Great Lakes Forecast
Issued by NWS
Issued by NWS
533 FZUS61 KBUF 080802 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 402 AM EDT Mon Jun 8 2026 SLZ022-024-081500- Saint Lawrence River from Cape Vincent to Saint Regis 402 AM EDT Mon Jun 8 2026 .TODAY...East winds less than 10 knots becoming southeast. Patchy fog early. .TONIGHT...East winds less than 10 knots. Mainly clear. .TUESDAY...South winds 10 knots or less becoming southwest. Mostly sunny. .TUESDAY NIGHT...Southwest winds less than 10 knots. Showers likely overnight. .WEDNESDAY...South winds 10 knots or less becoming southwest. Showers with a chance of thunderstorms. .THURSDAY...Southwest winds 10 knots or less. A chance of showers. .FRIDAY...Southwest winds 10 knots or less. Showers likely with a chance of thunderstorms. Winds and waves higher in and near thunderstorms. $$