Alert archive / Hawaii / High Surf Warnings in 2016
High Surf Warning 13, NWS Honolulu, HI
NWS Honolulu, HI issued this high surf warning at Mar 18, 2016, 1:01 PM HST for Honolulu County, Kauai County, Kalawao County, Hawaii. It was in force for 26 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Mar 18, 2016, 1:01 PM HST (23:01 UTC)
- Expired
- Mar 19, 2016, 3:29 PM HST
- In force
- 26 hr
- Issued by
- NWS Honolulu, HI
Counties Honolulu County, HI, Kalawao County, HI, Kauai County, HI
The radar
The Molokai radar (PHMO), 116 km from the middle of the area, began a volume at 23:03 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 12:00Z, 11.0 hours before the alert went out and 127 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.
- Mixed-layer CAPE
- 9 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 1034 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- -11 m²/s²
- 0-3 km storm-relative helicity
- 42 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
766 WHHW40 PHFO 182301 CFWHFO COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 101 PM HST FRI MAR 18 2016 ...HIGH SURF WARNING FOR NORTH FACING SHORES OF NIIHAU KAUAI OAHU MOLOKAI MAUI AND THE BIG ISLAND... HIZ001>003-007>009-012-013-017-019-020-025-191215- /O.UPG.PHFO.SU.Y.0026.000000T0000Z-160320T0400Z/ /O.NEW.PHFO.SU.W.0013.160318T2301Z-160320T0400Z/ NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-OAHU NORTH SHORE-OAHU KOOLAU- OLOMANA-MOLOKAI WINDWARD-MOLOKAI LEEWARD-MAUI WINDWARD WEST- MAUI CENTRAL VALLEY-WINDWARD HALEAKALA-BIG ISLAND NORTH AND EAST- 101 PM HST FRI MAR 18 2016 ...HIGH SURF WARNING IN EFFECT UNTIL 600 PM SATURDAY... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A HIGH SURF WARNING...WHICH IS IN EFFECT UNTIL 600 PM SATURDAY. THE HIGH SURF ADVISORY IS NO LONGER IN EFFECT. * SURF...20 TO 30 FEET. * TIMING...THROUGH 600 PM SATURDAY. * IMPACTS...HIGH...EXPECT OCEAN WATER OCCASIONALLY SWEEPING ACROSS PORTIONS OF BEACHES...VERY STRONG BREAKING WAVES AND STRONG CURRENTS. WAVES MAY BREAK ONTO SOME ROADWAYS AND DEPOSIT ROCKS AND OTHER DEBRIS...ESPECIALLY AROUND HIGH TIDE LATE TONIGHT. BREAKING WAVES MAY IMPACT HARBORS MAKING NAVIGATING THE HARBOR CHANNELS DANGEROUS. * ADDITIONAL INFORMATION...THE CURRENT SWELL IS COMING IN FROM A MORE NORTHERLY DIRECTION THAN OUR TYPICAL WINTER SWELLS. A NEW NORTHWEST SWELL WILL ARRIVE TOMORROW AND AN ADVISORY MAY THEN BE NEEDED FOR WEST FACING SHORES PRECAUTIONARY/PREPAREDNESS ACTIONS... STAY WELL AWAY FROM THE SHORELINE IN AFFECTED AREAS. ENTERING THE WATER WILL BE VERY HAZARDOUS. ANYONE ENTERING THE WATER COULD FACE DEATH. BE PREPARED FOR ROAD CLOSURES. && $$ DONALDSON
3 follow-up statements
