Great Lakes Forecast
Issued by NWS
Issued by NWS
891 FZUS61 KBUF 301403 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 1003 AM EDT Fri Oct 30 2026 SLZ022-024-302100- Saint Lawrence River from Cape Vincent to Saint Regis 1003 AM EDT Fri Oct 30 2026 .REST OF TODAY...West winds 5 to 15 knots. Partly sunny late this morning, then becoming mostly cloudy. .TONIGHT...Northwest winds 10 knots or less. Mostly cloudy early, then clearing. .SATURDAY...Light and variable winds. Sunny. .SATURDAY NIGHT...Southwest winds less than 10 knots. Becoming mainly clear. .SUNDAY...Southwest winds 10 knots or less. Partly cloudy, then becoming mostly cloudy. .MONDAY...Southwest winds 5 to 10 knots becoming light and variable. Mostly cloudy. .TUESDAY...Southeast winds 10 knots or less. A chance of showers Tuesday night. $$