FZUS61 KBUF 021402 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 1002 AM EDT Wed Jul 2 2025 SLZ022-024-022100- Saint Lawrence River from Cape Vincent to Saint Regis 1002 AM EDT Wed Jul 2 2025 .THIS AFTERNOON...Southwest winds 5 to 10 knots. Sunny. .TONIGHT...Southwest winds 10 knots or less. Mainly clear through the early overnight, then becoming mostly cloudy. .THURSDAY...Southwest winds 10 knots or less becoming northwest. Showers likely in the morning, then showers likely with a chance of thunderstorms in the afternoon. .THURSDAY NIGHT...Northwest winds 10 knots or less. A chance of showers and thunderstorms in the evening. .FRIDAY...Northwest winds 10 knots or less becoming southwest. Mainly clear, then becoming partly cloudy. .SATURDAY...Southwest winds 10 knots or less. A chance of showers Saturday night. .SUNDAY...Southwest winds 5 to 10 knots. A chance of showers and thunderstorms. Winds and waves higher in and near thunderstorms. $$