


Great Lakes Forecast
Issued by NWS
Issued by NWS
362 FZUS61 KBUF 012002 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 402 PM EDT Tue Jul 1 2025 SLZ022-024-020300- Saint Lawrence River from Cape Vincent to Saint Regis 402 PM EDT Tue Jul 1 2025 .TONIGHT...Southwest winds 10 knots or less. Partly cloudy early, then becoming mainly clear. .WEDNESDAY...Southwest winds 10 knots or less. Sunny. .WEDNESDAY NIGHT...Southwest winds 10 knots or less. Mainly clear in the evening, then becoming partly cloudy. .THURSDAY...Southwest winds 10 knots or less becoming west. A chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. .THURSDAY NIGHT...Northwest winds 5 to 10 knots becoming light and variable. A chance of showers and thunderstorms in the evening. .FRIDAY...Northwest winds less than 10 knots. Mainly clear. .SATURDAY...South winds 10 knots or less becoming southwest. Partly to mostly cloudy. .SUNDAY...Southwest winds 5 to 10 knots. A chance of showers and thunderstorms. Winds and waves higher in and near thunderstorms. $$