


Great Lakes Forecast
Issued by NWS
Issued by NWS
379 FZUS61 KBUF 261402 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 1002 AM EDT Sat Jul 26 2025 SLZ022-024-262100- Saint Lawrence River from Cape Vincent to Saint Regis 1002 AM EDT Sat Jul 26 2025 .THIS AFTERNOON...Southwest winds less than 10 knots. Partly to mostly sunny. .TONIGHT...Southwest winds 10 knots or less. A chance of showers and thunderstorms after midnight. .SUNDAY...Southwest winds 10 knots or less. A chance of showers and thunderstorms. .SUNDAY NIGHT...Southwest winds 10 knots or less. Mainly clear in the evening, then becoming partly cloudy. .MONDAY...Southwest winds 10 knots or less. A chance of showers and thunderstorms Monday night. .TUESDAY...West winds 10 knots or less becoming northwest. A chance of showers and thunderstorms. .WEDNESDAY...Northwest winds less than 10 knots becoming north. A chance of showers and thunderstorms. Winds and waves higher in and near thunderstorms. $$