


Great Lakes Forecast
Issued by NWS
Issued by NWS
713 FZUS61 KBUF 191401 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 1001 AM EDT Sat Apr 19 2025 SLZ022-192100- Saint Lawrence River from Cape Vincent to Ogdensburg- 1001 AM EDT Sat Apr 19 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .REST OF TODAY...Southwest winds 15 to 20 knots. Showers likely with scattered thunderstorms late this morning, then scattered showers this afternoon. .TONIGHT...West winds 5 to 15 knots becoming northwest. Mostly cloudy through the early overnight, then becoming partly cloudy. .SUNDAY...Northwest winds 5 to 10 knots. Sunny. .SUNDAY NIGHT...Northwest winds 5 to 10 knots becoming light and variable. Partly to mostly cloudy. .MONDAY...East winds 10 knots or less becoming south 10 to 15 knots. A chance of rain showers during the day, then rain showers Monday night. .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. Winds and waves higher in and near thunderstorms. $$ SLZ024-192100- Saint Lawrence River from Ogdensburg to Saint Regis- 1001 AM EDT Sat Apr 19 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... .REST OF TODAY...Southwest winds 15 to 20 knots. Showers likely with scattered thunderstorms late this morning, then scattered showers this afternoon. .TONIGHT...West winds 10 to 15 knots becoming northwest. Mostly cloudy through the early overnight, then becoming partly cloudy. .SUNDAY...Northwest winds 5 to 15 knots. Sunny. .SUNDAY NIGHT...Northwest winds 5 to 10 knots becoming light and variable. Partly cloudy. .MONDAY...East winds 10 knots or less becoming south. A chance of rain showers during the day, then rain showers Monday night. .TUESDAY...Southwest winds 5 to 15 knots becoming west. A chance of rain showers during the day. .WEDNESDAY...West winds 10 knots or less becoming southwest. Partly to mostly cloudy. Winds and waves higher in and near thunderstorms. $$