High Surf, Niihau
- When
- January 4, 9:00 AM HST to January 5, 1:00 PM HST
- Where
- Niihau forecast zone
- Reported by
- Trained Spotter
- Coordinates
- 22.011, -159.705 (the zone’s center; the record gives no point)
Swells from a series of strong lows far northwest of the islands generated surf of 10 to 18 feet along the north- and west-facing shores of Niihau and Kauai, and the north-facing shores of Oahu, Molokai, and the Big Island of Hawaii; and 8 to 12 feet along the west-facing shores of Oahu, Molokai, and the Big Island. There were no reports of significant property damage or injuries.
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Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS HFO wrote it up.
Swells from a series of strong lows far northwest of the islands generated surf of 10 to 18 feet along the north- and west-facing shores of Niihau and Kauai, and the north-facing shores of Oahu, Molokai, and the Big Island of Hawaii; and 8 to 12 feet along the west-facing shores of Oahu, Molokai, and the Big Island. There were no reports of significant property damage or injuries.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Honolulu, HI wrote its last area forecast discussion before the first event at Jan 4, 4:00 AM HST, 5 hours earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE HONOLULU HI 400 AM HST SAT JAN 4 2014 .SYNOPSIS... SCATTERED LIGHT WINDWARD SHOWERS ARE EXPECTED TODAY WITH NORTHERLY WINDS GIVING WAY TO LIMITED TRADE WINDS. AN UPPER LEVEL DISTURBANCE IS EXPECTED TO MOVE TOWARDS THE ISLANDS FROM THE NORTHWEST ON SUNDAY...AND WILL BRING A VERY UNSTABLE AIRMASS TO THE ISLANDS THROUGH THE MIDDLE OF THE WEEK. HEAVY RAIN AND THUNDERSTORMS ARE POSSIBLE WITH THIS SYSTEM...PARTICULARLY SUNDAY NIGHT AND MONDAY. LINGERING LOW LEVEL MOISTURE WILL CONTINUE SHOWERS DURING THE SECOND HALF OF THE WEEK...WITH ANOTHER STORM SYSTEM POSSIBLE FOR NEXT WEEKEND. && .UPDATE... WIND ADVISORY FOR THE SUMMITS EXTENDED THROUGH 6 PM TODAY. && .DISCUSSION... NO SIGNIFICANT CHANGES TO THE FORECAST PHILOSOPHY AT THIS TIME. THE FRONT THAT BROUGHT WINDS AND RAIN TO THE ISLANDS IS NOW SOUTHEAST OF THE BIG ISLAND...AND IS EXPECTED TO LINGER THERE FOR ANOTHER DAY OR SO. BEHIND THE FRONT...COOL NORTHERLY WINDS AND AIR MOVED OVER THE ISLANDS...FINALLY REACHING BIG ISLAND EARLY THIS MORNING. HIGH PRESSURE NORTHWEST OF THE ISLANDS HAS BEEN HELPING TO BRING THE NORTHERLY WINDS TO THE ISLANDS OVERNIGHT. THE HIGH IS EXPECTED TO MOVE TO THE EAST TODAY...WHICH WILL BRING SOME TRADES BACK TO THE ISLANDS BRIEFLY. HAVE DRIED OUT THE POPS SOME THIS MORNING FROM THE PREVIOUS FORECAST. SHOWERS WILL BE MOST LIKELY OVER THE BIG ISLAND TODAY...BUT ARE EXPECTED TO REMAIN LIGHT. SOME OF THE WIND GAGES AT THE BIG ISLAND SUMMITS HAVE REMAINED AT ADVISORY LEVELS OVERNIGHT...WHILE OTHERS HAVE TRENDED DOWN SIGNIFICANTLY. SOME OF THE MODELS SUGGEST THE WINDS WILL REMAIN NEAR ADVISORY LEVELS THROUGH THE WEEKEND...AND THE 12Z HILO SOUNDING SHOWED 600 MB WINDS WERE NEAR 30 MPH. HAVE OPTED TO EXTEND THE WIND ADVISORY THROUGH TODAY. SUNDAY SEES AN UPPER LEVEL TROUGH MOVING TOWARDS THE ISLANDS FROM THE NORTHWEST. THE