| NWS Forecast for: Harbor Beach to Port Sanilac MI (LHZ442) Issued by: National Weather Service Detroit/Pontiac, MI Last Update: 332 AM EDT Tue Aug 25 2026 | |
| Today: Northwest winds 5 to 10 knots veering to the east late in the afternoon. Partly cloudy in the morning becoming mostly sunny. Waves 2 feet or less. Tonight: Southeast winds 5 to 10 knots becoming south 10 to 15 knots in the late evening and overnight. Partly cloudy. Waves 2 feet or less. Wednesday: South winds 10 to 15 knots. Partly cloudy. A chance of showers early in the afternoon. Waves 1 to 3 feet. Wednesday Night: Southwest winds 10 to 15 knots veering to the west after midnight. Partly cloudy. Light showers likely and a chance of thunderstorms until early morning. Waves 1 to 3 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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