National Weather Service Marine Forecast FZUS61 KBUF

FZUS61 KBUF 170211
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
1011 PM EDT Thu Apr 16 2026

SLZ022-024-170900
Saint Lawrence River from Cape Vincent to Saint Regis 1011 PM EDT Thu Apr 16 2026

OVERNIGHT
West winds less than 10 knots becoming north. A chance of showers. Patchy fog.

FRIDAY
North winds less than 10 knots becoming northeast. Mostly cloudy through early afternoon, then becoming partly sunny.

FRIDAY NIGHT
Northeast winds less than 10 knots. Mainly clear in the evening, then becoming partly cloudy.

SATURDAY
Southeast winds 5 to 15 knots becoming south. A chance of showers in the afternoon.

SATURDAY NIGHT
South winds 10 to 15 knots becoming southwest. Showers.

SUNDAY
West winds 5 to 15 knots becoming northwest. Rain showers during the day, then a chance of rain showers Sunday night.

MONDAY
Northwest winds 10 knots or less becoming southwest. Partly cloudy, then becoming mainly clear.

TUESDAY
South winds 5 to 15 knots becoming southwest. A chance of rain showers.