392 

FZHW70 PHFO 210801

MWSHFO



Marine Weather Statement

National Weather Service Honolulu HI

1001 PM HST Fri Mar 20 2026



PHZ117-118-120-210810-

/O.CAN.PHFO.MA.W.0052.000000T0000Z-260321T0930Z/

1001 PM HST Fri Mar 20 2026



...THE SPECIAL MARINE WARNING IS CANCELLED...



The affected areas were... 

Maui County Leeward Waters...

Maui County Windward Waters...

Pailolo Channel...



The thunderstorm has weakened and no longer poses a significant

threat to boaters.



&&



LAT...LON 2094 15636 2089 15647 2091 15650 2100 15654

      2104 15660 2099 15668 2095 15670 2086 15668

      2084 15679 2097 15684 2115 15648

TIME...MOT...LOC 0756Z 253DEG 37KT 2102 15643 



$$



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640 

WGHW50 PHFO 210838

FFWHFO

HIC003-211200-

/O.EXT.PHFO.FF.W.0017.000000T0000Z-260321T1200Z/

/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/



BULLETIN - EAS ACTIVATION REQUESTED

Flash Flood Warning

National Weather Service Honolulu HI

1038 PM HST Fri Mar 20 2026



The National Weather Service in Honolulu has extended the



* Flash Flood Warning for...

  The island of Oahu in Honolulu County



* Until 200 AM HST.



* At 1038 PM HST, emergency management reported numerous closed 

  roads due to flooding. While the latest radar shows a significant 

  decrease in shower coverage and intensity, return showers are 

  expected into the early morning hours. The Wahiawa Reservoir 

  remains elevated and will continue to be a concern due to 

  additional heavy rain expected over the next few days.



  HAZARD...Flash flooding caused by heavy rain.



  SOURCE...Emergency management.



  IMPACT...Flooding in drainages, streams, rivers, roads,

           properties, and other low-lying areas. Public road

           closures possible in some areas. Landslides are

           possible in steep terrain.



* Some locations that will experience flash flooding include...

  Wahiawa, Schofield Barracks, Wheeler Field, Haleiwa, Waialua, 

  Mililani, Hauula, Laie, Waianae, Punaluu, Kahuku, Nanakuli, 

  Waikane, Kaaawa, Helemano Housing, Whitmore Village, Waimea 

  Valley, Waimea Bay, Mokuleia and Pupukea.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Stay away from streams, rivers, drainage ditches, and culverts, even 

if they are currently dry.



Do not cross fast flowing or rising water in your vehicle, or on 

foot. Turn around, don't drown.



Be especially cautious at night when it is harder to recognize the 

dangers of flooding.



&&



This warning may need to be extended beyond 200 AM HST if flooding 

persists.



LAT...LON 2148 15824 2153 15825 2157 15829 2158 15829

      2159 15828 2160 15813 2169 15805 2173 15798

      2155 15783 2150 15783 2140 15818



FLASH FLOOD...OBSERVED



$$



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