


Great Lakes Forecast
Issued by NWS
Issued by NWS
808 FZUS61 KBUF 040203 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 1003 PM EDT Sun Aug 3 2025 SLZ022-024-040900- Saint Lawrence River from Cape Vincent to Saint Regis 1003 PM EDT Sun Aug 3 2025 .REST OF TONIGHT...Southwest winds less than 10 knots. Haze late this evening. .MONDAY...Light and variable winds. Sunny. .MONDAY NIGHT...North winds less than 10 knots. Partly cloudy. .TUESDAY...Northeast winds less than 10 knots. Mostly sunny. .TUESDAY NIGHT...Northeast winds less than 10 knots. Mainly clear. .WEDNESDAY...Northeast winds less than 10 knots. Mainly clear, then becoming mostly cloudy. .THURSDAY...Southeast winds less than 10 knots becoming south. Becoming mainly clear. .FRIDAY...South winds 10 knots or less. Mainly clear, then becoming partly cloudy. $$