Hawaii, 2001

High Surf in Hawaii, October 19 to 23, 2001

October 19 to 23, 2001 · NWS HFO · 3 events in 3 counties and zones

A trade wind swell generated surf of 4 to 8 feet along the northeast- and east-facing shores of Kauai, Oahu, and the Island of Hawaii.

Where it happened

Every event with a place to put it; 2 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
3

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.

What happened

The episode as NWS HFO wrote it up.

A trade wind swell generated surf of 4 to 8 feet along the northeast- and east-facing shores of Kauai, Oahu, and the Island of Hawaii.

What forecasters said that day

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 Oct 19, 4:00 AM HST, 5 hours earlier.

Area forecast discussion, Oct 19, 4:00 AM HST, 5 hours before
HAWAIIAN ISLANDS SYNOPTIC DISCUSSION AND GUIDANCE
NATIONAL WEATHER SERVICE HONOLULU HI
4 AM HST FRI OCT 19 2001

SUMMARY...TRADE WIND FLOW WILL CONTINUE FIRM WITH JUST MINOR SHOWER
ACTIVITY AND MUCH SUNSHINE THRU THE WEEKEND.

DISCUSSION...THE ISLANDS CURRENTLY LIE IN A RELATIVELY BENIGN REGION
BETWEEN TWO UPPER LEVEL LOWS. THIS SITUATION WITH A SURFACE HIGH
MAINTAINING MODERATE TO FRESH TRADE WIND SPEEDS IS LIKELY TO
CONTINUE THRU MONDAY. HOWEVER A PEEL OFF LOW FROM THE CURRENT ONE
NORTHEAST OF THE ISLANDS IS PROJECTED TO MIGRATE TO A POSITION
NORTH OF THE ISLANDS ON TUESDAY. THE AVIATION AND MRF MODELS PREFER
A STRONGER AND CLOSER LOW POSITION THAN THE THE NOGAPS. THE LATTERS
SOLUTION WOULD LEAVE ISLAND WEATHER NEARLY UNCHANGED. THE LONGER
RANGED MRF FURTHER PROJECTS THE SEASONS FIRST DEEP TROUGHED COLD
FRONT WITH LARGE NORTHERLY SURF AT THE END OF NEXT WEEK. ALTHO WE
REMAIN SOMEWHAT SKEPTICAL AND NOT FULLY COMMITTED TO THE MRFS
INTERESTING PROJECTION  WE WILL RETAIN..RATHER THAN FLIP FLOP..THE
CURRENT WETTER LOSS OF TRADE WIND FORECAST PACKAGE FOR NEXT WEEK.
MATSUDA

.PHFO......WARNINGS.....NONE
.          WATCHES......NONE
.          ADVISORIES...NONE

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

3 high surf. Local standard time, as filed.

High Surf, Kauai

When
October 19, 9:00 AM HST to October 23, 1:00 PM HST
Where
Kauai forecast zone
Reported by
TRAINED SPOTTER
Coordinates
22.011, -159.705 (the zone’s center; the record gives no point)

High Surf, North and East Hawaii Including Windward Kohala / Hamakua / Hilo / Puna

When
October 19, 9:00 AM HST to October 23, 1:00 PM HST
Where
North and East Hawaii Including Windward Kohala / Hamakua / Hilo / Puna forecast zone
Reported by
TRAINED SPOTTER
Coordinates
22.011, -159.705 (the zone’s center; the record gives no point)

High Surf, Oahu

When
October 19, 9:00 AM HST to October 23, 1:00 PM HST
Where
Oahu forecast zone
Reported by
TRAINED SPOTTER

What these are

High Surf
Large waves breaking on the shore that caused damage, erosion or casualties.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Hawaii in 2001Every state in 2001This day in weather historyWarnings in Hawaii, October 2001

Sources

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: 5271588, 5271589, 5271590.