


Great Lakes Forecast
Issued by NWS
Issued by NWS
537 FZUS61 KBUF 111402 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 1002 AM EDT Sat Oct 11 2025 SLZ022-024-112100- Saint Lawrence River from Cape Vincent to Saint Regis 1002 AM EDT Sat Oct 11 2025 .THIS AFTERNOON...Southeast winds 10 knots or less becoming northeast. Sunny. .TONIGHT...Northeast winds 5 to 10 knots becoming east. Mainly clear early, then becoming partly cloudy. .SUNDAY...Northeast winds 5 to 10 knots. Sunny. .SUNDAY NIGHT...East winds 5 to 10 knots 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. $$