Great Lakes Forecast
Issued by NWS
Issued by NWS
329 FZUS61 KBUF 280803 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 403 AM EDT Mon Sep 28 2026 SLZ022-024-281500- Saint Lawrence River from Cape Vincent to Saint Regis 403 AM EDT Mon Sep 28 2026 .TODAY...Northeast winds 5 to 10 knots. Cloudy. .TONIGHT...Northeast winds 10 knots or less becoming north. Mostly cloudy through the early overnight, then becoming partly cloudy. .TUESDAY...North winds less than 10 knots. Sunny. .TUESDAY NIGHT...Light and variable winds. Clear in the evening, then becoming partly cloudy. .WEDNESDAY...South winds 10 knots or less. Mostly cloudy. .THURSDAY...South winds 5 to 15 knots becoming southwest. A chance of showers Thursday night. .FRIDAY...West winds 10 knots or less becoming northwest. A chance of showers during the day. $$