| NWS Forecast for: Harbor Beach to Port Sanilac MI (LHZ442) Issued by: National Weather Service Detroit/Pontiac, MI Last Update: 344 PM EDT Mon Jun 15 2026 | |
| Tonight: Southwest winds 5 to 10 knots. Mostly clear. Waves 2 feet or less. Tuesday: Southwest winds 10 to 15 knots. Mostly sunny early in the morning, then a slight chance of showers in the late morning and early afternoon. Partly cloudy with showers likely and a chance of thunderstorms early in the afternoon. Waves 2 feet or less. Tuesday Night: South winds 10 to 15 knots. Becoming partly cloudy after midnight. Light showers early in the evening. A chance of thunderstorms until early morning. A chance of showers in the late evening and early morning. Waves 1 to 3 feet. Wednesday: Southwest winds 10 to 15 knots diminishing to 5 to 10 knots early in the afternoon. Partly cloudy. A chance of showers early in the afternoon. 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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