Alert archive / Hawaii / High Surf Warnings in 2016
High Surf Warning 2, NWS Honolulu, HI
NWS Honolulu, HI issued this high surf warning at Jan 9, 2016, 3:37 AM HST for Honolulu County, Kauai County, Kalawao County, Hawaii. It was in force for 60 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
- Jan 9, 2016, 3:37 AM HST (13:37 UTC)
- Expired
- Jan 11, 2016, 3:26 PM HST
- In force
- 60 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 13:38 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, 1.6 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
- 26 J/kg
- Mixed-layer CIN
- -84 J/kg
- Mixed-layer LCL
- 982 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 36 m²/s²
- 0-3 km storm-relative helicity
- 12 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
262 WHHW40 PHFO 091337 CFWHFO COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 337 AM HST SAT JAN 9 2016 ...HIGH SURF WARNING FOR NORTH AND WEST FACING SHORES OF NIIHAU KAUAI OAHU MOLOKAI AND FOR NORTH FACING SHORES OF MAUI... .A LARGE NORTHWEST SWELL WILL PEAK THIS EVENING THROUGH THE OVERNIGHT HOURS TONIGHT INTO SUNDAY MORNING...PRODUCING WARNING- LEVEL SURF ALONG NORTH AND WEST FACING SHORES OF ISLANDS EXPOSED TO THE SWELL. SURF IS EXPECTED TO GRADUALLY TREND DOWN LATE SUNDAY THROUGH THE EARLY PORTION OF THE WEEK. HIZ001>003-006>008-012-013-017-020-100245- /O.UPG.PHFO.SU.Y.0002.000000T0000Z-160110T0400Z/ /O.NEW.PHFO.SU.W.0002.160109T1337Z-160111T0400Z/ NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-WAIANAE COAST- OAHU NORTH SHORE-OAHU KOOLAU-MOLOKAI WINDWARD-MOLOKAI LEEWARD- MAUI WINDWARD WEST-WINDWARD HALEAKALA- 337 AM HST SAT JAN 9 2016 ...HIGH SURF WARNING IN EFFECT UNTIL 6 PM HST SUNDAY... THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A HIGH SURF WARNING...WHICH IS IN EFFECT UNTIL 6 PM HST SUNDAY. THE HIGH SURF ADVISORY IS NO LONGER IN EFFECT. * SURF...ALONG NORTH FACING SHORES...10 TO 15 FEET THIS MORNING...RISING TO 25 TO 35 FEET AS EARLY AS THIS EVENING FOR KAUAI AND NIIHAU...THEN OVERNIGHT TONIGHT FOR OAHU MOLOKAI AND MAUI. SURF WILL THEN LOWER TO 18 TO 25 FEET BY SUNDAY AFTERNOON. ALONG WEST FACING SHORES...8 TO 12 FEET THIS MORNING...RISING TO 18 TO 25 FEET AS EARLY AS THIS EVENING FOR KAUAI AND NIIHAU...THEN OVERNIGHT TONIGHT FOR OAHU AND MOLOKAI. SURF WILL THEN LOWER TO 10 TO 15 FEET BY SUNDAY AFTERNOON. * TIMING...THIS EVENING THROUGH SUNDAY. * IMPACTS...HIGH...EXPECT OCEAN WATER OCCASIONALLY SWEEPING ACROSS BEACHES...VERY STRONG BREAKING WAVES AND STRONG RIP CURRENTS. BREAKING WAVES MAY OCCASIONALLY IMPACT HARBORS MAKING NAVIGATING THE HARBOR CHANNEL DANGEROUS. SOME OVERWASH ONTO THE TYPICALLY VULNERABLE COASTAL LOCATIONS WILL BE POSSIBLE DUE TO A COMBINATION OF LARGE SURF AND SLIGHTLY HIGHER THAN NORMAL HIGH TIDES...ESPECIALLY EARLY SUNDAY MORNING. 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. BEACHGOERS... SWIMMERS...AND SURFERS SHOULD HEED ALL ADVICE GIVEN BY OCEAN SAFETY OFFICIALS. && $$ GIBBS
6 follow-up statements
