| NWS Forecast for: Harbor Beach to Port Sanilac MI (LHZ442) Issued by: National Weather Service Detroit/Pontiac, MI Last Update: 345 PM EDT Mon Jun 29 2026 | |
Tonight: South winds 10 to 15 knots diminishing to 5 to 10 knots early in the morning. Mostly cloudy with scattered showers in the evening, then partly cloudy after midnight. Waves 2 feet or less. Tuesday: South winds 5 to 10 knots becoming southwest 10 to 15 knots in the late morning and afternoon. Mostly sunny. Waves 2 feet or less. Tuesday Night: Southwest winds 10 to 15 knots diminishing to 5 to 10 knots in the late evening and early morning, then increasing to 10 to 15 knots after midnight. Mostly clear. Waves 2 feet or less. Wednesday: Southwest winds 10 to 15 knots. Mostly 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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