


Great Lakes Forecast
Issued by NWS
Issued by NWS
231 FZUS61 KBUF 120202 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 1002 PM EDT Sat Oct 11 2025 SLZ022-024-120900- Saint Lawrence River from Cape Vincent to Saint Regis 1002 PM EDT Sat Oct 11 2025 .OVERNIGHT...Northeast winds less than 10 knots. Mainly clear. .SUNDAY...Northeast winds 5 to 10 knots. Sunny. .SUNDAY NIGHT...East winds 5 to 10 knots becoming northeast. A chance of showers. .MONDAY...Northeast winds 5 to 10 knots. A chance of showers. .MONDAY NIGHT...Northeast winds 10 knots or less. A chance of showers. .TUESDAY...North winds 10 knots or less becoming northwest. A chance of showers. .WEDNESDAY...Northwest winds 5 to 10 knots. A chance of rain showers during the day. .THURSDAY...Northwest winds 10 knots or less. Partly cloudy. $$