Chart / Forecasts

Straits of Mackinac within 5 nm of Mackinac Bridge including Mackinac Island

LHZ345 · Nearshore Marine Forecast · National Weather Service Gaylord MI · Issued 459 PM EDT Sat Oct 3 2026
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Forecast
Tonight
South wind 15 to 25 knots. Slight chance of showers early in the evening, then showers after midnight. Waves 2 feet or less building to 2 to 4 feet after midnight.
Sunday
West wind 15 to 25 knots. Chance of showers. Waves 3 to 5 feet.
Sunday Night
Northwest wind 10 to 20 knots. Mostly clear. Waves 2 to 4 feet.
Monday
Northwest wind 10 to 15 knots. Sunny. Waves 2 to 3 feet. See the open lakes forecast for days 3 through 5.
Source: National Weather Service Nearshore Marine Forecast (NSH), issued 459 PM EDT Sat Oct 3 2026, valid until Sun, 04 Oct 2026 05:00 UTC. Original text · All zones