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: 956 PM EDT Sat Jun 13 2026




Rest Of Tonight: Southwest winds 10 to 15 knots veering to the northwest after midnight, then becoming north 5 to 10 knots early in the morning. Partly cloudy this evening becoming mostly cloudy. A slight chance of showers and thunderstorms this evening, then showers likely and a chance of thunderstorms after midnight. Waves 2 feet or less.

Sunday: North winds 5 to 10 knots increasing to 10 to 15 knots in the late morning and early afternoon, then diminishing to 5 to 10 knots early in the afternoon. Mostly cloudy until late afternoon becoming partly cloudy. Rain showers likely in the morning. A slight chance of thunderstorms. A chance of showers in the afternoon. Waves 2 feet or less.

Sunday Night: North winds 5 to 10 knots backing to the northwest in the late evening and early morning, then becoming west 10 to 15 knots after midnight. Mostly clear. A slight chance of showers early in the evening. Waves 2 feet or less.

Monday: West winds 10 to 15 knots. Sunny. Waves 2 feet or less.

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







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

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