Weather alerts in Guam, 2024
146 weather alerts in 2024, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
- Alerts
- 146
- Warnings
- 34
- Watches
- 22
- Advisories
- 64
- Busiest month
- September25 alerts
- Busiest day
- September 11, 20246 alerts
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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 8, 12:17 PM CST | Rip Current Statement | GUM | 50 hr | |
| Jan 8, 12:17 PM CST | High Surf Advisory | GUM | 36 hr | |
| Jan 12, 10:31 PM CST | Rip Current Statement | GUM | 10 days | |
| Jan 12, 10:31 PM CST | High Surf Advisory | GUM | 4 days | |
| Jan 14, 11:50 AM CST | High Wind Watch | GUM | 48 hr | |
| Jan 15, 12:17 PM CST | Fire Weather Watch | GUM | 3 days | |
| Jan 16, 12:11 PM CST | High Wind Warning | GUM | 36 hr | |
| Jan 16, 12:37 PM CST | Red Flag Warning | GUM | 13 hr | |
| Jan 16, 10:48 PM CST | Wind Advisory | GUM | 37 hr | |
| Jan 16, 10:49 PM CST | High Surf Warning | GUM | 39 hr | |
| Jan 18, 12:04 AM CST | High Surf Advisory | GUM | 4 days | |
| Jan 18, 1:00 PM CST | Red Flag Warning | GUM | 48 hr | |
| Jan 25, 8:26 PM CST | Rip Current Statement | GUM | 11 days | |
| Jan 25, 8:26 PM CST | High Surf Advisory | GUM | 8 days | |
| Jan 30, 12:59 PM CST | Fire Weather Watch | GUM | 35 hr | |
| Feb 1, 12:17 AM CST | Red Flag Warning | GUM | 5 days | |
| Feb 10, 12:03 PM CST | Fire Weather Watch | GUM | 24 hr | |
| Feb 11, 11:56 AM CST | Rip Current Statement | GUM | 6 days | |
| Feb 11, 11:56 AM CST | High Surf Advisory | GUM | 4 days | |
| Feb 11, 11:57 AM CST | Red Flag Warning | GUM | 4 days | |
| Feb 18, 11:55 PM CST | Rip Current Statement | GUM | 5 days | |
| Feb 18, 11:55 PM CST | High Surf Advisory | GUM | 4 days | |
| Feb 20, 1:27 AM CST | Fire Weather Watch | GUM | 12 hr | |
| Feb 20, 12:38 PM CST | Red Flag Warning | GUM | 37 hr | |
| Feb 24, 12:31 AM CST | Rip Current Statement | GUM | 13 hr | |
| Feb 28, 12:35 AM CST | Rip Current Statement | GUM | 4 days | |
| Feb 28, 12:35 AM CST | High Surf Advisory | GUM | 37 hr | |
| Feb 28, 3:34 AM CST | Fire Weather Watch | GUM | 15 hr | |
| Feb 28, 6:10 PM CST | Fire Weather Watch | GUM | 25 hr | |
| Feb 28, 6:10 PM CST | Red Flag Warning | GUM | 8 hr | |
| Feb 29, 12:27 AM CST | High Surf Warning | GUM | 38 hr | |
| Feb 29, 12:27 AM CST | High Surf Advisory | GUM | 62 hr | |
| Feb 29, 7:01 PM CST | Red Flag Warning | GUM | 7 hr | |
| Feb 29, 10:13 PM CST | Coastal Flood Statement | GUM | 16 hr | |
| Mar 9, 12:25 AM CST | Fire Weather Watch | GUM | 42 hr | |
| Mar 10, 12:30 PM CDT | Rip Current Statement | GUM | 7 days | |
| Mar 10, 7:35 PM CDT | Fire Weather Watch | GUM | 16 hr | |
| Mar 10, 7:35 PM CDT | Red Flag Warning | GUM | 7 hr | |
| Mar 11, 11:39 AM CDT | Red Flag Warning | GUM | 17 hr | |
| Mar 11, 12:59 PM CDT | High Surf Advisory | GUM | 26 hr | |
| Mar 14, 8:36 PM CDT | Red Flag Warning | GUM | 7 hr | |
| Mar 21, 12:45 AM CDT | Fire Weather Watch | GUM | 19 hr | |
| Mar 21, 2:20 AM CDT | Rip Current Statement | GUM | 5 days | |
| Mar 21, 2:20 AM CDT | High Surf Advisory | GUM | 47 hr | |
| Mar 21, 7:59 PM CDT | Fire Weather Watch | GUM | 22 hr | |
| Mar 21, 7:59 PM CDT | Red Flag Warning | GUM | 8 hr | |
| Mar 22, 2:28 AM CDT | Coastal Flood Statement | GUM | 58 hr | |
| Mar 22, 6:06 PM CDT | Red Flag Warning | GUM | 34 hr | |
| Mar 23, 1:33 AM CDT | High Surf Warning | GUM | 35 hr | |
