WGHW70 PHFO 211323

FFSHFO



Flash Flood Statement

National Weather Service Honolulu HI

323 AM HST Sat Mar 21 2026



HIC003-211600-

/O.CON.PHFO.FF.W.0019.000000T0000Z-260321T1600Z/

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

Honolulu HI-

323 AM HST Sat Mar 21 2026



...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 6 AM HST EARLY THIS 

MORNING FOR THE ISLAND OF OAHU IN HONOLULU COUNTY...



At 323 AM HST, radar indicated heavy rain over southwest Oahu. Rain 

was falling at a rate of 1 to 3 inches per hour. Flash flooding is 

ongoing or expected to begin shortly.



HAZARD...Flash flooding caused by heavy rain.



SOURCE...Radar.



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...

Honolulu, Waipio, Moanalua, Halawa, Salt Lake, Aiea, Kalihi, Pearl 

City, Ahuimanu, Iroquois Point, Manoa, Kahaluu, Kaneohe, Waiahole, 

Waipahu, Waikele, Palolo, Maunawili, Waikane and Ewa Beach.



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.



Excessive runoff from heavy rainfall will cause flooding of drainage 

ditches and streams, streets, highways, properties, and other low 

lying spots.



&&



LAT...LON 2147 15783 2143 15779 2144 15778 2147 15779

      2147 15772 2146 15771 2141 15773 2134 15769

      2131 15764 2126 15769 2125 15772 2127 15773

      2125 15783 2129 15787 2130 15790 2129 15796

      2131 15797 2129 15811 2140 15818 2150 15783



FLASH FLOOD...RADAR INDICATED



$$



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