| NWS Forecast for: Port Sanilac to Port Huron MI (LHZ443) Issued by: National Weather Service Detroit/Pontiac, MI Last Update: 1003 PM EDT Wed Sep 17 2025 |  |
| Rest Of Tonight: Light and variable winds. Mostly clear. Waves 2 feet or less. Thursday: West winds 5 to 10 knots becoming north 10 to 15 knots in the late morning and afternoon. Mostly sunny. Waves 2 feet or less. Thursday Night: North winds 15 to 20 knots becoming northeast 10 to 15 knots in the late evening and overnight. Partly cloudy. A slight chance of showers early in the evening. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. Friday: Northeast winds 10 to 15 knots becoming north 15 to 20 knots early in the afternoon. Partly cloudy until late afternoon then clearing. Waves 1 to 3 feet building to 2 to 4 feet early in the afternoon. see lake huron open lake forecast for days 3 through 5. | |
| Zone Forecast: Port Sanilac to Port Huron MI (LHZ443) | |
Visit your local NWS office at: https://www.weather.gov/dtx |