| Mar 24, 12:54 PM CDT | High Surf Advisory | GUM | 37 hr | |
| Mar 24, 6:35 PM CDT | Red Flag Warning | GUM | 9 hr | |
| Mar 27, 3:17 PM CDT | Fire Weather Watch | GUM | 29 hr | |
| Mar 28, 8:28 PM CDT | Fire Weather Watch | GUM | 53 hr | |
| Mar 28, 8:28 PM CDT | Red Flag Warning | GUM | 9 days | |
| Apr 4, 12:15 AM CDT | Rip Current Statement | GUM | 3 days | |
| Apr 7, 12:48 AM CDT | Rip Current Statement | GUM | 61 hr | |
| Apr 7, 11:36 AM CDT | Fire Weather Watch | GUM | 29 hr | |
| Apr 8, 4:32 PM CDT | Fire Weather Watch | GUM | 29 hr | |
| Apr 8, 4:32 PM CDT | Red Flag Warning | GUM | 10 hr | |
| Apr 9, 9:21 PM CDT | Red Flag Warning | GUM | 29 hr | |
| Apr 11, 2:48 AM CDT | Fire Weather Watch | GUM | 48 hr | |
| Apr 19, 1:00 AM CDT | Fire Weather Watch | GUM | 65 hr | |
| Apr 21, 6:29 PM CDT | Red Flag Warning | GUM | 34 hr | |
| Apr 23, 5:25 AM CDT | Red Flag Warning | GUM | 13 hr | |
| Apr 23, 2:23 PM CDT | Areal Flood Advisory | GUM | 4 hr | |
| May 19, 11:57 AM CDT | Rip Current Statement | GUM | 3 days | |
| May 23, 10:31 PM CDT | Areal Flood Advisory | GUM | 3 hr | |
| Jun 11, 2:59 PM CDT | Areal Flood Advisory | GUM | 2 hr | |
| Jun 11, 5:38 PM CDT | Areal Flood Advisory | GUM | 28 min | |
| Jun 11, 6:06 PM CDT | Flash Flood Warning | GUM | 54 min | |
| Jun 11, 7:07 PM CDT | Areal Flood Advisory | GUM | 2 hr | |
| Jun 11, 9:18 PM CDT | Areal Flood Advisory | GUM | 58 min | |
| Jul 17, 1:11 AM CDT | Rip Current Statement | GUM | 14 hr | |
| Jul 26, 5:03 AM CDT | Areal Flood Advisory | GUM | 3 hr | |
| Aug 2, 3:51 AM CDT | Areal Flood Advisory | GUM | 3 hr | |
| Aug 2, 7:21 AM CDT | Areal Flood Advisory | GUM | 6 hr | |
| Aug 8, 11:24 PM CDT | Areal Flood Advisory | GUM | 2 hr | |
| Aug 15, 10:04 PM CDT | Areal Flood Advisory | GUM | 116 min | |
| Aug 18, 3:33 AM CDT | Areal Flood Advisory | GUM | 117 min | |
| Aug 20, 1:15 AM CDT | Areal Flood Advisory | GUM | 60 min | |
| Aug 20, 9:04 PM CDT | Areal Flood Advisory | GUM | 116 min | |
| Aug 24, 8:45 PM CDT | Areal Flood Advisory | GUM | 91 min | |
| Aug 25, 2:30 AM CDT | Areal Flood Advisory | GUM | 3 hr | |
| Aug 25, 10:18 PM CDT | Areal Flood Advisory | GUM | 102 min | |
| Sep 4, 10:28 PM CDT | Areal Flood Advisory | GUM | 62 min | |
| Sep 8, 12:41 PM CDT | Flood Watch | GUM | 8 days | |
| Sep 8, 9:02 PM CDT | Areal Flood Advisory | GUM | 58 min | |
| Sep 9, 1:15 PM CDT | Wind Advisory | GUM | 10 hr | |
| Sep 9, 3:44 PM CDT | High Surf Advisory | GUM | 10 hr | |
| Sep 9, 10:20 PM CDT | Tropical Storm Warning | GUM | 25 hr | |
| Sep 10, 1:50 AM CDT | Coastal Flood Advisory | GUM | 23 hr | |
| Sep 10, 1:50 AM CDT | High Surf Warning | GUM | 23 hr | |
| Sep 10, 12:09 PM CDT | Flash Flood Warning | GUM | 6 hr | |
| Sep 10, 11:17 PM CDT | Hurricane Local Statement | GUM | 103 min | |
| Sep 10, 11:55 PM CDT | Areal Flood Advisory | GUM | 95 min | |
| Sep 11, 1:01 AM CDT | High Surf Advisory | GUM | 7 days | |
| Sep 11, 1:10 AM CDT | Wind Advisory | GUM | 3 hr | |
| Sep 11, 6:56 AM CDT | Flash Flood Warning | GUM | 3 hr | |
| Sep 11, 4:14 PM CDT | Wind Advisory | GUM | 11 hr | |
| Sep 13, 12:07 AM CDT | Areal Flood Advisory | GUM | 4 hr | |
| Sep 13, 12:35 AM CDT | Flash Flood Warning | GUM | 23 min | |
| Sep 15, 12:17 AM CDT | High Wind Watch | GUM | 16 hr | |
| Sep 15, 4:42 PM CDT | High Wind Warning | GUM | 20 hr | |
