Huge waves are expected to reach 40 feet off the coast of California, generating dangerous surf.

The National Weather Service has issued a High Surf Warning and Coastal Flood Advisory for several regions, including San Francisco, Coastal North Bay Including Point Reyes National Seashore, San Francisco Peninsula Coast, Northern Monterey Bay, Southern Monterey Bay, and Big Sur Coast Counties.

The advisory is cautioning about the presence of extremely powerful waves that can cause significant damage. These waves are expected to range between 28 to 33 feet in height, and may even reach up to 40 feet in certain areas.

The High Surf Warning will be in effect from 3 AM Thursday to 3 AM PST Friday. This indicates that the current high surf conditions will calm down on Friday, only to be followed by another significant swell arriving on Saturday.

This warning will result in minor coastal flooding, which may lead to flooding in various areas such as lots, parks, and roads. There is also a possibility of isolated road closures.

The crashing waves present a considerable danger as they have the power to sweep people off jetties and docks, plunging them into treacherous waters.


Swimmers should be aware that the current swimming conditions pose a serious risk to their lives. Furthermore, these conditions could also lead to substantial erosion of the beach.

Tidal levels are currently exceeding predictions by about 1 foot, with the high tide expected to reach its peak around 10:46 AM PST on Wednesday. During this time, it is anticipated to range between 7.0 to 7.5 feet above MLLW.

Low-lying, flood-prone areas near the San Francisco Bay could experience minor coastal flooding as a result.

Residents in the affected areas should take necessary precautions and allocate extra time for travel, as there may be road closures.

Driving around barricades or through water of unknown depth is extremely dangerous and should be avoided at all costs.

Furthermore, it is strongly advised for people to refrain from entering the water as the surf conditions pose a significant risk to their lives. It is equally important to steer clear of jetties, piers, and other structures near the water. Individuals who own properties that are prone to flooding should also take proactive measures to safeguard their belongings.

Coastal flooding along the Pacific Ocean is expected to begin on Wednesday due to the powerful southerly winds and rising surf.

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