Weather alerts in Guam, 2022

240 weather alerts in 2022, 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: 240
Warnings: 24
Watches: 12
Advisories: 162
Busiest month: December49 alerts
Busiest day: July 25, 20228 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	Lasted
Jan 1, 6:33 PM CST	Small Craft Advisory	GUM	71 days
Jan 2, 12:03 AM CST	Rip Current Statement	GUM	6 days
Jan 2, 12:03 AM CST	High Surf Advisory	GUM	4 days
Jan 13, 2:25 PM CST	Rip Current Statement	GUM	5 days
Jan 13, 2:25 PM CST	High Surf Advisory	GUM	4 days
Jan 15, 2:23 PM CST	Small Craft Advisory	GUM	3 days
Jan 20, 1:56 AM CST	Rip Current Statement	GUM	5 days
Jan 20, 2:47 PM CST	Small Craft Advisory	GUM	3 days
Jan 22, 10:41 PM CST	High Surf Advisory	GUM	43 hr
Feb 2, 2:08 PM CST	Small Craft Advisory	GUM	24 hr
Feb 2, 5:34 PM CST	Rip Current Statement	GUM	44 hr
Feb 6, 12:35 AM CST	Small Craft Advisory	GUM	4 days
Feb 6, 9:50 PM CST	Rip Current Statement	GUM	3 days
Feb 6, 9:50 PM CST	High Surf Advisory	GUM	16 hr
Feb 12, 5:40 PM CST	Small Craft Advisory	GUM	30 hr
Feb 13, 12:26 AM CST	Rip Current Statement	GUM	39 hr
Feb 13, 12:26 AM CST	High Surf Advisory	GUM	39 hr
Feb 19, 1:24 AM CST	Small Craft Advisory	GUM	22 hr
Feb 19, 1:31 AM CST	Rip Current Statement	GUM	11 days
Feb 19, 12:30 PM CST	High Surf Advisory	GUM	12 hr
Feb 21, 1:08 AM CST	Small Craft Advisory	GUM	8 days
Feb 21, 4:02 AM CST	Fire Weather Watch	GUM	4 days
Feb 23, 1:08 AM CST	High Surf Advisory	GUM	35 hr
Feb 25, 2:16 PM CST	Fire Weather Watch	GUM	12 hr
Feb 27, 1:54 PM CST	Fire Weather Watch	GUM	61 hr
Mar 10, 12:55 AM CST	Small Craft Advisory	GUM	12 hr
Mar 10, 12:02 PM CST	Rip Current Statement	GUM	35 hr
Mar 10, 12:02 PM CST	High Surf Advisory	GUM	35 hr
Mar 10, 1:09 PM CST	Small Craft Advisory	GUM	24 hr
Mar 13, 1:18 PM CDT	Fire Weather Watch	GUM	4 hr
Mar 13, 4:54 PM CDT	Fire Weather Watch	GUM	46 hr
Mar 13, 4:54 PM CDT	Red Flag Warning	GUM	9 hr
Mar 13, 7:36 PM CDT	Rip Current Statement	GUM	6 hr
Mar 14, 6:37 AM CDT	Rip Current Statement	GUM	8 hr
Mar 17, 11:37 PM CDT	Fire Weather Watch	GUM	71 hr
Mar 20, 10:37 PM CDT	Red Flag Warning	GUM	28 hr
Mar 21, 2:32 AM CDT	Rip Current Statement	GUM	64 hr
Mar 24, 2:07 AM CDT	Small Craft Advisory	GUM	7 days
Mar 24, 5:06 PM CDT	Fire Weather Watch	GUM	22 hr
Mar 25, 12:37 AM CDT	Rip Current Statement	GUM	12 days
Mar 25, 3:30 PM CDT	Red Flag Warning	GUM	60 hr
Mar 28, 7:25 PM CDT	High Surf Advisory	GUM	55 hr
Mar 28, 11:23 PM CDT	Red Flag Warning	GUM	49 hr
Mar 31, 2:05 AM CDT	High Surf Advisory	GUM	22 hr
Mar 31, 2:09 AM CDT	Small Craft Advisory	GUM	13 hr
Apr 1, 7:45 PM CDT	Small Craft Advisory	GUM	19 hr
Apr 4, 11:23 PM CDT	Red Flag Warning	GUM	3 days
