| NWS Forecast for: Harbor Beach to Port Sanilac MI (LHZ442) Issued by: National Weather Service Detroit/Pontiac, MI Last Update: 952 AM EDT Sun Sep 20 2026 | |
Rest Of Today: Northeast winds 10 to 15 knots becoming north 15 to 20 knots late in the afternoon. Partly cloudy late in the morning becoming mostly cloudy. Waves 1 to 3 feet building to 3 to 5 feet late in the afternoon. Waves occasionally around 7 feet. Tonight: Northeast winds 20 to 25 knots. Partly cloudy until early morning becoming mostly cloudy. Waves 5 to 7 feet. Waves occasionally around 10 feet. Monday: Northeast winds 20 to 25 knots diminishing to 15 to 20 knots in the late morning and afternoon. Mostly cloudy until late afternoon becoming partly cloudy. Waves 4 to 6 feet. Waves occasionally around 8 feet. Monday Night: Northeast winds 20 to 25 knots becoming east 15 to 20 knots after midnight. Mostly cloudy until early morning becoming partly cloudy. Waves 4 to 6 feet. Waves occasionally around 8 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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