Alert archive / Hawaii / High Surf Advisories in 2016

High Surf Advisory 21, NWS Honolulu, HI

March 1, 20164 counties in Hawaii

NWS Honolulu, HI issued this high surf advisory at Mar 1, 2016, 10:04 PM HST for 4 counties in Hawaii. It was in force for 60 hr.

The area

The counties it named.

The facts

Issued
Mar 1, 2016, 10:04 PM HST (08:04 UTC)
Expired
Mar 4, 2016, 10:10 AM HST
In force
60 hr
Issued by
NWS Honolulu, HI

Counties Hawaii County, HI, Honolulu County, HI, Kalawao County, HI, Kauai County, HI

The radar

The Molokai radar (PHMO), 38 km from the middle of the area, began a volume at 08:07 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Lihue, (PHLI), launched 00:00Z, 8.1 hours before the alert went out and 214 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Lihue, at 00:00Z on 2016-03-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 10 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lihue, at 00:00Z on 2016-03-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 82 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
10 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
1397 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
82 m²/s²
0-3 km storm-relative helicity
96 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

893 
WHHW40 PHFO 020804
CFWHFO

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE HONOLULU HI
1004 PM HST TUE MAR 1 2016

...HIGH SURF CONTINUES THROUGH WEDNESDAY...

...COASTAL FLOODING POSSIBLE ALONG MOST NORTH AND WEST FACING
SHORES OF THE SMALLER ISLANDS...

.LIFE-THREATENING SURF WILL CONTINUE THROUGH WEDNESDAY ALONG
EXPOSED NORTH AND WEST FACING SHORES. A COMBINATION OF LARGE SURF
AND MODERATE ONSHORE WINDS COULD TRANSLATE TO OCEAN WATER SWEEPING
OVER BEACHES AND OVERTOPPING VULNERABLE COASTAL ROADWAYS EARLY
TONIGHT AS THE SURF IS PEAKING AROUND HIGH TIDE. COASTAL INTERESTS
ARE ENCOURAGED TO FINALIZE PREPARATIONS AS SOON AS POSSIBLE.

HIZ001>003-006>008-012-013-017-019-020-022115-
/O.NEW.PHFO.SU.W.0012.160302T0804Z-160303T0400Z/
NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-WAIANAE COAST-
OAHU NORTH SHORE-OAHU KOOLAU-MOLOKAI WINDWARD-MOLOKAI LEEWARD-
MAUI WINDWARD WEST-MAUI CENTRAL VALLEY-WINDWARD HALEAKALA-
1004 PM HST TUE MAR 1 2016

...HIGH SURF WARNING IN EFFECT UNTIL 6 PM HST WEDNESDAY...

* SURF...ALONG NORTH AND WEST FACING SHORES OF KAUAI AND
  NIIHAU...35 TO 45 FEET THROUGH TONIGHT...THEN LOWERING TO 20 TO
  30 FEET LATE WEDNESDAY. ALONG NORTH FACING SHORES OF OAHU
  MOLOKAI AND MAUI...35 TO 45 FEET THROUGH TONIGHT...THEN LOWERING
  TO 20 TO 30 FEET LATE WEDNESDAY. ALONG WEST FACING SHORES OF
  OAHU AND MOLOKAI...20 TO 30 FEET THROUGH TONIGHT...THEN
  LOWERING TO 15 TO 20 FEET LATE WEDNESDAY.

* TIMING...THROUGH 6 PM HST WEDNESDAY.

* IMPACTS...VERY HIGH...EXPECT OCEAN WATER SURGING AND SWEEPING 
  ACROSS BEACHES...COASTAL BENCHES...AND LAVA FLOWS CREATING THE 
  POTENTIAL FOR IMPACTS TO COASTAL PROPERTIES AND 
  INFRASTRUCTURE...INCLUDING 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...

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

&&

$$

HIZ009-023-025-026-022115-
/O.NEW.PHFO.SU.Y.0021.160302T0804Z-160303T0400Z/
OLOMANA-KONA-BIG ISLAND NORTH AND EAST-KOHALA-
1004 PM HST TUE MAR 1 2016

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM HST
WEDNESDAY...

* SURF...RISING TO 6 TO 10 FEET ALONG WEST FACING SHORES. 10 TO 15
  FEET ALONG NORTH FACING SHORES.

* TIMING...THROUGH 6 PM HST WEDNESDAY.

* 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.