Apr 5, 1:37 AM CDT	Small Craft Advisory	GUM	7 days
Apr 5, 3:47 PM CDT	Rip Current Statement	GUM	6 days
Apr 5, 8:15 PM CDT	Small Craft Advisory	GUM	8 days
Apr 5, 9:35 PM CDT	Small Craft Advisory	GUM	14 hr
Apr 8, 12:31 AM CDT	Small Craft Advisory	GUM	12 hr
Apr 8, 12:31 AM CDT	High Surf Advisory	GUM	6 days
Apr 8, 1:04 PM CDT	Typhoon Watch	GUM	33 hr
Apr 9, 1:32 AM CDT	High Surf Advisory	GUM	49 hr
Apr 9, 2:51 AM CDT	Wind Advisory	GUM	48 hr
Apr 11, 3:10 PM CDT	Small Craft Advisory	GUM	3 days
Apr 11, 3:11 PM CDT	Rip Current Statement	GUM	4 days
Apr 11, 4:59 PM CDT	High Surf Advisory	GUM	4 days
Apr 12, 4:24 AM CDT	Special Marine Warning	GUM	120 days
Apr 12, 6:36 AM CDT	Special Marine Warning	GUM	120 days
Apr 17, 2:06 AM CDT	Rip Current Statement	GUM	13 hr
Apr 17, 2:06 AM CDT	High Surf Advisory	GUM	13 hr
Apr 22, 1:10 AM CDT	Small Craft Advisory	GUM	24 hr
Apr 26, 1:08 PM CDT	Rip Current Statement	GUM	48 hr
Apr 26, 1:56 PM CDT	Small Craft Advisory	GUM	48 hr
Apr 27, 12:26 AM CDT	High Surf Advisory	GUM	35 hr
Apr 27, 12:40 AM CDT	Small Craft Advisory	GUM	22 hr
May 5, 1:00 PM CDT	Rip Current Statement	GUM	24 hr
May 26, 11:32 AM CDT	Areal Flood Advisory	GUM	38 min
Jun 19, 12:51 PM CDT	Areal Flood Advisory	GUM	114 min
Jun 27, 3:28 AM CDT	Special Marine Warning	GUM	44 days
Jun 27, 5:40 AM CDT	Special Marine Warning	GUM	35 min
Jun 27, 2:37 PM CDT	Small Craft Advisory	GUM	12 hr
Jun 29, 8:16 AM CDT	Small Craft Advisory	GUM	40 hr
Jul 2, 1:13 AM CDT	Beach Hazards Statement	GUM	3 hr
Jul 3, 12:02 PM CDT	Small Craft Advisory	GUM	14 hr
Jul 13, 10:27 PM CDT	Areal Flood Advisory	GUM	63 min
Jul 15, 11:59 AM CDT	High Surf Advisory	GUM	24 hr
Jul 20, 7:36 PM CDT	Areal Flood Advisory	GUM	4 hr
Jul 21, 10:40 AM CDT	Areal Flood Advisory	GUM	65 min
Jul 24, 10:33 PM CDT	Areal Flood Advisory	GUM	57 min
Jul 24, 11:18 PM CDT	Areal Flood Advisory	GUM	102 min
Jul 24, 11:48 PM CDT	Special Weather Statement	GUM	87 min
Jul 24, 11:48 PM CDT	Special Weather Statement	GUM	87 min
Jul 25, 2:54 AM CDT	Areal Flood Advisory	GUM	111 min
Jul 25, 5:41 AM CDT	Areal Flood Advisory	GUM	2 hr
Jul 25, 2:32 PM CDT	Small Craft Advisory	GUM	48 hr
Jul 25, 2:49 PM CDT	Flood Watch	GUM	33 hr
Jul 25, 7:49 PM CDT	Areal Flood Advisory	GUM	86 min
Jul 25, 10:54 PM CDT	Areal Flood Advisory	GUM	81 min
Jul 26, 1:45 AM CDT	Areal Flood Advisory	GUM	2 hr
Jul 26, 4:04 AM CDT	Areal Flood Advisory	GUM	116 min
Jul 26, 5:06 AM CDT	Areal Flood Advisory	GUM	54 min
Jul 26, 8:46 AM CDT	Areal Flood Advisory	GUM	119 min
Jul 26, 2:40 PM CDT	Areal Flood Advisory	GUM	3 hr
Jul 26, 2:41 PM CDT	Areal Flood Advisory	GUM	5 hr
Jul 28, 9:17 PM CDT	Beach Hazards Statement	GUM	3 hr
