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The Islands to Vermilion OH beyond 5 nm off shoreline to US-Canadian border Marine Forecast

Updated 3:58am EDT Aug 27, 2026
Zone Map
Synopsis
West winds 10 knots or less. Waves 2 feet or less.
Today
West winds 10 knots or less becoming northeast 10 to 15 knots. A chance of waterspouts after midnight. Waves 2 feet or less.
Tonight
Northeast winds 5 to 15 knots becoming east. Waves 2 feet or less.
Friday
East winds 5 to 10 knots becoming south. Waves 1 foot or less.
Friday Night
South winds 5 to 10 knots. Waves 1 foot or less.
Saturday
Southwest winds around 10 knots. Waves 2 feet or less.
Sunday
Southwest winds 5 to 10 knots. A chance of showers during the day. Waves 1 to 2 feet.