965 WHHW40 PHFO 190127 CFWHFO COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 327 PM HST FRI MAR 18 2016 ...HIGH SURF WARNING FOR NORTH FACING SHORES OF NIIHAU KAUAI OAHU MOLOKAI MAUI AND THE BIG ISLAND... HIZ001>003-007>009-012-013-017-019-020-025-191430- /O.CON.PHFO.SU.W.0013.000000T0000Z-160320T0400Z/ NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-OAHU NORTH SHORE-OAHU KOOLAU- OLOMANA-MOLOKAI WINDWARD-MOLOKAI LEEWARD-MAUI WINDWARD WEST- MAUI CENTRAL VALLEY-WINDWARD HALEAKALA-BIG ISLAND NORTH AND EAST- 327 PM HST FRI MAR 18 2016 ...HIGH SURF WARNING REMAINS IN EFFECT UNTIL 6 PM HST SATURDAY... * SURF...20 TO 30 FEET. * TIMING...THROUGH 600 PM SATURDAY. * IMPACTS...HIGH...EXPECT OCEAN WATER OCCASIONALLY SWEEPING ACROSS PORTIONS OF BEACHES...VERY STRONG BREAKING WAVES AND STRONG CURRENTS. WAVES MAY BREAK ONTO SOME ROADWAYS AND DEPOSIT ROCKS AND OTHER DEBRIS...ESPECIALLY AROUND HIGH TIDE LATE TONIGHT. BREAKING WAVES MAY IMPACT HARBORS MAKING NAVIGATING THE HARBOR CHANNELS DANGEROUS. * ADDITIONAL INFORMATION...THE CURRENT SWELL IS COMING IN FROM A MORE NORTHERLY DIRECTION THAN OUR TYPICAL WINTER SWELLS. A NEW NORTHWEST SWELL WILL ARRIVE TOMORROW AND AN ADVISORY MAY THEN BE NEEDED FOR WEST FACING SHORES PRECAUTIONARY/PREPAREDNESS ACTIONS... STAY WELL AWAY FROM THE SHORELINE IN AFFECTED AREAS. ENTERING THE WATER WILL BE VERY HAZARDOUS. ANYONE ENTERING THE WATER COULD FACE DEATH. BE PREPARED FOR ROAD CLOSURES. && $$ DONALDSON
151 WHHW40 PHFO 191340 CFWHFO COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 340 AM HST SAT MAR 19 2016 ...HIGH SURF WARNING FOR NORTH AND WEST FACING SHORES OF NIIHAU AND KAUAI AND FOR NORTH FACING SHORES OF OAHU MOLOKAI MAUI AND THE BIG ISLAND... ...HIGH SURF ADVISORY FOR WEST FACING SHORES OF OAHU AND MOLOKAI... .A COMBINATION OF A LARGE NORTHERLY SWELL CURRENTLY IN PLACE AND A NEW LONG-PERIOD NORTHWEST SWELL THAT IS EXPECTED TO FILL IN THROUGH THE DAY WILL CONTINUE TO SUPPORT WARNING-LEVEL SURF ALONG NORTH FACING SHORES TODAY. SURF WILL BUILD THROUGH THE DAY TO ADVISORY-LEVEL ALONG THE WEST FACING SHORES OF OAHU AND MOLOKAI AS THE NORTHWEST SWELL FILLS IN. HIZ001>003-007>009-012-013-017-019-020-025-200245- /O.CON.PHFO.SU.W.0013.000000T0000Z-160320T0400Z/ NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-OAHU NORTH SHORE-OAHU KOOLAU- OLOMANA-MOLOKAI WINDWARD-MOLOKAI LEEWARD-MAUI WINDWARD WEST- MAUI CENTRAL VALLEY-WINDWARD HALEAKALA-BIG ISLAND NORTH AND EAST- 340 AM HST SAT MAR 19 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 ALONG NORTH FACING SHORES OF OAHU MOLOKAI MAUI AND THE BIG ISLAND...20 TO 30 FEET. * TIMING...THROUGH 600 PM TODAY. * IMPACTS...HIGH...EXPECT OCEAN WATER OCCASIONALLY SWEEPING ACROSS PORTIONS OF BEACHES...VERY STRONG BREAKING WAVES AND STRONG CURRENTS. WAVES MAY BREAK ONTO SOME ROADWAYS AND DEPOSIT ROCKS AND OTHER DEBRIS...ESPECIALLY AROUND HIGH TIDE THROUGH THE EARLY AFTERNOON TODAY. ADDITIONAL BEACH EROSION. BREAKING WAVES MAY IMPACT HARBORS MAKING NAVIGATING THE HARBOR CHANNELS DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... STAY WELL AWAY FROM THE SHORELINE IN AFFECTED AREAS. ENTERING THE WATER WILL BE VERY HAZARDOUS. ANYONE ENTERING THE WATER COULD FACE DEATH. BE PREPARED FOR ROAD CLOSURES. && $$ HIZ006-200245- /O.NEW.PHFO.SU.Y.0027.160319T1340Z-160320T0400Z/ WAIANAE COAST- 340 AM HST SAT MAR 19 2016 ...HIGH SURF ADVISORY IN EFFECT UNTIL 6 PM HST THIS EVENING... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A HIGH SURF ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM HST THIS EVENING. * SURF...ALONG WEST FACING SHORES OF OAHU AND MOLOKAI...8 TO 12 FEET. * TIMING...THROUGH 600 PM TODAY. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES...SHORE BREAK...AND STRONG LONGSHORE AND RIP CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... BEACHGOERS...SWIMMERS...AND SURFERS SHOULD HEED ALL ADVICE GIVEN BY OCEAN SAFETY OFFICIALS AND EXERCISE CAUTION. KNOW YOUR LIMITS AND SEEK OCEAN RECREATION AREAS BEST SUITED FOR YOUR ABILITIES. KNOW YOUR LIMITS...WHEN IN DOUBT...DO NOT GO OUT. && $$ GIBBS
462 WHHW40 PHFO 200129 CFWHFO COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 329 PM HST SAT MAR 19 2016 ...HIGH SURF ADVISORY FOR NORTH AND WEST FACING SHORES OF NIIHAU KAUAI OAHU AND MOLOKAI AND FOR NORTH FACING SHORES OF MAUI AND THE BIG ISLAND... .AN INCOMING LONG PERIOD NORTHWEST SWELL COMBINED WITH A DECLINING LARGE NORTH SWELL WILL PRODUCE ADVISORY LEVEL SURF FOR EXPOSED NORTH AND WEST FACING SHORES. SURF IS EXPECTED TO HOLD INTO SUNDAY BEFORE DROPPING BELOW ADVISORY LEVELS. HIZ001>003-007>009-012-013-017-019-020-025-201430- /O.CAN.PHFO.SU.W.0013.000000T0000Z-160320T0400Z/ /O.EXB.PHFO.SU.Y.0027.000000T0000Z-160321T0400Z/ NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-OAHU NORTH SHORE-OAHU KOOLAU- OLOMANA-MOLOKAI WINDWARD-MOLOKAI LEEWARD-MAUI WINDWARD WEST- MAUI CENTRAL VALLEY-WINDWARD HALEAKALA-BIG ISLAND NORTH AND EAST- 329 PM HST SAT MAR 19 2016 ...HIGH SURF ADVISORY IN EFFECT UNTIL 6 PM HST SUNDAY... ...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 SUNDAY. THE HIGH SURF WARNING HAS BEEN CANCELLED. * SURF...ALONG NORTH AND WEST FACING SHORES OF KAUAI AND NIIHAU...AND ALONG NORTH FACING SHORES OAHU MOLOKAI MAUI AND THE BIG ISLAND...12 TO 18 FEET. SURF ALONG WEST FACING SHORES OF OAHU AND MOLOKAI...8 TO 12 FEET. * TIMING...THROUGH 600 PM SUNDAY. * 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 AND SEEK OCEAN RECREATION AREAS BEST SUITED FOR YOUR ABILITIES. KNOW YOUR LIMITS...WHEN IN DOUBT...DO NOT GO OUT. && $$ HIZ006-201430- /O.EXT.PHFO.SU.Y.0027.000000T0000Z-160321T0400Z/ WAIANAE COAST- 329 PM HST SAT MAR 19 2016 ...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 6 PM HST SUNDAY... * SURF...ALONG WEST FACING SHORES OF OAHU...10 TO 14 FEET. * TIMING...THROUGH 600 PM SUNDAY. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES...SHORE BREAK...AND STRONG LONGSHORE AND RIP CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... BEACHGOERS...SWIMMERS...AND SURFERS SHOULD HEED ALL ADVICE GIVEN BY OCEAN SAFETY OFFICIALS AND EXERCISE CAUTION. KNOW YOUR LIMITS AND SEEK OCEAN RECREATION AREAS BEST SUITED FOR YOUR ABILITIES. KNOW YOUR LIMITS...WHEN IN DOUBT...DO NOT GO OUT. && $$
Nearby
High Surf Warnings in Hawaii, 2016Every high surf warning 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.