ECMWF REMAINS THE STRONGEST...WITH 500 MB TEMPERATURES NEAR -21C. WHILE THE MODELS MAY DISAGREE ON HOW COLD THE AIRMASS WILL BE...THEY ALL AGREE THAT IT WILL BE SUFFICIENTLY COLD ENOUGH TO SUPPORT HEAVY RAIN AND THUNDERSTORM ACTIVITY NEAR THE ISLANDS SUNDAY NIGHT THROUGH MONDAY. AREAS NEAR KAUAI COULD SEE THUNDERSTORM ACTIVITY AS EARLY AS SUNDAY. THE UPPER LEVEL TROUGH IS FORECAST TO MOVE DOWN THE ISLAND CHAIN SUNDAY NIGHT AND MONDAY. BEYOND THAT...THE MODELS DISAGREE ON THE PLACEMENT AND MOVEMENT OF THE TROUGH. THE ECMWF IS THE MOST PESSIMISTIC...BUT ALSO HAS BEEN MORE CONSISTENT RUN TO RUN. THE ECMWF KEEPS THE TROUGH NEAR THE ISLANDS INTO THE MIDDLE OF THE WEEK. AS SUCH...THE CURRENT FORECAST HAS THE POSSIBILITY FOR HEAVY RAIN AND THUNDERSTORMS INTO THE MIDDLE OF THE WEEK. SUSPECT THAT AS THE EVENT GETS CLOSER...WE WILL BE ABLE TO TRIM BACK THE AREAS AT MOST RISK...BUT FOR NOW SUNDAY NIGHT THROUGH WEDNESDAY NIGHT...THE FORECAST HAS THE CHANCE STATE WIDE. AS THE TROUGH REACHES THE BIG ISLAND...THE SUMMIT WINDS ARE EXPECTED TO JUMP UP AGAIN...AND WILL LIKELY REQUIRE ANOTHER ADVISORY. THE ECMWF BACKED OFF SOME ON THE WINDS OVER THE LAST 24 HOURS...SO FUTURE MODEL EXAMINATION WILL BE NEEDED. LINGERING LOW LEVEL MOISTURE WILL KEEP THE CHANCE FOR WET WEATHER OVER THE ISLANDS DURING THE SECOND HALF OF THE WEEK...BUT THE AIRMASS SHOULD BE MORE STABLE. HEADING INTO NEXT WEEKEND...ANOTHER TROUGH COULD BRING MORE UNSETTLED WEATHER. && .MARINE... DUE TO THE NORTHWEST TO NORTHEAST SWELL THAT ARE EXPECTED TODAY...COUPLED WITH THE WINDS BEHIND THE FRONT...THE SMALL CRAFT ADVISORY HAS BEEN EXPANDED TO INCLUDE ALL THE WATERS. NEW NORTHWEST AND NORTHEAST SWELLS ARRIVING TODAY. DUE TO SEPARATE SWELL COMPONENTS...THE RESULTING SURF WILL HAVE VARYING SIZE AND PERIODS. THE STRONGEST COMPONENT WILL BE FROM THE NORTH...AND MORE MODERATE FROM THE NORTHWEST SO SURF HEIGHTS MAY VARY SIGNIFICANTLY FROM BEACH TO BEACH. THE NORTH SWELL WILL LIKELY CAUSE HARBOR SURGES AND DISRUPTION AT HALEIWA KAHULUI AND HILO HARBORS. MARINE WEATHER STATEMENT HAS BEEN ISSUED TO HIGHLIGHT THE CONCERN WITH HARBOR SURGES. && .AVIATION... AIRMET SIERRA CONTINUES FOR MOUNTAIN OBSCURATION OVER THE BIG ISLAND DUE TO THE CLOUDS AND SHOWERS LINGERING BEHIND THE FRONT. CONDITIONS ARE EXPECTED TO CONTINUE TO IMPROVE TODAY...WITH PREDOMINANTLY VFR CONDITIONS EXPECTED. && .HFO WATCHES/WARNINGS/ADVISORIES... HIGH SURF ADVISORY UNTIL 6 PM HST SUNDAY FOR NIIHAU-KAUAI WINDWARD-KAUAI LEEWARD-WAIANAE COAST-OAHU NORTH SHORE-OAHU KOOLAU-OLOMANA-MOLOKAI-MAUI WINDWARD WEST-MAUI CENTRAL VALLEY- WINDWARD HALEAKALA-BIG ISLAND NORTH AND EAST. WIND ADVISORY UNTIL 6 PM HST TODAY FOR BIG ISLAND SUMMITS. SMALL CRAFT ADVISORY UNTIL 6 PM HST SUNDAY FOR ALL HAWAIIAN WATERS- && M BALLARD
The national radar mosaic for the moment the first event began.
13 high surf. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Hawaii in 2014Every state in 2014This day in weather historyWarnings in Hawaii, January 2014
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 488907, 488908, 488909, 488910, 488911, 488912, 488913, 488914, 488915, 488916, 488917, 488918, 488919.