


Great Lakes Forecast
Issued by NWS
Issued by NWS
521 FZUS61 KBUF 262001 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 401 PM EDT Sat Apr 26 2025 SLZ022-270300- Saint Lawrence River from Cape Vincent to Ogdensburg- 401 PM EDT Sat Apr 26 2025 .TONIGHT...West winds 10 to 15 knots becoming northwest 15 to 20 knots. Rain showers. .SUNDAY...Northwest winds 15 to 20 knots becoming north 10 to 15 knots. Rain showers in the morning. .SUNDAY NIGHT...Northwest winds 5 to 10 knots becoming light and variable. Clear. .MONDAY...Light and variable winds becoming southwest 5 to 10 knots. Sunny. .MONDAY NIGHT...South winds 10 knots or less. Mainly clear in the evening, then becoming partly cloudy. .TUESDAY...South winds 10 to 15 knots becoming west. Showers and thunderstorms likely. .WEDNESDAY...Northwest winds 5 to 10 knots becoming light and variable. Partly cloudy. .THURSDAY...East winds 10 knots or less becoming southeast. Rain showers likely Thursday night. Winds and waves higher in and near thunderstorms. $$ SLZ024-270300- Saint Lawrence River from Ogdensburg to Saint Regis- 401 PM EDT Sat Apr 26 2025 .TONIGHT...West winds around 10 knots becoming northwest. Rain showers. .SUNDAY...North winds 10 to 15 knots. Rain showers in the morning. .SUNDAY NIGHT...Northwest winds 5 to 10 knots becoming light and variable. Clear. .MONDAY...Light and variable winds becoming southwest 5 to 10 knots. Sunny. .MONDAY NIGHT...Southwest winds 10 knots or less becoming south. Mainly clear in the evening, then becoming partly cloudy. .TUESDAY...South winds 10 to 15 knots becoming west. Showers and thunderstorms likely. .WEDNESDAY...Northwest winds 10 to 15 knots becoming light and variable. Partly cloudy. .THURSDAY...Light and variable winds. Rain showers likely Thursday night. Winds and waves higher in and near thunderstorms. $$