Great Lakes Forecast
Issued by NWS
Issued by NWS
732 FZUS61 KBUF 302003 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 403 PM EDT Fri Oct 30 2026 SLZ022-024-310300- Saint Lawrence River from Cape Vincent to Saint Regis 403 PM EDT Fri Oct 30 2026 .TONIGHT...Northwest winds 5 to 15 knots diminishing to less than 10 knots. Partly cloudy this evening, then becoming mainly clear. .SATURDAY...Light and variable winds. Sunny. .SATURDAY NIGHT...Southwest winds less than 10 knots. 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. $$