( CNN ) -- The oil spill in the Gulf of Mexico has coastal states and visitors bureaus working hard to keep the public updated and reassure beach-bound travelers . Here are some of the latest updates from destinations affected by the oil disaster : . Northwest Florida . Oil has affected sections of Pensacola Beach and Perdido Key beaches , according to the Pensacola Bay Area Convention and Visitors Bureau . Photos from the area showed patches of dark , syruplike oil on the white sand , but local officials said cleanup crews are ready to respond to the oil . Beaches on Perdido Key and Santa Rosa Island are open for swimming , according to the bureau 's website . `` We are all heartbroken and concerned about recent impacts from the Deepwater Horizon incident but rest assured the situation on our beaches remains dynamic , '' said Ed Schroeder , director of Visit Pensacola , in a statement on the bureau 's website . A health advisory for parts of Pensacola Beach has been withdrawn , according to the Escambia County Health Department . iReport : Share your photos of affected beaches . The Okaloosa County Health Department has withdrawn a health advisory issued last week for Destin beaches . `` The oil impacts on our beaches are intermittent and can change within hours or within a day due to the dynamic nature of the currents and changing wind directions , '' the department 's website said . The department does urge visitors to avoid entering the water when oil is present . The beaches of south Walton County are open , according to a weekend update on the website for the area 's Tourist Development Council . Small tar balls have been reported on several area beaches , the site said . Meanwhile , small scattered tar balls and oil patches have affected Panama City Beach , but the beaches and water are open , the area 's visitors bureau website said . iReport : A slick trip to Perdido Key . Tar balls , tar patties and tar mousse -- a puddinglike oil-water mixture -- continue to be found in northwest Florida between Escambia and Walton counties , with the heaviest effects reported in Escambia County , according to Visit Florida , the state 's tourism corporation . Gulf Islands National Seashore . All of the Gulf Islands National Seashore sites , which are in Florida and Mississippi , are open , the National Park Service 's website said . But several spots have been affected by the oil spill , and a public health advisory is in effect parkwide . `` If you see or smell oil in the water or on the beach , avoid contact with water and report it to the nearest lifeguard or park ranger , '' the park service 's website said . Coastal Alabama . Gulf Shores and Orange Beach have experienced significant oiling , according to the Alabama Gulf Coast Convention and Visitors Bureau . `` The beaches are open and visitors are still welcome to sunbathe and walk the beach , but we strongly suggest they swim in a pool or enjoy our many off-beach activities , '' the site said . The Alabama Department of Public Health has issued an advisory against swimming in waters off Gulf Shores , Orange Beach and Fort Morgan , and in bay waters close to Fort Morgan , Bayou St. John , Terry Cove , Cotton Bayou and Old River . Last week , the department also issued a no-swimming advisory for Dauphin Island and the Mississippi Sound . Grand Isle , Louisiana . The oil 's biggest impact in Louisiana is on the portion of the coast from the mouth of the Mississippi River extending east , according to a state emergency website . `` Most of the Louisiana Gulf Coast , 70 percent , is unaffected by the oil spill and remains open for commercial and recreational fishing , '' according to the Cajun Coast Visitors and Convention Bureau website . Grand Isle has closed its public beach , the site said .
No-swimming notice withdrawn for Destin , Florida , beaches . Oil affects sections of Pensacola Beach and Perdido Key beaches in Florida . Some waters closed to swimming because of emulsified oil along the shoreline . The Coast Guard has issued a no-swim advisory for parts of Pensacola, Florida, including the beach where the Deepwater Horizon rig exploded on April 20.