| 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: 355 PM EDT Mon Mar 16 2026 |  |
Tonight: Northwest winds to 30 knots increasing to 35 knot gales in the late evening and early morning, then diminishing to 30 knots early in the morning. Mostly cloudy with isolated light snow showers. Heavy freezing spray. Waves 8 to 12 feet. Waves occasionally around 15 feet. Tuesday: Northwest winds to 30 knots with gusts to 35 knot gales becoming west 15 to 20 knots. Partly cloudy until late afternoon becoming mostly cloudy. Isolated light snow showers early in the morning. Heavy freezing spray early in the morning. Waves 6 to 9 feet subsiding to 3 to 5 feet early in the afternoon. Waves occasionally around 12 feet. Tuesday Night: West winds 15 to 20 knots diminishing to 10 to 15 knots in the late evening and overnight. Partly cloudy until early morning becoming mostly cloudy. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late evening and overnight. Wednesday: South winds 15 to 20 knots increasing to 20 to 25 knots in the late morning and afternoon. Mostly cloudy. Waves 3 to 5 feet. Waves occasionally around 7 feet. 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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