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whhw40 phfo 191357

coastal hazard message
national weather service honolulu hi
357 am hst sun feb 19 2017

...high surf advisory for north and west facing shores of niihau
kauai and molokai and north facing shores of oahu and maui...

.a combination of strong north to northeast winds and a large
north-northwest swell filling in will lead to dangerous surf
along exposed north and west facing shores through monday.

niihau-kauai windward-kauai leeward-oahu north shore-oahu koolau-
molokai windward-molokai leeward-maui windward west-
maui central valley-windward haleakala-
357 am hst sun feb 19 2017

...high surf advisory now in effect until 6 pm hst monday...

* surf...6 to 10 ft this morning...rising to 15 to 20 ft this

* timing...building through the day today...peaking tonight...
  gradually declining monday.

* impacts...moderate...expect strong breaking waves...shore 
  break...and strong longshore and rip currents making swimming 
  difficult and dangerous. 

precautionary/preparedness actions...

beachgoers...swimmers...and surfers should heed all advice given
by ocean safety officials and exercise caution. know your limits
and seek ocean recreation areas best suited for your abilities.
for alternatives see the ocean safety links on



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