High Surf Advisories in Guam
422 high surf advisories since 1986. 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 advisories reaches back to 2005.
- High Surf Advisories
- 422
- Busiest year
- 202238 high surf advisories
- Average year
- 20over 21 years on file
Over time
By year
Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.
By month of the year
The latest high surf advisories
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 2, 3:04 AM CDT | High Surf Advisory | GUM | 58 hr | |
| Aug 21, 1:07 AM CDT | High Surf Advisory | GUM | 4 days | |
| Aug 2, 12:29 AM CDT | High Surf Advisory | GUM | 12 days | |
| Jul 8, 12:55 AM CDT | High Surf Advisory | GUM | 4 days | |
| Jul 4, 3:40 AM CDT | High Surf Advisory | GUM | 15 hr | |
| May 6, 10:59 AM CDT | High Surf Advisory | GUM | 37 hr | |
| Apr 15, 10:24 PM CDT | High Surf Advisory | GUM | 4 days | |
| Apr 10, 1:37 AM CDT | High Surf Advisory | GUM | 49 hr | |
| Mar 16, 1:19 PM CDT | High Surf Advisory | GUM | 5 days | |
| Mar 16, 12:45 AM CDT | High Surf Advisory | GUM | 13 hr | |
| Mar 12, 1:06 AM CDT | High Surf Advisory | GUM | 3 days | |
| Mar 3, 6:52 PM CST | High Surf Advisory | GUM | 6 days |
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. Rebuilt daily.