


Great Lakes Forecast
Issued by NWS
Issued by NWS
532 FZUS61 KBUF 041403 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 1002 AM EDT Mon Aug 4 2025 SLZ022-024-042100- Saint Lawrence River from Cape Vincent to Saint Regis 1002 AM EDT Mon Aug 4 2025 .THIS AFTERNOON...Light and variable winds becoming northwest 5 to 10 knots. Haze. .TONIGHT...North winds 10 knots or less becoming northeast. Haze in the evening. .TUESDAY...Northeast winds 10 knots or less. Partly to mostly sunny. .TUESDAY NIGHT...Northeast winds less than 10 knots. Mainly clear. .WEDNESDAY...Northeast winds less than 10 knots. Mainly clear, then becoming partly 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. $$