Alert archive / Hawaii / Honolulu County / High Surf Advisories
High Surf Advisories in Honolulu County, Hawaii, 2021
32 high surf advisories in 2021. An alert counts here when it covered this county. The archive of high surf advisories reaches back to 2005.
Honolulu County and its neighbors
Each county as a circle sized by its count in 2021. Tap one for its archive.
- High Surf Advisories
- 32
- Busiest month
- January7 high surf advisories
- Busiest day
- February 22, 20213 high surf advisories
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 | Lasted |
|---|---|---|---|
| Jan 2, 3:21 AM HST | High Surf Advisory | HFO | 12 hr |
| Jan 4, 4:37 AM HST | High Surf Advisory | HFO | 4 days |
| Jan 9, 3:32 AM HST | High Surf Advisory | HFO | 48 hr |
| Jan 11, 3:38 AM HST | High Surf Advisory | HFO | 36 hr |
| Jan 14, 3:44 AM HST | High Surf Advisory | HFO | 48 hr |
| Jan 16, 5:23 AM HST | High Surf Advisory | HFO | 4 days |
| Jan 22, 4:19 PM HST | High Surf Advisory | HFO | 7 days |
| Feb 4, 3:31 AM HST | High Surf Advisory | HFO | 59 hr |
| Feb 8, 3:49 PM HST | High Surf Advisory | HFO | 35 hr |
| Feb 13, 4:06 AM HST | High Surf Advisory | HFO | 3 days |
| Feb 22, 3:55 AM HST | High Surf Advisory | HFO | 12 hr |
| Feb 22, 3:55 AM HST | High Surf Advisory | HFO | 12 hr |
| Feb 22, 3:55 AM HST | High Surf Advisory | HFO | 9 days |
| Mar 7, 3:55 PM HST | High Surf Advisory | HFO | 24 hr |
| Mar 8, 8:07 PM HST | High Surf Advisory | HFO | 19 hr |
| Mar 10, 10:11 AM HST | High Surf Advisory | HFO | 29 hr |
| Mar 12, 4:16 PM HST | High Surf Advisory | HFO | 3 days |
| Mar 16, 3:41 AM HST | High Surf Advisory | HFO | 6 days |
| Apr 5, 3:23 PM HST | High Surf Advisory | HFO | 3 days |
| Apr 30, 3:34 PM HST | High Surf Advisory | HFO | 18 hr |
| Jun 20, 4:34 PM HST | High Surf Advisory | HFO | 23 hr |
| Jul 4, 3:22 PM HST | High Surf Advisory | HFO | 3 days |
| Aug 16, 3:30 PM HST | High Surf Advisory | HFO | 60 hr |
| Aug 21, 4:01 PM HST | High Surf Advisory | HFO | 59 hr |
| Sep 24, 5:57 AM HST | High Surf Advisory | HFO | 22 hr |
| Oct 8, 3:30 PM HST | High Surf Advisory | HFO | 3 days |
| Oct 30, 3:27 PM HST | High Surf Advisory | HFO | 48 hr |
| Nov 3, 3:17 AM HST | High Surf Advisory | HFO | 24 hr |
| Nov 24, 3:29 PM HST | High Surf Advisory | HFO | 60 hr |
| Dec 3, 9:08 AM HST | High Surf Advisory | HFO | 66 hr |
| Dec 6, 3:37 AM HST | High Surf Advisory | HFO | 12 hr |
| Dec 20, 3:08 PM HST | High Surf Advisory | HFO | 5 days |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20202022
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.