


Great Lakes Forecast
Issued by NWS
Issued by NWS
486 FZUS61 KBUF 030803 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 402 AM EDT Sun Aug 3 2025 SLZ022-024-031500- Saint Lawrence River from Cape Vincent to Saint Regis 402 AM EDT Sun Aug 3 2025 .TODAY...Southwest winds 5 to 15 knots. Haze. .TONIGHT...Southwest winds 10 to 15 knots becoming light and variable. Haze in the evening. .MONDAY...Light and variable winds. Sunny. .MONDAY NIGHT...North winds less than 10 knots. Partly cloudy. .TUESDAY...Northeast winds less than 10 knots. Partly cloudy. .WEDNESDAY...Northeast winds less than 10 knots. Partly cloudy. .THURSDAY...Southeast winds less than 10 knots becoming south. Partly cloudy. $$