&&

$$
8 follow-up statements
400 
WHHW40 PHFO 021357
CFWHFO

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE HONOLULU HI
357 AM HST WED MAR 2 2016

...HAZARDOUS SURF CONTINUES THROUGH TODAY...

.LIFE-THREATENING SURF WILL CONTINUE TODAY ALONG THE EXPOSED
NORTH AND WEST FACING SHORES. THE SURF WILL GRADUALLY BEGIN TO
LOWER TONIGHT THROUGH THURSDAY...THEN DROP BELOW ADVISORY LEVEL
BY FRIDAY.

HIZ001>003-006>008-012-013-017-019-020-030400-
/O.CON.PHFO.SU.W.0012.000000T0000Z-160303T0400Z/
NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-WAIANAE COAST-
OAHU NORTH SHORE-OAHU KOOLAU-MOLOKAI WINDWARD-MOLOKAI LEEWARD-
MAUI WINDWARD WEST-MAUI CENTRAL VALLEY-WINDWARD HALEAKALA-
357 AM HST WED MAR 2 2016

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

* SURF...ALONG NORTH AND WEST FACING SHORES OF KAUAI AND
  NIIHAU...25 TO 35 FEET TODAY...LOWERING TO 20 TO 25 FEET
  TONIGHT. ALONG NORTH FACING SHORES OF OAHU MOLOKAI AND MAUI...25
  TO 35 FEET TODAY...LOWERING TO 20 TO 25 FEET TONIGHT. ALONG WEST
  FACING SHORES OF OAHU AND MOLOKAI...15 TO 25 FEET
  TODAY...LOWERING TO 12 TO 18 FEET TONIGHT.

* TIMING...THROUGH 6 PM HST THIS EVENING.

* IMPACTS...VERY HIGH...EXPECT OCEAN WATER SURGING AND SWEEPING 
  ACROSS BEACHES...COASTAL BENCHES...AND LAVA FLOWS CREATING THE 
  POTENTIAL FOR IMPACTS TO COASTAL PROPERTIES AND 
  INFRASTRUCTURE...INCLUDING 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...

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

&&

$$

HIZ009-023-025-026-030400-
/O.CON.PHFO.SU.Y.0021.000000T0000Z-160303T0400Z/
OLOMANA-KONA-BIG ISLAND NORTH AND EAST-KOHALA-
357 AM HST WED MAR 2 2016

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

* SURF...6 TO 10 FEET ALONG WEST FACING SHORES. 10 TO 15 FEET
  ALONG NORTH FACING SHORES.

* TIMING...THROUGH 6 PM HST THIS EVENING.

* 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.

&&

$$
754 
WHHW40 PHFO 021357 CCA
CFWHFO

COASTAL HAZARD MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE HONOLULU HI
357 AM HST WED MAR 2 2016

...HAZARDOUS SURF CONTINUES THROUGH TODAY...

.LIFE-THREATENING SURF WILL CONTINUE TODAY ALONG THE EXPOSED
NORTH AND WEST FACING SHORES. THE SURF WILL GRADUALLY BEGIN TO
LOWER TONIGHT THROUGH THURSDAY...THEN DROP BELOW ADVISORY LEVEL
BY FRIDAY.

HIZ001>003-006>008-012-013-017-019-020-030400-
/O.COR.PHFO.SU.W.0012.000000T0000Z-160303T0400Z/
NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-WAIANAE COAST-
OAHU NORTH SHORE-OAHU KOOLAU-MOLOKAI WINDWARD-MOLOKAI LEEWARD-
MAUI WINDWARD WEST-MAUI CENTRAL VALLEY-WINDWARD HALEAKALA-
357 AM HST WED MAR 2 2016

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

* SURF...ALONG NORTH AND WEST FACING SHORES OF KAUAI AND NIIHAU
  AND NORTH FACING SHORES OF OAHU MOLOKAI AND MAUI...30 TO 40 FEET
  TODAY...LOWERING TO 20 TO 25 FEET TONIGHT. ALONG WEST FACING
  SHORES OF OAHU AND MOLOKAI...15 TO 25 FEET TODAY...LOWERING TO
  12 TO 18 FEET TONIGHT.

* TIMING...THROUGH 6 PM HST THIS EVENING.

* IMPACTS...VERY HIGH...EXPECT OCEAN WATER SURGING AND SWEEPING 
  ACROSS BEACHES...COASTAL BENCHES...AND LAVA FLOWS CREATING THE 
  POTENTIAL FOR IMPACTS TO COASTAL PROPERTIES AND 
  INFRASTRUCTURE...INCLUDING 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...

