San Fransisco Peninsula Coast Severe Watches & Warnings NOAA Weather Radio

Coastal Flood Advisory
Statement as of 2:46 PM PST on December 20, 2014

...High surf advisory now in effect until 10 PM PST this evening... ...Coastal Flood Advisory in effect from 9 am Sunday to 3 PM PST Tuesday...

The National Weather Service in the San Francisco Bay area has issued a coastal Flood Advisory...which is in effect from 9 am Sunday to 3 PM PST Tuesday.

* Timing...generally speaking...extreme high tides are expected to occur during the mid to late morning hours of December 21st...22nd and 23rd. Extreme low tide will occur during the late afternoon to late evening hours. The exact timing of tides is location dependent so please visit tidesandcurrents.NOAA.Gov/ports/...for more specific tidal information.

* Waves and surf...northwest swell of 14 to 17 feet with a period of 17 seconds will remain a possibility through 10pm. Occasional breakers of 24 feet also will be possible.

* Locations...low lying areas along the immediate coast and Bay front including marshes and sloughs. These locations may include parking lots...coastal trails...sidewalks... underpasses and roadways.

* Impacts...sea water on roadways...parking lots...trails and sidewalks. People visiting beaches may lose entry and exit to coves and narrow beaches.

Precautionary/preparedness actions...

A coastal Flood Advisory indicates that onshore winds and tides will combine to generate flooding of low areas along the shore. Do not leave your vehicle in low lying parking lots near the coast or Bay front. Do not travel through flooded roadways. If visiting the coast avoid narrow beaches and coves.