603
SXUS83 KGRR 291437
OMRGRR

Other Marine Reports
National Weather Service Grand Rapids MI
1030 AM EDT Fri Aug 29 2025

Lake Michigan Beach Reports
                               Water      Wave        Flag
Location                       Temp       Height      Color
Ludington State Park           52 F       1 ft        GREEN
Mears State Park (Pentwater)   54 F       0 ft        GREEN
Duck Lake State Park           60 F       1 ft        GREEN
Muskegon State Park            62 F       1 ft        GREEN
P.J. Hoffmaster State Park     60 F       1 ft        GREEN
Grand Haven State Park         57 F       0 ft        GREEN
Holland State Park             65 F       2 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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