| NWS Forecast for: Harbor Beach to Port Sanilac MI (LHZ442) Issued by: National Weather Service Detroit/Pontiac, MI Last Update: 1013 AM EDT Sat Sep 19 2026 |  |
Rest Of Today: Southeast winds 10 to 15 knots. Mostly cloudy with a slight chance of showers. Waves 1 to 3 feet. Tonight: Southeast winds 10 to 15 knots. Cloudy. A slight chance of showers early in the evening, then a chance of showers in the late evening and early morning. Showers likely after midnight. Waves 1 to 3 feet. Sunday: Northeast winds 10 to 15 knots increasing to 15 to 20 knots in the late morning and afternoon. Mostly cloudy with a chance of showers early in the morning, then partly cloudy in the late morning and afternoon. Waves 1 to 3 feet building to 3 to 5 feet in the late morning and afternoon. Waves occasionally around 7 feet. Sunday Night: Northeast winds 20 to 25 knots. Partly cloudy. Waves 5 to 7 feet. Waves occasionally around 10 feet. small craft advisory conditions are expected to continue beyond the forecast period. Please refer to the open lakes forecast for more information. see lake huron open lake forecast for days 3 through 5. | |
| Zone Forecast: Harbor Beach to Port Sanilac MI (LHZ442) | |
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