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

&&

$$

HIZ009-023-025-026-030400-
/O.CON.PHFO.SU.Y.0021.000000T0000Z-160303T0400Z/
OLOMANA-KONA-BIG ISLAND NORTH AND EAST-KOHALA-
357 AM HST WED MAR 2 2016

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

* SURF...6 TO 10 FEET ALONG WEST FACING SHORES. 10 TO 15 FEET
  ALONG NORTH FACING SHORES.

* TIMING...THROUGH 6 PM HST THIS EVENING.

* 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.

&&

$$
488 
WHHW40 PHFO 030124
CFWHFO

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE HONOLULU HI
324 PM HST WED MAR 2 2016

...HAZARDOUS SURF CONTINUES THROUGH THROUGH THURSDAY...

.LIFE-THREATENING SURF WILL CONTINUE THROUGH THURSDAY ALONG THE
EXPOSED NORTH AND WEST FACING SHORES. THE SURF WILL GRADUALLY
BEGIN TO LOWER THURSDAY...THEN DROP BELOW ADVISORY LEVEL BY
FRIDAY.

HIZ001>003-006>008-012-013-017-019-020-031430-
/O.EXT.PHFO.SU.W.0012.000000T0000Z-160304T0400Z/
NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-WAIANAE COAST-
OAHU NORTH SHORE-OAHU KOOLAU-MOLOKAI WINDWARD-MOLOKAI LEEWARD-
MAUI WINDWARD WEST-MAUI CENTRAL VALLEY-WINDWARD HALEAKALA-
324 PM HST WED MAR 2 2016

...HIGH SURF WARNING NOW IN EFFECT UNTIL 6 PM HST THURSDAY...

* SURF...ALONG NORTH AND WEST FACING SHORES OF KAUAI AND NIIHAU
  AND NORTH FACING SHORES OF OAHU MOLOKAI AND MAUI...25 TO 35 FEET
  TONIGHT...LOWERING TO 20 TO 30 FEET THURSDAY. ALONG WEST FACING
  SHORES OF OAHU AND MOLOKAI...15 TO 20 FEET TONIGHT...LOWERING TO
  12 TO 20 FEET THURSDAY.

* TIMING...THROUGH 6 PM HST THURSDAY EVENING.

* IMPACTS...VERY HIGH...EXPECT OCEAN WATER SURGING AND SWEEPING 
  ACROSS BEACHES...COASTAL BENCHES...AND LAVA FLOWS CREATING THE 
  POTENTIAL FOR IMPACTS TO COASTAL PROPERTIES AND 
  INFRASTRUCTURE...INCLUDING 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...

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

&&

$$

HIZ009-023-025-026-031430-
/O.EXT.PHFO.SU.Y.0021.000000T0000Z-160304T0400Z/
OLOMANA-KONA-BIG ISLAND NORTH AND EAST-KOHALA-
324 PM HST WED MAR 2 2016

...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 6 PM HST THURSDAY...

* SURF...6 TO 10 FEET ALONG WEST FACING SHORES. 10 TO 15 FEET 
  ALONG NORTH FACING SHORES. 

* TIMING...THROUGH 6 PM HST THURSDAY EVENING.

* 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.

&&

$$

FOSTER
496 
WHHW40 PHFO 030124 CCA
CFWHFO

COASTAL HAZARD MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE HONOLULU HI
324 PM HST WED MAR 2 2016

...HAZARDOUS SURF CONTINUES THROUGH THURSDAY...

.LIFE-THREATENING SURF WILL CONTINUE THROUGH THURSDAY ALONG THE
EXPOSED NORTH AND WEST FACING SHORES. THE SURF WILL GRADUALLY
BEGIN TO LOWER THURSDAY...THEN DROP BELOW ADVISORY LEVEL BY
FRIDAY.

HIZ001>003-006>008-012-013-017-019-020-031430-
/O.EXT.PHFO.SU.W.0012.000000T0000Z-160304T0400Z/
NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-WAIANAE COAST-
OAHU NORTH SHORE-OAHU KOOLAU-MOLOKAI WINDWARD-MOLOKAI LEEWARD-
MAUI WINDWARD WEST-MAUI CENTRAL VALLEY-WINDWARD HALEAKALA-
324 PM HST WED MAR 2 2016

...HIGH SURF WARNING NOW IN EFFECT UNTIL 6 PM HST THURSDAY...

