O B Pier (Ocean Beach)

Ocean Beach Pier is an exposed, pier-shaped surfing spot with consistently formed waves that can break off both the north and south sides of the pier structure. Conditions are commonly described as beach-and-reef style with a sand bottom, and many sessions are centered around the mid-tide window for best shape. The spot’s hazards are closely tied to the pier environment: rocks/submerged rocks and large concrete pier pilings are a constant consideration. Rip currents around the pier pilings are also reported as common and can become especially strong when swells are larger, so swimmers and surfers should avoid complacency near the structure. Water quality is a primary concern after rain. Runoff and health advisories are noted after heavy rainfall, and a strong recommendation is to avoid the water for about 72 hours following heavy rain due to urban runoff and associated pollution risk. For wind and swell timing, reports indicate a sea-breeze pattern (typically peaking late morning through afternoon) and generally moderate winds with light gusts. For surf performance, the pier can help define channels and provide usable waves across a range of swell directions, though very large swells may lead to closeouts (around the ~3 meter range mentioned in one report). The combination of mid tide, consistent pier peaks, and accessible facilities makes this a go-to intermediate surf destination at Ocean Beach.