Channel Islands National Park
Coastal Flood Advisory issued October 8 at 1:10PM PDT until October 13 at 2:00PM PDT by NWS Los Angeles/Oxnard CA
* WHAT...Minor to moderate coastal flooding expected, with isolated significant flooding possible especially on Sunday. Elevated surf and dangerous rip currents expected. * WHERE...Catalina and Santa Barbara Islands, Ventura County Beaches, Malibu Coast and Los Angeles County Beaches. * WHEN...Until 2 PM PDT Tuesday. * IMPACTS...Moderate flooding of sea water is likely over some vulnerable low-lying coastal areas, especially around the time of high tide, including over beach parking lots, bike paths, and harbor walkways. Moderate to significant beach erosion is likely. Isolated damage is possible in most vulnerable areas, such as the Alamitos Peninsula in Long Beach. There is an increased risk of ocean drowning. Rip currents can pull swimmers and surfers out to sea. Waves can wash people off beaches and rocks, and capsize small boats nearshore. * ADDITIONAL DETAILS...The greatest risk for coastal flooding is on Sunday, when extreme tides, large waves, and strong winds could all peak together. A targeted Coastal Flood Warning may be considered if future guidance increases the chance of an extreme scenario. High tides of 7.0 to 7.6 feet will be common each morning, with large secondary high tides in the evening hours.
Overview
Channel Islands National Park is open year-round and encompasses five remarkable islands off California's coast: Anacapa, Santa Cruz, Santa Rosa, San Miguel, and Santa Barbara. The park protects unique flora and fauna found nowhere else on Earth, often called the 'Galapagos of North America.' The mainland Robert J. Lagomarsino Visitor Center in Ventura Harbor operates daily 8:30am-5pm (closed Thanksgiving and Christmas). Access to the islands is exclusively via authorized boat concessionaire (Island Packers), private plane, or private vessel—there is no bridge or casual access. Weather and ocean conditions significantly impact ferry schedules, particularly during winter months when rough seas can cause cancellations. All five islands offer primitive camping year-round through NPS-managed campgrounds (reservations through Recreation.gov), though you must secure transportation before booking campsites. San Miguel Island has historically experienced trail closures due to storm damage at Nidever Canyon, so verify current access before planning trips to this most remote island. Camping is primitive with no hookups; campers must bring all water (except at some designated campgrounds with potable water), low-profile tents for wind, and extra food for weather delays. The park requires biosecurity checks to prevent invasive species introduction. Peak visitation is summer, with spring and fall offering excellent conditions and fewer crowds.
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