Michigan › Manitou Passage State Underwater Preserve

Sleeping Bear Dunes National Lakeshore

Small Craft Advisory issued September 20 at 2:33AM EDT until September 21 at 2:00AM EDT by NWS Gaylord MI

2:33 AM — 10:45 AM

* WHAT...Highest gusts up to 30 kts from the northeast and highest waves around 4 feet expected. * WHERE...Portions of Lake Huron and Lake Michigan. * WHEN...From 11 AM Sunday to 2 AM EDT Monday. * IMPACTS...Conditions will be hazardous to small craft.

South Manitou Group Campground

From Recreation.gov

South Manitou Island group sites will be closed due to construction in 2026.

Platte River Campground

From Recreation.gov

The Ironman Michigan triathlon will be taking place **Sunday, September 20, 2026.** The bike course takes place on M-22 and will have significant impact on local traffic. M-22 will be closed from 8:30 am to approximately 2 pm between the City of Frankfort and Esch Road. * **To avoid road closures, arriving campers should not arrive before the scheduled check-in time of 2 pm.** * **To avoid road closures, departing campers should exit by 8:30 am via Deadstream Road, Platte Road, or M-22 northbound. Southbound M-22 will be closed.**

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Campgrounds

Bay Campground - South Manitou Island D. H. Day Campground Group Campground D.h. Day Campground D.h. Day Group Campground Platte River Campground Popple Campground - South Manitou Island South Manitou Group Campground Village Campground - North Manitou Island Weather Station Campground - South Manitou Island White Pine Backcountry Campground Permits

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