


Great Lakes Forecast
Issued by NWS
Issued by NWS
554 FZUS61 KBUF 090802 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 402 AM EDT Thu Oct 9 2025 SLZ022-024-091500- Saint Lawrence River from Cape Vincent to Saint Regis 402 AM EDT Thu Oct 9 2025 .TODAY...North winds 10 knots or less becoming northwest. Sunny. .TONIGHT...Light and variable winds. Mainly clear. .FRIDAY...South winds 10 knots or less becoming southwest. Sunny. .FRIDAY NIGHT...South winds 5 to 10 knots. Partly cloudy. .SATURDAY...South winds 10 knots or less becoming east. Mainly clear, then becoming partly cloudy. .SUNDAY...East winds 10 knots or less becoming northeast. A chance of showers. .MONDAY...Northeast winds 10 knots or less. A chance of showers. $$