


Great Lakes Forecast
Issued by NWS
Issued by NWS
177 FZUS61 KBUF 072002 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 402 PM EDT Tue Oct 7 2025 SLZ022-024-080300- Saint Lawrence River from Cape Vincent to Saint Regis 402 PM EDT Tue Oct 7 2025 .TONIGHT...West winds 5 to 10 knots becoming northwest. Showers with a chance of thunderstorms early, then showers. A chance of showers late. .WEDNESDAY...Northwest winds 5 to 10 knots becoming north. Sunny. .WEDNESDAY NIGHT...North winds 5 to 10 knots. Mainly clear. .THURSDAY...North winds 10 knots or less becoming northwest. Sunny. .THURSDAY NIGHT...Light and variable winds. Mainly clear. .FRIDAY...South winds 10 knots or less. Mainly clear. .SATURDAY...Light and variable winds. Mainly clear, then becoming partly cloudy. .SUNDAY...Northeast winds less than 10 knots becoming east. Mainly clear, then becoming partly cloudy. Winds and waves higher in and near thunderstorms. $$