FZUS61 KBUF 140805 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 405 AM EDT Tue Apr 14 2026 SLZ022-024-141500- Saint Lawrence River from Cape Vincent to Saint Regis 405 AM EDT Tue Apr 14 2026 .TODAY...Northeast winds 10 knots or less becoming southwest 10 to 15 knots. Patchy fog early. Showers late this morning. Showers with a chance of thunderstorms this afternoon. .TONIGHT...Northwest winds 5 to 15 knots becoming northeast less than 10 knots. A chance of showers in the evening. .WEDNESDAY...East winds less than 10 knots becoming north. Showers. .WEDNESDAY NIGHT...East winds less than 10 knots becoming south. A chance of showers in the evening, then showers likely overnight. .THURSDAY...South winds 10 knots or less becoming west. Showers likely. .FRIDAY...North winds 10 knots or less becoming east. A chance of showers. .SATURDAY...Southeast winds 5 to 15 knots becoming south. A chance of showers during the day, then showers likely Saturday night. Winds and waves higher in and near thunderstorms. $$