Great Lakes Forecast
Issued by NWS
Issued by NWS
492 FZUS61 KBUF 310229 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 1029 PM EDT Fri Oct 30 2026 SLZ022-024-310915- Saint Lawrence River from Cape Vincent to Saint Regis 1029 PM EDT Fri Oct 30 2026 .OVERNIGHT...Northwest winds 10 knots or less. Becoming mainly clear. .SATURDAY...Northwest winds 10 knots or less becoming southwest. Sunny. .SATURDAY NIGHT...Southwest winds 10 knots or less. Mainly clear in the evening, then becoming partly cloudy. .SUNDAY...Southwest winds 10 knots or less. Mostly sunny. .SUNDAY NIGHT...Southwest winds 10 knots or less. Partly to mostly cloudy. .MONDAY...Southwest winds 5 to 10 knots becoming light and variable. Mostly cloudy. .TUESDAY...South winds 10 knots or less. Mostly cloudy. .WEDNESDAY...South winds 5 to 10 knots. A chance of showers Wednesday night. $$