Alert archive / Hawaii / Flood Watches
Flood Watches in Hawaii, 2026
13 flood watches in 2026. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of flood watches reaches back to 2005.
Flood Watches by county
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Flood Watches
- 13
- Busiest month
- February3 flood watches
- Busiest day
- January 2, 20261 flood watches
Over time
By month
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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 2, 12:50 PM HST | Flood Watch | HFO | Hawaii, Honolulu, Kauai, Kalawao | 4 days |
| Feb 6, 3:42 AM HST | Flood Watch | HFO | Hawaii, Honolulu, Kauai, Kalawao | 3 days |
| Feb 19, 3:13 PM HST | Flood Watch | HFO | Honolulu, Kauai | 60 hr |
| Feb 22, 9:01 AM HST | Flood Watch | HFO | Hawaii, Honolulu, Kauai, Kalawao | 30 hr |
| Mar 9, 3:06 AM HST | Flood Watch | HFO | Hawaii, Honolulu, Kauai, Kalawao | 7 days |
| Mar 18, 2:59 PM HST | Flood Watch | HFO | Hawaii, Honolulu, Kauai, Kalawao | 6 days |
| Apr 6, 2:31 PM HST | Flood Watch | HFO | Hawaii, Honolulu, Kauai, Kalawao | 7 days |
| May 15, 1:35 AM HST | Flood Watch | HFO | Hawaii, Honolulu, Kauai, Kalawao | 26 hr |
| Aug 13, 4:53 PM HST | Flood Watch | HFO | Hawaii, Honolulu, Kauai, Kalawao | 3 days |
| Aug 21, 3:29 AM HST | Flood Watch | HFO | Hawaii | 4 days |
| Sep 5, 3:44 PM HST | Flood Watch | HFO | Hawaii, Honolulu, Kauai, Kalawao | 4 days |
| Sep 16, 3:41 PM HST | Flood Watch | HFO | Hawaii, Honolulu, Kauai, Kalawao | 35 hr |
| Sep 22, 2:48 PM HST | Flood Watch | HFO | Hawaii, Kalawao | 5 days |
By county
Every county with at least one alert. A county page lists each alert that covered it.
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
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.