Alert archive / Hawaii / High Surf Warnings in 2016
High Surf Warning 21, NWS Honolulu, HI
NWS Honolulu, HI issued this high surf warning at Nov 10, 2016, 3:32 AM HST for Honolulu County, Kauai County, Kalawao County, Hawaii. It was in force for 48 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
- Nov 10, 2016, 3:32 AM HST (13:32 UTC)
- Expired
- Nov 12, 2016, 3:50 AM HST
- In force
- 48 hr
- Issued by
- NWS Honolulu, HI
Counties Honolulu County, HI, Kalawao County, HI, Kauai County, HI
The nearest sounding before it
Lihue, (PHLI), launched 12:00Z, 1.5 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 831 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- 28 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
597 WHHW40 PHFO 101332 CFWHFO COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 332 AM HST THU NOV 10 2016 ...HIGH SURF WARNING FOR RISING SURF ALONG NORTH AND WEST FACING SHORES OF NIIHAU KAUAI AND MOLOKAI AND NORTH FACING SHORES OF OAHU AND MAUI... ...HIGH SURF ADVISORY FOR RISING SURF ALONG WEST FACING SHORES OF OAHU AND NORTH FACING SHORES OF THE BIG ISLAND... .A LARGE NORTH-NORTHWEST SWELL WILL BUILD FROM THIS AFTERNOON THROUGH THIS EVENING. SURF ALONG MOST NORTH AND SOME WEST FACING SHORES WILL LIKELY REACH THE HIGH SURF WARNING CRITERIA FROM LATER TODAY AND TONIGHT INTO FRIDAY. WEST FACING SHORES OF OAHU AND NORTH FACING SHORES OF THE BIG ISLAND WILL ALSO HAVE ELEVATED SURF FROM LATER TODAY INTO FRIDAY. HIZ001>003-007>009-012-013-017-019-020-110245- /O.UPG.PHFO.SU.Y.0049.000000T0000Z-161110T1600Z/ /O.NEW.PHFO.SU.W.0021.161110T1332Z-161111T1600Z/ NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-OAHU NORTH SHORE-OAHU KOOLAU- OLOMANA-MOLOKAI WINDWARD-MOLOKAI LEEWARD-MAUI WINDWARD WEST- MAUI CENTRAL VALLEY-WINDWARD HALEAKALA- 332 AM HST THU NOV 10 2016 ...HIGH SURF WARNING IN EFFECT UNTIL 6 AM HST FRIDAY... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A HIGH SURF WARNING...WHICH IS IN EFFECT UNTIL 6 AM HST FRIDAY. * SURF...RISING TO 20 TO 25 FEET ALONG NORTH AND WEST FACING SHORES OF NIIHAU...KAUAI AND MOLOKAI...AND NORTH FACING SHORES OF OAHU AND MAUI. * TIMING...FROM THIS AFTERNOON THROUGH TONIGHT. SURF IS EXPECTED TO REMAIN NEAR THE HIGH SURF WARNING CRITERIA ON FRIDAY. * IMPACTS...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 THE HARBOR CHANNEL 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. HEED ALL ADVICE GIVEN BY OCEAN SAFETY OFFICIALS. && $$ HIZ006-110245- /O.EXB.PHFO.SU.Y.0049.000000T0000Z-161111T1600Z/ WAIANAE COAST- 332 AM HST THU NOV 10 2016 ...HIGH SURF ADVISORY IN EFFECT UNTIL 6 AM HST FRIDAY... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A HIGH SURF ADVISORY...WHICH IS IN EFFECT UNTIL 6 AM HST FRIDAY. * SURF...RISING TO 12 TO 16 FEET ALONG WEST FACING SHORES OF OAHU. * TIMING...FROM THIS AFTERNOON THROUGH TONIGHT. SURF IS EXPECTED TO REMAIN NEAR THE HIGH SURF ADVISORY CRITERIA ON FRIDAY. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES AND STRONG CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... HEED ALL ADVICE GIVEN BY OCEAN SAFETY OFFICIALS AND EXERCISE CAUTION. && $$ HIZ025-110245- /O.EXT.PHFO.SU.Y.0049.000000T0000Z-161111T1600Z/ BIG ISLAND NORTH AND EAST- 332 AM HST THU NOV 10 2016 ...