FZUS61 KBUF 300046 GLFSL Forecast for the Saint Lawrence River including the Thousand Islands Region National Weather Service Buffalo NY 846 PM EDT Tue Apr 29 2025 SLZ022-024-300330- Saint Lawrence River from Cape Vincent to Saint Regis 846 PM EDT Tue Apr 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT WEDNESDAY... .TONIGHT...Southwest winds 15 to 20 knots becoming northwest 10 to 15 knots. Rain showers likely early, then a chance of rain showers late this evening. .WEDNESDAY...Northwest winds 5 to 15 knots becoming west. Sunny. .WEDNESDAY NIGHT...West winds 5 to 10 knots becoming light and variable. Mainly clear. .THURSDAY...Light and variable winds. Mostly sunny in the morning, then becoming mostly cloudy. .THURSDAY NIGHT...East winds 5 to 15 knots becoming south. Showers. .FRIDAY...South winds 5 to 15 knots becoming west. Showers. .SATURDAY...West winds 5 to 10 knots. A chance of rain showers. .SUNDAY...West winds 10 knots or less becoming northwest. Becoming mainly clear. $$ AR