| NWS Forecast for: Harbor Beach to Port Sanilac MI (LHZ442) Issued by: National Weather Service Detroit/Pontiac, MI Last Update: 313 AM EDT Tue Aug 11 2026 | |
Today: Light and variable winds becoming northeast 5 to 10 knots in the afternoon. Mostly sunny in the morning becoming partly cloudy. Waves 2 feet or less. Tonight: East winds 5 to 10 knots until early morning becoming light and variable. Partly cloudy. Waves 2 feet or less. Wednesday: Light and variable winds becoming south 5 to 10 knots in the late morning and early afternoon, then backing to the northeast early in the afternoon. Mostly sunny. A chance of showers and thunderstorms early in the afternoon. Waves 2 feet or less. Wednesday Night: North winds 5 to 10 knots early in the evening becoming light and variable, then becoming north 5 to 10 knots after midnight. Partly cloudy. A chance of showers and thunderstorms early in the evening. 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) | |
Visit your local NWS office at: https://www.weather.gov/dtx |