Alert archive / Guam / 2026
Weather alerts in Guam, July 2026
24 weather alerts in July 2026, 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
- 24
- Warnings
- 7
- Watches
- 3
- Advisories
- 12
- Busiest day
- July 4, 20264 alerts
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 |
|---|---|---|---|---|
| Jul 2, 11:13 PM CDT | Flood Watch | GUM | 4 days | |
| Jul 3, 2:03 AM CDT | Typhoon Watch | GUM | 25 hr | |
| Jul 3, 2:48 AM CDT | Coastal Flood Watch | GUM | 40 hr | |
| Jul 4, 12:23 AM CDT | Typhoon Warning | GUM | 64 hr | |
| Jul 4, 3:40 AM CDT | High Surf Advisory | GUM | 15 hr | |
| Jul 4, 6:27 PM CDT | Coastal Flood Warning | GUM | 42 hr | |
| Jul 4, 6:27 PM CDT | High Surf Warning | GUM | 3 days | |
| Jul 5, 5:14 AM CDT | Areal Flood Advisory | GUM | 3 hr | |
| Jul 5, 8:08 AM CDT | Flash Flood Warning | GUM | 2 hr | |
| Jul 5, 11:10 AM CDT | Flash Flood Warning | GUM | 14 hr | |
| Jul 6, 1:21 AM CDT | Flash Flood Warning | GUM | 3 hr | |
| Jul 6, 12:19 PM CDT | Coastal Flood Advisory | GUM | 37 hr | |
| Jul 6, 2:16 PM CDT | Wind Advisory | GUM | 12 hr | |
| Jul 6, 4:19 PM CDT | Hurricane Local Statement | GUM | 10 hr | |
| Jul 7, 12:53 PM CDT | Rip Current Statement | GUM | 4 days | |
| Jul 8, 12:55 AM CDT | High Surf Advisory | GUM | 4 days | |
| Jul 10, 12:13 AM CDT | Areal Flood Advisory | GUM | 2 hr | |
| Jul 10, 12:46 AM CDT | Areal Flood Advisory | GUM | 59 min | |
| Jul 10, 1:02 AM CDT | Flash Flood Warning | GUM | 88 min | |
| Jul 10, 2:37 AM CDT | Areal Flood Advisory | GUM | 53 min | |
| Jul 12, 5:31 PM CDT | Areal Flood Advisory | GUM | 119 min | |
| Jul 19, 12:23 AM CDT | Areal Flood Advisory | GUM | 3 hr | |
| Jul 21, 11:06 PM CDT | Areal Flood Advisory | GUM | 114 min | |
| Jul 23, 9:16 PM CDT | Areal Flood Advisory | GUM | 119 min |
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 | 4 |
| Flood Watch | 1 |
| Areal Flood Advisory | 8 |
| Wind and dust | |
| Wind Advisory | 1 |
| Tropical | |
| Typhoon Warning | 1 |
| Typhoon Watch | 1 |
| Hurricane Local Statement | 1 |
| Coast and beach | |
| Coastal Flood Warning | 1 |
| High Surf Warning | 1 |
| Coastal Flood Watch | 1 |
| Coastal Flood Advisory | 1 |
| High Surf Advisory | 2 |
| Rip Current Statement | 1 |
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.