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whus46 kmtr 201237

coastal hazard message
national weather service san francisco ca
437 am pst fri jan 20 2017

a very large swell train will arrive along the coast this afternoon
and continue through saturday. peak swells are expected to be tonight
and saturday with swell heights as high as 24 to 28 feet at 14 to 15
second periods.

san francisco-
coastal north bay including point reyes national seashore-
san francisco peninsula coast-northern monterey bay-
southern monterey bay and big sur coast-
437 am pst fri jan 20 2017

...high surf warning remains in effect from noon today to 4 pm
pst saturday...

* waves and surf...west swell increasing to 16 to 20 feet friday 
  afternoon and as high as 24 to 28 feet friday night and 
  saturday. swell period 14 to 15 seconds. 

* timing...friday afternoon through saturday

* impacts...large breaking waves...strong rip currents...and 
  sneaker waves. 

precautionary/preparedness actions...

a high surf warning indicates that dangerous...battering wave
will pound the shoreline. this will result in very dangerous
swimming conditions...and deadly rip currents.



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