| NWS Forecast for: Port Sanilac to Port Huron MI (LHZ443) Issued by: National Weather Service Detroit/Pontiac, MI Last Update: 1003 AM EDT Thu Oct 16 2025 |  |
| Rest Of Today: North winds 5 to 10 knots. Sunny. Waves 1 to 3 feet. Tonight: Northeast winds 5 to 10 knots veering to the south after midnight. Mostly clear. Waves 2 feet or less. Friday: South winds 5 to 10 knots increasing to 15 to 20 knots. Mostly cloudy. Light showers likely in the morning, then a chance of showers in the afternoon. Waves 2 feet or less. Friday Night: South winds 15 to 20 knots. Mostly cloudy with a chance of showers. Waves 1 to 3 feet building to 2 to 4 feet after midnight. see lake huron open lake forecast for days 3 through 5. | |
| Zone Forecast: Port Sanilac to Port Huron MI (LHZ443) | |
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