893 WHHW40 PHFO 100118 CFWHFO COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 318 PM HST SAT JAN 9 2016 ...HIGH SURF WARNING FOR NORTH AND WEST FACING SHORES OF NIIHAU KAUAI OAHU MOLOKAI AND FOR NORTH FACING SHORES OF MAUI... .A LARGE NORTHWEST SWELL WILL PEAK TONIGHT AND SUNDAY MORNING...PRODUCING WARNING LEVEL SURF ALONG NORTH AND WEST FACING SHORES OF ISLANDS EXPOSED TO THE SWELL. SURF IS EXPECTED TO GRADUALLY TREND DOWN LATE SUNDAY THROUGH THE EARLY PORTION OF THE WEEK. HIZ001>003-006>008-012-013-017-020-101430- /O.CON.PHFO.SU.W.0002.000000T0000Z-160111T0400Z/ NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-WAIANAE COAST- OAHU NORTH SHORE-OAHU KOOLAU-MOLOKAI WINDWARD-MOLOKAI LEEWARD- MAUI WINDWARD WEST-WINDWARD HALEAKALA- 318 PM HST SAT JAN 9 2016 ...HIGH SURF WARNING REMAINS IN EFFECT UNTIL 6 PM HST SUNDAY... * SURF...ALONG NORTH FACING SHORES...20 TO 30 FEET LATER THIS EVENING FOR KAUAI AND NIIHAU...THEN SUNDAY MORNING FOR OAHU MOLOKAI AND MAUI. SURF WILL THEN LOWER TO 18 TO 25 FEET BY SUNDAY EVENING. ALONG WEST FACING SHORES...15 TO 20 FEET LATER THIS EVENING FOR KAUAI AND NIIHAU...THEN EARLY SUNDAY MORNING FOR OAHU AND MOLOKAI. SURF WILL THEN LOWER TO 10 TO 15 FEET BY SUNDAY EVENING. * TIMING...THROUGH SUNDAY. * IMPACTS...HIGH...EXPECT OCEAN WATER OCCASIONALLY SWEEPING ACROSS BEACHES...VERY STRONG BREAKING WAVES AND STRONG RIP CURRENTS. BREAKING WAVES MAY OCCASIONALLY IMPACT HARBORS MAKING NAVIGATING THE HARBOR CHANNEL DANGEROUS. SOME OVERWASH ONTO THE TYPICALLY VULNERABLE COASTAL LOCATIONS WILL BE POSSIBLE DUE TO A COMBINATION OF LARGE SURF AND SLIGHTLY HIGHER THAN NORMAL HIGH TIDES...ESPECIALLY EARLY SUNDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... LARGE BREAKING SURF...SIGNIFICANT SHOREBREAK...AND DANGEROUS CURRENTS MAKE ENTERING THE WATER VERY HAZARDOUS. ANYONE ENTERING THE WATER COULD FACE SIGNIFICANT INJURY OR DEATH. BEACHGOERS... SWIMMERS...AND SURFERS SHOULD HEED ALL ADVICE GIVEN BY OCEAN SAFETY OFFICIALS. && $$ FOSTER
226 WHHW40 PHFO 101322 CFWHFO COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 322 AM HST SUN JAN 10 2016 ...HIGH SURF WARNING FOR NORTH AND WEST FACING SHORES OF NIIHAU KAUAI OAHU MOLOKAI AND FOR NORTH FACING SHORES OF MAUI... .A LARGE NORTHWEST SWELL WILL BRING WARNING LEVEL SURF ALONG NORTH AND WEST FACING SHORES OF ISLANDS EXPOSED TO THE SWELL TODAY. SURF IS EXPECTED TO GRADUALLY TREND DOWN TONIGHT THROUGH THE EARLY PART OF THE WEEK. HIZ001>003-006>008-012-013-017-020-110230- /O.CON.PHFO.SU.W.0002.000000T0000Z-160111T0400Z/ NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-WAIANAE COAST- OAHU NORTH SHORE-OAHU KOOLAU-MOLOKAI WINDWARD-MOLOKAI LEEWARD- MAUI WINDWARD WEST-WINDWARD HALEAKALA- 322 AM HST SUN JAN 10 2016 ...HIGH SURF WARNING REMAINS IN EFFECT UNTIL 6 PM HST THIS EVENING... * SURF...ALONG NORTH FACING SHORES...20 TO 30 FEET...LOWERING TO 18 TO 24 FEET TONIGHT. ALONG WEST FACING SHORES...15 TO 20 FEET...SUBSIDING TO 10 TO 15 FEET TONIGHT. * TIMING...THROUGH TODAY. * IMPACTS...HIGH...EXPECT OCEAN WATER OCCASIONALLY SWEEPING ACROSS BEACHES...VERY STRONG BREAKING WAVES AND STRONG RIP CURRENTS. BREAKING WAVES MAY OCCASIONALLY IMPACT HARBORS MAKING NAVIGATING THE HARBOR CHANNEL DANGEROUS. SOME OVERWASH ONTO THE TYPICALLY VULNERABLE COASTAL LOCATIONS WILL BE POSSIBLE DUE TO A COMBINATION OF LARGE SURF AND SLIGHTLY HIGHER THAN NORMAL HIGH TIDES...ESPECIALLY EARLY THIS MORNING. 