Great Lakes Forecast
Issued by NWS
Issued by NWS
301 FZUS61 KBUF 020824 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 424 AM EDT Wed Sep 2 2026 SLZ022-024-021530- Saint Lawrence River from Cape Vincent to Saint Regis 424 AM EDT Wed Sep 2 2026 .TODAY...Southeast winds 10 knots or less becoming south. Showers likely with a chance of thunderstorms this afternoon. .TONIGHT...South winds 5 to 10 knots becoming southwest. Showers with a chance of thunderstorms through the early overnight, then a chance of showers late. .THURSDAY...Southwest winds 10 knots or less becoming west. A chance of showers in the afternoon. .THURSDAY NIGHT...West winds less than 10 knots. A chance of showers in the evening. .FRIDAY...Northwest winds 10 knots or less. Partly cloudy. .SATURDAY...North winds 10 knots or less becoming northeast. Becoming mainly clear. .SUNDAY...Northeast winds less than 10 knots. Mainly clear. Winds and waves higher in and near thunderstorms. $$ EAL