| Sep 15, 8:11 PM CDT | Areal Flood Advisory | GUM | 2 hr | |
| Sep 15, 10:50 PM CDT | Areal Flood Advisory | GUM | 35 min | |
| Sep 15, 11:16 PM CDT | Flash Flood Warning | GUM | 59 min | |
| Sep 16, 1:10 AM CDT | Flash Flood Warning | GUM | 3 hr | |
| Sep 22, 3:24 PM CDT | Areal Flood Advisory | GUM | 96 min | |
| Sep 22, 4:11 PM CDT | Flash Flood Warning | GUM | 64 min | |
| Oct 5, 1:41 AM CDT | Areal Flood Advisory | GUM | 64 min | |
| Oct 5, 2:21 AM CDT | Areal Flood Advisory | GUM | 84 min | |
| Oct 9, 1:16 AM CDT | Areal Flood Advisory | GUM | 3 hr | |
| Oct 9, 2:39 AM CDT | Areal Flood Advisory | GUM | 96 min | |
| Oct 11, 8:28 PM CDT | Areal Flood Advisory | GUM | 2 hr | |
| Oct 16, 11:52 PM CDT | Areal Flood Advisory | GUM | 3 hr | |
| Oct 18, 8:41 AM CDT | Areal Flood Advisory | GUM | 2 hr | |
| Oct 18, 9:24 AM CDT | Areal Flood Advisory | GUM | 2 hr | |
| Oct 19, 3:02 PM CDT | Flood Watch | GUM | 4 days | |
| Oct 19, 11:09 PM CDT | Areal Flood Advisory | GUM | 4 hr | |
| Oct 19, 11:39 PM CDT | Flash Flood Warning | GUM | 51 min | |
| Oct 20, 8:50 AM CDT | Areal Flood Advisory | GUM | 4 hr | |
| Oct 20, 3:01 PM CDT | Areal Flood Advisory | GUM | 3 hr | |
| Oct 21, 8:53 PM CDT | Areal Flood Advisory | GUM | 52 min | |
| Oct 23, 12:13 PM CDT | Rip Current Statement | GUM | 3 days | |
| Oct 23, 12:13 PM CDT | High Surf Advisory | GUM | 3 days | |
| Oct 26, 12:08 AM CDT | Areal Flood Advisory | GUM | 52 min | |
| Nov 6, 3:21 AM CST | Areal Flood Advisory | GUM | 2 hr | |
| Nov 9, 11:46 PM CST | Rip Current Statement | GUM | 4 days | |
| Nov 11, 2:59 AM CST | Tropical Storm Watch | GUM | 23 hr | |
| Nov 11, 5:40 PM CST | Tropical Storm Warning | GUM | 27 hr | |
| Nov 12, 12:03 AM CST | Flood Watch | GUM | 16 hr | |
| Nov 12, 12:40 AM CST | Coastal Flood Advisory | GUM | 17 hr | |
| Nov 12, 4:41 PM CST | Hurricane Local Statement | GUM | 9 hr | |
| Nov 12, 5:45 PM CST | High Surf Advisory | GUM | 18 hr | |
| Nov 23, 12:35 PM CST | Rip Current Statement | GUM | 6 days | |
| Nov 30, 11:38 PM CST | Rip Current Statement | GUM | 61 hr | |
| Dec 3, 1:06 PM CST | Rip Current Statement | GUM | 54 min | |
| Dec 15, 12:08 AM CST | Rip Current Statement | GUM | 6 days | |
| Dec 15, 7:49 PM CST | High Surf Advisory | GUM | 54 hr | |
| Dec 18, 10:58 AM CST | Areal Flood Advisory | GUM | 62 min | |
| Dec 20, 11:35 PM CST | Rip Current Statement | GUM | 48 hr | |
| Dec 20, 11:35 PM CST | High Surf Advisory | GUM | 48 hr | |
| Dec 24, 11:30 AM CST | Rip Current Statement | GUM | 4 days | |
| Dec 24, 11:30 AM CST | High Surf Advisory | GUM | 4 days | |
| Dec 30, 6:33 PM CST | Rip Current Statement | GUM | 17 hr | |
| Dec 30, 6:33 PM CST | High Surf Advisory | GUM | 17 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Flooding | |
| Flash Flood Warning | 8 |
| Flood Watch | 3 |
| Areal Flood Advisory | 39 |
| Wind and dust | |
| High Wind Warning | 2 |
| High Wind Watch | 2 |
| Wind Advisory | 4 |
| Fire | |
| Red Flag Warning | 18 |
| Fire Weather Watch | 16 |
| Tropical | |
| Tropical Storm Warning | 2 |
| Tropical Storm Watch | 1 |
| Hurricane Local Statement | 2 |
| Coast and beach | |
| High Surf Warning | 4 |
| Coastal Flood Advisory | 2 |
| High Surf Advisory | 19 |
| Coastal Flood Statement | 2 |
| Rip Current Statement | 22 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20232025
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.