004  
FZHW52 PHFO 181331  
SRFHFO  
 
SURF ZONE FORECAST  
NATIONAL WEATHER SERVICE HONOLULU HI  
331 AM HST WED JUL 18 2018  
 
HIZ005>011-190245-  
OAHU-  
331 AM HST WED JUL 18 2018  
   
..HIGH SURF ADVISORY FOR EAST FACING SHORES
 
 
SURF ALONG EAST FACING SHORES WILL BE 5 TO 8 FEET TODAY, LOWERING TO 4  
TO 7 FEET THURSDAY.  
 
SURF ALONG SOUTH FACING SHORES WILL BE 3 TO 5 FEET THROUGH THURSDAY.  
 
SURF ALONG WEST FACING SHORES WILL BE 2 TO 4 FEET THROUGH THURSDAY.  
 
SURF ALONG NORTH FACING SHORES WILL BE 1 TO 3 FEET THROUGH THURSDAY.  
 
OUTLOOK THROUGH WEDNESDAY JULY 25:  
WITH ROUGH, AND RISING, SURF CAUSED BY STRENGTHENING TRADE WINDS, A  
HIGH SURF ADVISORY HAS BEEN ISSUED FOR EAST FACING SHORES THROUGH  
TONIGHT. SURF ALONG THESE SHORES IS EXPECTED TO GRADUALLY LOWER  
THURSDAY THROUGH THIS WEEKEND AS THE TRADE WINDS WEAKEN. A SERIES OF  
REINFORCING SOUTH AND SOUTHWEST SWELLS WILL MAINTAIN SMALL TO MODERATE  
SURF ALONG SOUTH FACING SHORES THROUGH FRIDAY. SLIGHTLY LARGER AND  
LONGER PERIOD SOUTH-SOUTHWEST SWELLS MAY CAUSE SURF TO APPROACH THE  
HIGH SURF ADVISORY ALONG SOUTH FACING SHORES FROM SATURDAY INTO  
MONDAY.  
 
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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