


Great Lakes Forecast
Issued by NWS
Issued by NWS
840 FZUS61 KBUF 140802 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 402 AM EDT Tue Oct 14 2025 SLZ022-024-141500- Saint Lawrence River from Cape Vincent to Saint Regis 402 AM EDT Tue Oct 14 2025 .TODAY...Northeast winds less than 10 knots becoming west. Mostly cloudy early, then becoming mostly sunny. .TONIGHT...Southwest winds 10 knots or less becoming north. Mainly clear early, then becoming mostly cloudy. .WEDNESDAY...North winds 10 to 15 knots. Mostly sunny. .WEDNESDAY NIGHT...North winds 5 to 10 knots. Mainly clear. .THURSDAY...North winds 5 to 10 knots becoming light and variable. Mainly clear. .FRIDAY...Light and variable winds. A chance of rain showers Friday night. .SATURDAY...South winds 5 to 10 knots. A chance of showers during the day, then showers likely Saturday night. $$