FZUS61 KBUF 090801 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 401 AM EDT Fri May 9 2025 SLZ022-024-091500- Saint Lawrence River from Cape Vincent to Saint Regis 401 AM EDT Fri May 9 2025 .TODAY...Northeast winds 5 to 10 knots. A chance of showers. Rain late. .TONIGHT...North winds 10 knots or less. Rain. .SATURDAY...Northwest winds 5 to 10 knots. A chance of showers in the morning. .SATURDAY NIGHT...Northwest winds 5 to 10 knots becoming north. Becoming mainly clear. .SUNDAY...North winds 10 knots or less becoming south. Mainly clear. .MONDAY...Southwest winds 5 to 10 knots. Mainly clear. .TUESDAY...Southwest winds 10 knots or less becoming south. Partly to mostly cloudy. $$