818
SXUS83 KGRR 311424
OMRGRR

Other Marine Reports
National Weather Service Grand Rapids MI
1024 AM EDT Thu Jul 31 2025

Lake Michigan Beach Reports
                               Water      Wave        Flag
Location                       Temp       Height      Color
Ludington State Park           68 F       1 ft        Green
Mears State Park (Pentwater)   70 F       1 ft        Green
Duck Lake State Park           72 F       M ft        Green
Muskegon State Park            70 F       1 ft        Green
P.J. Hoffmaster State Park     70 F       1 ft        Green
Grand Haven State Park         64 F       0 ft        Green
Holland State Park             66 F       3 ft        Yellow

Disclaimer
These observations are reported during the morning hours and
may not be representative of conditions later in the day.

Flag Definitions
Green:  OK to swim
Yellow: Caution is urged
Red:    Hazardous to swim

Safety Information
Multiple beach hazards can develop when winds and waves increase.
Multiple hazards include large waves, structural currents, rip
currents and longshore currents.

The latest swim hazard risk can be obtained from the following
website: www.weather.gov/greatlakes/beachhazards

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