


Great Lakes Forecast
Issued by NWS
Issued by NWS
591 FZUS61 KBUF 140802 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 402 AM EDT Mon Jul 14 2025 SLZ022-024-141500- Saint Lawrence River from Cape Vincent to Saint Regis 402 AM EDT Mon Jul 14 2025 .TODAY...West winds 5 to 10 knots becoming southwest. Partly to mostly sunny. .TONIGHT...Southwest winds 10 knots or less. Mainly clear. .TUESDAY...Light and variable winds. Sunny. .TUESDAY NIGHT...Southwest winds less than 10 knots. Mainly clear. .WEDNESDAY...Southwest winds 10 knots or less becoming south. A chance of showers and thunderstorms Wednesday night. .THURSDAY...Southwest winds 5 to 10 knots becoming west. Showers likely with a chance of thunderstorms. .FRIDAY...Northwest winds 10 knots or less. A chance of showers. Winds and waves higher in and near thunderstorms. $$