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Live Fly Fishing Conditions

Current Hatch Conditions

Real-time hatch status across 557 rivers in 40 states. Based on live USGS water temperature and seasonal timing.

162 active18 imminent590 approaching
Active Now(162)
Au Sable RiverMICaddis
Water: 60°FFlow: 2,850 cfs floodPeak conditions
Pine RiverMIBlue-Winged Olive (BWO)
Water: 58°FFlow: 393 cfs highPeak conditions
Pine RiverMIHendrickson
Water: 58°FFlow: 393 cfs highPeak conditions
Pine RiverMICaddis
Water: 58°FFlow: 393 cfs highPeak conditions
Manistee RiverMICaddis
Water: 60°FFlow: 1,940 cfs highPeak conditions
Muskegon RiverMICaddis
Water: 59°FFlow: 2,560 cfs optimalPeak conditions
Snake River — Snake River CanyonWYBlue-Winged Olive
Water: 48°FFlow: 7,330 cfs optimalPeak conditions
Green River — Flaming GorgeWYMidge
Water: 56°FFlow: 905 cfs optimalPeak conditions
Green River — Flaming GorgeWYBlue-Winged Olive
Water: 56°FFlow: 905 cfs optimalPeak conditions
Green River — Flaming GorgeWYCaddis
Water: 56°FFlow: 905 cfs optimalPeak conditions
Rogue RiverORCaddis
Water: 60°FFlow: 2,170 cfs optimalPeak conditions
Deschutes RiverORBlue-Winged Olive
Water: 57°FFlow: 3,790 cfs optimalPeak conditions
Deschutes RiverORCaddis (Mother's Day Caddis)
Water: 57°FFlow: 3,790 cfs optimalPeak conditions
Enormous emergence — the signature Deschutes hatch
McKenzie RiverORBlue-Winged Olive
Water: 57°FFlow: 2,560 cfs optimalPeak conditions
McKenzie RiverORCaddis
Water: 57°FFlow: 2,560 cfs optimalPeak conditions
Wenatchee RiverWACaddis
Water: 53°FFlow: 3,990 cfs optimalPeak conditions
Tuolumne RiverCABlue-Winged Olive
Water: 50°FFlow: 967 cfs optimalPeak conditions
Tuolumne RiverCACaddis
Water: 50°FFlow: 967 cfs optimalPeak conditions
Trinity RiverCACaddis
Water: 63°FFlow: 2,260 cfs optimalPeak conditions
Merced RiverCABlue-Winged Olive
Water: 52°FFlow: 612 cfs optimalPeak conditions
Merced RiverCACaddis
Water: 52°FFlow: 612 cfs optimalPeak conditions
Colorado River — Grand CanyonAZMidge
Water: 55°FFlow: 8,450 cfs optimalPeak conditions
Dominant food source at Lees Ferry — size 18–24
Colorado River — Grand CanyonAZScud/Amphipod
Water: 55°FFlow: 8,450 cfs optimalPeak conditions
Not a hatch but a critical subsurface food source below the dam
Colorado River — Grand CanyonAZCaddis
Water: 55°FFlow: 8,450 cfs optimalPeak conditions
San Juan RiverUTMidge
Water: 68°FFlow: 1,000 cfs optimalPeak conditions
The San Juan is a midge factory — size 22–28. This is THE pattern to master here
Au Sable South BranchMICaddis
Water: 64°FFlow: 392 cfs optimalPeak conditions
Little Muskegon RiverMICaddis
Water: 65°FFlow: 238 cfs optimalPeak conditions
Esopus CreekNYCaddis
Water: 59°FFlow: 965 cfs optimalPeak conditions
Blue RiverCOMidge
Water: 44°FFlow: 85 cfs lowPeak conditions
Roaring Fork RiverCOBlue-Winged Olive
Water: 52°FFlow: 965 cfs lowPeak conditions
Roaring Fork RiverCOCaddis
Water: 52°FFlow: 965 cfs lowPeak conditions
Clark ForkMTBlue-Winged Olive
Water: 49°FFlow: 6,000 cfs optimalPeak conditions
Missouri River — Upper Missouri BreaksMTMidge
Water: 51°FFlow: 4,840 cfs lowPeak conditions
Missouri River — Upper Missouri BreaksMTBlue-Winged Olive
Water: 51°FFlow: 4,840 cfs lowPeak conditions
Missouri River — Upper Missouri BreaksMTCaddis
Water: 51°FFlow: 4,840 cfs lowPeak conditions
Yellowstone RiverMTBlue-Winged Olive
Water: 47°FFlow: 6,020 cfs optimalPeak conditions
Madison RiverMTBlue-Winged Olive
Water: 53°FFlow: 1,230 cfs optimalPeak conditions
Madison RiverMTCaddis
Water: 53°FFlow: 1,230 cfs optimalPeak conditions
American River — South ForkCACaddis
Water: 56°FFlow: 2,460 cfs optimalPeak conditions
American River — South ForkCAStonefly
Water: 56°FFlow: 2,460 cfs optimalPeak conditions
Stanislaus RiverCABlue-Winged Olive
Water: 55°FPeak conditions
Stanislaus RiverCACaddis
Water: 55°FPeak conditions
Walker RiverNVCaddis
Water: 65°FFlow: 135 cfs optimalPeak conditions
Provo RiverUTBlue-Winged Olive
Water: 55°FFlow: 190 cfs lowPeak conditions
Provo RiverUTCaddis
Water: 55°FFlow: 190 cfs lowPeak conditions
Hoback RiverWYBlue-Winged Olive
Water: 49°FFlow: 958 cfs optimalPeak conditions
Shoshone RiverWYBlue-Winged Olive
Water: 58°FFlow: 417 cfs lowPeak conditions
Shoshone RiverWYCaddis
Water: 58°FFlow: 417 cfs lowPeak conditions
Oak CreekAZCaddis
Water: 62°FFlow: 27.4 cfs lowPeak conditions
Colorado River — Glenwood CanyonCOBlue-Winged Olive
Water: 52°FFlow: 965 cfs lowPeak conditions
Colorado River — Glenwood CanyonCOCaddis
Water: 52°FFlow: 965 cfs lowPeak conditions
Colorado River — Glenwood CanyonCOStonefly
Water: 52°FFlow: 965 cfs lowPeak conditions
Dismal RiverNECaddis
Water: 60°FFlow: 262 cfs optimalPeak conditions
Niobrara RiverNECaddis
Water: 61°FFlow: 798 cfs optimalPeak conditions
Sandy RiverORCaddis
Water: 53°FFlow: 1,500 cfs optimalPeak conditions
Sandy RiverORStonefly
Water: 53°FFlow: 1,500 cfs optimalPeak conditions
Sandy RiverORBlue-Winged Olive
Water: 53°FFlow: 1,500 cfs optimalPeak conditions
Saluda RiverSCCaddis
Water: 62°FFlow: 840 cfs optimalPeak conditions
Green River — Lodore CanyonCOBlue-Winged Olive (BWO)
Water: 50°FFlow: 1,680 cfs optimalPeak conditions
Green River — Lodore CanyonCOCaddis
Water: 50°FFlow: 1,680 cfs optimalPeak conditions
Colorado River — Glenwood CanyonCOBlue-Winged Olive (BWO)
Water: 52°FFlow: 965 cfs lowPeak conditions
Colorado River — Glenwood CanyonCOCaddis
Water: 52°FFlow: 965 cfs lowPeak conditions
Mother’s Day caddis is a major hatch
Taylor RiverCOMidges
Water: 52°FFlow: 253 cfs lowPeak conditions
Tailwater stays cold and midges hatch all winter
Taylor RiverCOBlue-Winged Olive (BWO)
Water: 52°FFlow: 253 cfs lowPeak conditions
Gunnison River — MainCOMidges
Water: 62°FFlow: 747 cfs lowPeak conditions
Cold tailwater fishes year-round in the canyon
Gunnison River — MainCOCaddis
Water: 62°FFlow: 747 cfs lowPeak conditions
Colorado River — UpperCOBlue-Winged Olive (BWO)
