FZUS61 KBUF 262032 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 432 PM EDT Mon Aug 26 2024 SLZ022-024-270300- Saint Lawrence River from Cape Vincent to Saint Regis 432 PM EDT Mon Aug 26 2024 .TONIGHT...Southwest winds less than 10 knots. Mainly clear through the early overnight, then becoming partly cloudy. .TUESDAY...Southwest winds 10 knots or less. Mostly sunny. .TUESDAY NIGHT...Southwest winds 10 knots or less becoming west. A chance of showers and thunderstorms in the evening, then showers likely with a chance of thunderstorms overnight. .WEDNESDAY...Northwest winds 10 knots or less becoming northeast. Showers likely with a chance of thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. .WEDNESDAY NIGHT...Northeast winds 5 to 10 knots. A chance of showers and thunderstorms in the evening. .THURSDAY...Northeast winds 10 knots or less becoming east. Mainly clear, then becoming partly cloudy. .FRIDAY...Southeast winds 5 to 15 knots becoming south. A chance of showers and thunderstorms during the day, then showers likely with a chance of thunderstorms Friday night. .SATURDAY...Southwest winds 5 to 15 knots diminishing to less than 10 knots. Showers likely during the day, then a chance of showers Saturday night. Winds and waves higher in and near thunderstorms. $$