Jul 29, 1:36 AM CDT	Small Craft Advisory	GUM	13 hr
Aug 3, 10:04 PM CDT	Areal Flood Advisory	GUM	86 min
Aug 4, 6:03 AM CDT	Areal Flood Advisory	GUM	57 min
Aug 9, 5:53 PM CDT	Special Weather Statement	GUM	52 min
Aug 11, 1:15 AM CDT	Small Craft Advisory	GUM	18 hr
Aug 16, 12:58 AM CDT	Areal Flood Advisory	GUM	92 min
Aug 16, 5:14 PM CDT	Areal Flood Advisory	GUM	5 hr
Aug 16, 7:29 PM CDT	Areal Flood Advisory	GUM	3 hr
Aug 17, 1:47 AM CDT	Special Weather Statement	GUM	43 min
Aug 21, 9:45 PM CDT	Areal Flood Advisory	GUM	3 hr
Aug 22, 4:35 PM CDT	Areal Flood Advisory	GUM	3 hr
Aug 23, 10:28 PM CDT	Areal Flood Advisory	GUM	71 min
Aug 23, 11:44 PM CDT	Areal Flood Advisory	GUM	55 min
Aug 25, 7:19 PM CDT	Areal Flood Advisory	GUM	106 min
Aug 30, 2:59 PM CDT	Areal Flood Advisory	GUM	2 hr
Aug 30, 4:12 PM CDT	Flash Flood Warning	GUM	2 hr
Aug 30, 5:06 PM CDT	Areal Flood Advisory	GUM	114 min
Sep 10, 8:14 PM CDT	Areal Flood Advisory	GUM	3 hr
Sep 13, 6:18 PM CDT	Flash Flood Warning	GUM	57 min
Sep 13, 8:06 PM CDT	Flash Flood Warning	GUM	84 min
Sep 13, 8:35 PM CDT	Areal Flood Advisory	GUM	55 min
Sep 14, 11:27 PM CDT	Areal Flood Advisory	GUM	4 hr
Sep 15, 2:23 AM CDT	High Surf Advisory	GUM	69 hr
Sep 17, 12:24 AM CDT	Rip Current Statement	GUM	23 hr
Sep 17, 2:31 AM CDT	Areal Flood Advisory	GUM	119 min
Sep 17, 6:21 AM CDT	Areal Flood Advisory	GUM	119 min
Sep 18, 1:15 AM CDT	Flood Watch	GUM	44 hr
Sep 18, 8:51 AM CDT	Areal Flood Advisory	GUM	114 min
Sep 18, 2:12 PM CDT	Areal Flood Advisory	GUM	2 hr
Sep 18, 2:53 PM CDT	Areal Flood Advisory	GUM	114 min
Sep 19, 10:48 AM CDT	Areal Flood Advisory	GUM	4 hr
Sep 22, 8:11 PM CDT	Areal Flood Advisory	GUM	84 min
Sep 23, 2:01 PM CDT	Small Craft Advisory	GUM	35 hr
Sep 24, 1:00 AM CDT	Flood Watch	GUM	38 hr
Sep 24, 8:26 AM CDT	Areal Flood Advisory	GUM	109 min
Sep 24, 8:38 AM CDT	Flash Flood Warning	GUM	48 min
Sep 24, 3:54 PM CDT	Areal Flood Advisory	GUM	4 hr
Sep 27, 10:22 AM CDT	Special Weather Statement	GUM	53 min
Sep 27, 10:50 AM CDT	Areal Flood Advisory	GUM	42 min
Oct 1, 6:18 PM CDT	Special Marine Warning	GUM	57 min
Oct 2, 7:18 AM CDT	Beach Hazards Statement	GUM	4 hr
Oct 5, 12:12 AM CDT	Areal Flood Advisory	GUM	78 min
Oct 5, 8:27 PM CDT	Flash Flood Warning	GUM	3 hr
Oct 5, 9:03 PM CDT	Beach Hazards Statement	GUM	3 hr
Oct 5, 9:15 PM CDT	Areal Flood Advisory	GUM	94 min
Oct 6, 8:14 PM CDT	Areal Flood Advisory	GUM	4 hr
Oct 6, 9:52 PM CDT	Areal Flood Advisory	GUM	113 min
Oct 7, 6:55 AM CDT	Areal Flood Advisory	GUM	3 hr
Oct 7, 7:39 PM CDT	Areal Flood Advisory	GUM	51 min
Oct 7, 8:35 PM CDT	Areal Flood Advisory	GUM	55 min
Oct 7, 9:47 PM CDT	Areal Flood Advisory	GUM	91 min
Oct 8, 7:30 PM CDT	Areal Flood Advisory	GUM	90 min
