426  
WHHW40 PHFO 211801  
CFWHFO  
 
COASTAL HAZARD MESSAGE  
NATIONAL WEATHER SERVICE HONOLULU HI  
801 AM HST THU MAY 21 2026  
 
...HIGH SURF ADVISORY FOR EAST FACING SHORES OF KAUAI OAHU MOLOKAI  
MAUI KAHOOLAWE AND BIG ISLAND...  
 
.STRONG TRADE WINDS NEAR AND UPSTREAM OF THE STATE IS GENERATING  
SURF ABOVE ADVISORY LEVELS ALONG ALL EXPOSED EAST FACING SHORES.  
 
HIZ009-016-017-029-030-032-035-037-038-047-048-050-052>054-220715-  
/O.NEW.PHFO.SU.Y.0025.260521T1801Z-260523T0400Z/  
OLOMANA-KAHOOLAWE-MAUI WINDWARD WEST-KAUAI NORTH-KAUAI EAST-  
EAST HONOLULU-KOOLAU WINDWARD-MOLOKAI WINDWARD-MOLOKAI SOUTHEAST-  
WINDWARD HALEAKALA-KIPAHULU-SOUTH HALEAKALA-BIG ISLAND SOUTHEAST-  
BIG ISLAND EAST-BIG ISLAND NORTH-  
801 AM HST THU MAY 21 2026  
   
..HIGH SURF ADVISORY IN EFFECT UNTIL 6 PM HST FRIDAY  
 
* WHAT...SURF OF 7 TO 10 FEET .  
 
* WHERE...EAST FACING SHORES OF KAUAI, OAHU, MOLOKAI, MAUI,  
KAHOOLAWE, AND THE BIG ISLAND.  
 
* WHEN...UNTIL 6 PM HST FRIDAY.  
 
* IMPACTS...MODERATE. STRONG BREAKING WAVES AND STRONG CURRENTS  
WILL MAKE SWIMMING DANGEROUS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
HEED ALL ADVICE FROM OCEAN SAFETY OFFICIALS. WHEN IN DOUBT, DON'T  
GO OUT.  
 
 
 
 
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