Great Lakes Forecast
Issued by NWS
Issued by NWS
527 FZUS61 KBUF 291403 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 1003 AM EDT Tue Sep 29 2026 SLZ022-024-292100- Saint Lawrence River from Cape Vincent to Saint Regis 1003 AM EDT Tue Sep 29 2026 .REST OF TODAY...Northeast winds less than 10 knots. Mostly cloudy late this morning, then becoming mostly sunny. .TONIGHT...Light and variable winds. Areas of fog after midnight. .WEDNESDAY...South winds 10 knots or less becoming southwest. Areas of fog in the morning. .WEDNESDAY NIGHT...Southwest winds 10 knots or less becoming south. Mostly cloudy. .THURSDAY...South winds 5 to 15 knots becoming southwest. A chance of showers during the day, then showers likely Thursday night. .FRIDAY...West winds less than 10 knots becoming northwest. Showers likely during the day, then a chance of showers Friday night. .SATURDAY...North winds less than 10 knots becoming east. Mainly clear, then becoming partly cloudy. $$