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whhw40 phfo 231330
cfwhfo
336 

coastal hazard message
national weather service honolulu hi
330 am hst thu nov 23 2017

...high surf warning remains in effect for north and east facing
shores of niihau kauai oahu molokai maui and the big island...

.a strong low pressure system over the northeast pacific ocean
has generated a large north swell which will peak today...then 
slowly decline through friday.

hiz001>003-007>009-012-013-017>020-025-240230-
/o.con.phfo.su.w.0015.000000t0000z-171124t1600z/
niihau-kauai windward-kauai leeward-oahu north shore-oahu koolau-
olomana-molokai windward-molokai leeward-maui windward west-
maui leeward west-maui central valley-windward haleakala-
big island north and east-
330 am hst thu nov 23 2017

...high surf warning remains in effect until 6 am hst friday...

* surf...along north facing shores 25 to 30 feet with occasional 
  sets to 35 feet on outer reefs...and to 10 to 15 feet along east
  facing shores of niihau kauai oahu molokai maui and the big 
  island. 

* timing...peaking today...then slowly declining through friday. 

* impacts...high...expect ocean water occasionally sweeping across
  portions of beaches...creating the potential for impacts to
  coastal properties and infrastructure...including roadways. in
  addition...expect very strong breaking waves and strong 
  currents. breaking waves may occasionally impact harbors making 
  navigating the harbor channel dangerous. 

precautionary/preparedness actions...stay well away from the
shoreline in the affected areas. be prepared for road closures.

&&

$$

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