| NWS Forecast for: Harbor Beach to Port Sanilac MI (LHZ442) Issued by: National Weather Service Detroit/Pontiac, MI Last Update: 334 AM EDT Wed Mar 25 2026 |  |
| Today: Southeast winds 5 to 10 knots becoming south 10 to 15 knots in the late morning and afternoon. Mostly cloudy. Waves 2 feet or less. Tonight: South winds 10 to 15 knots. Mostly cloudy until early morning becoming partly cloudy. Waves 1 to 3 feet. Thursday: Southwest winds 10 to 15 knots veering to the northwest early in the afternoon. Partly cloudy with a chance of showers until late afternoon, then mostly cloudy with showers likely early in the afternoon. Waves 2 feet or less. Thursday Night: North winds 15 to 20 knots increasing to 20 to 25 knots with gusts to 30 knots in the late evening and overnight. Mostly cloudy. Light showers likely early in the evening. Waves 3 to 5 feet building to 6 to 9 feet in the late evening and overnight. Waves occasionally around 12 feet. A small craft advisory may be needed. see lake huron open lake forecast for days 3 through 5. | |
| Zone Forecast: Harbor Beach to Port Sanilac MI (LHZ442) | |
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