Coastal Waters Forecast for Inner Saginaw Bay SW of Point Au Gres to Bay Port MI (LHZ422) (Text-Only)
NWS Forecast for: Inner Saginaw Bay SW of Point Au Gres to Bay Port MI (LHZ422)
Issued by: National Weather Service Detroit/Pontiac, MI
Last Update: 400 AM EDT Mon Jul 20 2026
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Today: Southwest winds 10 to 15 knots increasing to 15 to 20 knots in the afternoon. Mostly sunny in the morning becoming partly cloudy. Patchy smoke. Waves 1 to 3 feet building to 2 to 4 feet late in the afternoon.

Tonight: South winds 20 to 25 knots becoming southwest to 30 knots in the late evening and overnight. Mostly clear becoming mostly cloudy in the late evening and early morning becoming partly cloudy. A chance of showers and a slight chance of thunderstorms early in the evening, then a chance of showers and thunderstorms in the late evening and overnight. Waves 3 to 5 feet. Waves occasionally around 6 feet.

Tuesday: Southwest winds 20 to 25 knots with gusts to 30 knots becoming west 15 to 20 knots in the late morning and early afternoon, then increasing to 20 to 25 knots with gusts to 30 knots early in the afternoon. Partly cloudy. A chance of showers until late afternoon. A chance of thunderstorms in the late morning and afternoon. Light showers likely early in the afternoon. Waves 3 to 5 feet. Waves occasionally around 7 feet.

Tuesday Night: Northwest winds to 30 knots. Partly cloudy. Waves 3 to 5 feet. Waves occasionally around 7 feet.

small craft advisory conditions are expected to continue beyond the forecast period. Please refer to the open lakes forecast for more information.

see lake huron open lake forecast for days 3 through 5.







Zone Forecast: Inner Saginaw Bay SW of Point Au Gres to Bay Port MI (LHZ422)

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