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 6 AM HST FRIDAY... * SURF...RISING TO 14 TO 18 FEET ALONG NORTH FACING SHORES OF THE BIG ISLAND. * TIMING...FROM LATER TODAY THROUGH TONIGHT. SURF IS EXPECTED TO REMAIN NEAR THE HIGH SURF ADVISORY CRITERIA ON FRIDAY. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES AND STRONG CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... HEED ALL ADVICE GIVEN BY OCEAN SAFETY OFFICIALS AND EXERCISE CAUTION. && $$ HOUSTON
4 follow-up statements
190 WHHW40 PHFO 110139 CFWHFO COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 339 PM HST THU NOV 10 2016 ...HIGH SURF WARNING FOR NORTH AND WEST FACING SHORES OF NIIHAU KAUAI AND MOLOKAI AND NORTH FACING SHORES OF OAHU AND MAUI... ...HIGH SURF ADVISORY FOR WEST FACING SHORES OF OAHU AND NORTH FACING SHORES OF THE BIG ISLAND... .A LARGE NORTH-NORTHWEST SWELL WILL BUILD TONIGHT...BRINGING DANGEROUS SURF TO EXPOSED AREAS. THE SURF WILL REMAIN ELEVATED THROUGH FRIDAY BEFORE SLOWLY DECLINING FRIDAY NIGHT AND SATURDAY. HIZ001>003-007>009-012-013-017-019-020-111445- /O.EXT.PHFO.SU.W.0021.000000T0000Z-161112T0400Z/ NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-OAHU NORTH SHORE-OAHU KOOLAU- OLOMANA-MOLOKAI WINDWARD-MOLOKAI LEEWARD-MAUI WINDWARD WEST- MAUI CENTRAL VALLEY-WINDWARD HALEAKALA- 339 PM HST THU NOV 10 2016 ...HIGH SURF WARNING NOW IN EFFECT UNTIL 6 PM HST FRIDAY... * SURF...20 TO 25 FEET ALONG NORTH AND WEST FACING SHORES OF NIIHAU...KAUAI AND MOLOKAI...AND NORTH FACING SHORES OF OAHU AND MAUI. * TIMING...THROUGH FRIDAY. * IMPACTS...HIGH...EXPECT OCEAN WATER OCCASIONALLY SWEEPING ACROSS PORTIONS OF BEACHES...VERY STRONG BREAKING WAVES AND STRONG LONGSHORE AND RIP CURRENTS. BREAKING WAVES MAY OCCASIONALLY IMPACT HARBORS MAKING NAVIGATING THE HARBOR CHANNEL DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... LARGE BREAKING SURF...SIGNIFICANT SHOREBREAK...AND DANGEROUS CURRENTS MAKE ENTERING THE WATER VERY HAZARDOUS. ANYONE ENTERING THE WATER COULD FACE SIGNIFICANT INJURY OR DEATH. HEED ALL ADVICE GIVEN BY OCEAN SAFETY OFFICIALS. && $$ HIZ006-025-111445- /O.EXT.PHFO.SU.Y.0049.000000T0000Z-161112T0400Z/ WAIANAE COAST-BIG ISLAND NORTH AND EAST- 339 PM HST THU NOV 10 2016 ...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 6 PM HST FRIDAY... * SURF...12 TO 16 FEET ALONG WEST FACING SHORES OF OAHU. SURF 15 TO 20 FEET FOR NORTH FACING SHORES OF THE BIG ISLAND. * TIMING...THROUGH FRIDAY. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES AND STRONG CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... HEED ALL ADVICE GIVEN BY OCEAN SAFETY OFFICIALS AND EXERCISE CAUTION. && $$ MORRISON
