| NWS Forecast for: Harbor Beach to Port Sanilac MI (LHZ442) Issued by: National Weather Service Detroit/Pontiac, MI Last Update: 400 AM EDT Fri Jun 19 2026 |  |
| Today: West winds 10 to 15 knots. Mostly sunny. Scattered showers in the afternoon. Waves 2 feet or less. Tonight: Northwest winds 10 to 15 knots becoming west 5 to 10 knots in the late evening and overnight. Mostly clear. Waves 2 feet or less. Saturday: Southwest winds 5 to 10 knots backing to the southeast early in the afternoon. Partly cloudy. A chance of showers in the late morning and afternoon. A chance of thunderstorms early in the afternoon. Waves 2 feet or less. Saturday Night: Light and variable winds. Partly cloudy. A chance of showers and thunderstorms early in the evening. 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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