


Great Lakes Forecast
Issued by NWS
Issued by NWS
225 FZUS61 KBUF 142002 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 402 PM EDT Sat Jun 14 2025 SLZ022-024-150300- Saint Lawrence River from Cape Vincent to Saint Regis 402 PM EDT Sat Jun 14 2025 .TONIGHT...Northeast winds 5 to 10 knots becoming light and variable. Patchy fog late. .SUNDAY...Northeast winds 10 knots or less becoming north. Mostly sunny. .SUNDAY NIGHT...Northeast winds less than 10 knots. Mainly clear in the evening, then becoming partly cloudy. .MONDAY...Light and variable winds. Mostly sunny. .MONDAY NIGHT...Southwest winds less than 10 knots. Partly to mostly cloudy. .TUESDAY...South winds 5 to 10 knots. A chance of showers. .WEDNESDAY...Southwest winds 5 to 10 knots becoming south. Showers likely with a chance of thunderstorms. .THURSDAY...Southwest winds 5 to 15 knots becoming west. Showers with a chance of thunderstorms. Winds and waves higher in and near thunderstorms. $$