Great Lakes Forecast
Issued by NWS
Issued by NWS
842 FZUS61 KBUF 150802 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 402 AM EDT Sat Aug 15 2026 SLZ022-024-151500- Saint Lawrence River from Cape Vincent to Saint Regis 402 AM EDT Sat Aug 15 2026 .TODAY...Northeast winds less than 10 knots becoming north. Areas of fog early. .TONIGHT...Northeast winds less than 10 knots. Partly cloudy. .SUNDAY...Southeast winds less than 10 knots. Showers likely in the afternoon. .SUNDAY NIGHT...East winds 10 knots or less becoming west. Showers. .MONDAY...Northwest winds less than 10 knots. A chance of showers during the day. .TUESDAY...Light and variable winds. Mainly clear, then becoming partly cloudy. .WEDNESDAY...South winds 5 to 10 knots becoming west. A chance of showers during the day, then showers likely Wednesday night. $$