FZUS61 KBUF 240802 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 402 AM EDT Fri Oct 24 2025 SLZ022-024-241500- Saint Lawrence River from Cape Vincent to Saint Regis 402 AM EDT Fri Oct 24 2025 .TODAY...West winds 10 knots or less. A chance of rain showers through early afternoon. .TONIGHT...Northwest winds 10 knots or less. Partly cloudy. .SATURDAY...Northwest winds less than 10 knots becoming west. Partly sunny in the morning, then becoming mostly cloudy. .SATURDAY NIGHT...Northwest winds less than 10 knots. Mostly cloudy. .SUNDAY...North winds less than 10 knots. Partly to mostly cloudy. .MONDAY...Northeast winds 10 knots or less. Partly cloudy. .TUESDAY...Northeast winds 10 knots or less. Partly cloudy. $$