Great Lakes Forecast
Issued by NWS
Issued by NWS
080 FZUS61 KBUF 241403 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 1003 AM EDT Thu Sep 24 2026 SLZ022-024-242100- Saint Lawrence River from Cape Vincent to Saint Regis 1003 AM EDT Thu Sep 24 2026 .THIS AFTERNOON...Northeast winds 5 to 10 knots. Sunny. .TONIGHT...Northeast winds less than 10 knots. Mainly clear. .FRIDAY...Northeast winds 10 knots or less. Sunny. .FRIDAY NIGHT...North winds 10 knots or less. Mainly clear in the evening, then becoming partly cloudy. .SATURDAY...North winds 5 to 10 knots. Partly to mostly cloudy. .SUNDAY...North winds 5 to 15 knots becoming northeast. Mostly cloudy. .MONDAY...Northeast winds 5 to 10 knots becoming light and variable. Partly cloudy. $$