| NWS Forecast for: Harbor Beach to Port Sanilac MI (LHZ442) Issued by: National Weather Service Detroit/Pontiac, MI Last Update: 403 PM EDT Sat May 23 2026 |  |
Tonight: East winds 15 to 20 knots becoming southeast 10 to 15 knots after midnight. Cloudy. Light showers likely in the evening, then a slight chance of showers after midnight. Patchy fog. Waves 3 to 5 feet. Waves occasionally around 7 feet. Sunday: South winds 5 to 10 knots. Mostly cloudy. Patchy fog until late afternoon. A chance of showers and a slight chance of thunderstorms early in the afternoon. Waves 2 feet or less. Sunday Night: Southeast winds 5 to 10 knots early in the evening becoming light and variable. Mostly cloudy. A chance of showers early in the evening. Waves 2 feet or less. Monday: Light and variable winds becoming south 5 to 10 knots in the late morning and afternoon. Mostly cloudy early in the morning becoming mostly sunny. 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 |