Great Lakes Forecast
Issued by NWS
Issued by NWS
248 FZUS61 KBUF 140802 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 402 AM EDT Fri Aug 14 2026 SLZ022-024-141500- Saint Lawrence River from Cape Vincent to Saint Regis 402 AM EDT Fri Aug 14 2026 .TODAY...Light and variable winds. Areas of fog early. A chance of showers late. .TONIGHT...Light and variable winds. Areas of fog from late evening on. .SATURDAY...Northeast winds less than 10 knots. Areas of fog in the morning. .SATURDAY NIGHT...Light and variable winds. Mainly clear in the evening, then becoming partly cloudy. .SUNDAY...Southeast winds less than 10 knots becoming west. Showers likely during the day, then showers likely with a chance of thunderstorms Sunday night. .MONDAY...Northwest winds less than 10 knots. Mostly cloudy, then clearing. .TUESDAY...Light and variable winds becoming southwest 5 to 10 knots. Mainly clear, then becoming partly cloudy. Winds and waves higher in and near thunderstorms. $$