Water: 52°FFlow: 324 cfs lowPeak conditions
Colorado River — UpperCOCaddis
Water: 52°FFlow: 324 cfs lowPeak conditions
Strong Mother’s Day caddis hatch on the Upper Colorado
North Branch PotomacWVBlue-Winged Olive (BWO)
Water: 57°FFlow: 244 cfs lowPeak conditions
North Branch PotomacWVCaddis
Water: 57°FFlow: 244 cfs lowPeak conditions
North Branch PotomacWVSulfur
Water: 57°FFlow: 244 cfs lowPeak conditions
Excellent evening sulfur hatch on the tailwater
Truckee RiverCAMidges
Water: 53°FFlow: 1,190 cfs optimalPeak conditions
Truckee RiverCABlue-Winged Olive (BWO)
Water: 53°FFlow: 1,190 cfs optimalPeak conditions
Truckee RiverCACaddis
Water: 53°FFlow: 1,190 cfs optimalPeak conditions
Willowemoc CreekNYSulfur
Water: 64°FFlow: 116 cfs optimalPeak conditions
Neversink RiverNYSulfur
Water: 61°FFlow: 126 cfs optimalPeak conditions
Au Sable RiverMIHendrickson Mayfly
Water: 60°FFlow: 2,850 cfs floodActive
Au Sable RiverMIMarch Brown / Grey Drake
Water: 60°FFlow: 2,850 cfs floodActive
Manistee RiverMIHendrickson
Water: 60°FFlow: 1,940 cfs highActive
Muskegon RiverMIBlue-Winged Olive (BWO)
Water: 59°FFlow: 2,560 cfs optimalActive
Rogue RiverORSalmonfly
Water: 60°FFlow: 2,170 cfs optimalActive
Trinity RiverCAStonefly
Water: 63°FFlow: 2,260 cfs optimalActive
San Juan RiverUTBlue-Winged Olive
Water: 68°FFlow: 1,000 cfs optimalActive
Reliable hatches — fish key on emergers
Youghiogheny RiverPAHendrickson
Water: 69°FFlow: 190 cfs lowActive
Youghiogheny RiverPACaddis
Water: 69°FFlow: 190 cfs lowActive
Pine CreekPABlue-Winged Olive
Water: 70°FFlow: 1,210 cfs optimalActive
Pine CreekPAHendrickson
Water: 70°FFlow: 1,210 cfs optimalActive
Pine CreekPAMarch Brown
Water: 70°FFlow: 1,210 cfs optimalActive
Pine CreekPASulfur
Water: 70°FFlow: 1,210 cfs optimalActive
Chattahoochee River — Metro AtlantaGACaddis
Water: 74°FFlow: 928 cfs optimalActive
Chattahoochee River — Metro AtlantaGASulfur
Water: 74°FFlow: 928 cfs optimalActive
Chattahoochee River — Metro AtlantaGAMidge
Water: 74°FFlow: 928 cfs optimalActive
Primary food source in tailwater
Delaware River — Delaware Water GapNJHendrickson
Water: 72°FFlow: 5,020 cfs optimalActive
Delaware River — Delaware Water GapNJCaddis
Water: 72°FFlow: 5,020 cfs optimalActive
Delaware River — Delaware Water GapNJSulfur
Water: 72°FFlow: 5,020 cfs optimalActive
Au Sable South BranchMIBlue-Winged Olive (BWO)
Water: 64°FFlow: 392 cfs optimalActive
Au Sable South BranchMIHendrickson
Water: 64°FFlow: 392 cfs optimalActive
Little Muskegon RiverMIBlue-Winged Olive (BWO)
Water: 65°FFlow: 238 cfs optimalActive
Potomac River — South BranchVABlue-Winged Olive (BWO)
Water: 80°FFlow: 249 cfs lowActive
Potomac River — South BranchVACaddis
Water: 80°FFlow: 249 cfs lowActive
Delaware River — UpperNYBlue-Winged Olive (BWO)
Water: 69°FFlow: 3,220 cfs optimalActive
Delaware River — UpperNYHendrickson
Water: 69°FFlow: 3,220 cfs optimalActive
Delaware River — UpperNYCaddis
Water: 69°FFlow: 3,220 cfs optimalActive
Delaware River — UpperNYMarch Brown
Water: 69°FFlow: 3,220 cfs optimalActive
Esopus CreekNYBlue-Winged Olive (BWO)
Water: 59°FFlow: 965 cfs optimalActive
Esopus CreekNYHendrickson
Water: 59°FFlow: 965 cfs optimalActive
Esopus CreekNYMarch Brown
Water: 59°FFlow: 965 cfs optimalActive
Beaverkill RiverNYBlue-Winged Olive (BWO)
Water: 67°FFlow: 515 cfs highActive
Beaverkill RiverNYHendrickson
Water: 67°FFlow: 515 cfs highActive
Beaverkill RiverNYCaddis
Water: 67°FFlow: 515 cfs highActive
Beaverkill RiverNYMarch Brown
Water: 67°FFlow: 515 cfs highActive
Dolores RiverUTBlue-Winged Olive
Water: 67°FFlow: 213 cfs lowActive
Dolores RiverUTCaddis
Water: 67°FFlow: 213 cfs lowActive
John Day RiverORCaddis
Water: 69°FFlow: 1,120 cfs optimalActive
Walker RiverNVBlue-Winged Olive
Water: 65°FFlow: 135 cfs optimalActive
Oak CreekAZBlue-Winged Olive
Water: 62°FFlow: 27.4 cfs lowActive
Sipsey ForkALCaddis
Water: 75°FFlow: 18.2 cfs lowActive
Sipsey ForkALSulfur
Water: 75°FFlow: 18.2 cfs lowActive
Red Clay CreekDEBlue-Winged Olive
Water: 76°FFlow: 23.1 cfs lowActive
Red Clay CreekDECaddis
Water: 76°FFlow: 23.1 cfs lowActive
Red Clay CreekDESulfur
Water: 76°FFlow: 23.1 cfs lowActive
White Clay CreekDEBlue-Winged Olive
Water: 79°FFlow: 36.3 cfs lowActive
White Clay CreekDECaddis
Water: 79°FFlow: 36.3 cfs lowActive
White Clay CreekDESulfur
Water: 79°FFlow: 36.3 cfs lowActive
Turkey RiverIABlue-Winged Olive
Water: 66°FFlow: 1,810 cfs highActive
Turkey RiverIACaddis
Water: 66°FFlow: 1,810 cfs highActive
Turkey RiverIASulfur
Water: 66°FFlow: 1,810 cfs highActive
Savage RiverMDBlue-Winged Olive
Water: 66°FFlow: 15 cfs lowActive
Savage RiverMDCaddis
Water: 66°FFlow: 15 cfs lowActive
Savage RiverMDSulfur
Water: 66°FFlow: 15 cfs lowActive
Dismal RiverNEBlue-Winged Olive
Water: 60°FFlow: 262 cfs optimalActive
Niobrara RiverNEBlue-Winged Olive
Water: 61°FFlow: 798 cfs optimalActive
Lower Mountain ForkOKCaddis
Water: 67°FFlow: 873 cfs optimalActive
Jackson RiverVABlue-Winged Olive
Water: 66°FActive
Jackson RiverVACaddis
Water: 66°FActive
Jackson RiverVASulfur
Water: 66°FActive
Jackson RiverVAMarch Brown
Water: 66°FActive
Cranberry RiverWVBlue-Winged Olive
Water: 69°FFlow: 39 cfs lowActive
Cranberry RiverWVCaddis
Water: 69°FFlow: 39 cfs lowActive
Cranberry RiverWVSulfur
Water: 69°FFlow: 39 cfs lowActive
Taylor RiverCOMysis Shrimp
Water: 52°FFlow: 253 cfs lowActive
Mysis flushed from the reservoir feed trophy fish in the Hog Trough
Fryingpan RiverCOMysis Shrimp
Flow: 110 cfs lowActive
Hallmark of the Frying Pan — flushed from Ruedi, fuels trophy rainbows
Gunnison River — MainCOBlue-Winged Olive (BWO)
Water: 62°FFlow: 747 cfs lowActive
Lackawaxen RiverPABlue-Winged Olive (BWO)
Water: 71°FFlow: 449 cfs optimalActive
Lackawaxen RiverPAHendrickson Mayfly
Water: 71°FFlow: 449 cfs optimalActive
Lackawaxen RiverPACaddis
Water: 71°FFlow: 449 cfs optimalActive
Lackawaxen RiverPASulfur
Water: 71°FFlow: 449 cfs optimalActive
