Great Lakes Forecast
Issued by NWS
Issued by NWS
709 FZUS61 KBUF 011402 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 1002 AM EDT Sat Nov 1 2025 SLZ022-024-012100- Saint Lawrence River from Cape Vincent to Saint Regis 1002 AM EDT Sat Nov 1 2025 .THIS AFTERNOON...West winds 10 to 15 knots. Mostly cloudy. .TONIGHT...West winds 10 knots or less. Mostly cloudy. .SUNDAY...West winds 10 knots or less becoming southwest. Partly to mostly sunny. .SUNDAY NIGHT...Southwest winds 10 knots or less becoming south. Partly cloudy. .MONDAY...South winds 10 to 15 knots becoming west. Rain showers. .TUESDAY...West winds 5 to 15 knots. A chance of rain showers during the day. .WEDNESDAY...Southwest winds 5 to 10 knots becoming west. Rain showers likely. $$