Delaware River Report: June 17, 2026

The release from Cannonsville is 500 cfs. We have some clouds this morning with the potential for some light rain. Total rainfall should only be .1″ during the day with another .15″ over night. The wind will be up a bit but the clouds and light rain may push the hatches earlier. We had Sulphurs starting earlier in the afternoon again on some river sections. Cahills, olives, and some tan caddis are around too. Nymphing or swinging wets have been the best bets during the day. Blind casting Isonychias or Cahills in the riffles could put a few fish in the net.

Today will be 76 degrees with some light rain possible. Wind will be 10 – 15 mph from the South.



What’s Hatching:
Dark Blue Wing Olive – #16 – 18 – Baetis vagans
Sulphur – 16 – 18 – Ephemerella dorothea
Tan Caddis – #16 – 18 – Hydrosyche sp
Light Cahill


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, NY499 cfs43°
West Branch at Hale Eddy, NY591 cfs46°
East Branch at Harvard, NY180 cfs54°
East Branch at Fishs Eddy, NY378 cfsN/A
East Branch at Hancock, NY 423 cfs66°
Mainstem at Lordville, NY1,160 cfs62°
Beaverkill at Cooks Falls, NY175 cfs61°
West Branch at 191 Bridge55°
West Branch at Walton (Cannonsville inflow)183 cfs62°
Cannonsville Reservoir Release500 cfs
Cannonsville Reservoir Capacity90.9%
Pepacton Reservoir Capacity94.9%

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