Lackawaxen RiverPASlate Drake (Isonychia)
Water: 71°FFlow: 449 cfs optimalActive
Davidson RiverNCBlue-Winged Olive (BWO)
Water: 71°FFlow: 33.6 cfs lowActive
Davidson RiverNCCaddis
Water: 71°FFlow: 33.6 cfs lowActive
Davidson RiverNCSulfur
Water: 71°FFlow: 33.6 cfs lowActive
Davidson RiverNCYellow Sally
Water: 71°FFlow: 33.6 cfs lowActive
Chattooga River — MainSCYellow Sally
Flow: 207 cfs lowActive
Jackson River — Lake Moomaw TailwaterVABlue-Winged Olive
Water: 66°FActive
Jackson River — Lake Moomaw TailwaterVASulfur
Water: 66°FActive
Jackson River — Lake Moomaw TailwaterVACaddis
Water: 66°FActive
West Branch Ausable RiverNYBlue Quill
Flow: 1,030 cfs highActive
Willowemoc CreekNYHendrickson
Water: 64°FFlow: 116 cfs optimalActive
The Catskill Hendrickson — one of the most famous hatches in American fly fishing
Willowemoc CreekNYMarch Brown
Water: 64°FFlow: 116 cfs optimalActive
Neversink RiverNYHendrickson
Water: 61°FFlow: 126 cfs optimalActive
Neversink RiverNYBlue-Winged Olive
Water: 61°FFlow: 126 cfs optimalActive
Neversink RiverNYMarch Brown
Water: 61°FFlow: 126 cfs optimalActive
Imminent (within 7 days)(18)
Au Sable RiverMIBrown Drake
Water: 60°FFlow: 2,850 cfs flood2 days until peak
Au Sable RiverMISulfur
Water: 60°FFlow: 2,850 cfs flood2 days until peak
Pine RiverMISulfur
Water: 58°FFlow: 393 cfs high2 days until peak
Manistee RiverMIBrown Drake
Water: 60°FFlow: 1,940 cfs high2 days until peak
Deschutes RiverORSalmonfly
Water: 57°FFlow: 3,790 cfs optimal2 days until peak
Iconic hatch — fish eat big dries aggressively
McKenzie RiverORGreen Drake
Water: 57°FFlow: 2,560 cfs optimal2 days until peak
Youghiogheny RiverPASulfur
Water: 69°FFlow: 190 cfs low2 days until peak
Pine CreekPAGreen Drake
Water: 70°FFlow: 1,210 cfs optimal2 days until peak
Delaware River — Delaware Water GapNJGreen Drake
Water: 72°FFlow: 5,020 cfs optimal2 days until peak
Potomac River — South BranchVASulfur
Water: 80°FFlow: 249 cfs low2 days until peak
Potomac River — South BranchVAGreen Drake
Water: 80°FFlow: 249 cfs low2 days until peak
Delaware River — UpperNYGreen Drake
Water: 69°FFlow: 3,220 cfs optimal2 days until peak
Delaware River — UpperNYSulfur
Water: 69°FFlow: 3,220 cfs optimal2 days until peak
Beaverkill RiverNYGreen Drake
Water: 67°FFlow: 515 cfs high2 days until peak
Beaverkill RiverNYSulfur
Water: 67°FFlow: 515 cfs high2 days until peak
Gunnison River — MainCOSalmonfly
Water: 62°FFlow: 747 cfs low2 days until peak
Famous Gunnison salmonfly hatch — trophy fish window
Willowemoc CreekNYGreen Drake
Water: 64°FFlow: 116 cfs optimal2 days until peak
Neversink RiverNYGreen Drake
Water: 61°FFlow: 126 cfs optimal2 days until peak
Approaching (within 30 days)(590)
Arkansas RiverCOMidge
Flow: 337 cfs low
Arkansas RiverCOBlue-Winged Olive (BWO)
Flow: 337 cfs low
Prolific spring and fall hatches
Arkansas RiverCOCaddis (Mother's Day Caddis)
Flow: 337 cfs low
Massive emergence in May
Gallatin RiverMTBlue-Winged Olive
Flow: 1,230 cfs optimal
Gallatin RiverMTCaddis (Mother's Day)
Flow: 1,230 cfs optimal
Blackfoot RiverMTCaddis
Water: 47°F (need 50°F)Flow: 3,960 cfs optimal
Nantahala RiverNCCaddis
Flow: 93.7 cfs low
Nantahala RiverNCLight Cahill
Flow: 93.7 cfs low
Deerfield RiverMABlue-Winged Olive
Flow: 609 cfs optimal
Deerfield RiverMAHendrickson
Flow: 609 cfs optimal
Deerfield RiverMACaddis
Flow: 609 cfs optimal
Deerfield RiverMASulfur
Flow: 609 cfs optimal
Saco RiverNHQuill Gordon / Hendrickson
Flow: 1,700 cfs optimal
Saco RiverNHCaddis
Flow: 1,700 cfs optimal
Pere Marquette RiverMIBlue-Winged Olive (BWO)
Flow: 808 cfs optimal
Pere Marquette RiverMIHendrickson
Flow: 808 cfs optimal
Pere Marquette RiverMICaddis
Flow: 808 cfs optimal
Boardman RiverMIBlue-Winged Olive (BWO)
Boardman RiverMIHendrickson
Boardman RiverMICaddis
Jordan RiverMIBlue-Winged Olive (BWO)
Flow: 285 cfs optimal
Jordan RiverMIHendrickson
Flow: 285 cfs optimal
Jordan RiverMICaddis
Flow: 285 cfs optimal
Betsie RiverMICaddis
Two Hearted RiverMIBlue-Winged Olive (BWO)
Two Hearted RiverMICaddis
Lochsa RiverIDCaddis
Flow: 5,620 cfs high
Flathead River — Middle ForkMTCaddis
Flow: 6,100 cfs optimal
Stillwater RiverMTBlue-Winged Olive
Stillwater RiverMTCaddis
Snake River — Snake River CanyonWYCaddis
Water: 48°F (need 50°F)Flow: 7,330 cfs optimal
North Platte River — Northgate CanyonWYMidge
Flow: 842 cfs optimal
The bread-and-butter pattern on the Miracle Mile
North Platte River — Northgate CanyonWYBlue-Winged Olive
Flow: 842 cfs optimal
North Platte River — Northgate CanyonWYCaddis
Flow: 842 cfs optimal
Cache la PoudreCOBlue-Winged Olive
Flow: 166 cfs low
Cache la PoudreCOCaddis
Flow: 166 cfs low
Mother's Day Caddis kicks off the season
North Umpqua RiverORCaddis
Skagit RiverWACaddis
Water: 46°F (need 50°F)Flow: 3,970 cfs low
Kern RiverCACaddis
Flow: 101 cfs low
Truckee RiverNVBlue-Winged Olive
Flow: 998 cfs optimal
Truckee RiverNVCaddis
Flow: 998 cfs optimal
Rio Grande — Taos BoxNMBlue-Winged Olive
Flow: 216 cfs low
Rio Grande — Taos BoxNMCaddis
Flow: 216 cfs low
Rio ChamaNMBlue-Winged Olive
Flow: 136 cfs low
Rio ChamaNMCaddis
Flow: 136 cfs low
Gila RiverNMCaddis
Flow: 21.4 cfs low
Gila RiverNMStonefly
Flow: 21.4 cfs low
Lehigh RiverPAHendrickson
Flow: 1,140 cfs optimal
Lehigh RiverPACaddis
Flow: 1,140 cfs optimal
Nolichucky RiverTNCaddis
Flow: 654 cfs optimal
Nolichucky RiverTNSulfur
Flow: 654 cfs optimal
Hiwassee RiverTNSulfur
Hiwassee RiverTNCaddis
Chattooga RiverNCBlue-Winged Olive
Flow: 207 cfs low
Chattooga RiverNCCaddis
Flow: 207 cfs low
Chattooga RiverNCLight Cahill
Flow: 207 cfs low
Toccoa RiverGACaddis
Toccoa RiverGASulfur
Toccoa RiverGAMidge
Penobscot River — West BranchMECaddis
xxxx
Flow: 2,610 cfs optimal
Kennebec River — The ForksMECaddis
Flow: 377 cfs optimal
Hudson River GorgeNYCaddis
Flow: 1,440 cfs low
West RiverVTBlue-Winged Olive
Flow: 224 cfs low
West RiverVTHendrickson
Flow: 224 cfs low
West RiverVTCaddis
