Alert archive / Hawaii / Small Craft Advisories
Small Craft Advisories in Hawaii, 2021
57 small craft advisories in 2021. 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 small craft advisories reaches back to 2005.
Small Craft Advisories by county
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Small Craft Advisories
- 57
- Busiest month
- January8 small craft advisories
- Busiest day
- January 5, 20212 small craft 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 | Counties | Lasted |
|---|---|---|---|---|
| Jan 4, 4:01 PM HST | Small Craft Advisory | HFO | 18 hr | |
| Jan 5, 9:47 AM HST | Small Craft Advisory | HFO | 3 days | |
| Jan 9, 3:36 AM HST | Small Craft Advisory | HFO | 3 days | |
| Jan 13, 9:23 AM HST | Small Craft Advisory | HFO | 18 days | |
| Jan 15, 10:06 AM HST | Small Craft Advisory | HFO | 54 hr | |
| Jan 17, 3:45 PM HST | Small Craft Advisory | HFO | 24 hr | |
| Jan 19, 3:20 PM HST | Small Craft Advisory | HFO | 9 days | |
| Jan 28, 3:30 AM HST | Small Craft Advisory | HFO | 6 min | |
| Feb 2, 9:07 PM HST | Small Craft Advisory | HFO | 4 days | |
| Feb 3, 4:13 PM HST | Small Craft Advisory | HFO | 71 hr | |
| Feb 8, 3:49 PM HST | Small Craft Advisory | HFO | 48 hr | |
| Feb 11, 3:35 AM HST | Small Craft Advisory | HFO | 4 days | |
| Feb 17, 3:02 PM HST | Small Craft Advisory | HFO | 21 days | |
| Feb 25, 6:44 PM HST | Small Craft Advisory | HFO | 69 hr | |
| Mar 10, 3:11 PM HST | Small Craft Advisory | HFO | 13 hr | |
| Mar 12, 3:56 AM HST | Small Craft Advisory | HFO | 10 days | |
| Mar 16, 3:36 PM HST | Small Craft Advisory | HFO | 5 days | |
| Mar 25, 3:28 PM HST | Small Craft Advisory | HFO | 4 days | |
| Mar 29, 3:39 PM HST | Small Craft Advisory | HFO | 12 hr | |
| Mar 30, 3:26 PM HST | Small Craft Advisory | HFO | 48 hr | |
| Apr 2, 3:25 PM HST | Small Craft Advisory | HFO | 7 days | |
| Apr 12, 9:04 PM HST | Small Craft Advisory | HFO | 67 hr | |
| Apr 22, 3:20 AM HST | Small Craft Advisory | HFO | 4 days | |
| Apr 30, 9:31 AM HST | Small Craft Advisory | HFO | 66 hr | |
| May 4, 9:01 PM HST | Small Craft Advisory | HFO | 30 hr | |
| May 7, 3:00 AM HST | Small Craft Advisory | HFO | 16 days | |
| Jun 1, 3:04 PM HST | Small Craft Advisory | HFO | 11 days | |
| Jun 15, 3:40 AM HST | Small Craft Advisory | HFO | 60 hr | |
| Jun 29, 3:19 PM HST | Small Craft Advisory | HFO | 8 days | |
| Jul 10, 3:26 AM HST | Small Craft Advisory | HFO | 4 days | |
| Jul 14, 3:19 PM HST | Small Craft Advisory | HFO | 9 days | |
| Jul 23, 3:40 AM HST | Small Craft Advisory | HFO | 17 days | |
| Aug 12, 3:50 PM HST | Small Craft Advisory | HFO | 59 hr | |
| Aug 19, 3:31 AM HST | Small Craft Advisory | HFO | 48 hr | |
| Aug 21, 9:39 AM HST | Small Craft Advisory | HFO | 7 hr | |
| Aug 21, 9:00 PM HST | Small Craft Advisory | HFO | 54 hr | |
| Aug 23, 3:00 AM HST | Small Craft Advisory | HFO | 24 hr | |
| Aug 24, 3:00 AM HST | Small Craft Advisory | HFO | 3 days | |
| Sep 2, 3:00 AM HST | Small Craft Advisory | HFO | 3 days | |
| Sep 7, 3:47 PM HST | Small Craft Advisory | HFO | 36 hr | |
| Sep 9, 3:25 AM HST | Small Craft Advisory | HFO | 12 hr | |
| Sep 12, 3:31 AM HST | Small Craft Advisory | HFO | 12 hr | |
| Sep 15, 10:09 AM HST | Small Craft Advisory | HFO | 8 days | |
| Sep 24, 3:55 AM HST | Small Craft Advisory | HFO | 4 days | |
| Sep 30, 3:46 AM HST | Small Craft Advisory | HFO | 47 hr | |
| Oct 4, 3:23 AM HST | Small Craft Advisory | HFO | 15 days | |
| Oct 21, 4:51 PM HST | Small Craft Advisory | HFO | 4 days | |
| Nov 1, 3:27 PM HST | Small Craft Advisory | HFO | 6 days | |
| Nov 5, 3:09 AM HST | Small Craft Advisory | HFO | 48 hr | |
| Nov 19, 3:20 AM HST | Small Craft Advisory | HFO | 12 hr | |
| Nov 21, 3:21 AM HST | Small Craft Advisory | HFO | 36 hr | |
| Nov 25, 9:52 AM HST | Small Craft Advisory | HFO | 30 hr | |
| Nov 27, 3:35 PM HST | Small Craft Advisory | HFO | 3 days | |
| Dec 2, 3:32 PM HST | Small Craft Advisory | HFO | 14 days | |
| Dec 5, 8:02 PM HST | Small Craft Advisory | HFO | 10 days | |
| Dec 18, 3:26 AM HST | Small Craft Advisory | HFO | 6 days | |
| Dec 23, 11:48 PM HST | Small Craft Advisory | HFO | 7 days |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe 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. Rebuilt daily.