FZUS61 KBUF 262033 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 433 PM EDT Fri Jul 26 2024 SLZ022-024-270315- Saint Lawrence River from Cape Vincent to Saint Regis 433 PM EDT Fri Jul 26 2024 .TONIGHT...West winds 10 knots or less becoming southwest. Mainly clear. .SATURDAY...Light and variable winds becoming southwest 5 to 10 knots. Sunny. .SATURDAY NIGHT...Southwest winds 5 to 10 knots becoming light and variable. Mainly clear. .SUNDAY...Light and variable winds becoming southwest 5 to 10 knots. Sunny. .SUNDAY NIGHT...Southwest winds less than 10 knots. Mainly clear. .MONDAY...South winds 10 knots or less. Mostly sunny. .TUESDAY...South winds 10 knots or less. A chance of showers and thunderstorms. .WEDNESDAY...South winds 10 knots or less. Showers likely with a chance of thunderstorms. Winds and waves higher in and near thunderstorms. $$