Alert archive / Guam / High Surf Advisories

High Surf Advisories in Guam, 2025

19 high surf advisories in 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
19
Busiest month
December5 high surf advisories
Busiest day
January 4, 20251 high surf advisories

Over time

By month

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.

IssuedProductOfficeCountiesLasted
Jan 4, 12:44 PM CSTHigh Surf AdvisoryGUM35 hr
Jan 14, 11:42 AM CSTHigh Surf AdvisoryGUM4 days
Jan 18, 11:07 PM CSTHigh Surf AdvisoryGUM25 hr
Jan 28, 11:30 PM CSTHigh Surf AdvisoryGUM5 days
Feb 4, 11:56 PM CSTHigh Surf AdvisoryGUM71 hr
Feb 8, 11:01 PM CSTHigh Surf AdvisoryGUM6 days
Feb 20, 11:14 AM CSTHigh Surf AdvisoryGUM4 days
Feb 25, 1:51 AM CSTHigh Surf AdvisoryGUM69 hr
Mar 10, 1:06 PM CDTHigh Surf AdvisoryGUM5 days
Jul 23, 1:15 AM CDTHigh Surf AdvisoryGUM6 days
Sep 24, 11:46 PM CDTHigh Surf AdvisoryGUM49 hr
Nov 4, 12:57 AM CSTHigh Surf AdvisoryGUM4 days
Nov 21, 12:36 AM CSTHigh Surf AdvisoryGUM11 hr
Nov 30, 2:50 AM CSTHigh Surf AdvisoryGUM3 days
Dec 5, 10:19 PM CSTHigh Surf AdvisoryGUM50 hr
Dec 17, 12:08 AM CSTHigh Surf AdvisoryGUM6 days
Dec 24, 11:36 PM CSTHigh Surf AdvisoryGUM25 hr
Dec 27, 11:35 PM CSTHigh Surf AdvisoryGUM12 hr
Dec 28, 8:36 PM CSTHigh Surf AdvisoryGUM51 hr

The busiest days

Days with the most alerts issued, by UTC date.

  1. January 4, 20251high surf advisories
  2. January 14, 20251high surf advisories
  3. January 19, 20251high surf advisories
  4. January 29, 20251high surf advisories
  5. February 5, 20251high surf advisories
  6. February 9, 20251high surf advisories
  7. February 20, 20251high surf advisories
  8. February 25, 20251high surf advisories
  9. March 10, 20251high surf advisories
  10. July 23, 20251high surf advisories
  11. September 25, 20251high surf advisories
  12. November 4, 20251high surf advisories

Nearby

Alerts in force nowTornadoes on recordThe radar archive20242026

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.