Coastal Waters Forecast for Harbor Beach to Port Sanilac MI (LHZ442) (Text-Only)
NWS Forecast for: Harbor Beach to Port Sanilac MI (LHZ442)
Issued by: National Weather Service Detroit/Pontiac, MI
Last Update: 939 AM EDT Sat Apr 11 2026


Rest Of Today: North winds 5 to 10 knots veering to the east late in the afternoon. Sunny. Waves 2 feet or less.

Tonight: Southeast winds 5 to 10 knots increasing to 10 to 15 knots after midnight. Mostly clear until early morning becoming mostly cloudy. A chance of showers after midnight. Waves 2 feet or less.

Sunday: Southeast winds 15 to 20 knots. Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Waves 2 to 4 feet.

Sunday Night: Southwest winds 15 to 20 knots. A chance of showers until early morning, then showers after midnight. Waves 2 to 4 feet.

see lake huron open lake forecast for days 3 through 5.







Zone Forecast: Harbor Beach to Port Sanilac MI (LHZ442)

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