PENSACOLA, Fla. — Gulf Islands National Seashore has announced some closures Tuesday as a weather system develops.

Locations in Florida and Mississippi were listed among the closures. Here’s the following locations expected to close:

FloridaFort Pickens Management Area will close for day use Oct. 7 at noonThe Fort Pickens Campground use is suspended immediately for check-inOpal Beach Complex will close for day use Oct. 7 at noonPerdido Key Management Area (Johnson Beach) will close for day use Oct. 7 at noonThe Okaloosa Area and Crab Island will close for day use Oct. 7 at noon

The Davis Bayou and Fort Pickens Campgrounds need to be evacuated by 4 p.m. on Wednesday.

Until further notice, the Naval Live Oaks and Fort Barrancas Areas will stay open. But all other programs are canceled at this time.

MississippiAll the barrier islands (Ship Island) will close for recreation immediately beginning Oct. 7.The Davis Bayou Area will close at 4 p.m. October 7. The Davis Bayou Campground use is suspended immediately for check-in.

“The area of potential impact extends from western Florida Panhandle to Louisiana along the Gulf Coast,” said the release.

Closure times may be earlier, depending upon how conditions look.