National Weather Service Marine Forecast FZUS61 KBUF

FZUS61 KBUF 141403
GLFSL

Forecast for the Saint Lawrence River
including the Thousand Islands Region
National Weather Service Buffalo NY
1003 AM EDT Tue Jul 14 2026

SLZ022-024-142100
Saint Lawrence River from Cape Vincent to Saint Regis 1003 AM EDT Tue Jul 14 2026

THIS AFTERNOON
Southwest winds 10 to 15 knots increasing to 15 to 20 knots. Mostly sunny.

TONIGHT
Southwest winds 5 to 15 knots becoming west. A chance of showers early, then showers likely with a chance of thunderstorms. A chance of showers late.

WEDNESDAY
West winds 10 knots or less becoming northwest. Partly to mostly sunny.

WEDNESDAY NIGHT
Northwest winds 10 knots or less becoming west. Partly cloudy.

THURSDAY
West winds 5 to 10 knots becoming northwest. Partly cloudy.

FRIDAY
Northwest winds less than 10 knots. Mainly clear, then becoming partly cloudy.

SATURDAY
South winds less than 10 knots becoming southwest. A chance of showers.

Winds and waves higher in and near thunderstorms.