tsunami adv 0115A tsunami advisory went into effect this morning for the entire California coast, including the San Francisco Bay and Sonoma Coast. An undersea volcano in the Tongan islands erupted shortly before 8:30 PM PST last night, according to the U.S. Geological Survey. The Advisory was issued at 7:28 AM this morning by the National Tsunami Warning Center. Wave surges of one to three feet are expected to impact the San Francisco Bay starting around 8:10 AM. The National Weather Service says tsunami waves will arrive in pulses throughout the day. Avoid venturing onto the immediate coastline today as waves can unexpectedly rise far up onto the beach.

Dangerous currents, riptides and sneaker waves are also highly likely.

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thumbnail FirstNews logoA weekday early morning podcast that offers a first look at the top local news stories and weather forecast you need to start your day.

Sonoma County news stories featuring the latest in breaking news, county government, elections, environment, cultural happenings, and updates on your communities, from Petaluma to Cloverdale, and from Sonoma to Bodega Bay, and everyplace in between.

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