| 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: 1000 AM EDT Mon May 18 2026 |  |
Rest Of Today: Southwest winds 15 to 20 knots. Partly cloudy. A chance of showers and thunderstorms in the afternoon. Waves 2 to 4 feet. Tonight: Southwest winds 15 to 20 knots. Mostly cloudy. Rain showers likely in the evening. A chance of thunderstorms. A chance of showers after midnight. Waves 2 to 4 feet. Tuesday: Southwest winds 20 to 25 knots. Gusts to 30 knots in the late morning and afternoon. Mostly cloudy early in the morning becoming partly cloudy. A chance of showers in the morning. A slight chance of thunderstorms. Light showers likely in the afternoon. Waves 4 to 6 feet. Waves occasionally around 8 feet. Tuesday Night: West winds 20 to 25 knots with gusts to 30 knots becoming northwest 15 to 20 knots in the late evening and overnight. Mostly cloudy until early morning becoming partly cloudy. Light showers likely early in the evening. Waves 3 to 5 feet subsiding to 2 to 4 feet after midnight. 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) | |
Visit your local NWS office at: https://www.weather.gov/dtx |