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. BEACHGOERS... SWIMMERS...AND SURFERS SHOULD HEED ALL ADVICE GIVEN BY OCEAN SAFETY OFFICIALS. && $$
892 WHHW40 PHFO 110112 CFWHFO COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 312 PM HST SUN JAN 10 2016 ...HIGH SURF WARNING EXTENDED FOR NORTH AND WEST FACING SHORES OF NIIHAU KAUAI OAHU MOLOKAI AND FOR NORTH FACING SHORES OF MAUI... .A LARGE NORTHWEST SWELL WILL BRING WARNING LEVEL SURF ALONG NORTH AND WEST FACING SHORES OF ISLANDS EXPOSED TO THE SWELL TONIGHT. SURF IS EXPECTED TO LOWER TO ADVISORY LEVELS BY MONDAY MORNING. HIZ001>003-006>008-012-013-017-020-111415- /O.EXT.PHFO.SU.W.0002.000000T0000Z-160111T1600Z/ NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-WAIANAE COAST- OAHU NORTH SHORE-OAHU KOOLAU-MOLOKAI WINDWARD-MOLOKAI LEEWARD- MAUI WINDWARD WEST-WINDWARD HALEAKALA- 312 PM HST SUN JAN 10 2016 ...HIGH SURF WARNING NOW IN EFFECT UNTIL 6 AM HST MONDAY... * SURF...ALONG NORTH FACING SHORES...20 TO 25 FEET. ALONG WEST FACING SHORES...15 TO 20 FEET. * TIMING...THROUGH TONIGHT. * IMPACTS...HIGH...EXPECT OCEAN WATER OCCASIONALLY SWEEPING ACROSS BEACHES...VERY STRONG BREAKING WAVES AND STRONG RIP CURRENTS. BREAKING WAVES MAY OCCASIONALLY IMPACT HARBORS MAKING NAVIGATING THE HARBOR CHANNEL DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... LARGE BREAKING SURF...SIGNIFICANT SHOREBREAK...AND DANGEROUS CURRENTS MAKE ENTERING THE WATER VERY HAZARDOUS. ANYONE ENTERING THE WATER COULD FACE SIGNIFICANT INJURY OR DEATH. BEACHGOERS... SWIMMERS...AND SURFERS SHOULD HEED ALL ADVICE GIVEN BY OCEAN SAFETY OFFICIALS. && $$ FOSTER
907 WHHW40 PHFO 111350 CFWHFO COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 350 AM HST MON JAN 11 2016 ...HIGH SURF WARNING EXTENDED FOR NORTH AND WEST FACING SHORES OF NIIHAU KAUAI OAHU MOLOKAI AND FOR NORTH FACING SHORES OF MAUI... .A LARGE NORTHWEST SWELL WILL CONTINUE TO GENERATE WARNING LEVEL SURF ALONG NORTH AND WEST FACING SHORES OF ISLANDS EXPOSED TO THE SWELL THROUGH THE DAY TODAY BEFORE LOWERING. SURF IS EXPECTED TO LOWER TO ADVISORY LEVELS BY TONIGHT. HIZ001>003-006>008-012-013-017-020-120300- /O.EXT.PHFO.SU.W.0002.000000T0000Z-160112T0400Z/ NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-WAIANAE COAST- OAHU NORTH SHORE-OAHU KOOLAU-MOLOKAI WINDWARD-MOLOKAI LEEWARD- MAUI WINDWARD WEST-WINDWARD HALEAKALA- 350 AM HST MON JAN 11 2016 ...HIGH SURF WARNING NOW IN EFFECT UNTIL 6 PM HST THIS EVENING... * SURF...ALONG NORTH FACING SHORES...18 TO 25 FEET. ALONG WEST FACING SHORES...12 TO 20 FEET. * TIMING...THROUGH TONIGHT. * IMPACTS...HIGH...EXPECT OCEAN WATER OCCASIONALLY SWEEPING ACROSS BEACHES...VERY STRONG BREAKING WAVES AND STRONG 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. BEACHGOERS... SWIMMERS...AND SURFERS SHOULD HEED ALL ADVICE GIVEN BY OCEAN SAFETY OFFICIALS. && $$
