Mexico Bay NY to the St. Lawrence River Marine Forecast
Updated 10:03pm EDT Aug 26, 2026
Overnight
Southeast winds 10 to 15 knots becoming south 15 to 20 knots. Partly cloudy. Waves 1 foot or less building to 1 to 3 feet.
Thursday
South winds 15 to 20 knots becoming southwest. A chance of showers in the morning, then showers with a chance of thunderstorms in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet.
Thursday Night
Southwest winds 5 to 15 knots becoming northwest. A chance of showers and thunderstorms in the evening, then a chance of showers overnight. Waves 1 to 3 feet.
Friday
North winds 5 to 10 knots becoming northwest. Becoming mostly sunny. Waves 2 feet or less.
Friday Night
West winds 10 knots or less becoming south.
Saturday
Southwest winds 10 knots or less becoming south.
Sunday
South winds 5 to 15 knots becoming southwest. A chance of showers Sunday night. Waves 2 feet or less.
Monday
South winds 5 to 10 knots. A chance of showers. Waves 2 feet or less.