Minor flooding is affecting harbor walkways, beach parking lots, bike paths, and beaches, with more significant flooding possible in areas with little or no sandy beach. Newport Beach's Balboa Peninsula and Balboa Island have been particularly impacted, though sandbag use has helped limit damage. Rail service along the Orange County coastline has been disrupted, with Metrolink suspending service between Laguna Niguel/Mission Viejo and Oceanside stations through Friday. Residents in low-lying areas are advised to take precautions to protect their homes and vehicles.