762 FZHW70 PHFO 200800 MWSHFO Marine Weather Statement National Weather Service Honolulu HI 1000 PM HST Thu Mar 19 2026 PHZ113>115-201000- 1000 PM HST Thu Mar 19 2026 The areas affected include... Kauai Channel... Oahu Leeward Waters... Oahu Windward Waters... At 957 PM HST, Doppler radar showed a large area of heavy showers, capable of producing winds to around 30 knots. These showers were located across the Kauai Channel, around 16 nm west of FAD Buoy CO, or 27 nm west of Kaena State Park, moving east at 15 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners can expect gusty winds to around 30 knots...locally higher waves...and lightning strikes. Boaters should seek safe harbor immediately until this storm passes. && LAT...LON 2214 15819 2160 15811 2157 15827 2136 15813 2128 15819 2116 15881 2142 15893 2131 15909 2130 15924 2168 15928 $$ Gibbs  794 WGHW50 PHFO 200857 FFWHFO HIC003-201200- /O.NEW.PHFO.FF.W.0017.260320T0857Z-260320T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Honolulu HI 1057 PM HST Thu Mar 19 2026 The National Weather Service in Honolulu has issued a * Flash Flood Warning for... The island of Oahu in Honolulu County * Until 200 AM HST. * At 1057 PM HST, radar and rain gauges indicated heavy rain falling over the northern half of Oahu. Rain was falling at a rate of 1 to 3 inches per hour. Flash flooding is ongoing or expected to begin shortly. Oahu Emergency Management officials are reporting streams and drainages near Waialua are rapidly filling up with water. HAZARD...Flash flooding caused by heavy rain. SOURCE...Radar and automated gauges. IMPACT...Flooding in drainages, streams, rivers, roads, properties, and other low-lying areas. Public road closures possible in some areas. Landslides are possible in steep terrain. * Some locations that will experience flash flooding include... northern half of Oahu, along and north of a line from Waianae Valley to Schofield Barracks to Kualoa Ranch. PRECAUTIONARY/PREPAREDNESS ACTIONS... Stay away from streams, rivers, drainage ditches, and culverts, even if they are currently dry. Be especially cautious at night when it is harder to recognize the dangers of flooding. The heavy rains may cause rock and mudslides in steep terrain areas. && This warning may need to be extended beyond 200 AM HST if flooding persists. LAT...LON 2148 15824 2153 15825 2157 15829 2158 15829 2159 15828 2160 15813 2169 15805 2173 15798 2155 15783 2150 15783 2140 15818 FLASH FLOOD...RADAR AND GAUGE INDICATED $$ RCB