Flow: 224 cfs low
West RiverVTSulfur
Flow: 224 cfs low
Housatonic RiverCTHendrickson
Flow: 542 cfs optimal
Housatonic RiverCTCaddis
Flow: 542 cfs optimal
Housatonic RiverCTMarch Brown
Flow: 542 cfs optimal
Housatonic RiverCTSulfur
Flow: 542 cfs optimal
Farmington RiverCTHendrickson
Flow: 441 cfs optimal
Farmington RiverCTCaddis
Flow: 441 cfs optimal
Farmington RiverCTMarch Brown
Flow: 441 cfs optimal
Current RiverMOCaddis
Flow: 1,200 cfs optimal
Current RiverMOSulfur
Flow: 1,200 cfs optimal
Black River (Cheboygan)MIBlue-Winged Olive (BWO)
Black River (Cheboygan)MICaddis
Chippewa RiverMIBlue-Winged Olive (BWO)
Flow: 283 cfs optimal
Chippewa RiverMICaddis
Flow: 283 cfs optimal
Crystal River (Glen Arbor)MIBlue-Winged Olive (BWO)
Crystal River (Glen Arbor)MICaddis
Dowagiac RiverMIBlue-Winged Olive (BWO)
Flow: 362 cfs optimal
Dowagiac RiverMICaddis
Flow: 362 cfs optimal
Kalamazoo RiverMIBlue-Winged Olive (BWO)
Flow: 1,020 cfs optimal
Kalamazoo RiverMICaddis
Flow: 1,020 cfs optimal
Little Manistee RiverMIBlue-Winged Olive (BWO)
Little Manistee RiverMICaddis
Ocqueoc RiverMIBlue-Winged Olive (BWO)
Ocqueoc RiverMICaddis
Pigeon RiverMIBlue-Winged Olive (BWO)
Flow: 451 cfs high
Pigeon RiverMICaddis
Flow: 451 cfs high
Sturgeon RiverMIBlue-Winged Olive (BWO)
Flow: 609 cfs high
Sturgeon RiverMIHendrickson
Flow: 609 cfs high
Sturgeon RiverMICaddis
Flow: 609 cfs high
White RiverMIBlue-Winged Olive (BWO)
Flow: 487 cfs optimal
White RiverMICaddis
Flow: 487 cfs optimal
Big Manistee Lake BranchMIBlue-Winged Olive (BWO)
Big Manistee Lake BranchMICaddis
Maple RiverMIBlue-Winged Olive (BWO)
Maple RiverMICaddis
Greenbrier RiverWVBlue-Winged Olive (BWO)
Flow: 560 cfs optimal
Greenbrier RiverWVCaddis
Flow: 560 cfs optimal
Greenbrier RiverWVMarch Brown
Flow: 560 cfs optimal
Delaware River — UpperPABlue-Winged Olive (BWO)
Delaware River — UpperPAHendrickson
Delaware River — UpperPACaddis
Loyalsock CreekPABlue-Winged Olive (BWO)
Loyalsock CreekPACaddis
Loyalsock CreekPAMarch Brown
Moose RiverNYBlue-Winged Olive (BWO)
Moose RiverNYCaddis
Sacandaga RiverNYBlue-Winged Olive (BWO)
Flow: 613 cfs optimal
Sacandaga RiverNYCaddis
Flow: 613 cfs optimal
Sacandaga RiverNYMarch Brown
Flow: 613 cfs optimal
Blue RiverCOBlue-Winged Olive (BWO)
Water: 44°F (need 45°F)Flow: 85 cfs low
Blue RiverCOCaddis
Water: 44°F (need 50°F)Flow: 85 cfs low
Eagle RiverCOBlue-Winged Olive
Flow: 463 cfs optimal
Eagle RiverCOCaddis
Flow: 463 cfs optimal
Crystal RiverCOBlue-Winged Olive
Flow: 452 cfs optimal
Crystal RiverCOCaddis
Flow: 452 cfs optimal
Big Hole RiverMTBlue-Winged Olive
Flow: 1,110 cfs optimal
Clark ForkMTCaddis
Water: 49°F (need 50°F)Flow: 6,000 cfs optimal
Yellowstone RiverMTCaddis
Water: 47°F (need 50°F)Flow: 6,020 cfs optimal
Henry's ForkIDBlue-Winged Olive
Flow: 1,140 cfs optimal
Priest RiverIDCaddis
Flow: 2,370 cfs optimal
South Fork Boise RiverIDBlue-Winged Olive
South Fork Boise RiverIDCaddis
Tieton RiverWABlue-Winged Olive
Tieton RiverWACaddis
Sacramento RiverCABlue-Winged Olive
Flow: 10,800 cfs optimal
Sacramento RiverCACaddis
Flow: 10,800 cfs optimal
Yuba RiverCABlue-Winged Olive
Flow: 1,240 cfs optimal
Yuba RiverCACaddis
Flow: 1,240 cfs optimal
Yuba RiverCAStonefly
Flow: 1,240 cfs optimal
Mokelumne RiverCABlue-Winged Olive
Mokelumne RiverCACaddis
East Walker RiverNVBlue-Winged Olive
Flow: 167 cfs high
East Walker RiverNVCaddis
Flow: 167 cfs high
Carson River — East ForkNVBlue-Winged Olive
Flow: 500 cfs optimal
Carson River — East ForkNVCaddis
Flow: 500 cfs optimal
Logan RiverUTBlue-Winged Olive
Flow: 311 cfs optimal
Logan RiverUTCaddis
Flow: 311 cfs optimal
Weber RiverUTBlue-Winged Olive
Flow: 344 cfs optimal
Weber RiverUTCaddis
Flow: 344 cfs optimal
Clarks Fork YellowstoneWYBlue-Winged Olive
Flow: 1,670 cfs optimal
Clarks Fork YellowstoneWYCaddis
Flow: 1,670 cfs optimal
Greys RiverWYBlue-Winged Olive
Flow: 1,040 cfs optimal
Greys RiverWYCaddis
Flow: 1,040 cfs optimal
Hoback RiverWYCaddis
Water: 49°F (need 50°F)Flow: 958 cfs optimal
Wind RiverWYBlue-Winged Olive
Flow: 202 cfs low
Wind RiverWYCaddis
Flow: 202 cfs low
Canadian RiverNMBlue-Winged Olive
Flow: 4.81 cfs low
Canadian RiverNMCaddis
Flow: 4.81 cfs low
Jemez RiverNMBlue-Winged Olive
Flow: 10.6 cfs low
Jemez RiverNMCaddis
Flow: 10.6 cfs low
Pecos RiverNMBlue-Winged Olive
Flow: 9.35 cfs low
Pecos RiverNMCaddis
Flow: 9.35 cfs low
Red RiverNMBlue-Winged Olive
Flow: 36.3 cfs low
Red RiverNMCaddis
Flow: 36.3 cfs low
Black RiverAZBlue-Winged Olive
Flow: 24 cfs low
Black RiverAZCaddis
Flow: 24 cfs low
Bantam RiverCTBlue-Winged Olive
Bantam RiverCTHendrickson
Bantam RiverCTCaddis
Natchaug RiverCTBlue-Winged Olive
Flow: 233 cfs optimal
Natchaug RiverCTHendrickson
Flow: 233 cfs optimal
Natchaug RiverCTCaddis
Flow: 233 cfs optimal
Quinnipiac RiverCTBlue-Winged Olive
Flow: 91.1 cfs low
Quinnipiac RiverCTCaddis
Flow: 91.1 cfs low
Salmon RiverCTBlue-Winged Olive
xxxx
Flow: 82.2 cfs low
Salmon RiverCTHendrickson
xxxx
Flow: 82.2 cfs low
Salmon RiverCTCaddis
xxxx
Flow: 82.2 cfs low
Salmon RiverCTSulfur
xxxx
Flow: 82.2 cfs low
Shepaug RiverCTBlue-Winged Olive
Flow: 23.5 cfs low
Shepaug RiverCTHendrickson
Flow: 23.5 cfs low
Shepaug RiverCTCaddis
Flow: 23.5 cfs low
Brandywine CreekDEBlue-Winged Olive
Flow: 170 cfs low
Brandywine CreekDECaddis
Flow: 170 cfs low
Brandywine CreekDESulfur
Flow: 170 cfs low
Amicalola CreekGACaddis
Flow: 80.9 cfs low
Coosawattee RiverGACaddis
Flow: 726 cfs optimal
Blue RiverINBlue-Winged Olive
Flow: 15,800 cfs flood
Blue RiverINSulfur
Flow: 15,800 cfs flood
Blue RiverINCaddis
Flow: 15,800 cfs flood
Upper Iowa RiverIABlue-Winged Olive
Flow: 731 cfs optimal
Upper Iowa RiverIACaddis
Flow: 731 cfs optimal
Upper Iowa RiverIAHendrickson
Flow: 731 cfs optimal
Volga RiverIABlue-Winged Olive
Flow: 593 cfs optimal
Volga RiverIACaddis
Flow: 593 cfs optimal
Yellow River State ForestIABlue-Winged Olive
Flow: 356 cfs optimal
Yellow River State ForestIACaddis
