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coastal hazard message
national weather service san francisco ca
204 am pst mon jan 18 2021

...a large, very long period northwest swell will result in
hazardous beach conditions along the coast...

a large, very long period northwest swell has arrived to the
coastal waters, creating hazardous conditions along the coast
through the day today. large swell heights are expected with 
breaking waves of 18 to 22 feet, locally higher at favored 
breakpoints, along west to northwest facing beaches. as a result, 
a high surf advisory is in effect through this afternoon for west 
and northwest facing beaches while a beach hazard statement is in 
effect for the northern monterey bay including santa cruz. with 
warm temperatures present over a holiday weekend, continuous 
vigilance is advised. never turn your back to the ocean.

caz006-505-509-530-190200-
/o.ext.kmtr.su.y.0006.000000t0000z-210119t0200z/
san francisco-
coastal north bay including point reyes national seashore-
san francisco peninsula coast-
southern monterey bay and big sur coast-
204 am pst mon jan 18 2021

...high surf advisory now in effect until 6 pm pst this evening...

* what...large breaking waves of 18 to 22 feet, locally higher 
  at favored breakpoints, can be expected along west to 
  northwest facing beaches.

* where...san francisco, coastal north bay including point reyes 
  national seashore, san francisco peninsula coast and southern 
  monterey bay and big sur coast.

* when...until 6 pm pst this evening.

* impacts...dangerous swimming and surfing conditions and 
  localized beach erosion. people are strongly urged to remain 
  well back from the ocean as these types of events often result 
  in an increase in cold water rescues and the loss of life.

* additional details...unseasonably warm temperatures this 
  holiday weekend will likely attract more people to the coast. 
  individuals should be reminded that our coastline and the cold 
  pacific waters remain dangerous as these larger than normal 
  waves impact the coast. extreme caution is advised when 
  visiting area beaches.

precautionary/preparedness actions...

inexperienced swimmers should remain out of the water due to
dangerous surf conditions.

&&

$$