Great Lakes Forecast
Issued by NWS
Issued by NWS
330 FZUS61 KBUF 291404 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 1003 AM EDT Wed Jul 29 2026 SLZ022-024-292100- Saint Lawrence River from Cape Vincent to Saint Regis 1003 AM EDT Wed Jul 29 2026 .REST OF TODAY...North winds 5 to 10 knots. A chance of showers late this morning, then showers likely with a chance of thunderstorms this afternoon. .TONIGHT...North winds 5 to 10 knots becoming northeast. Showers likely early, then a chance of showers late in the evening. .THURSDAY...Northeast winds 5 to 10 knots. A chance of showers in the afternoon. .THURSDAY NIGHT...Northeast winds less than 10 knots. A chance of showers in the evening. Patchy fog. .FRIDAY...Light and variable winds. Patchy fog during the day. .SATURDAY...South winds less than 10 knots. A chance of showers Saturday night. .SUNDAY...South winds less than 10 knots. Showers likely with a chance of thunderstorms. Winds and waves higher in and near thunderstorms. $$