


Great Lakes Forecast
Issued by NWS
Issued by NWS
973 FZUS61 KBUF 071402 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 1002 AM EDT Tue Oct 7 2025 SLZ022-024-072100- Saint Lawrence River from Cape Vincent to Saint Regis 1002 AM EDT Tue Oct 7 2025 .THIS AFTERNOON...Southwest winds 5 to 10 knots. Showers with a chance of thunderstorms. .TONIGHT...West winds 5 to 10 knots becoming northwest. Showers with a chance of thunderstorms in the evening, then showers likely after midnight. .WEDNESDAY...Northwest winds 5 to 10 knots. Sunny. .WEDNESDAY NIGHT...North winds 5 to 10 knots. Mainly clear. .THURSDAY...North winds 10 knots or less becoming south. Mainly clear. .FRIDAY...South winds 10 knots or less becoming southwest. Mainly clear, then becoming partly cloudy. .SATURDAY...Southwest winds less than 10 knots. Becoming mainly clear. Winds and waves higher in and near thunderstorms. $$