


Great Lakes Forecast
Issued by NWS
Issued by NWS
920 FZUS61 KBUF 200201 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 1001 PM EDT Sat Apr 19 2025 SLZ022-200900- Saint Lawrence River from Cape Vincent to Ogdensburg- 1001 PM EDT Sat Apr 19 2025 .REST OF TONIGHT...West winds around 10 knots becoming northwest. A chance of rain showers. .SUNDAY...Northwest winds 5 to 10 knots. Sunny. .SUNDAY NIGHT...Northwest winds 10 knots or less becoming east. Partly to mostly cloudy. .MONDAY...East winds 10 knots or less becoming southeast. Rain showers likely in the afternoon. .MONDAY NIGHT...Southeast winds 10 to 15 knots becoming southwest. Showers. .TUESDAY...Southwest winds 15 to 20 knots becoming west 5 to 15 knots. A chance of rain showers during the day. .WEDNESDAY...West winds less than 10 knots becoming south. Partly cloudy. .THURSDAY...Southwest winds 10 knots or less becoming southeast. Partly to mostly cloudy. $$ SLZ024-200900- Saint Lawrence River from Ogdensburg to Saint Regis- 1001 PM EDT Sat Apr 19 2025 .REST OF TONIGHT...West winds 10 to 15 knots becoming northwest. A chance of rain showers late this evening. .SUNDAY...Northwest winds around 10 knots. Sunny. .SUNDAY NIGHT...Northwest winds 5 to 10 knots becoming light and variable. Partly cloudy. .MONDAY...East winds 10 knots or less. A chance of rain showers in the afternoon. .MONDAY NIGHT...East winds 5 to 15 knots becoming south. Showers. .TUESDAY...Southwest winds 15 to 20 knots becoming west 5 to 15 knots. A chance of rain showers during the day. .WEDNESDAY...West winds 5 to 10 knots becoming light and variable. Partly to mostly cloudy. .THURSDAY...Southwest winds 10 knots or less becoming southeast. Partly to mostly cloudy. $$