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St. Lawrence / Thousand Islands Cast
St. Lawrence River · Thousand Islands (NY) · Mon Sep 21 – Thu Sep 24, 2026 · bank / kayak / boat · times ET
Thousand Islands smallmouth — current seams and rock with an SMB box built for giants.
Midweek outlook
NWS BUF (pulled Sun Sep 20 evening CT; clock times in ET). Late-September pattern from NWS. Monday: 59°F Partly Sunny (wind NE 8 mph) · Tuesday: 62°F Sunny (wind NE 9 mph) · Wednesday: 65°F Sunny (wind NE 7 mph) · Thursday: 66°F Mostly Sunny (wind NE 3 to 7 mph)
Mon–Thuthrough Thu evening ET
Smallmouth bass (primary — world-class SMB)
No named trail event pulled for Mon–Thu. Soft weekday recreational pressure.
Monday
- High near 59°FPartly Sunny · 0% precip
- Wind NE 8 mph
- Local ET
Tuesday
- High near 62°FSunny · 1% precip
- Wind NE 9 mph
- Local ET
Wednesday
- High near 65°FSunny · 3% precip
- Wind NE 7 mph
- Local ET
Thursday
- High near 66°FMostly Sunny · 2% precip
- Wind NE 3 to 7 mph
- Local ET
Dam & current cheat sheet
International river / NYSDEC — flow/level thin; re-check USGS and marine weather.
STATUS: flow/level THIN.
Generator schedule / pool boards change — re-check before launch.
How to fish it — Bank / Kayak / Boat
Bank
Limited public access.
Kayak
Expert-only in main current.
Boat
Current seams, rock, shoals.
Ethanol-free fuel near this water
Pure-Gas.org E0 near this hub — thin at gather. Price not listed — verify at pump.
Pure-Gas.org for E0 identity. Prices change — verify at the pump.
Lure box — Top / Mid / Bottom
Top
Walker on calm pockets.
Mid
Small crank/spinner.
Bottom
Tube/ned/dropshot/football.
Life stage + What's on the menu
Late summer into fall SMB.
What's on the menu: Most likely: gobies/craw/baitfish.
Also hot / also in season
Pike/muskie short note where relevant.