Flash Flood Warning issued March 21 at 7:47AM HST until March 21 at 11:00AM HST by NWS Honolulu HI

What changed

NWS Active Alerts: Special Marine Warning issued March 21 at 8:11AM HST until March 21 at 9:15AM HST by NWS Honolulu HI.

First seen Mar 21, 2026, 9:34 AM UTC Latest source Mar 21, 2026, 6:11 PM UTC

Update 1 9m ago

Special Marine Warning issued March 21 at 8:11AM HST until March 21 at 9:15AM HST by NWS Honolulu HI

NWS Active Alerts •published Mar 21, 2026, 6:11 PM UTC •fetched Mar 21, 2026, 6:12 PM UTC

Update 2 33m ago

Flash Flood Warning issued March 21 at 7:47AM HST until March 21 at 11:00AM HST by NWS Honolulu HI

NWS Active Alerts •published Mar 21, 2026, 5:47 PM UTC •fetched Mar 21, 2026, 5:48 PM UTC

Update 3 43m ago

Flood Advisory issued March 21 at 7:37AM HST until March 21 at 11:00AM HST by NWS Honolulu HI

NWS Active Alerts •published Mar 21, 2026, 5:37 PM UTC •fetched Mar 21, 2026, 5:38 PM UTC

Update 4 56m ago

Special Marine Warning issued March 21 at 7:24AM HST until March 21 at 8:15AM HST by NWS Honolulu HI

NWS Active Alerts •published Mar 21, 2026, 5:24 PM UTC •fetched Mar 21, 2026, 5:25 PM UTC

Update 5 1h ago

Flood Advisory issued March 21 at 6:51AM HST until March 21 at 10:00AM HST by NWS Honolulu HI

NWS Active Alerts •published Mar 21, 2026, 4:51 PM UTC •fetched Mar 21, 2026, 4:52 PM UTC

Update 6 1h ago

Special Marine Warning issued March 21 at 6:28AM HST until March 21 at 7:30AM HST by NWS Honolulu HI

NWS Active Alerts •published Mar 21, 2026, 4:28 PM UTC •fetched Mar 21, 2026, 4:29 PM UTC

Update 7 2h ago

Special Marine Warning issued March 21 at 5:39AM HST until March 21 at 7:45AM HST by NWS Honolulu HI

NWS Active Alerts •published Mar 21, 2026, 3:39 PM UTC •fetched Mar 21, 2026, 3:41 PM UTC

Update 8 3h ago

Flood Advisory issued March 21 at 4:59AM HST until March 21 at 8:00AM HST by NWS Honolulu HI

NWS Active Alerts •published Mar 21, 2026, 2:59 PM UTC •fetched Mar 21, 2026, 2:59 PM UTC

Update 9 3h ago

Flash Flood Warning issued March 21 at 4:55AM HST until March 21 at 8:00AM HST by NWS Honolulu HI

NWS Active Alerts •published Mar 21, 2026, 2:55 PM UTC •fetched Mar 21, 2026, 2:56 PM UTC

Update 10 4h ago

Winter Storm Watch issued March 21 at 3:56AM HST until March 22 at 6:00PM HST by NWS Honolulu HI

NWS Active Alerts •published Mar 21, 2026, 1:56 PM UTC •fetched Mar 21, 2026, 1:56 PM UTC

Update 11 4h ago

Flood Watch issued March 21 at 3:53AM HST until March 22 at 6:00PM HST by NWS Honolulu HI

NWS Active Alerts •published Mar 21, 2026, 1:53 PM UTC •fetched Mar 21, 2026, 1:54 PM UTC

Update 12 4h ago

Flood Advisory issued March 21 at 3:53AM HST until March 21 at 7:00AM HST by NWS Honolulu HI

NWS Active Alerts •published Mar 21, 2026, 1:53 PM UTC •fetched Mar 21, 2026, 1:53 PM UTC

Update 13 4h ago

Flash Flood Warning issued March 21 at 3:52AM HST until March 21 at 6:00AM HST by NWS Honolulu HI

NWS Active Alerts •published Mar 21, 2026, 1:52 PM UTC •fetched Mar 21, 2026, 1:53 PM UTC

Update 14 4h ago

Special Marine Warning issued March 21 at 3:42AM HST until March 21 at 5:45AM HST by NWS Honolulu HI

NWS Active Alerts •published Mar 21, 2026, 1:42 PM UTC •fetched Mar 21, 2026, 1:43 PM UTC

Update 15 4h ago

Flash Flood Warning issued March 21 at 3:23AM HST until March 21 at 6:00AM HST by NWS Honolulu HI

NWS Active Alerts •published Mar 21, 2026, 1:23 PM UTC •fetched Mar 21, 2026, 1:25 PM UTC

Update 16 5h ago

Flash Flood Warning issued March 21 at 2:45AM HST until March 21 at 6:00AM HST by NWS Honolulu HI

NWS Active Alerts •published Mar 21, 2026, 12:45 PM UTC •fetched Mar 21, 2026, 12:46 PM UTC

Update 17 6h ago

Flood Advisory issued March 21 at 2:13AM HST until March 21 at 4:00AM HST by NWS Honolulu HI

NWS Active Alerts •published Mar 21, 2026, 12:13 PM UTC •fetched Mar 21, 2026, 12:14 PM UTC

Update 18 6h ago

Flash Flood Warning issued March 21 at 1:56AM HST until March 21 at 5:00AM HST by NWS Honolulu HI

NWS Active Alerts •published Mar 21, 2026, 11:56 AM UTC •fetched Mar 21, 2026, 11:57 AM UTC