Flow: 356 cfs optimal
Allagash Wilderness WaterwayMEBlue-Winged Olive
Allagash Wilderness WaterwayMECaddis
Dead RiverMEBlue-Winged Olive
Dead RiverMECaddis
Machias RiverMECaddis
xxxx
Rapid RiverMEBlue-Winged Olive
Rapid RiverMECaddis
Seboeis RiverMEBlue-Winged Olive
Flow: 377 cfs optimal
Seboeis RiverMECaddis
Flow: 377 cfs optimal
Antietam CreekMDBlue-Winged Olive
Flow: 122 cfs optimal
Antietam CreekMDCaddis
Flow: 122 cfs optimal
Antietam CreekMDSulfur
Flow: 122 cfs optimal
Gunpowder FallsMDBlue-Winged Olive
Flow: 76.9 cfs optimal
Gunpowder FallsMDHendrickson
Flow: 76.9 cfs optimal
Gunpowder FallsMDCaddis
Flow: 76.9 cfs optimal
Gunpowder FallsMDSulfur
Flow: 76.9 cfs optimal
Youghiogheny River — Maryland SectionMDBlue-Winged Olive
Flow: 71.4 cfs low
Youghiogheny River — Maryland SectionMDCaddis
Flow: 71.4 cfs low
Youghiogheny River — Maryland SectionMDSulfur
Flow: 71.4 cfs low
Westfield RiverMABlue-Winged Olive
Flow: 367 cfs optimal
Westfield RiverMAHendrickson
Flow: 367 cfs optimal
Westfield RiverMACaddis
Flow: 367 cfs optimal
Cannon RiverMNBlue-Winged Olive
Flow: 512 cfs optimal
Cannon RiverMNCaddis
Flow: 512 cfs optimal
Root RiverMNBlue-Winged Olive
Flow: 931 cfs optimal
Root RiverMNCaddis
Flow: 931 cfs optimal
Root RiverMNHendrickson
Flow: 931 cfs optimal
Eleven Point RiverMOBlue-Winged Olive
Flow: 473 cfs optimal
Eleven Point RiverMOCaddis
Flow: 473 cfs optimal
Eleven Point RiverMOSulfur
Flow: 473 cfs optimal
North Fork White RiverMOBlue-Winged Olive
Flow: 506 cfs optimal
North Fork White RiverMOCaddis
Flow: 506 cfs optimal
North Fork White RiverMOSulfur
Flow: 506 cfs optimal
Calamus RiverNEBlue-Winged Olive
Calamus RiverNECaddis
Middle Loup RiverNEBlue-Winged Olive
Flow: 488 cfs optimal
Middle Loup RiverNECaddis
Flow: 488 cfs optimal
Androscoggin RiverNHBlue-Winged Olive
Flow: 2,670 cfs optimal
Androscoggin RiverNHHendrickson
Flow: 2,670 cfs optimal
Androscoggin RiverNHCaddis
Flow: 2,670 cfs optimal
Connecticut RiverNHBlue-Winged Olive
Flow: 6,540 cfs optimal
Connecticut RiverNHHendrickson
Flow: 6,540 cfs optimal
Connecticut RiverNHCaddis
Flow: 6,540 cfs optimal
Contoocook RiverNHBlue-Winged Olive
Flow: 871 cfs optimal
Contoocook RiverNHCaddis
Flow: 871 cfs optimal
Ellis RiverNHBlue-Winged Olive
Ellis RiverNHCaddis
Pemigewasset RiverNHBlue-Winged Olive
Flow: 2,170 cfs high
Pemigewasset RiverNHHendrickson
Flow: 2,170 cfs high
Pemigewasset RiverNHCaddis
Flow: 2,170 cfs high
Swift RiverNHBlue-Winged Olive
Swift RiverNHCaddis
Musconetcong RiverNJBlue-Winged Olive
Flow: 108 cfs optimal
Musconetcong RiverNJHendrickson
Flow: 108 cfs optimal
Musconetcong RiverNJCaddis
Flow: 108 cfs optimal
Musconetcong RiverNJSulfur
Flow: 108 cfs optimal
Paulins KillNJBlue-Winged Olive
Flow: 54 cfs low
Paulins KillNJHendrickson
Flow: 54 cfs low
Paulins KillNJCaddis
Flow: 54 cfs low
Raritan RiverNJCaddis
San Antonio CreekNMBlue-Winged Olive
San Antonio CreekNMCaddis
Green River NarrowsNCCaddis
Linville RiverNCCaddis
Flow: 18 cfs low
Linville RiverNCSulfur
Flow: 18 cfs low
Nolichucky River — NC SectionNCCaddis
Tuckasegee RiverNCCaddis
Flow: 521 cfs optimal
Tuckasegee RiverNCSulfur
Flow: 521 cfs optimal
Watauga RiverNCCaddis
Flow: 36.7 cfs low
Watauga RiverNCSulfur
Flow: 36.7 cfs low
Chagrin RiverOHCaddis
Flow: 216 cfs optimal
Mad RiverOHBlue-Winged Olive
Flow: 141 cfs low
Mad RiverOHCaddis
Flow: 141 cfs low
Mad RiverOHSulfur
Flow: 141 cfs low
Blue RiverOKCaddis
Flow: 84.7 cfs low
Chipuxet RiverRIBlue-Winged Olive
Flow: 9.22 cfs low
Chipuxet RiverRICaddis
Flow: 9.22 cfs low
Hunt RiverRIBlue-Winged Olive
Hunt RiverRICaddis
Wood RiverRIBlue-Winged Olive
Flow: 36.9 cfs low
Wood RiverRIHendrickson
Flow: 36.9 cfs low
Wood RiverRICaddis
Flow: 36.9 cfs low
Chattooga River — SC SectionSCCaddis
Flow: 207 cfs low
Rapid CreekSDBlue-Winged Olive
Flow: 86.6 cfs optimal
Rapid CreekSDCaddis
Flow: 86.6 cfs optimal
Spearfish CreekSDBlue-Winged Olive
Flow: 48.5 cfs low
Spearfish CreekSDCaddis
Flow: 48.5 cfs low
Spearfish CreekSDStonefly
Flow: 48.5 cfs low
Caney ForkTNCaddis
Flow: 801 cfs optimal
Caney ForkTNSulfur
Flow: 801 cfs optimal
BattenkillVTBlue-Winged Olive
BattenkillVTHendrickson
BattenkillVTCaddis
BattenkillVTMarch Brown
BattenkillVTSulfur
Lamoille RiverVTBlue-Winged Olive
Flow: 735 cfs optimal
Lamoille RiverVTCaddis
Flow: 735 cfs optimal
Lamoille RiverVTHendrickson
Flow: 735 cfs optimal
Mad RiverVTBlue-Winged Olive
Flow: 261 cfs optimal
Mad RiverVTHendrickson
Flow: 261 cfs optimal
Mad RiverVTCaddis
Flow: 261 cfs optimal
Missisquoi RiverVTBlue-Winged Olive
Flow: 1,710 cfs optimal
Missisquoi RiverVTCaddis
Flow: 1,710 cfs optimal
Otter CreekVTBlue-Winged Olive
Flow: 691 cfs optimal
Otter CreekVTCaddis
Flow: 691 cfs optimal
White RiverVTBlue-Winged Olive
Flow: 1,490 cfs optimal
White RiverVTHendrickson
Flow: 1,490 cfs optimal
White RiverVTCaddis
Flow: 1,490 cfs optimal
White RiverVTSulfur
Flow: 1,490 cfs optimal
Winooski RiverVTBlue-Winged Olive
Flow: 990 cfs optimal
Winooski RiverVTCaddis
Flow: 990 cfs optimal
Kickapoo RiverWIBlue-Winged Olive
Flow: 343 cfs optimal
Kickapoo RiverWIHendrickson
Flow: 343 cfs optimal
Kickapoo RiverWICaddis
Flow: 343 cfs optimal
Pine RiverWIBlue-Winged Olive
Pine RiverWICaddis
Fryingpan RiverCOMidges
Flow: 110 cfs low
Cold tailwater fishes year-round
Fryingpan RiverCOBlue-Winged Olive (BWO)
Flow: 110 cfs low
South Platte RiverCOMidges
Flow: 145 cfs low
South Platte RiverCOBlue-Winged Olive (BWO)
Flow: 145 cfs low
South Platte RiverCOCaddis
Flow: 145 cfs low
Cache la PoudreCOBlue-Winged Olive (BWO)
Cache la PoudreCOCaddis
Shavers ForkWVBlue-Winged Olive (BWO)
Flow: 103 cfs low
Shavers ForkWVHendrickson Mayfly
Flow: 103 cfs low
Shavers ForkWVCaddis
Flow: 103 cfs low
Shavers ForkWVSulfur
Flow: 103 cfs low
Williams RiverWVBlue-Winged Olive (BWO)
Flow: 69.9 cfs low
Williams RiverWVHendrickson Mayfly
Flow: 69.9 cfs low
Williams RiverWVCaddis
Flow: 69.9 cfs low
Williams RiverWVSulfur
