| NWS Forecast for: Harbor Beach to Port Sanilac MI (LHZ442) Issued by: National Weather Service Detroit/Pontiac, MI Last Update: 323 AM EDT Fri Aug 28 2026 |  |
| Today: North winds 5 to 10 knots veering to the northeast late in the afternoon. Sunny. Waves 2 feet or less. Tonight: East winds 5 to 10 knots becoming south 10 to 15 knots in the late evening and overnight. Mostly clear. Waves 2 feet or less. Saturday: Southwest winds 10 to 15 knots. Mostly sunny until late afternoon becoming partly cloudy. Waves 2 feet or less. Saturday Night: Southwest winds 10 to 15 knots diminishing to 5 to 10 knots after midnight. Partly cloudy early in the evening becoming mostly cloudy. Waves 2 feet or less. see lake huron open lake forecast for days 3 through 5. | |
| Zone Forecast: Harbor Beach to Port Sanilac MI (LHZ442) | |
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