


Other Marine Products
Issued by NWS Grand Rapids, MI
Issued by NWS Grand Rapids, MI
189 SXUS83 KGRR 231515 OMRGRR Other Marine Reports National Weather Service Grand Rapids MI 1115 AM EDT Sat Aug 23 2025 Lake Michigan Beach Reports Water Wave Flag Location Temp Height Color Ludington State Park 62 F 4 ft Red Duck Lake State Park 58 F 4 ft Red Muskegon State Park 62 F 4 ft Red Grand Haven State Park 57 F 4 ft Red 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 $$