SXUS83 KGRR 201434 OMRGRR Other Marine Reports National Weather Service Grand Rapids MI 1030 AM EDT Sat Jun 20 2026 Lake Michigan Beach Reports Water Wave Flag Location Temp Height Color Ludington State Park 63 F 3 ft Red Mears State Park (Pentwater) 64 F 3 ft Yellow Duck Lake State Park 65 F 2 ft Yellow Muskegon State Park 62 F 4 ft Red Saugatuck Oval Beach MM F 2 ft None 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 $$