Orange County high-surf advisory warns of 6- to 10-foot breakers through Tuesday

A Sunday update keeps two coastal advisories in place

The National Weather Service office in San Diego updated its coastal hazard message at 12:42 p.m. PDT Sunday, September 6, and kept both a High Surf Advisory and a Coastal Flood Advisory in effect for Orange County and San Diego County coastal areas through 11 p.m. Tuesday. The same message warns of strong rip and longshore currents, dangerous conditions for swimming and surfing, beach erosion and minor flooding where high surf meets high astronomical tides. This is an active forecast, not a report that every beach or road is already flooded.

Beach orientation changes the wave forecast

NWS expects breaking waves of 6 to 10 feet at south- and southwest-facing beaches, with 4- to 7-foot breakers at west-facing beaches. The advisory does not publish a beach-by-beach Orange County list, identify a particular city as the hardest hit or guarantee that every set will reach the top of those ranges. A calmer-looking access point is not proof of safer water: wave timing, local sandbars, jetties and shoreline shape can concentrate currents or shore break. Check the current surf-zone forecast and ask an on-duty lifeguard about the exact stretch of beach before entering.

The coastal-flood risk is focused on low-lying access

The weather service says seawater may reach low-lying lots, parks and roads, with isolated road closures possible. Drivers and cyclists should allow extra time, obey barricades and turn around rather than crossing water of unknown depth. Beach visitors should keep equipment, phones and vehicles out of areas where an incoming tide or large set could cut off the exit route. Protecting property does not justify stepping into moving water or approaching the surf edge during a large set.

Strong currents should change an ocean-workout decision

NWS tells inexperienced swimmers to remain out of the water under these conditions. The United States Lifesaving Association adds that rip currents can carry even strong swimmers away from shore and recommends swimming only in a lifeguard-protected area, consulting the lifeguard first and never swimming alone. A pool workout, indoor cardio session or land-based recovery day is a reasonable substitute when the planned ocean session cannot be moved to a confirmed safer time and place. Fitness experience on land does not translate into control over a fast current.

If a rip current takes hold, conserve energy and signal

Rip currents pull people away from shore rather than under the water. USLA advises against swimming directly into the current. Instead, relax, float or tread water if needed, try to move out of the current in a direction following the shoreline or toward breaking waves, and then angle back toward shore. Yell and wave if you cannot make progress. A bystander should alert a lifeguard or call 911 and throw something that floats if available; entering the water without flotation can create a second victim.

Recheck the warning before leaving home and at the sand

Forecasts, tide timing, closures and lifeguard instructions can change before Tuesday night. Start with the current NWS San Diego hazard page or Newport Beach point forecast, then verify posted signs and instructions at the actual access point. Do not rely on a saved screenshot or this article as a live beach-status feed. The weather advisories also address a different hazard from Los Angeles County’s current bacteria-based water-contact warnings: safe water quality does not cancel dangerous surf, and safer-looking surf does not cancel a posted water-quality notice. Call 911 for a person in immediate danger, a water rescue or a life-threatening injury. NOCTI publishes educational safety information and does not replace local emergency services, lifeguards or medical care.

Sources

• National Weather Service San Diego: combined High Surf and Coastal Flood Advisory, updated September 6, 2026 ↗
• National Weather Service: Newport Beach point forecast and active hazard links ↗
• National Weather Service San Diego: Orange and San Diego County marine and surf forecasts ↗
• National Weather Service: dangerous-current definitions and response steps ↗
• United States Lifesaving Association: rip-current safety guidance ↗