Tsunami advisory issued for California coast

UPDATE at 10:56: Forecast initial wave height in Half Moon Bay is 3.3 ft, shortly before forecast arrival in San Francisco at 1:26pm today.

A tsunami advisory (low-level warning) has been issued for the coastal areas along California. The tsunami is expected reach San Francisco at 1:26pm, and the San Mateo coast shortly before that.

Significant widespread inundation is not expected for areas under an advisory.  Tsunami advisories mean that a tsunami capable of producing strong currents or waves dangerous to persons in or very near the water is imminent or expected.   

Currents may be hazardous to swimmers, boats, and coastal structures and may continue for several hours after the initial wave arrival.