


Upper Niagara River and Buffalo Harbor Marine Forecast
Updated 10:03pm EDT Aug 26, 2026
Overnight
South winds 10 knots or less. A chance of showers late.
Thursday
Southwest winds 10 to 15 knots. Showers likely in the morning, then a chance of showers in the afternoon.
Thursday Night
West winds 10 knots or less becoming northwest.
Friday
Northwest winds 10 knots or less becoming north. Mostly cloudy in the morning, then clearing.
Friday Night
Light and variable winds. Mainly clear.
Saturday
Light and variable winds. Partly cloudy.
Sunday
Southwest winds 10 knots or less. A chance of showers Sunday night.
Monday
Southwest winds 10 knots or less. A chance of showers.