Oct 8, 7:56 PM CDT	Areal Flood Advisory	GUM	64 min
Oct 9, 11:29 AM CDT	Flood Watch	GUM	6 days
Oct 10, 2:47 AM CDT	Small Craft Advisory	GUM	4 days
Oct 10, 11:39 AM CDT	Areal Flood Advisory	GUM	3 hr
Oct 10, 12:15 PM CDT	Areal Flood Advisory	GUM	3 hr
Oct 10, 12:51 PM CDT	Flash Flood Warning	GUM	54 min
Oct 10, 1:06 PM CDT	Flash Flood Warning	GUM	54 min
Oct 10, 3:43 PM CDT	Areal Flood Advisory	GUM	2 hr
Oct 10, 3:58 PM CDT	Flash Flood Warning	GUM	3 hr
Oct 10, 7:33 PM CDT	Flash Flood Warning	GUM	3 hr
Oct 11, 2:04 PM CDT	Small Craft Advisory	GUM	35 hr
Oct 14, 12:25 AM CDT	Areal Flood Advisory	GUM	110 min
Oct 14, 6:38 AM CDT	Areal Flood Advisory	GUM	5 hr
Oct 17, 4:40 AM CDT	Areal Flood Advisory	GUM	3 hr
Oct 18, 5:21 PM CDT	Areal Flood Advisory	GUM	114 min
Oct 20, 6:59 PM CDT	Small Craft Advisory	GUM	7 hr
Oct 24, 2:38 PM CDT	Small Craft Advisory	GUM	60 hr
Oct 28, 12:59 AM CDT	Rip Current Statement	GUM	37 hr
Oct 28, 12:59 AM CDT	High Surf Warning	GUM	18 hr
Oct 28, 12:59 AM CDT	High Surf Advisory	GUM	12 hr
Oct 28, 12:59 AM CDT	High Surf Advisory	GUM	37 hr
Oct 28, 1:20 AM CDT	Small Craft Advisory	GUM	18 hr
Oct 28, 2:03 PM CDT	Small Craft Advisory	GUM	72 hr
Oct 29, 2:50 AM CDT	High Surf Advisory	GUM	59 hr
Nov 1, 11:29 PM CDT	Areal Flood Advisory	GUM	61 min
Nov 3, 7:22 PM CDT	High Surf Advisory	GUM	68 hr
Nov 4, 1:07 AM CDT	Rip Current Statement	GUM	62 hr
Nov 5, 2:29 PM CDT	High Surf Advisory	GUM	37 hr
Nov 10, 8:02 PM CST	Areal Flood Advisory	GUM	78 min
Nov 10, 8:25 PM CST	Areal Flood Advisory	GUM	56 min
Nov 16, 12:25 AM CST	Small Craft Advisory	GUM	32 hr
Nov 16, 10:43 AM CST	Small Craft Advisory	GUM	39 hr
Nov 16, 11:00 PM CST	Rip Current Statement	GUM	15 hr
Nov 23, 2:21 PM CST	Rip Current Statement	GUM	47 hr
Nov 23, 2:21 PM CST	High Surf Advisory	GUM	47 hr
Nov 24, 12:54 PM CST	High Surf Advisory	GUM	25 hr
Nov 27, 12:00 AM CST	Rip Current Statement	GUM	16 days
Nov 28, 7:00 AM CST	Special Weather Statement	GUM	30 min
Nov 28, 7:16 AM CST	Special Weather Statement	GUM	29 min
Nov 28, 1:04 PM CST	Small Craft Advisory	GUM	13 hr
Nov 30, 2:33 PM CST	Small Craft Advisory	GUM	4 days
Nov 30, 10:27 PM CST	Small Craft Advisory	GUM	52 hr
Nov 30, 10:27 PM CST	High Surf Advisory	GUM	3 days
Dec 1, 12:54 AM CST	High Surf Advisory	GUM	10 days
Dec 1, 1:17 PM CST	Small Craft Advisory	GUM	3 days
Dec 1, 1:52 PM CST	High Surf Advisory	GUM	3 days
Dec 1, 7:12 PM CST	Special Weather Statement	GUM	33 min
Dec 1, 8:06 PM CST	Beach Hazards Statement	GUM	3 hr
Dec 1, 8:16 PM CST	Severe Thunderstorm Warning	GUM	29 min
Dec 1, 8:23 PM CST	Special Marine Warning	GUM	37 min
Dec 1, 9:29 PM CST	Special Weather Statement	GUM	16 min
