Great Lakes Forecast
Issued by NWS
Issued by NWS
275 FZUS61 KBUF 281403 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 1003 AM EDT Sun Jun 28 2026 SLZ022-024-282100- Saint Lawrence River from Cape Vincent to Saint Regis 1003 AM EDT Sun Jun 28 2026 .THIS AFTERNOON...Light and variable winds. Sunny. .TONIGHT...Light and variable winds. Mainly clear. .MONDAY...Light and variable winds. Sunny. .MONDAY NIGHT...Southwest winds less than 10 knots. Mostly cloudy. .TUESDAY...South winds 5 to 10 knots becoming southwest. A chance of showers and thunderstorms. .WEDNESDAY...Southwest winds 5 to 10 knots. A chance of showers and thunderstorms. .THURSDAY...Southwest winds 10 knots or less. A chance of showers Thursday night. Winds and waves higher in and near thunderstorms. $$