Delaware River Report: July 24, 2025

The release from Cannonsville has been increased to 750 cfs. The increase was most likely done to keep the water temp at Lordville from exceeding 75 degrees as we head into to a few days of warmer air temps. It’s still a decent level or floating and wading in most spots. The fishing should remain unaffected with midday sulphurs and olives in the coldest water sections of the Upper West and Upper East Branches. That will be the best dry fly fishing. It shouldn’t be enough to push hatches earlier on the lower West so that should fish the same. Nymphing or singing wets will be the best bets along with blind casting Isonychias and Cahills in the riffles.

The Beaverkill, Lower East Branch, and Mainstem water temps are still peaking in the mid to high 70’s. It’s time to give these rivers a break until they cool back down.

Today will be 88 degrees with sun and partly cloudy. Wind will be 5 – 10 mph from the South.

It’s that time of year. August 15 – 16. Let’s clean up the river!

What’s Hatching:
Slate Drake – #12-2xl – 12 – Isonychia bicolor
Light Cahill – #14 – Epeorus vitreus (male), Ephemeralla rotunda, Ephemerella invaria
Pale Evening Dun – #14 – Epeorus vitreus (female)
Sulphur – #16 – 20 – Ephemerella dorothea
Dark Blue Wing Olive – #16 – 18 – Baetis spp.
Tan Caddis – #16 – 18 – Hydropsyche spp.
Tiny Blue Wing Olive – #22 – 26 – Pseudocloeon sp.


Click on the gauge links below for the latest flow information.

View the current local weather conditions.

Click on any gauge for the most recent data:
West Branch at Stilesville, NY672 cfs46°
West Branch at Hale Eddy, NY810 cfs47°
East Branch at Harvard, NY188 cfs57°
East Branch at Fishs Eddy, NY451 cfsN/A °
Mainstem at Lordville, NY1,300 cfs66°
Beaverkill at Cooks Falls, NY171 cfs66°
West Branch at 191 Bridge59°
West Branch at Walton (Cannonsville inflow)129 cfs68°
Cannonsville Reservoir Release750 cfs
Cannonsville Reservoir Capacity91.5%
Pepacton Reservoir Capacity92.6%
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