Coastal Flood Warnings/Watches/Statements
Issued by NWS Honolulu, HI

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WHHW40 PHFO 121323
CFWHFO

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE HONOLULU HI
323 AM HST TUE DEC 12 2017

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

.A LARGE NORTH NORTHWEST SWELL WILL BUILD DURING THE DAY...THEN
PEAK TONIGHT INTO WEDNESDAY...CREATING DANGEROUS SURF ALONG MOST
NORTH AND WEST FACING SHORES.

HIZ001>003-006>008-012-013-017-019-020-130230-
/O.NEW.PHFO.SU.W.0018.171212T1600Z-171215T0400Z/
NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-WAIANAE COAST-
OAHU NORTH SHORE-OAHU KOOLAU-MOLOKAI WINDWARD-MOLOKAI LEEWARD-
MAUI WINDWARD WEST-MAUI CENTRAL VALLEY-WINDWARD HALEAKALA-
323 AM HST TUE DEC 12 2017

...HIGH SURF WARNING IN EFFECT FROM 6 AM THIS MORNING TO 6 PM HST
THURSDAY...

THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A HIGH SURF
WARNING...WHICH IS IN EFFECT FROM 6 AM THIS MORNING TO 6 PM HST
THURSDAY.

* SURF...ALONG NORTH AND WEST FACING SHORES OF NIIHAU KAUAI AND
  MOLOKAI...AND NORTH FACING SHORES OF OAHU AND MAUI...BUILDING TO
  20 TO 30 FEET THIS AFTERNOON...AND 30 TO 40 FEET TONIGHT AND
  WEDNESDAY. ALONG WEST FACING SHORES OF OAHU...BUILDING TO 14 TO
  24 FEET THIS AFTERNOON...AND 20 TO 30 FEET TONIGHT AND
  WEDNESDAY.

* TIMING...BUILDING THIS AFTERNOON...PEAKING TONIGHT INTO
  WEDNESDAY...THEN SLOWLY DECLINING THROUGH THURSDAY AFTERNOON.

* IMPACTS...VERY HIGH...EXPECT OCEAN WATER SURGING AND SWEEPING
  ACROSS BEACHES...CREATING THE POTENTIAL FOR SOME OVERWASH ONTO
  VULNERABLE COASTAL ROADWAYS. POWERFUL LONGSHORE AND RIP
  CURRENTS WILL BE PRESENT AT MOST BEACHES. LARGE BREAKING WAVES
  AND STRONG CURRENTS MAY IMPACT HARBOR ENTRANCES AND CHANNELS
  CAUSING CHALLENGING BOAT HANDLING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THESE DANGEROUS CONDITIONS MEAN THAT ONLY HIGHLY EXPERIENCED
PERSONS SHOULD ENTER THE WATER. INEXPERIENCED PERSONS SHOULD
REMAIN OFF BEACHES AND ADJACENT BEACHFRONT AREAS. LARGE BREAKING
SURF...SIGNIFICANT SHOREBREAK AND DANGEROUS CURRENTS MAKE
ENTERING THE WATER VERY HAZARDOUS. ANYONE ENTERING THE WATER COULD
FACE SIGNIFICANT INJURY OR DEATH.

&&

$$

HIZ025-130230-
/O.NEW.PHFO.SU.Y.0054.171213T0400Z-171215T0400Z/
BIG ISLAND NORTH AND EAST-
323 AM HST TUE DEC 12 2017

...HIGH SURF ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 PM
HST THURSDAY...

THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A HIGH SURF
ADVISORY, WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM HST
THURSDAY.

* SURF...ALONG NORTH FACING SHORES...BUILDING TO 16 TO 24 FEET
  TONIGHT AND WEDNESDAY.

* TIMING...BUILDING THIS EVENING...PEAKING LATE TONIGHT AND
  WEDNESDAY...THEN SLOWLY DECLINING THROUGH THURSDAY 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. KNOW YOUR LIMITS...WHEN IN DOUBT...DO NOT
GO OUT.

&&

$$


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