Alert archive / Hawaii / 2025

Weather alerts in Hawaii, April 2025

56 weather alerts in April 2025, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.

Weather alerts by county

Each county as a circle sized by its count in April 2025. Tap one for its archive.

Alerts
56
Warnings
13
Watches
1
Advisories
41
Busiest day
April 18, 202518 alerts

Over time

By day

Days in UTC, the clock the archive keeps.

The alerts

Every alert, in the order issued. Times are local, Hawaii-Aleutian Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeCountiesLasted
Apr 3, 9:34 AM HSTAreal Flood AdvisoryHFOKauai3 hr
Apr 4, 3:15 AM HSTSmall Craft AdvisoryHFO4 days
Apr 4, 3:13 PM HSTHigh Surf WarningHFOHawaii, Honolulu, Kauai, Kalawao60 hr
Apr 4, 3:13 PM HSTHigh Surf AdvisoryHFOHawaii, Honolulu, Kauai, Kalawao4 days
Apr 6, 3:00 AM HSTWind AdvisoryHFOHawaii, Kalawao19 hr
Apr 9, 3:05 AM HSTSmall Craft AdvisoryHFO6 days
Apr 9, 4:15 PM HSTAreal Flood AdvisoryHFOHawaii2 hr
Apr 16, 6:00 PM HSTAreal Flood AdvisoryHFOHonolulu2 hr
Apr 16, 10:40 PM HSTSpecial Marine WarningHFO72 min
Apr 16, 11:02 PM HSTAreal Flood AdvisoryHFOKauai66 min
Apr 17, 2:09 AM HSTWinter Weather AdvisoryHFOHawaii50 hr
Apr 17, 2:57 AM HSTAreal Flood AdvisoryHFOHonolulu67 min
Apr 17, 5:35 AM HSTAreal Flood AdvisoryHFOHonolulu103 min
Apr 17, 8:59 AM HSTAreal Flood AdvisoryHFOKauai3 hr
Apr 17, 9:17 AM HSTAreal Flood AdvisoryHFOHonolulu8 hr
Apr 17, 11:30 AM HSTSpecial Marine WarningHFO60 min
Apr 17, 11:49 AM HSTAreal Flood AdvisoryHFOKauai9 hr
Apr 17, 3:19 PM HSTHigh Surf AdvisoryHFOHonolulu, Kauai, Kalawao12 hr
Apr 17, 4:51 PM HSTAreal Flood AdvisoryHFOKalawao3 hr
Apr 17, 7:20 PM HSTAreal Flood AdvisoryHFOKalawao2 hr
Apr 17, 8:36 PM HSTAreal Flood AdvisoryHFOHonolulu3 hr
Apr 18, 2:01 AM HSTAreal Flood AdvisoryHFOKauai6 hr
Apr 18, 8:17 AM HSTFlash Flood WarningHFOKauai3 hr
Apr 18, 11:56 AM HSTAreal Flood AdvisoryHFOKalawao4 hr
Apr 18, 11:59 AM HSTAreal Flood AdvisoryHFOHonolulu65 min
Apr 18, 12:26 PM HSTAreal Flood AdvisoryHFOKalawao4 hr
Apr 18, 12:35 PM HSTSpecial Marine WarningHFO55 min
Apr 18, 12:37 PM HSTAreal Flood AdvisoryHFOKalawao3 hr
Apr 18, 1:04 PM HSTFlash Flood WarningHFOHonolulu105 min
Apr 18, 1:06 PM HSTSpecial Weather StatementHFOHonolulu24 min
Apr 18, 1:15 PM HSTAreal Flood AdvisoryHFOHonolulu12 min
Apr 18, 1:18 PM HSTFlash Flood WarningHFOKalawao3 hr
Apr 18, 1:27 PM HSTFlash Flood WarningHFOHonolulu3 hr
Apr 18, 1:27 PM HSTSpecial Marine WarningHFO63 min
Apr 18, 1:55 PM HSTSpecial Marine WarningHFO65 min
Apr 18, 2:01 PM HSTAreal Flood AdvisoryHFOHonolulu118 min
Apr 18, 2:40 PM HSTSpecial Marine WarningHFO35 min
Apr 18, 3:08 PM HSTAreal Flood AdvisoryHFOKauai3 hr
Apr 18, 3:13 PM HSTSpecial Marine WarningHFO33 min
Apr 18, 3:16 PM HSTAreal Flood AdvisoryHFOKalawao44 min
Apr 18, 4:02 PM HSTSpecial Marine WarningHFO44 min
Apr 20, 3:14 PM HSTAreal Flood AdvisoryHFOKalawao2 hr
Apr 20, 4:14 PM HSTAreal Flood AdvisoryHFOHawaii3 hr
Apr 21, 3:17 PM HSTFlood WatchHFOKauai55 hr
Apr 23, 4:49 AM HSTAreal Flood AdvisoryHFOKalawao3 hr
Apr 26, 2:24 PM HSTAreal Flood AdvisoryHFOHonolulu63 min
Apr 27, 12:01 PM HSTAreal Flood AdvisoryHFOHonolulu3 hr
Apr 27, 1:06 PM HSTAreal Flood AdvisoryHFOHonolulu111 min
Apr 28, 2:00 PM HSTAreal Flood AdvisoryHFOHonolulu5 hr
Apr 28, 5:29 PM HSTAreal Flood AdvisoryHFOKauai2 hr
Apr 29, 12:38 PM HSTAreal Flood AdvisoryHFOHonolulu3 hr
Apr 29, 1:45 PM HSTAreal Flood AdvisoryHFOHonolulu4 hr
Apr 29, 2:47 PM HSTAreal Flood AdvisoryHFOKalawao99 min
Apr 29, 2:54 PM HSTAreal Flood AdvisoryHFOKalawao6 hr
Apr 29, 6:03 PM HSTAreal Flood AdvisoryHFOKalawao3 hr
Apr 29, 6:09 PM HSTAreal Flood AdvisoryHFOHawaii3 hr

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

By county

Every county with at least one alert. A county page lists each alert that covered it.

Nearby

Alerts in force nowTornadoes on recordThe radar archive20242026

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.