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: 1000 AM EST Mon Feb 16 2026


Rest Of Today: South winds 5 to 10 knots increasing to 10 to 15 knots in the afternoon. Mostly cloudy. A chance of light rain in the afternoon. Waves 2 feet or less.

Tonight: Southwest winds 10 to 15 knots becoming northwest 5 to 10 knots in the late evening and overnight. Mostly cloudy early in the evening becoming partly cloudy. Waves 2 feet or less.

Tuesday: North winds 5 to 10 knots early in the morning becoming light and variable, then becoming east 5 to 10 knots early in the afternoon. Mostly cloudy early in the morning becoming partly cloudy. Waves 2 feet or less.

Tuesday Night: East winds 5 to 10 knots increasing to 15 to 20 knots. Rain after midnight. Waves 2 feet or less.

wave heights are for ice free areas.

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







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

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