| NWS Forecast for: Port Sanilac to Port Huron MI (LHZ443) Issued by: National Weather Service Detroit/Pontiac, MI Last Update: 334 AM EDT Fri Sep 4 2026 |  |
Today: Light and variable winds becoming southeast 5 to 10 knots early in the afternoon, then backing to the northeast late in the afternoon. Mostly cloudy. Showers likely and a slight chance of thunderstorms in the morning, then a chance of showers and a slight chance of thunderstorms in the afternoon. Patchy fog. Waves 2 feet or less. Tonight: Northeast winds 5 to 10 knots increasing to 10 to 15 knots after midnight. Partly cloudy. A slight chance of showers and thunderstorms until early morning. Waves 2 feet or less. Saturday: Northeast winds 5 to 10 knots becoming north 10 to 15 knots early in the afternoon. Partly cloudy becoming mostly sunny in the late morning and early afternoon becoming partly cloudy. Waves 2 feet or less. Saturday Night: Northeast winds 15 to 20 knots diminishing to 10 to 15 knots after midnight. Mostly clear. Waves 2 to 4 feet subsiding to 1 to 3 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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