Great Lakes Forecast
Issued by NWS
Issued by NWS
081 FZUS61 KBUF 290802 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 401 AM EDT Thu Oct 29 2026 SLZ022-024-291500- Saint Lawrence River from Cape Vincent to Saint Regis 402 AM EDT Thu Oct 29 2026 .TODAY...South winds 5 to 15 knots becoming southwest 15 to 20 knots. A chance of showers late. .TONIGHT...Southwest winds 5 to 15 knots becoming west. A chance of showers early. .FRIDAY...West winds 5 to 15 knots. Partly sunny in the morning, then becoming mostly cloudy. .FRIDAY NIGHT...Northwest winds 10 knots or less. Mostly cloudy in the evening, then clearing. .SATURDAY...Light and variable winds. Mainly clear, then becoming partly cloudy. .SUNDAY...Southwest winds less than 10 knots. Partly cloudy. .MONDAY...Southwest winds less than 10 knots. Mostly cloudy. $$