Alert archive / Guam / High Surf Advisories / 2025
High Surf Advisories in Guam, December 2025
5 high surf advisories in December 2025. 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
- 5
- Busiest day
- December 6, 20251 high surf advisories
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 5, 10:19 PM CST | High Surf Advisory | GUM | 50 hr | |
| Dec 17, 12:08 AM CST | High Surf Advisory | GUM | 6 days | |
| Dec 24, 11:36 PM CST | High Surf Advisory | GUM | 25 hr | |
| Dec 27, 11:35 PM CST | High Surf Advisory | GUM | 12 hr | |
| Dec 28, 8:36 PM CST | High Surf Advisory | GUM | 51 hr |
Nearby
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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.