


Great Lakes Forecast
Issued by NWS
Issued by NWS
588 FZUS61 KBUF 300802 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 402 AM EDT Sat Aug 30 2025 SLZ022-024-301500- Saint Lawrence River from Cape Vincent to Saint Regis 402 AM EDT Sat Aug 30 2025 .TODAY...West winds 10 knots or less. A chance of showers. .TONIGHT...West winds less than 10 knots. A chance of showers early. .SUNDAY...Light and variable winds. Sunny. .SUNDAY NIGHT...Light and variable winds. Mainly clear. .MONDAY...Light and variable winds. Mainly clear, then becoming partly cloudy. .TUESDAY...Light and variable winds. Partly cloudy. .WEDNESDAY...South winds 5 to 10 knots. A chance of showers Wednesday night. $$