San Francisco Severe Watches & Warnings NOAA Weather Radio

Watches & Warnings

Beach Hazard Statement
Issued: 6:42 AM PDT Sep. 19, 2017 – National Weather Service

... Beach hazards statement remains in effect through Thursday

* seas: northwest forerunners arrive by mid morning today with a
period of 16 to 18 seconds. Northwest swell of 6 to 10 feet then
possible with a period of 12 to 16 seconds. Seas will begin
larger then dissipate through mid week.

* Timing: 5am Tuesday morning through 8pm Thursday evening.

* Location: coastline from Sonoma County south through Monterey
County. In particular west to northwest facing beaches...
including but not limited to... Ocean Beach... Montara State
Beach and Marina state beach.

* Potential impacts: increased risk of rip currents... sneaker
waves... and locally large shore break. Beachgoers may be
knocked over... injured... or pulled out to sea into the cold
restless ocean.

Precautionary/preparedness actions...

A beach hazard statement means the potentially dangerous
conditions may exist on specific beaches. These hazards may
include large shore break... strong rip currents... strong
longshore currents and possibly sneaker waves. All of which could
be life threatening. Be sure to always keep your eyes on the

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