Alert archive / Hawaii / High Surf Warnings
High Surf Warnings in Hawaii, 2020
11 high surf warnings in 2020. 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 high surf warnings reaches back to 2005.
High Surf Warnings by county
Each county as a circle sized by its count in 2020. Tap one for its archive.
- High Surf Warnings
- 11
- Busiest month
- December4 high surf warnings
- Busiest day
- January 9, 20201 high surf warnings
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 9, 3:43 AM HST | High Surf Warning | HFO | Honolulu, Kalawao | 60 hr |
| Jan 21, 3:47 PM HST | High Surf Warning | HFO | Hawaii, Honolulu, Kauai, Kalawao | 47 hr |
| Jan 24, 4:05 PM HST | High Surf Warning | HFO | Honolulu, Kauai, Kalawao | 47 hr |
| Feb 9, 3:35 PM HST | High Surf Warning | HFO | Hawaii, Honolulu, Kauai, Kalawao | 42 hr |
| Feb 25, 3:45 PM HST | High Surf Warning | HFO | Honolulu, Kauai, Kalawao | 12 hr |
| Apr 15, 3:27 PM HST | High Surf Warning | HFO | Honolulu, Kauai, Kalawao | 12 hr |
| Jul 24, 3:50 PM HST | High Surf Warning | HFO | Honolulu, Kalawao | 61 hr |
| Nov 30, 3:28 PM HST | High Surf Warning | HFO | Honolulu, Kauai, Kalawao | 69 hr |
| Dec 5, 3:30 PM HST | High Surf Warning | HFO | Honolulu, Kauai, Kalawao | 40 hr |
| Dec 28, 3:33 AM HST | High Surf Warning | HFO | Honolulu, Kauai | 36 hr |
| Dec 30, 6:26 AM HST | High Surf Warning | HFO | Honolulu, Kauai, Kalawao | 69 hr |
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
Alerts in force nowTornadoes on recordThe radar archive20192021
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.