


Great Lakes Forecast
Issued by NWS
Issued by NWS
272 FZUS61 KBUF 051402 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 1002 AM EDT Sun Oct 5 2025 SLZ022-024-052100- Saint Lawrence River from Cape Vincent to Saint Regis 1002 AM EDT Sun Oct 5 2025 .THIS AFTERNOON...Southwest winds 5 to 10 knots. Sunny. .TONIGHT...Southwest winds 10 knots or less becoming south. Mainly clear through the early overnight, then becoming partly cloudy. .MONDAY...South winds 5 to 10 knots becoming southwest. Mostly sunny. .MONDAY NIGHT...Southwest winds 5 to 10 knots. A chance of showers overnight. .TUESDAY...Southwest winds 5 to 15 knots becoming northwest. Showers. .WEDNESDAY...Northwest winds 10 knots or less becoming north. Mainly clear. .THURSDAY...North winds 10 knots or less becoming south. Mainly clear. $$