| NWS Forecast for: Port Sanilac to Port Huron MI (LHZ443) Issued by: National Weather Service Detroit/Pontiac, MI Last Update: 1002 PM EDT Wed Sep 24 2025 | |
| Rest Of Tonight: East winds 5 to 10 knots. Mostly cloudy. A slight chance of thunderstorms and isolated showers this evening, then scattered showers after midnight. A slight chance of waterspouts. Waves 2 feet or less. Thursday: North winds 5 to 10 knots. Mostly cloudy until late afternoon becoming partly cloudy. Patchy dense fog early in the morning. A slight chance of waterspouts until late afternoon. Scattered showers early in the morning. Isolated showers in the late morning and early afternoon, then scattered showers early in the afternoon. Waves 2 feet or less. Thursday Night: Northwest winds 5 to 10 knots backing to the west after midnight. Mostly clear. Isolated showers early in the evening. Waves 2 feet or less. Friday: West winds 5 to 10 knots backing to the southeast early in the afternoon. Partly cloudy early in the morning then clearing. Waves 2 feet or less. 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 |