Flow: 69.9 cfs low
Little Juniata RiverPABlue-Winged Olive (BWO)
Flow: 185 cfs optimal
Little Juniata RiverPAHendrickson Mayfly
Flow: 185 cfs optimal
Little Juniata RiverPACaddis
Flow: 185 cfs optimal
Grannom hatch in late April is famous
Little Juniata RiverPAMarch Brown
Flow: 185 cfs optimal
Kettle CreekPABlue-Winged Olive (BWO)
Flow: 323 cfs optimal
Kettle CreekPAHendrickson Mayfly
Flow: 323 cfs optimal
Kettle CreekPACaddis
Flow: 323 cfs optimal
Kettle CreekPAMarch Brown
Flow: 323 cfs optimal
Kettle CreekPASlate Drake (Isonychia)
Flow: 323 cfs optimal
Feather RiverCACaddis
Feather RiverCAPale Morning Dun (PMD)
Kings RiverCABlue-Winged Olive (BWO)
Kings RiverCACaddis
Pit RiverCAMidges
Pit RiverCABlue-Winged Olive (BWO)
Pit RiverCACaddis
Heavy caddis hatches are the Pit’s hallmark — fish nymphs deep
Upper NantahalaNCBlue-Winged Olive (BWO)
Flow: 93.7 cfs low
Upper NantahalaNCCaddis
Flow: 93.7 cfs low
Upper NantahalaNCSulfur
Flow: 93.7 cfs low
Chattooga River — MainSCBlue-Winged Olive (BWO)
Flow: 207 cfs low
Chattooga River — MainSCCaddis
Flow: 207 cfs low
Chattooga River — MainSCSulfur
Flow: 207 cfs low
Tellico RiverTNYellow Sally Stonefly
Flow: 90 cfs low
Tellico RiverTNSulfur
Flow: 90 cfs low
Holston River — South Holston TailwaterTNSulfur
The South Holston signature hatch — most consistent and predictable in the region
Holston River — South Holston TailwaterTNCaddis
Holston River — South Holston TailwaterTNMidges
Year-round midge fishing in the cold tailwater
Rapidan RiverVAHendrickson
Flow: 107 cfs low
Rapidan RiverVAMarch Brown
Flow: 107 cfs low
Rapidan RiverVASulfur
Flow: 107 cfs low
Rapidan RiverVAYellow Sally Stonefly
Flow: 107 cfs low
Penns CreekPABlue-Winged Olive
Flow: 238 cfs optimal
Penns CreekPAGrannom Caddis
Flow: 238 cfs optimal
Penns CreekPAMarch Brown
Flow: 238 cfs optimal
Penns CreekPASulfur
Flow: 238 cfs optimal
Spring CreekPABlue-Winged Olive
Flow: 79.6 cfs optimal
Spring CreekPASulfur
Flow: 79.6 cfs optimal
Spring CreekPACaddis
Flow: 79.6 cfs optimal
Spring CreekPAMidges
Flow: 79.6 cfs optimal
Cold spring water supports midges all year
Slate RunPABlue-Winged Olive
Flow: 829 cfs flood
Slate RunPAHendrickson
Flow: 829 cfs flood
Slate RunPAGrannom Caddis
Flow: 829 cfs flood
Slate RunPASulfur
Flow: 829 cfs flood
Brodhead CreekPABlue-Winged Olive
Flow: 238 cfs optimal
Brodhead CreekPAGrannom Caddis
Flow: 238 cfs optimal
Brodhead CreekPASulfur
Flow: 238 cfs optimal
Abrams CreekTNYellow Sally Stonefly
Citico CreekTNBlue-Winged Olive
Citico CreekTNYellow Sally Stonefly
Clinch River — Norris TailwaterTNBlue-Winged Olive
Clinch River — Norris TailwaterTNSulfur
Clinch River — Norris TailwaterTNCaddis
Clinch River — Norris TailwaterTNMidges
Critical year-round food source in the cold tailwater
Mossy CreekVABlue-Winged Olive
Mossy CreekVASulfur
Mossy CreekVACaddis
Mossy CreekVAMidges
Cold spring water supports midges all year
South River — WaynesboroVABlue-Winged Olive
Flow: 28.8 cfs low
South River — WaynesboroVASulfur
Flow: 28.8 cfs low
South River — WaynesboroVACaddis
Flow: 28.8 cfs low
Cumberland River — Wolf Creek TailwaterKYMidges
Flow: 167 cfs low
Primary food source in the cold tailwater
Cumberland River — Wolf Creek TailwaterKYBlue-Winged Olive
Flow: 167 cfs low
Cumberland River — Wolf Creek TailwaterKYSulfur
Flow: 167 cfs low
Cumberland River — Wolf Creek TailwaterKYCaddis
Flow: 167 cfs low
Hatchery CreekKYMidges
Hatchery CreekKYBlue-Winged Olive
Hatchery CreekKYCaddis
Hatchery CreekKYSulfur
Hazel CreekNCBlue-Winged Olive
Hazel CreekNCYellow Sally Stonefly
Wilson CreekNCBlue-Winged Olive
Wilson CreekNCYellow Sally Stonefly
South Toe RiverNCBlue-Winged Olive
Flow: 34 cfs low
South Toe RiverNCYellow Sally Stonefly
Flow: 34 cfs low
Seneca CreekWVBlue-Winged Olive
Seneca CreekWVHendrickson
Seneca CreekWVYellow Sally Stonefly
Dry ForkWVBlue-Winged Olive
Flow: 154 cfs low
Dry ForkWVHendrickson
Flow: 154 cfs low
Dry ForkWVYellow Sally Stonefly
Flow: 154 cfs low
West Branch Ausable RiverNYHendrickson
Flow: 1,030 cfs high
West Branch Ausable RiverNYMarch Brown
Flow: 1,030 cfs high
West Branch Ausable RiverNYSulfur
Flow: 1,030 cfs high
Boyne RiverMIBlue-Winged Olive (BWO)
Boyne RiverMIHendrickson
Boyne RiverMICaddis
Bois Brule RiverWIBlue-Winged Olive
Flow: 189 cfs optimal
Bois Brule RiverWIHendrickson
Flow: 189 cfs optimal
Whitewater RiverMNBlue-Winged Olive
Whitewater RiverMNHendrickson
Whitewater RiverMNSulfur
Whitewater RiverMNCaddis
Saco RiverNHGreen Drake
Flow: 1,700 cfs optimal2 days until peak
Pere Marquette RiverMISulfur
Flow: 808 cfs optimal2 days until peak
Pere Marquette RiverMIBrown Drake
Flow: 808 cfs optimal2 days until peak
Boardman RiverMISulfur
2 days until peak
Jordan RiverMISulfur
Flow: 285 cfs optimal2 days until peak
Lehigh RiverPASulfur
Flow: 1,140 cfs optimal2 days until peak
Penobscot River — West BranchMEHendrickson
xxxx
Flow: 2,610 cfs optimal2 days until peak
Kennebec River — The ForksMEHendrickson
Flow: 377 cfs optimal2 days until peak
Hudson River GorgeNYHendrickson
Flow: 1,440 cfs low2 days until peak
Farmington RiverCTSulfur
Flow: 441 cfs optimal2 days until peak
Farmington RiverCTGreen Drake
Flow: 441 cfs optimal2 days until peak
Dowagiac RiverMISulfur
Flow: 362 cfs optimal2 days until peak
Delaware River — UpperPAGreen Drake
2 days until peak
Delaware River — UpperPASulfur
2 days until peak
Loyalsock CreekPASulfur
2 days until peak
Little Juniata RiverPASulfur
Flow: 185 cfs optimal2 days until peak
Premier sulfur hatch — evening rises into July
Little Juniata RiverPAGreen Drake
Flow: 185 cfs optimal2 days until peak
Limited but present — limestone bug
Kettle CreekPASulfur
Flow: 323 cfs optimal2 days until peak
Penns CreekPAGreen Drake (Ephemera guttulata)
Flow: 238 cfs optimal2 days until peak
The legendary Penns Creek green drake — one of the great hatches in American fly fishing. Brings out trophy browns from undercut banks.
