Great Lakes Forecast
Issued by NWS
Issued by NWS
381 FZUS61 KBUF 020803 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 403 AM EDT Sat May 2 2026 SLZ022-024-021500- Saint Lawrence River from Cape Vincent to Saint Regis 403 AM EDT Sat May 2 2026 .TODAY...Southwest winds 10 knots or less becoming west. A chance of rain showers from late morning on. .TONIGHT...Southwest winds 10 knots or less becoming west. A chance of rain showers early. .SUNDAY...West winds 10 knots or less becoming southwest 10 to 15 knots. Mostly sunny. .SUNDAY NIGHT...Southwest winds 5 to 15 knots. A chance of showers. .MONDAY...Southwest winds 15 to 20 knots becoming south 5 to 15 knots. A chance of showers. .TUESDAY...Southwest winds 5 to 15 knots becoming west less than 10 knots. Showers likely. .WEDNESDAY...West winds 10 knots or less becoming southwest. Showers likely during the day, then a chance of showers Wednesday night. $$