861 WHHW40 PHFO 111352 CFWHFO COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 352 AM HST MON JAN 11 2016 ...HIGH SURF WARNING EXTENDED FOR NORTH AND WEST FACING SHORES OF NIIHAU KAUAI OAHU MOLOKAI AND FOR NORTH FACING SHORES OF MAUI... .A LARGE NORTHWEST SWELL WILL CONTINUE TO GENERATE WARNING LEVEL SURF ALONG NORTH AND WEST FACING SHORES OF ISLANDS EXPOSED TO THE SWELL THROUGH THE DAY TODAY BEFORE LOWERING. SURF IS EXPECTED TO LOWER TO ADVISORY LEVELS BY TONIGHT. HIZ001>003-006>008-012-013-017-020-120300- /O.CON.PHFO.SU.W.0002.000000T0000Z-160112T0400Z/ NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-WAIANAE COAST- OAHU NORTH SHORE-OAHU KOOLAU-MOLOKAI WINDWARD-MOLOKAI LEEWARD- MAUI WINDWARD WEST-WINDWARD HALEAKALA- 352 AM HST MON JAN 11 2016 ...HIGH SURF WARNING REMAINS IN EFFECT UNTIL 6 PM HST THIS EVENING... * SURF...ALONG NORTH FACING SHORES...18 TO 25 FEET. ALONG WEST FACING SHORES...12 TO 20 FEET. * TIMING...THROUGH TODAY. * IMPACTS...HIGH...EXPECT OCEAN WATER OCCASIONALLY SWEEPING ACROSS BEACHES...VERY STRONG BREAKING WAVES AND STRONG RIP CURRENTS. BREAKING WAVES MAY OCCASIONALLY IMPACT HARBORS MAKING NAVIGATING THE HARBOR CHANNEL DANGEROUS. PRECAUTIONARY/PREPAREDNESS ACTIONS... LARGE BREAKING SURF...SIGNIFICANT SHOREBREAK...AND DANGEROUS CURRENTS MAKE ENTERING THE WATER VERY HAZARDOUS. ANYONE ENTERING THE WATER COULD FACE SIGNIFICANT INJURY OR DEATH. BEACHGOERS... SWIMMERS...AND SURFERS SHOULD HEED ALL ADVICE GIVEN BY OCEAN SAFETY OFFICIALS. && $$
373 WHHW40 PHFO 120126 CFWHFO COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE HONOLULU HI 326 PM HST MON JAN 11 2016 ...HIGH SURF ADVISORY ISSUED FOR NORTH AND WEST FACING SHORES OF NIIHAU KAUAI OAHU AND MOLOKAI AND FOR NORTH FACING SHORES OF MAUI... .A LARGE NORTHWEST SWELL WILL PRODUCE ADVISORY LEVEL SURF HEIGHTS ALONG MOST NORTH AND WEST FACING SHORES OF THE SMALLER ISLANDS THROUGH TUESDAY. HIZ001>003-006>008-012-013-017-020-121430- /O.CAN.PHFO.SU.W.0002.000000T0000Z-160112T0400Z/ /O.NEW.PHFO.SU.Y.0003.160112T0126Z-160113T0400Z/ NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-WAIANAE COAST- OAHU NORTH SHORE-OAHU KOOLAU-MOLOKAI WINDWARD-MOLOKAI LEEWARD- MAUI WINDWARD WEST-WINDWARD HALEAKALA- 326 PM HST MON JAN 11 2016 ...HIGH SURF ADVISORY IN EFFECT UNTIL 6 PM HST TUESDAY... ...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 TUESDAY. THE HIGH SURF WARNING HAS BEEN CANCELLED. * SURF...ALONG NORTH FACING SHORES...16 TO 20 FEET. ALONG WEST FACING SHORES...10 TO 14 FEET. * TIMING...THROUGH TUESDAY. * 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
The office that day
Everything else NWS Honolulu, HI issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 8, 6:41 PM HST | Wind Advisory | HFO | Hawaii | 9 hr |
| Jan 9, 3:40 AM HST | High Wind Warning | HFO | Hawaii | 17 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; radar from the NEXRAD Level II archive.