FZUS61 KBUF 020829 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 429 AM EDT Sun Jun 2 2024 SLZ022-024-021500- Saint Lawrence River from Cape Vincent to Saint Regis 429 AM EDT Sun Jun 2 2024 .TODAY...Light and variable winds. Mostly cloudy. .TONIGHT...West winds less than 10 knots. Mostly cloudy. .MONDAY...Light and variable winds. Sunny. .MONDAY NIGHT...Light and variable winds. Mainly clear. .TUESDAY...Southwest winds less than 10 knots becoming south. Partly to mostly cloudy. .WEDNESDAY...South winds 5 to 10 knots. A chance of showers and thunderstorms during the day, then showers likely with a chance of thunderstorms Wednesday night. .THURSDAY...South winds 5 to 15 knots. Showers likely with a chance of thunderstorms. Winds and waves higher in and near thunderstorms. $$