000
WHHW40 PHFO 211331
CFWHFO

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE HONOLULU HI
331 AM HST FRI APR 21 2017

...HIGH SURF WARNING FOR NORTH AND WEST FACING SHORES OF NIIHAU
KAUAI AND MOLOKAI...AND NORTH FACING SHORES OF OAHU AND MAUI...
...HIGH SURF ADVISORY FOR WEST FACING SHORES OF OAHU...

.A LARGE NORTH-NORTHWEST SWELL IS PRODUCING HAZARDOUS CONDITIONS 
IN THE SURF ZONES ALONG MOST NORTH AND WEST SHORES OF THE SMALLER 
ISLANDS TODAY. THIS SWELL WILL SLOWLY DECLINE FROM THIS EVENING 
INTO EARLY SATURDAY MORNING.

HIZ001>003-007>009-012-013-017-019-020-220245-
/O.CON.PHFO.SU.W.0011.000000T0000Z-170422T0400Z/
NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-OAHU NORTH SHORE-OAHU KOOLAU-
OLOMANA-MOLOKAI WINDWARD-MOLOKAI LEEWARD-MAUI WINDWARD WEST-
MAUI CENTRAL VALLEY-WINDWARD HALEAKALA-
331 AM HST FRI APR 21 2017

...HIGH SURF WARNING REMAINS IN EFFECT UNTIL 6 PM HST THIS
EVENING...

* SURF...ALONG NORTH AND WEST FACING SHORES OF NIIHAU AND
  KAUAI...AND NORTH FACING SHORES OF OAHU...MOLOKAI AND MAUI...20
  TO 25 FEET. ALONG WEST FACING SHORES OF MOLOKAI...15 TO 20 
  FEET.
 
* TIMING...THROUGH THIS AFTERNOON.

* HIGH...EXPECT OCEAN WATER OCCASIONALLY SWEEPING ACROSS PORTIONS
  OF BEACHES...VERY STRONG BREAKING WAVES...AND STRONG LONGSHORE 
  AND RIP CURRENTS. BREAKING WAVES MAY OCCASIONALLY IMPACT HARBORS
  MAKING NAVIGATING HARBOR CHANNELS DANGEROUS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

LARGE BREAKING SURF, SIGNIFICANT SHOREBREAK...AND DANGEROUS 
CURRENTS MAKE ENTERING THE WATER VERY HAZARDOUS. ANYONE ENTERING 
THE WATER COULD FACE SIGNIFICANT INJURY OR DEATH.

&&

$$

HIZ006-220245-
/O.CON.PHFO.SU.Y.0029.000000T0000Z-170422T0400Z/
WAIANAE COAST-
331 AM HST FRI APR 21 2017

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM HST THIS
EVENING...

* SURF...ALONG WEST FACING SHORES OF OAHU...12 TO 18 FEET. 

* TIMING...THROUGH THIS AFTERNOON.

* 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...
WHEN IN DOUBT...DO NOT GO OUT.

&&

$$

HOUSTON