Brodhead CreekPAGreen Drake
Flow: 238 cfs optimal2 days until peak
Boyne RiverMISulfur
2 days until peak
Boyne RiverMIBrown Drake
2 days until peak
Bois Brule RiverWISulfur
Flow: 189 cfs optimal2 days until peak
Bois Brule RiverWIBrown Drake
Flow: 189 cfs optimal2 days until peak
Arkansas RiverCOStonefly (Golden Stone, Salmonfly)
Flow: 337 cfs low12 days until peak
Big dry fly fishing
Arkansas RiverCOPale Morning Dun (PMD)
Flow: 337 cfs low12 days until peak
Gallatin RiverMTSalmonfly / Golden Stone
Flow: 1,230 cfs optimal12 days until peak
Gallatin RiverMTPale Morning Dun
Flow: 1,230 cfs optimal12 days until peak
Blackfoot RiverMTSalmonfly
Water: 47°F (need 50°F)Flow: 3,960 cfs optimal12 days until peak
Blackfoot RiverMTPMD / Green Drake
Water: 47°F (need 55°F)Flow: 3,960 cfs optimal12 days until peak
Deerfield RiverMAIsonychia
Flow: 609 cfs optimal12 days until peak
Saco RiverNHSulfur
Flow: 1,700 cfs optimal12 days until peak
Salmon River — MainIDSalmonfly
Flow: 3,820 cfs optimal12 days until peak
Major hatch — draws big cutthroat to the surface
Salmon River — MainIDGolden Stonefly
Flow: 3,820 cfs optimal12 days until peak
Salmon River — MainIDPale Morning Dun
Flow: 3,820 cfs optimal12 days until peak
Salmon River — MainIDCaddis
Flow: 3,820 cfs optimal12 days until peak
Lochsa RiverIDSalmonfly
Flow: 5,620 cfs high12 days until peak
Brief but intense emergence
Lochsa RiverIDGolden Stonefly
Flow: 5,620 cfs high12 days until peak
Lochsa RiverIDPale Morning Dun
Flow: 5,620 cfs high12 days until peak
Middle Fork of the SalmonIDSalmonfly
Flow: 4,120 cfs optimal12 days until peak
Legendary hatch on the Middle Fork — fish go berserk
Middle Fork of the SalmonIDGolden Stonefly
Flow: 4,120 cfs optimal12 days until peak
Middle Fork of the SalmonIDCaddis
Flow: 4,120 cfs optimal12 days until peak
Middle Fork of the SalmonIDPale Morning Dun
Flow: 4,120 cfs optimal12 days until peak
Flathead River — Middle ForkMTSalmonfly
Flow: 6,100 cfs optimal12 days until peak
Flathead River — Middle ForkMTGolden Stonefly
Flow: 6,100 cfs optimal12 days until peak
Flathead River — Middle ForkMTPale Morning Dun
Flow: 6,100 cfs optimal12 days until peak
Stillwater RiverMTSalmonfly
12 days until peak
Stillwater RiverMTGolden Stonefly
12 days until peak
Stillwater RiverMTPale Morning Dun
12 days until peak
Snake River — Snake River CanyonWYPale Morning Dun
Water: 48°F (need 55°F)Flow: 7,330 cfs optimal12 days until peak
Green River — Flaming GorgeWYPale Morning Dun
Water: 56°FFlow: 905 cfs optimal12 days until peak
North Platte River — Northgate CanyonWYPale Morning Dun
Flow: 842 cfs optimal12 days until peak
Cache la PoudreCOStonefly (Golden Stone)
Flow: 166 cfs low12 days until peak
Cache la PoudreCOPale Morning Dun
Flow: 166 cfs low12 days until peak
Rogue RiverORGolden Stonefly
Water: 60°FFlow: 2,170 cfs optimal12 days until peak
Deschutes RiverORGolden Stonefly
Water: 57°FFlow: 3,790 cfs optimal12 days until peak
Deschutes RiverORPale Morning Dun
Water: 57°FFlow: 3,790 cfs optimal12 days until peak
McKenzie RiverORGolden Stonefly
Water: 57°FFlow: 2,560 cfs optimal12 days until peak
North Umpqua RiverORGolden Stonefly
12 days until peak
Wenatchee RiverWASalmonfly
Water: 53°FFlow: 3,990 cfs optimal12 days until peak
Wenatchee RiverWAPale Morning Dun
Water: 53°F (need 55°F)Flow: 3,990 cfs optimal12 days until peak
Skagit RiverWAPink Albert (Pink Cahill)
Water: 46°F (need 55°F)Flow: 3,970 cfs low12 days until peak
Tuolumne RiverCAGolden Stonefly
Water: 50°F (need 52°F)Flow: 967 cfs optimal12 days until peak
Tuolumne RiverCAPale Morning Dun
Water: 50°F (need 55°F)Flow: 967 cfs optimal12 days until peak
Kern RiverCAGolden Stonefly
Flow: 101 cfs low12 days until peak
Kern RiverCAPale Morning Dun
Flow: 101 cfs low12 days until peak
Merced RiverCAGolden Stonefly
Water: 52°FFlow: 612 cfs optimal12 days until peak
Merced RiverCAPale Morning Dun
Water: 52°F (need 55°F)Flow: 612 cfs optimal12 days until peak
Truckee RiverNVPale Morning Dun
Flow: 998 cfs optimal12 days until peak
Truckee RiverNVGolden Stonefly
Flow: 998 cfs optimal12 days until peak
San Juan RiverUTPale Morning Dun
Water: 68°FFlow: 1,000 cfs optimal12 days until peak
Rio Grande — Taos BoxNMStonefly
Flow: 216 cfs low12 days until peak
Rio Grande — Taos BoxNMPale Morning Dun
Flow: 216 cfs low12 days until peak
Rio ChamaNMPale Morning Dun
Flow: 136 cfs low12 days until peak
Gila RiverNMPale Morning Dun
Flow: 21.4 cfs low12 days until peak
Youghiogheny RiverPALight Cahill
Water: 69°FFlow: 190 cfs low12 days until peak
Pine CreekPASlate Drake
Water: 70°FFlow: 1,210 cfs optimal12 days until peak
Lehigh RiverPAIsonychia
Flow: 1,140 cfs optimal12 days until peak
Hiwassee RiverTNLight Cahill
12 days until peak
Chattahoochee River — Metro AtlantaGATerrestrials
Water: 74°FFlow: 928 cfs optimal12 days until peak
Penobscot River — West BranchMEGreen Drake
xxxx
Flow: 2,610 cfs optimal12 days until peak
Kennebec River — The ForksMEGreen Drake
Flow: 377 cfs optimal12 days until peak
Hudson River GorgeNYGreen Drake
Flow: 1,440 cfs low12 days until peak
Housatonic RiverCTIsonychia
Flow: 542 cfs optimal12 days until peak
Farmington RiverCTIsonychia
Flow: 441 cfs optimal12 days until peak
Delaware River — UpperPAIsonychia
12 days until peak
Delaware River — UpperNYIsonychia
Water: 69°FFlow: 3,220 cfs optimal12 days until peak
Beaverkill RiverNYIsonychia
Water: 67°FFlow: 515 cfs high12 days until peak
Blue RiverCOPale Morning Dun
Water: 44°F (need 55°F)Flow: 85 cfs low12 days until peak
Eagle RiverCOStonefly (Golden Stone)
Flow: 463 cfs optimal12 days until peak
Eagle RiverCOPale Morning Dun
Flow: 463 cfs optimal12 days until peak
Dolores RiverUTStonefly
Water: 67°FFlow: 213 cfs low12 days until peak
Roaring Fork RiverCOPale Morning Dun
Water: 52°F (need 55°F)Flow: 965 cfs low12 days until peak
Crystal RiverCOPale Morning Dun
Flow: 452 cfs optimal12 days until peak
Big Hole RiverMTSalmonfly
Flow: 1,110 cfs optimal12 days until peak
Big Hole RiverMTGolden Stonefly
Flow: 1,110 cfs optimal12 days until peak
Big Hole RiverMTPale Morning Dun
Flow: 1,110 cfs optimal12 days until peak