306 WHHW40 PHFO 111359 CFWHFO COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 359 AM HST FRI NOV 11 2016 ...HIGH SURF WARNING FOR NORTH AND WEST FACING SHORES OF NIIHAU KAUAI AND MOLOKAI AND NORTH FACING SHORES OF OAHU AND MAUI... ...HIGH SURF ADVISORY FOR WEST FACING SHORES OF OAHU AND NORTH FACING SHORES OF THE BIG ISLAND... .DANGEROUS SURF WILL CONTINUE ALONG THE EXPOSED NORTH AND WEST FACING SHORES TODAY BEFORE GRADUALLY TRENDING DOWN INTO THE WEEKEND. HIZ001>003-007>009-012-013-017-019-020-120300- /O.CON.PHFO.SU.W.0021.000000T0000Z-161112T0400Z/ NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-OAHU NORTH SHORE-OAHU KOOLAU- OLOMANA-MOLOKAI WINDWARD-MOLOKAI LEEWARD-MAUI WINDWARD WEST- MAUI CENTRAL VALLEY-WINDWARD HALEAKALA- 359 AM HST FRI NOV 11 2016 ...HIGH SURF WARNING REMAINS IN EFFECT UNTIL 6 PM HST THIS EVENING... * SURF...22 TO 28 FEET ALONG NORTH AND WEST FACING SHORES OF NIIHAU...KAUAI AND MOLOKAI...AND NORTH FACING SHORES OF OAHU AND MAUI EARLY...LOWERING TO 18 TO 25 FEET THIS AFTERNOON. * TIMING...THROUGH THIS EVENING. * IMPACTS...HIGH...EXPECT OCEAN WATER OCCASIONALLY SWEEPING ACROSS PORTIONS OF BEACHES...VERY STRONG BREAKING WAVES AND STRONG LONGSHORE AND RIP CURRENTS. BREAKING WAVES MAY OCCASIONALLY IMPACT HARBORS MAKING NAVIGATING THE HARBOR CHANNEL DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... LARGE BREAKING SURF...SIGNIFICANT SHOREBREAK...AND DANGEROUS CURRENTS MAKE ENTERING THE WATER VERY HAZARDOUS. ANYONE ENTERING THE WATER COULD FACE SIGNIFICANT INJURY OR DEATH. HEED ALL ADVICE GIVEN BY OCEAN SAFETY OFFICIALS. && $$ HIZ006-025-120300- /O.CON.PHFO.SU.Y.0049.000000T0000Z-161112T0400Z/ WAIANAE COAST-BIG ISLAND NORTH AND EAST- 359 AM HST FRI NOV 11 2016 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM HST THIS EVENING... * SURF...12 TO 18 FEET ALONG WEST FACING SHORES OF OAHU...LOWERING TO 10 TO 15 FEET THIS AFTERNOON. SURF 15 TO 20 FEET FOR NORTH FACING SHORES OF THE BIG ISLAND. * TIMING...THROUGH THIS EVENING. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES AND STRONG CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... HEED ALL ADVICE GIVEN BY OCEAN SAFETY OFFICIALS AND EXERCISE CAUTION. && $$ GIBBS
589 WHHW40 PHFO 120122 CFWHFO COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 322 PM HST FRI NOV 11 2016 ...HIGH SURF WARNING FOR NORTH AND WEST FACING SHORES OF NIIHAU KAUAI AND MOLOKAI AND NORTH FACING SHORES OF OAHU AND MAUI... ...HIGH SURF ADVISORY FOR WEST FACING SHORES OF OAHU AND NORTH FACING SHORES OF THE BIG ISLAND... .DANGEROUS SURF WILL CONTINUE ALONG THE EXPOSED NORTH AND WEST FACING SHORES THROUGH TONIGHT BEFORE GRADUALLY TRENDING DOWN INTO THE WEEKEND. HIZ001>003-007>009-012-013-017-019-020-121430- /O.EXT.PHFO.SU.W.0021.000000T0000Z-161112T1600Z/ NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-OAHU NORTH SHORE-OAHU KOOLAU- OLOMANA-MOLOKAI WINDWARD-MOLOKAI LEEWARD-MAUI WINDWARD WEST- MAUI CENTRAL VALLEY-WINDWARD HALEAKALA- 322 PM HST FRI NOV 11 2016 ...HIGH SURF WARNING NOW IN EFFECT UNTIL 6 AM HST SATURDAY... * SURF...20 TO 25 FEET ALONG NORTH AND WEST FACING SHORES OF NIIHAU...KAUAI AND MOLOKAI...AND NORTH FACING SHORES OF OAHU AND MAUI. * TIMING...THROUGH TONIGHT. * IMPACTS...HIGH...EXPECT OCEAN WATER OCCASIONALLY SWEEPING ACROSS PORTIONS OF BEACHES...VERY STRONG BREAKING WAVES AND STRONG LONGSHORE AND RIP CURRENTS. BREAKING WAVES MAY OCCASIONALLY IMPACT HARBORS MAKING NAVIGATING THE HARBOR CHANNEL DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... LARGE BREAKING SURF...SIGNIFICANT SHOREBREAK...AND DANGEROUS CURRENTS MAKE ENTERING THE WATER VERY HAZARDOUS. ANYONE ENTERING THE WATER COULD FACE SIGNIFICANT INJURY OR DEATH. HEED ALL ADVICE GIVEN BY OCEAN SAFETY OFFICIALS. && $$ HIZ006-025-121430- /O.EXT.PHFO.SU.Y.0049.000000T0000Z-161112T1600Z/ WAIANAE COAST-BIG ISLAND NORTH AND EAST- 322 PM HST FRI NOV 11 2016 ...