* SURF...ALONG NORTH AND WEST FACING SHORES OF KAUAI AND NIIHAU
  AND NORTH FACING SHORES OF OAHU MOLOKAI AND MAUI...25 TO 35 FEET
  TONIGHT...LOWERING TO 20 TO 30 FEET THURSDAY. ALONG WEST FACING
  SHORES OF OAHU AND MOLOKAI...15 TO 20 FEET TONIGHT...LOWERING TO
  12 TO 20 FEET THURSDAY.

* TIMING...THROUGH 6 PM HST THURSDAY EVENING.

* IMPACTS...VERY HIGH...EXPECT OCEAN WATER SURGING AND SWEEPING 
  ACROSS BEACHES...COASTAL BENCHES...AND LAVA FLOWS CREATING THE 
  POTENTIAL FOR IMPACTS TO COASTAL PROPERTIES AND 
  INFRASTRUCTURE...INCLUDING 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...

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

&&

$$

HIZ009-023-025-026-031430-
/O.EXT.PHFO.SU.Y.0021.000000T0000Z-160304T0400Z/
OLOMANA-KONA-BIG ISLAND NORTH AND EAST-KOHALA-
324 PM HST WED MAR 2 2016

...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 6 PM HST THURSDAY...

* SURF...6 TO 10 FEET ALONG WEST FACING SHORES. 10 TO 15 FEET 
  ALONG NORTH FACING SHORES. 

* TIMING...THROUGH 6 PM HST THURSDAY EVENING.

* 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.

&&

$$

FOSTER
001 
WHHW40 PHFO 031358
CFWHFO

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE HONOLULU HI
358 AM HST THU MAR 3 2016

...HAZARDOUS SURF CONTINUES TODAY...

.LIFE-THREATENING SURF WILL CONTINUE THROUGH TODAY ALONG THE
EXPOSED NORTH AND WEST FACING SHORES. THE SURF WILL GRADUALLY
SUBSIDE TODAY AND TONIGHT...THEN DROP BELOW ADVISORY LEVELS BY
FRIDAY.

HIZ001>003-006>008-012-013-017-019-020-040300-
/O.CON.PHFO.SU.W.0012.000000T0000Z-160304T0400Z/
NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-WAIANAE COAST-
OAHU NORTH SHORE-OAHU KOOLAU-MOLOKAI WINDWARD-MOLOKAI LEEWARD-
MAUI WINDWARD WEST-MAUI CENTRAL VALLEY-WINDWARD HALEAKALA-
358 AM HST THU MAR 3 2016

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

* SURF...ALONG NORTH AND WEST FACING SHORES OF KAUAI AND NIIHAU
  AND NORTH FACING SHORES OF OAHU MOLOKAI AND MAUI...20 TO 30
  FEET. ALONG WEST FACING SHORES OF OAHU AND MOLOKAI...12 TO 20
  FEET.

* TIMING...THROUGH 6 PM HST THIS EVENING.

* IMPACTS...VERY HIGH...EXPECT OCEAN WATER SURGING AND SWEEPING 
  ACROSS BEACHES...COASTAL BENCHES...AND LAVA FLOWS CREATING THE 
  POTENTIAL FOR IMPACTS TO COASTAL PROPERTIES AND 
  INFRASTRUCTURE...INCLUDING 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...

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

&&

$$

HIZ009-023-025-026-040300-
/O.CON.PHFO.SU.Y.0021.000000T0000Z-160304T0400Z/
OLOMANA-KONA-BIG ISLAND NORTH AND EAST-KOHALA-
358 AM HST THU MAR 3 2016

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

* SURF...6 TO 10 FEET ALONG WEST FACING SHORES. 10 TO 15 FEET 
  ALONG NORTH FACING SHORES. 

* TIMING...THROUGH 6 PM HST THIS EVENING.

* 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.

&&

$$
496 
WHHW40 PHFO 040150
CFWHFO

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE HONOLULU HI
350 PM HST THU MAR 3 2016

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

HIZ001>003-006>008-012-013-017-019-020-041500-
/O.CAN.PHFO.SU.W.0012.000000T0000Z-160304T0400Z/
/O.EXB.PHFO.SU.Y.0021.000000T0000Z-160305T0400Z/
NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-WAIANAE COAST-
OAHU NORTH SHORE-OAHU KOOLAU-MOLOKAI WINDWARD-MOLOKAI LEEWARD-
MAUI WINDWARD WEST-MAUI CENTRAL VALLEY-WINDWARD HALEAKALA-
350 PM HST THU MAR 3 2016

...HIGH SURF ADVISORY IN EFFECT UNTIL 6 PM HST FRIDAY...
...HIGH SURF WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A HIGH SURF
ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM HST FRIDAY. THE HIGH
SURF WARNING HAS BEEN CANCELLED. 

