Great Lakes Forecast
Issued by NWS
Issued by NWS
342 FZUS61 KBUF 220803 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 403 AM EDT Tue Sep 22 2026 SLZ022-024-221500- Saint Lawrence River from Cape Vincent to Saint Regis 403 AM EDT Tue Sep 22 2026 .TODAY...Northeast winds 5 to 10 knots. Sunny. .TONIGHT...Northeast winds 5 to 10 knots. Mainly clear. .WEDNESDAY...Northeast winds 10 knots or less. Sunny. .WEDNESDAY NIGHT...Northeast winds 10 knots or less. Mainly clear. .THURSDAY...Northeast winds 10 knots or less. Mainly clear. .FRIDAY...North winds 5 to 10 knots. Partly cloudy. .SATURDAY...North winds 5 to 15 knots. Partly cloudy. $$