


Great Lakes Forecast
Issued by NWS
Issued by NWS
009 FZUS61 KBUF 110802 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 402 AM EDT Sat Oct 11 2025 SLZ022-024-111500- Saint Lawrence River from Cape Vincent to Saint Regis 402 AM EDT Sat Oct 11 2025 .TODAY...South winds 10 knots or less becoming east. Mostly sunny. .TONIGHT...Northeast winds less than 10 knots. Partly cloudy. .SUNDAY...Northeast winds 10 knots or less. Sunny. .SUNDAY NIGHT...East winds 10 knots or less becoming northeast. A chance of showers overnight. .MONDAY...Northeast winds 10 knots or less. A chance of showers. .TUESDAY...North winds 10 knots or less becoming northwest. A chance of showers Tuesday night. .WEDNESDAY...Northwest winds 5 to 10 knots. A chance of rain showers during the day. $$