117
WGHW60 PHFO 180145
FFAHFO
FLOOD WATCH
NATIONAL WEATHER SERVICE HONOLULU HI
345 PM HST WED DEC 17 2025
...FLOOD WATCH REMAINS IN EFFECT THROUGH 6 PM HST THURSDAY FOR THE
ISLANDS OF NIIHAU KAUAI AND OAHU...
HIZ001-003-004-006-007-009>011-029>036-181545-
/O.CON.PHFO.FA.A.0008.000000T0000Z-251219T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NIIHAU-KAUAI SOUTHWEST-KAUAI MOUNTAINS-WAIANAE COAST-OAHU NORTH
SHORE-OLOMANA-CENTRAL OAHU-WAIANAE MOUNTAINS-KAUAI NORTH-KAUAI
EAST-KAUAI SOUTH-EAST HONOLULU-HONOLULU METRO-EWA PLAIN-KOOLAU
WINDWARD-KOOLAU LEEWARD-
345 PM HST WED DEC 17 2025
* WHAT...FLASH FLOODING CAUSED BY EXCESSIVE RAINFALL CONTINUES TO BE
POSSIBLE.
* WHERE...KAUAI, OAHU, AND NIIHAU.
* WHEN...THROUGH THURSDAY AFTERNOON.
* IMPACTS...SIGNIFICANT FLOODING MAY OCCUR DUE TO THE OVERFLOW OF
STREAMS AND DRAINAGES. ROADS IN SEVERAL AREAS MAY BE CLOSED, ALONG
WITH PROPERTY DAMAGE IN URBAN OR LOW LYING SPOTS DUE TO RUNOFF.
LANDSLIDES MAY ALSO OCCUR IN AREAS WITH STEEP TERRAIN.
* ADDITIONAL DETAILS...
- A WEAKENING COLD FRONT STALLING OUT NEAR KAUAI AND OAHU WILL
CONTINUE TO PRODUCE SOUTHERLY WINDS, DRAWING UP ADDITIONAL
UNSTABLE AND DEEP TROPICAL MOISTURE ACROSS THE WESTERN HALF
OF THE STATE. EXPECT PERIODS OF MODERATE TO LOCALLY HEAVY
SHOWERS AND ISOLATED THUNDERSTORMS THROUGH THURSDAY WITH
POTENTIAL FLOODING IMPACTS OVER THE ISLANDS OF NIIHAU, KAUAI,
AND OAHU.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.
VAUGHAN
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