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 6 AM HST SATURDAY... * SURF...10 TO 15 FEET ALONG WEST FACING SHORES OF OAHU. 15 TO 20 FEET FOR NORTH FACING SHORES OF THE BIG ISLAND. * TIMING...THROUGH TONIGHT. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES AND STRONG CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... HEED ALL ADVICE GIVEN BY OCEAN SAFETY OFFICIALS AND EXERCISE CAUTION. && $$ BRENCHLEY
043 WHHW40 PHFO 121350 CFWHFO COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 350 AM HST SAT NOV 12 2016 ...HIGH SURF ADVISORY FOR NORTH AND WEST FACING SHORES OF NIIHAU KAUAI AND MOLOKAI AND NORTH FACING SHORES OF OAHU...MAUI AND THE BIG ISLAND... .DANGEROUS SURF WILL CONTINUE ALONG THE EXPOSED NORTH AND WEST FACING SHORES TODAY. SURF SHOULD DROP BELOW ADVISORY LEVELS TONIGHT THROUGH EARLY SUNDAY. HIZ001>003-007>009-012-013-017-019-020-130300- /O.CAN.PHFO.SU.W.0021.000000T0000Z-161112T1600Z/ /O.EXB.PHFO.SU.Y.0049.000000T0000Z-161113T0400Z/ NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-OAHU NORTH SHORE-OAHU KOOLAU- OLOMANA-MOLOKAI WINDWARD-MOLOKAI LEEWARD-MAUI WINDWARD WEST- MAUI CENTRAL VALLEY-WINDWARD HALEAKALA- 350 AM HST SAT NOV 12 2016 ...HIGH SURF ADVISORY IN EFFECT UNTIL 6 PM HST THIS EVENING... ...HIGH SURF WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A HIGH SURF ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM HST THIS EVENING. THE HIGH SURF WARNING HAS BEEN CANCELLED. * SURF...12 TO 16 FEET ALONG NORTH AND WEST FACING SHORES OF NIIHAU...KAUAI AND MOLOKAI...AND NORTH FACING SHORES OF OAHU AND MAUI. * TIMING...THROUGH THIS EVENING. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES AND STRONG CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... HEED ALL ADVICE GIVEN BY OCEAN SAFETY OFFICIALS AND EXERCISE CAUTION. && $$ HIZ006-121500- /O.CAN.PHFO.SU.Y.0049.000000T0000Z-161112T1600Z/ WAIANAE COAST- 350 AM HST SAT NOV 12 2016 ...HIGH SURF ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS CANCELLED THE HIGH SURF ADVISORY FOR THE WEST FACING SHORES OF OAHU. $$ HIZ025-130300- /O.EXT.PHFO.SU.Y.0049.000000T0000Z-161113T0400Z/ BIG ISLAND NORTH AND EAST- 350 AM HST SAT NOV 12 2016 ...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 6 PM HST THIS EVENING... * SURF...15 TO 20 FEET FOR NORTH FACING SHORES OF THE BIG ISLAND EARLY...LOWERING TO 10 TO 15 FEET THIS AFTERNOON. * TIMING...THROUGH THIS EVENING. * IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES AND STRONG CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS. SOME OVERWASH ONTO VULNERABLE SECTIONS OF THE COAST AND ROADWAYS IS POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... HEED ALL ADVICE GIVEN BY OCEAN SAFETY OFFICIALS AND EXERCISE CAUTION. && $$ GIBBS
The office that day
Everything else NWS Honolulu, HI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 10, 3:30 AM HST | Small Craft Advisory | HFO | 39 hr |
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.