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Special Weather Statement

Status

Issued Expired

Start Time

Wed 07/30/2025 05:27 AM EDT

End Time

Wed 07/30/2025 11:30 AM EDT

Impacts

Informational

Locations Affected

Fremont, CA ∙ Oakland, CA ∙ San Francisco, CA ∙ Sunnyvale, CA ∙ Hayward, CA ∙ Santa Rosa, CA ∙ Daly City, CA ∙ San Mateo, CA ∙ Richmond, CA ∙ Berkeley, CA

Headline

...TSUNAMI ADVISORY IS IN EFFECT FROM THE SONOMA COASTLINE DOWN THROUGH THE BIG SUR COASTLINE INCLUDING SF AND MONTEREY BAY...

Full Alert Message

Special Weather Statement National Weather Service San Francisco Bay Area 227 AM PDT Wed Jul 30 2025 ...TSUNAMI ADVISORY IS IN EFFECT FROM THE SONOMA COASTLINE DOWN THROUGH THE BIG SUR COASTLINE INCLUDING SF AND MONTEREY BAY... ...TSUNAMI ADVISORY IS IN EFFECT FROM THE SONOMA COASTLINE DOWN THROUGH THE BIG SUR COASTLINE INCLUDING SF AND MONTEREY BAY... * UPDATES...The following tsunami waves have been observed: Location Time Max Amplitude Pt. Reyes 0056 0.8 ft San Francisco 0117 0.8 ft Monterey 0051 1.1 ft * LOCAL IMPACTs...A tsunami capable of producing strong currents that may be hazardous to swimmers, boats, and coastal structures is ongoing. Widespread inundation is NOT expected. However, damage at the harbors will be possible. Surging water in and out of harbors and changing water levels can cause boats and docks to detach from structures. * RECOMMENDED ACTIONS...If you are located in this coastal area, move off the beach and out of harbors and marinas. Do not go to the coast to watch the tsunami. Be alert to instructions from your local emergency officials. Tsunamis often arrive as a series of waves or surges which could be dangerous for many hours after the first wave arrival. The first tsunami wave or surge may not be the highest in the series. * PRELIMINARY EARTHQUAKE INFORMATION...An earthquake occurred with a magnitude of 8.8 off the coast of the Kamchatka Peninsula in Russia at 2324 UTC July 29, 2025. This product will be updated as new information becomes available. Stay tuned to your local news source and NOAA weather radio for further information and updates.

Technical Header

CAZ006-505-506-508-509-529-530-301530- San Francisco- Coastal North Bay Including Point Reyes National Seashore- North Bay Interior Valleys-San Francisco Bay Shoreline- San Francisco Peninsula Coast-Northern Monterey Bay- Southern Monterey Bay and Big Sur Coast- Including the cities of San Francisco, Tamalpais-Homestead, Sausalito, Santa Rosa, South Santa Rosa, Napa, San Rafael, Petaluma, Novato, Rohnert Park, Oakland, Fremont, Hayward, Daly City, Berkeley, Pacifica, Santa Cruz, Watsonville, Live Oak, Seaside, Monterey, and Marina 227 AM PDT Wed Jul 30 2025