Saginaw Bay
About Bay City State Park
A shallow Saginaw Bay beach beside Tobico Marsh that often warms early in summer.
Bay City State Park is a state park on Lake Huron in Bay County. Its report combines a local three-day weather forecast with the nearest relevant, recent NOAA lake observation, Michigan BeachGuard status, a matched NWS Surf Zone Forecast, and relevant NWS land or marine alerts.
How to read this page
The Beach Day Score compares day-trip potential, not whether entering the water is appropriate. It is N/A unless the required weather values and both water temperature and wave height are present, with the NOAA observation no more than six hours old. Daily ranking also requires explicit low NWS swim risk and no matched official alert. Open the named sources, judge the station distance, and reassess the posted flag and shoreline conditions when you arrive.
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