


Great Lakes Forecast
Issued by NWS
Issued by NWS
505 FZUS61 KBUF 071401 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 1001 AM EDT Sat Jun 7 2025 SLZ022-024-072100- Saint Lawrence River from Cape Vincent to Saint Regis 1001 AM EDT Sat Jun 7 2025 .THIS AFTERNOON...Northeast winds 10 knots or less becoming north. A chance of showers early. .TONIGHT...North winds less than 10 knots. Mainly clear. .SUNDAY...Northeast winds less than 10 knots. Mostly sunny. .SUNDAY NIGHT...Northeast winds 10 knots or less becoming southeast. A chance of showers. .MONDAY...South winds 5 to 10 knots. Showers likely during the day, then showers Monday night. .TUESDAY...South winds 5 to 10 knots becoming southwest. Showers during the day, then showers likely with a chance of thunderstorms Tuesday night. .WEDNESDAY...Southwest winds 5 to 15 knots. A chance of showers. Winds and waves higher in and near thunderstorms. $$