| NWS Forecast for: Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay (LHZ421) Issued by: National Weather Service Detroit/Pontiac, MI Last Update: 329 AM EDT Sat Aug 29 2026 |  |
| Today: Southwest winds 15 to 20 knots diminishing to 10 to 15 knots late in the afternoon. Mostly sunny in the morning becoming mostly cloudy. Waves 1 to 3 feet. Tonight: Southwest winds 10 to 15 knots diminishing to 5 to 10 knots in the late evening and overnight. Cloudy. A chance of showers in the late evening and overnight. Waves 2 feet or less. Sunday: South winds 10 to 15 knots. Mostly cloudy. A chance of showers early in the morning, then showers likely in the late morning and early afternoon. A chance of showers and thunderstorms early in the afternoon. Waves 2 feet or less. Sunday Night: Southeast winds 5 to 10 knots. Mostly cloudy. A chance of thunderstorms early in the evening. Light showers likely until early morning, then a chance of showers after midnight. Waves 2 feet or less. see lake huron open lake forecast for days 3 through 5. | |
| Zone Forecast: Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw Bay (LHZ421) | |
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