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surf zone forecast
national weather service honolulu hi
335 am hst wed jan 16 2019

hiz005>011-170245-
oahu-
335 am hst wed jan 16 2019

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

surf along north facing shores will be 15 to 20 feet today,
lowering to 8 to 12 feet tonight. surf will be 6 to 10 feet
thursday.

surf along west facing shores will be 10 to 15 feet today,
lowering to 6 to 9 feet tonight. surf will be 3 to 6 feet thursday.

surf along east facing shores will be 1 to 3 feet today through
thursday.

surf along south facing shores will be 2 to 3 feet through
thursday.

outlook through wednesday january 23:
the current northwest swell continues to fill this early wednesday
morning. shores under the high surf warning has been downgraded to a
high surf advisory. leeward big island coast will remain under a high
surf advisory through today. a new short period pulse from the northwest
will boost surf to at or near advisory levels for the west and north 
facing shores thursday night through friday before filling. east 
facing shores will see a slight bump up over the weekend due to the 
return of locally strong trade winds. a series of northwest swell will
gradually raise the surf to just below advisory levels along the 
north and west facing shores between monday and tuesday 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.

$$