| NWS Forecast for: Harbor Beach to Port Sanilac MI (LHZ442) Issued by: National Weather Service Detroit/Pontiac, MI Last Update: 345 AM EDT Fri Aug 14 2026 | |
| Today: Light and variable winds becoming north 10 to 15 knots. Mostly sunny. Waves 2 feet or less. Tonight: Northeast winds 10 to 15 knots becoming east 5 to 10 knots after midnight. Partly cloudy. Waves 2 feet or less. Saturday: East winds 5 to 10 knots. Mostly sunny early in the morning becoming partly cloudy. Waves 2 feet or less. Saturday Night: East winds 5 to 10 knots becoming southeast 10 to 15 knots in the late evening and overnight. Mostly cloudy. A chance of showers after midnight. 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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