Dec 1, 9:32 PM CST	Special Marine Warning	GUM	88 min
Dec 2, 12:13 AM CST	Wind Advisory	GUM	50 hr
Dec 3, 10:20 PM CST	Small Craft Advisory	GUM	25 hr
Dec 4, 11:31 AM CST	High Surf Advisory	GUM	7 days
Dec 6, 1:09 PM CST	Small Craft Advisory	GUM	3 days
Dec 8, 11:20 PM CST	Small Craft Advisory	GUM	24 hr
Dec 9, 10:24 AM CST	High Surf Advisory	GUM	63 hr
Dec 13, 11:44 PM CST	Rip Current Statement	GUM	9 days
Dec 13, 11:44 PM CST	High Surf Advisory	GUM	25 hr
Dec 13, 11:54 PM CST	Small Craft Advisory	GUM	8 days
Dec 14, 12:04 AM CST	Wind Advisory	GUM	60 hr
Dec 17, 10:21 PM CST	Coastal Flood Warning	GUM	17 hr
Dec 17, 10:21 PM CST	Small Craft Advisory	GUM	4 days
Dec 17, 10:21 PM CST	High Surf Advisory	GUM	37 hr
Dec 18, 12:10 PM CST	Small Craft Advisory	GUM	37 hr
Dec 18, 12:17 PM CST	High Surf Advisory	GUM	49 hr
Dec 18, 2:51 PM CST	Coastal Flood Advisory	GUM	5 days
Dec 19, 11:47 PM CST	High Surf Advisory	GUM	38 hr
Dec 21, 9:49 PM CST	Special Weather Statement	GUM	86 min
Dec 21, 11:55 PM CST	High Surf Advisory	GUM	59 hr
Dec 22, 12:16 AM CST	Small Craft Advisory	GUM	37 hr
Dec 22, 7:11 AM CST	Areal Flood Advisory	GUM	7 hr
Dec 22, 10:20 AM CST	Areal Flood Advisory	GUM	4 hr
Dec 24, 12:06 AM CST	Rip Current Statement	GUM	14 days
Dec 24, 12:06 AM CST	High Surf Advisory	GUM	6 days
Dec 24, 1:06 AM CST	High Surf Advisory	GUM	59 hr
Dec 25, 9:19 PM CST	Areal Flood Advisory	GUM	116 min
Dec 25, 11:42 PM CST	Beach Hazards Statement	GUM	24 hr
Dec 25, 11:51 PM CST	Small Craft Advisory	GUM	7 days
Dec 26, 1:39 PM CST	Areal Flood Advisory	GUM	111 min
Dec 27, 9:03 AM CST	Areal Flood Advisory	GUM	57 min
Dec 27, 10:20 AM CST	Areal Flood Advisory	GUM	55 min
Dec 27, 12:29 PM CST	Wind Advisory	GUM	38 hr
Dec 27, 10:32 PM CST	Small Craft Advisory	GUM	49 hr
Dec 28, 1:33 AM CST	Small Craft Advisory	GUM	48 hr
Dec 28, 11:15 AM CST	High Surf Advisory	GUM	7 days
Dec 28, 6:45 PM CST	Beach Hazards Statement	GUM	3 days
Dec 29, 1:18 PM CST	High Surf Advisory	GUM	48 hr
Dec 29, 8:00 PM CST	Wind Advisory	GUM	5 hr

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

Product	Alerts
Severe storms
Severe Thunderstorm Warning	1
Special Weather Statement	10
Flooding
Flash Flood Warning	9
Flood Watch	4
Areal Flood Advisory	68
Wind and dust
Wind Advisory	5
Fire
Red Flag Warning	5
Fire Weather Watch	7
Tropical
Typhoon Watch	1
Coast and beach
Coastal Flood Warning	1
High Surf Warning	1
Coastal Flood Advisory	1
High Surf Advisory	38
Beach Hazards Statement	7
Rip Current Statement	25
Marine
Special Marine Warning	7
Small Craft Advisory	50

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record The radar archive 2021 2023

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.