* SURF...ALONG NORTH FACING SHORES...18 TO 22 FEET TONIGHT...
  DECREASING TO 12 TO 16 FEET FRIDAY. ALONG WEST FACING SHORES...
  12 TO 18 FEET TONIGHT...DECREASING TO 8 TO 12 FEET FRIDAY.

* TIMING...THROUGH 6 PM HST FRIDAY.

* 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. 

&&

$$

HIZ009-026-040300-
/O.CAN.PHFO.SU.Y.0021.000000T0000Z-160304T0400Z/
OLOMANA-KOHALA-
350 PM HST THU MAR 3 2016

...HIGH SURF ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN HONOLULU HAS CANCELLED THE HIGH
SURF ADVISORY. 

SURF HAS DECLINED BELOW ADVISORY LEVELS IN THESE AREAS.

$$

HIZ023-025-041500-
/O.EXT.PHFO.SU.Y.0021.000000T0000Z-160304T1600Z/
KONA-BIG ISLAND NORTH AND EAST-
350 PM HST THU MAR 3 2016

...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 6 AM HST FRIDAY...

* SURF...ALONG WEST FACING SHORES...4 TO 8 FT. ALONG NORTH FACING
  SHORES...10 TO 15 FEET...MAINLY IN THE PUNA DISTRICT. 

* TIMING...THROUGH 6 AM HST FRIDAY.

* 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.

&&

$$
WROE
730 
WHHW40 PHFO 041330
CFWHFO

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE HONOLULU HI
330 AM HST FRI MAR 4 2016

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

HIZ023-025-041430-
/O.CAN.PHFO.SU.Y.0021.000000T0000Z-160304T1600Z/
KONA-BIG ISLAND NORTH AND EAST-
330 AM HST FRI MAR 4 2016

...HIGH SURF ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN HONOLULU HAS CANCELLED THE HIGH
SURF ADVISORY. 

SURF HEIGHTS HAVE DROPPED OVERNIGHT. THEREFORE...THE HIGH SURF
ADVISORY HAS BEEN CANCELLED FOR NORTH AND WEST FACING SHORES OF
THE BIG ISLAND.

$$

HIZ001>003-006>008-012-013-017-019-020-050230-
/O.CON.PHFO.SU.Y.0021.000000T0000Z-160305T0400Z/
NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-WAIANAE COAST-
OAHU NORTH SHORE-OAHU KOOLAU-MOLOKAI WINDWARD-MOLOKAI LEEWARD-
MAUI WINDWARD WEST-MAUI CENTRAL VALLEY-WINDWARD HALEAKALA-
330 AM HST FRI MAR 4 2016

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

* SURF...ALONG NORTH FACING SHORES...14 TO 16 FEET. ALONG WEST
  FACING SHORES...8 TO 12 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.

&&

$$

HOUSTON
726 
WHHW40 PHFO 042010
CFWHFO

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE HONOLULU HI
1010 AM HST FRI MAR 4 2016

HIZ001>003-006>008-012-013-017-019-020-042115-
/O.CAN.PHFO.SU.Y.0021.000000T0000Z-160305T0400Z/
NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-WAIANAE COAST-
OAHU NORTH SHORE-OAHU KOOLAU-MOLOKAI WINDWARD-MOLOKAI LEEWARD-
MAUI WINDWARD WEST-MAUI CENTRAL VALLEY-WINDWARD HALEAKALA-
1010 AM HST FRI MAR 4 2016

...HIGH SURF ADVISORY IS CANCELLED...

BUOY OBSERVATIONS...SURF REPORTS AND WEB CAM IMAGERY INDICATE THAT
THE SURF HAS DROPPED BELOW ADVISORY LEVELS. THEREFORE...THE
NATIONAL WEATHER SERVICE IN HONOLULU HAS CANCELLED THE HIGH SURF
ADVISORY.

$$

The office that day

Everything else NWS Honolulu, HI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 1, 10:04 PM HSTHigh Surf WarningHFOHonolulu, Kauai, Kalawao42 hr
Mar 2, 4:02 AM HSTWind AdvisoryHFOHawaii24 hr

Nearby

High Surf Advisories in Hawaii, 2016Every high surf advisory in 2016

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.