Hurricane Earl is expected to arrive in Midcoast and Down East Maine later Friday night and in advance of the storm’s expected high waves and winds, Acadia National Park is taking steps to keep the public safe.

The National Weather Service is predicting sustained winds of 30 to 40 mph, with winds expected to peak between 4 a.m. and noon Saturday. Breaking waves are expected to peak Saturday at 10 to 15 feet and the storm surge is expected to peak at 1 to 3 feet above the mean sea level along the coast and in low-lying areas. A tropical storm warning is in effect for coastal Hancock and Washington counties while a tropical wind watch remains in effect for interior Hancock County and central and norther Washington County.

As a precautionary measure, Acadia will close Blackwoods and Seawall campgrounds on MDI, as well as Duck Harbor Campground on Isle au Haut Friday at 5 p.m. As a result, all campers will be required to vacate their sites.

The following road closures will also be in effect at 9 p.m. Friday:

– Park Loop Road from the Sand Beach entrance station to the paved entrance for Wildwood Stables.

– The south end of Schooner Head Road, also known as Great Head Road.

– All park roads at Schoodic.

The Islesford Museum on Little Cranberry Island will be closed on Saturday, Sept. 4.

All park closures will remain in effect until further notice, and until park officials determine that conditions are safe, according to a press release.