Delaware River Report: August 14, 2025

The release from Cannonsville is 500 cfs. Yesterday’s rain bumped the river flows slightly but they are pretty much back to where we started yesterday. The West branch is clear and is at a good level for floating and wading. Olives have made up most of the hatches but there are some Isonychias and Cahills around. blind casting casting worked well on the lower West before the hatches. Nymphing or swinging wets in the riffles should produce today too. Streamer would be best early or late before or after the sun hits the water.

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 86 degrees and partly cloudy. There is a slight chance of a showerr or stray thunderstorm. Winds from the NW at 5 to 10 mph.

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, NY462 cfs47°
West Branch at Hale Eddy, NY552 cfs50°
East Branch at Harvard, NY205 cfs57°
East Branch at Fishs Eddy, NY343 cfsN/A
East Branch at Hancock, NY74°
Mainstem at Lordville, NY1,000 cfs67°
Beaverkill at Cooks Falls, NY116 cfs71°
West Branch at 191 Bridge57°
West Branch at Walton (Cannonsville inflow)104 cfs71°
Cannonsville Reservoir Release500 cfs
Cannonsville Reservoir Capacity80.4%
Pepacton Reservoir Capacity87.6%
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