Alert archive / Guam / High Surf Warnings

High Surf Warnings in Guam, 2026

5 high surf warnings in 2026. 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
5
Busiest month
March2 high surf warnings
Busiest day
February 24, 20261 high surf warnings

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
Feb 23, 11:12 PM CSTHigh Surf WarningGUM65 hr
Mar 15, 1:07 AM CDTHigh Surf WarningGUM36 hr
Mar 16, 1:19 PM CDTHigh Surf WarningGUM12 hr
Apr 11, 1:33 AM CDTHigh Surf WarningGUM7 days
Jul 4, 6:27 PM CDTHigh Surf WarningGUM3 days

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force nowTornadoes on recordThe radar archive2025

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.