Great Lakes Forecast
Issued by NWS
Issued by NWS
701 FZUS61 KBUF 022003 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 403 PM EDT Fri Oct 2 2026 SLZ022-024-030300- Saint Lawrence River from Cape Vincent to Saint Regis 403 PM EDT Fri Oct 2 2026 .TONIGHT...Northwest winds 10 knots or less becoming north. Mostly cloudy early, then clearing. .SATURDAY...North winds less than 10 knots. Sunny. .SATURDAY NIGHT...Light and variable winds. Mainly clear. .SUNDAY...Southeast winds 10 knots or less becoming south 5 to 15 knots. Mostly sunny in the morning, then becoming partly sunny. .SUNDAY NIGHT...South winds 5 to 15 knots becoming west. A chance of showers. .MONDAY...West winds 5 to 15 knots. A chance of rain showers during the day. .TUESDAY...West winds 10 knots or less becoming southwest. Mainly clear. .WEDNESDAY...South winds 5 to 15 knots becoming southwest. Mainly clear, then becoming mostly cloudy. $$