Great Lakes Forecast
Issued by NWS
Issued by NWS
066 FZUS61 KBUF 031403 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 1003 AM EDT Thu Sep 3 2026 SLZ022-024-032100- Saint Lawrence River from Cape Vincent to Saint Regis 1003 AM EDT Thu Sep 3 2026 .THIS AFTERNOON...Southwest winds 10 knots or less becoming west. Mostly sunny. .TONIGHT...West winds less than 10 knots. Partly cloudy. .FRIDAY...Light and variable winds. Mostly sunny. .FRIDAY NIGHT...Northwest winds less than 10 knots. Partly cloudy. .SATURDAY...North winds 10 knots or less becoming northeast. Partly cloudy. .SUNDAY...Northeast winds less than 10 knots. Mainly clear. .MONDAY...Light and variable winds. Partly cloudy. $$