


Great Lakes Forecast
Issued by NWS
Issued by NWS
574 FZUS61 KBUF 120802 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 402 AM EDT Sun Oct 12 2025 SLZ022-024-121500- Saint Lawrence River from Cape Vincent to Saint Regis 402 AM EDT Sun Oct 12 2025 .TODAY...Northeast winds 5 to 10 knots becoming east. Sunny. .TONIGHT...East winds 10 knots or less becoming northeast. A chance of showers late. .MONDAY...Northeast winds 5 to 10 knots. A chance of showers. .MONDAY NIGHT...Northeast winds 10 knots or less. A chance of showers. .TUESDAY...North winds 10 knots or less becoming northwest. A chance of showers during the day. .WEDNESDAY...Northwest winds 5 to 10 knots. Partly cloudy. .THURSDAY...Northwest winds 10 knots or less becoming north. Partly cloudy. $$