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fzhw52 phfo 150136

surf zone forecast
national weather service honolulu hi
336 pm hst thu dec 14 2017

336 pm hst thu dec 14 2017

...high surf advisory for north and west facing shores...

surf along north facing shores will be 15 to 20 feet tonight, 
lowering to 8 to 12 feet friday.

surf along west facing shores will be 8 to 12 feet tonight, dropping 
to 6 to 8 feet friday.

surf along east facing shores will be 3 to 6 feet tonight, rising to
7 to 9 feet friday.

surf along south facing shores will be 2 feet or less through

outlook through thursday december 21:
the current north-northwest swell will slowly subside through
saturday. strengthening winds will cause rough surf on east facing
shores into the weekend. a moderate northwest swell is expected late
in this weekend into monday, but should remain below advisory level. 
a moderate north-northwest swell is forecast to arrive tuesday, peak 
tuesday night, then slowly lower through wednesday night. a larger, 
north swell may impact the area beginning thursday night. 

surf heights are forecast heights of the face, or front, of waves. the
surf forecast is based on the significant wave height, the average
height of the one third largest waves, at the locations of the largest
breakers. some waves may be more than twice as high as the
significant wave height. expect to encounter rip currents in or near
any surf zone.


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