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Coastal flood advisory issued for Orange County Coast and San Diego County Coastal Areas from Monday to Wednesday

August 9, 2026

Orange County Coast and San Diego County Coastal Areas are the focus of a coastal flood advisory released at 12:24 p.m. on Sunday by the National Weather Service. The advisory is valid from Monday 6 p.m. until Wednesday Aug. 12, at 11 p.m.

“Minor coastal flooding expected during the evening high tides,” the NWS San Diego CA said. “High tides of 7.2 to 7.5 will peak each evening between 7:30 p.m.-10 p.m. due to astronomical high tides.”

“Flooding of low-lying parking lots, parks, and roads,” according to the NWS. “If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.”

Breaking down weather alerts: advisories, watches, and warnings

Flash flood warning: Take action.

A flash flood warning is issued when a flash flood is either imminent or already occurring. In flood-prone areas, it’s crucial to move immediately to higher ground. A flash flood is a sudden and violent inundation that can develop within minutes to hours, and it can even happen in areas not currently experiencing rainfall.

Flood warning: Take action.

A flood warning is issued when flooding is imminent or occurring.

Flood advisory: Be aware.

A flood advisory is released when flooding is not expected to reach a severity level necessitating a warning. Nonetheless, it can still cause considerable inconvenience and, without exercising caution, potentially lead to situations that threaten life and/or property.

Flood watch: Be prepared.

A flood watch is issued when conditions are favorable for flooding. It does not mean flooding will occur, but it is possible.

When floods strike: Guidelines from the NWS for your protection

Floods can pose a significant threat, especially if you live in a flood-prone area or find yourself camping in a low-lying region. To ensure your safety, the NWS offers essential flood safety guidelines:

Move to higher ground:

If you’re in a flood-prone area, or if you’re camping in a low-lying spot, move to higher ground as a first step.

Follow evacuation orders:

If local authorities issue an evacuation order, heed it promptly. Prior to leaving, secure your home by locking it.

Disconnect utilities and appliances:

If time permits, disconnect your utilities and appliances. This precaution minimizes electrical hazards during flooding.

Avoid basements and submerged areas:

Steer clear of basements or rooms where water has submerged electrical outlets or cords. This helps prevent electrical accidents.

Evacuate promptly for safety:

If you notice sparks or hear buzzing, crackling, snapping, or popping noises, evacuate immediately. Avoid any water that may be charged with electricity.

Refrain from walking in floodwaters:

Never attempt to walk through floodwaters. Even just 6 inches of swiftly moving water can forcefully knock you off your feet.

Seek high ground if trapped:

Should you become trapped by moving water, reach the highest point possible and dial 911 to contact emergency services.

When heavy rain occurs, there is a potential for flooding, particularly in areas that are low-lying or prone to floods. It is crucial to never drive through water on the road, even if it appears shallow. According to the NWS, as little as 12 inches of fast-flowing water can carry away most vehicles. Prioritize your safety by staying informed and prepared.

For more local weather alerts, visit our Weather Advisory page

Coastal flood advisory issued for Orange County Coast and San Diego County Coastal Areas from Monday to Wednesday Orange County Register

News Details

Coastal flood advisory issued for Orange County Coast and San Diego County Coastal Areas from Monday to Wednesday

Breaking down weather alerts: advisories, watches, and warnings

When floods strike: Guidelines from the NWS for your protection

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