Clark ForkMTSalmonfly
Water: 49°F (need 50°F)Flow: 6,000 cfs optimal12 days until peak
Clark ForkMTPale Morning Dun
Water: 49°F (need 55°F)Flow: 6,000 cfs optimal12 days until peak
Missouri River — Upper Missouri BreaksMTPale Morning Dun
Water: 51°F (need 55°F)Flow: 4,840 cfs low12 days until peak
Yellowstone RiverMTSalmonfly
Water: 47°F (need 50°F)Flow: 6,020 cfs optimal12 days until peak
Legendary hatch on the Yellowstone
Yellowstone RiverMTGolden Stonefly
Water: 47°F (need 52°F)Flow: 6,020 cfs optimal12 days until peak
Yellowstone RiverMTPale Morning Dun
Water: 47°F (need 55°F)Flow: 6,020 cfs optimal12 days until peak
Madison RiverMTSalmonfly
Water: 53°FFlow: 1,230 cfs optimal12 days until peak
Madison RiverMTGolden Stonefly
Water: 53°FFlow: 1,230 cfs optimal12 days until peak
Madison RiverMTPale Morning Dun
Water: 53°F (need 55°F)Flow: 1,230 cfs optimal12 days until peak
Henry's ForkIDGreen Drake
Flow: 1,140 cfs optimal12 days until peak
The signature hatch — selective fish on flat water
Henry's ForkIDPale Morning Dun
Flow: 1,140 cfs optimal12 days until peak
Henry's ForkIDCaddis
Flow: 1,140 cfs optimal12 days until peak
Priest RiverIDStonefly
Flow: 2,370 cfs optimal12 days until peak
Selway RiverIDSalmonfly
Flow: 7,480 cfs high12 days until peak
Selway RiverIDGolden Stonefly
Flow: 7,480 cfs high12 days until peak
Selway RiverIDCaddis
Flow: 7,480 cfs high12 days until peak
South Fork Boise RiverIDPale Morning Dun
12 days until peak
John Day RiverORGolden Stonefly
Water: 69°FFlow: 1,120 cfs optimal12 days until peak
Tieton RiverWAPale Morning Dun
12 days until peak
Sacramento RiverCAPale Morning Dun
Flow: 10,800 cfs optimal12 days until peak
Walker RiverNVPale Morning Dun
Water: 65°FFlow: 135 cfs optimal12 days until peak
East Walker RiverNVPale Morning Dun
Flow: 167 cfs high12 days until peak
Provo RiverUTPale Morning Dun
Water: 55°FFlow: 190 cfs low12 days until peak
Logan RiverUTPale Morning Dun
Flow: 311 cfs optimal12 days until peak
Weber RiverUTPale Morning Dun
Flow: 344 cfs optimal12 days until peak
Clarks Fork YellowstoneWYGolden Stonefly
Flow: 1,670 cfs optimal12 days until peak
Clarks Fork YellowstoneWYPale Morning Dun
Flow: 1,670 cfs optimal12 days until peak
Greys RiverWYPale Morning Dun
Flow: 1,040 cfs optimal12 days until peak
Hoback RiverWYPale Morning Dun
Water: 49°F (need 55°F)Flow: 958 cfs optimal12 days until peak
Shoshone RiverWYPale Morning Dun
Water: 58°FFlow: 417 cfs low12 days until peak
Wind RiverWYPale Morning Dun
Flow: 202 cfs low12 days until peak
Pecos RiverNMPale Morning Dun
Flow: 9.35 cfs low12 days until peak
Colorado River — Glenwood CanyonCOPMD (Pale Morning Dun)
Water: 52°F (need 55°F)Flow: 965 cfs low12 days until peak
Allagash Wilderness WaterwayMEHex (Hexagenia)
12 days until peak
Rapid RiverMEHex (Hexagenia)
12 days until peak
San Antonio CreekNMPMD (Pale Morning Dun)
12 days until peak
Rapid CreekSDPMD (Pale Morning Dun)
Flow: 86.6 cfs optimal12 days until peak
Green River — Lodore CanyonCOPale Morning Dun (PMD)
Water: 50°F (need 55°F)Flow: 1,680 cfs optimal12 days until peak
Colorado River — Glenwood CanyonCOPale Morning Dun (PMD)
Water: 52°F (need 55°F)Flow: 965 cfs low12 days until peak
Colorado River — Glenwood CanyonCOYellow Sally (Stonefly)
Water: 52°FFlow: 965 cfs low12 days until peak
Taylor RiverCOCaddis
Water: 52°FFlow: 253 cfs low12 days until peak
Taylor RiverCOPale Morning Dun (PMD)
Water: 52°F (need 55°F)Flow: 253 cfs low12 days until peak
Fryingpan RiverCOPale Morning Dun (PMD)
Flow: 110 cfs low12 days until peak
South Platte RiverCOPale Morning Dun (PMD)
Flow: 145 cfs low12 days until peak
Cache la PoudreCOPale Morning Dun (PMD)
12 days until peak
Cache la PoudreCOSalmonfly
12 days until peak
Brief window during peak runoff
Cache la PoudreCOYellow Sally
12 days until peak
Gunnison River — MainCOGolden Stonefly
Water: 62°FFlow: 747 cfs low12 days until peak
Gunnison River — MainCOPale Morning Dun (PMD)
Water: 62°FFlow: 747 cfs low12 days until peak
Colorado River — UpperCOPale Morning Dun (PMD)
Water: 52°F (need 55°F)Flow: 324 cfs low12 days until peak
Colorado River — UpperCOYellow Sally
Water: 52°FFlow: 324 cfs low12 days until peak
Kings RiverCAPale Morning Dun (PMD)
12 days until peak
Kings RiverCAGolden Stonefly
12 days until peak
Truckee RiverCAPale Morning Dun (PMD)
Water: 53°F (need 55°F)Flow: 1,190 cfs optimal12 days until peak
Truckee RiverCAGolden Stonefly
Water: 53°FFlow: 1,190 cfs optimal12 days until peak
Pit RiverCAPale Morning Dun (PMD)
12 days until peak
Pit RiverCAGolden Stonefly
12 days until peak
Tellico RiverTNLight Cahill
Flow: 90 cfs low12 days until peak
Rapidan RiverVATerrestrials
Flow: 107 cfs low12 days until peak
Penns CreekPASlate Drake
Flow: 238 cfs optimal12 days until peak
Slate RunPALight Cahill
Flow: 829 cfs flood12 days until peak
Slate RunPASlate Drake
Flow: 829 cfs flood12 days until peak
Brodhead CreekPALight Cahill
Flow: 238 cfs optimal12 days until peak
Abrams CreekTNLight Cahill
12 days until peak
Mossy CreekVATerrestrials (cricket, beetle, ant)
12 days until peak
Trophy browns key on terrestrials in summer
Jackson River — Lake Moomaw TailwaterVALight Cahill
Water: 66°F12 days until peak
South River — WaynesboroVATerrestrials
Flow: 28.8 cfs low12 days until peak
Hazel CreekNCLight Cahill
12 days until peak
Wilson CreekNCLight Cahill
12 days until peak
South Toe RiverNCLight Cahill
Flow: 34 cfs low12 days until peak
Seneca CreekWVTerrestrials
12 days until peak
Dry ForkWVLight Cahill
Flow: 154 cfs low12 days until peak
Dry ForkWVTerrestrials
Flow: 154 cfs low12 days until peak
West Branch Ausable RiverNYLight Cahill
Flow: 1,030 cfs high12 days until peak
West Branch Ausable RiverNYIsonychia (Slate Drake)
Flow: 1,030 cfs high12 days until peak
Willowemoc CreekNYLight Cahill
Water: 64°FFlow: 116 cfs optimal12 days until peak
Willowemoc CreekNYIsonychia
Water: 64°FFlow: 116 cfs optimal12 days until peak
Neversink RiverNYLight Cahill
Water: 61°FFlow: 126 cfs optimal12 days until peak
Neversink RiverNYIsonychia
Water: 61°FFlow: 126 cfs optimal12 days until peak