Alert archive / Hawaii / Special Marine Warnings

Special Marine Warnings in Hawaii, 2021

87 special marine warnings in 2021. 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 special marine warnings reaches back to 1986.

Special Marine Warnings by county

Each county as a circle sized by its count in 2021. Tap one for its archive.

Special Marine Warnings
87
Busiest month
March44 special marine warnings
Busiest day
March 10, 202117 special marine warnings

Over time

By month

The alerts

Every alert, in the order issued. Times are local, Hawaii-Aleutian Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeCountiesLasted
Jan 9, 5:22 PM HSTSpecial Marine WarningHFO113 min
Jan 9, 8:06 PM HSTSpecial Marine WarningHFO114 min
Jan 9, 11:05 PM HSTSpecial Marine WarningHFO115 min
Jan 19, 10:26 AM HSTSpecial Marine WarningHFO2 hr
Jan 19, 12:01 PM HSTSpecial Marine WarningHFO78 min
Feb 3, 12:56 AM HSTSpecial Marine WarningHFO2 hr
Feb 3, 2:57 AM HSTSpecial Marine WarningHFO2 hr
Feb 3, 4:58 AM HSTSpecial Marine WarningHFO2 hr
Feb 3, 6:32 AM HSTSpecial Marine WarningHFO118 min
Feb 3, 8:23 AM HSTSpecial Marine WarningHFO112 min
Feb 3, 9:35 AM HSTSpecial Marine WarningHFO115 min
Feb 3, 10:11 AM HSTSpecial Marine WarningHFO2 hr
Feb 3, 10:51 AM HSTSpecial Marine WarningHFO114 min
Feb 3, 12:15 PM HSTSpecial Marine WarningHFO2 hr
Feb 3, 2:06 PM HSTSpecial Marine WarningHFO114 min
Feb 5, 2:16 AM HSTSpecial Marine WarningHFO119 min
Feb 5, 6:25 AM HSTSpecial Marine WarningHFO107 min
Feb 5, 6:51 AM HSTSpecial Marine WarningHFO114 min
Feb 8, 3:39 PM HSTSpecial Marine WarningHFO2 hr
Feb 8, 5:16 PM HSTSpecial Marine WarningHFO89 min
Feb 8, 6:44 PM HSTSpecial Marine WarningHFO68 min
Feb 18, 11:53 AM HSTSpecial Marine WarningHFO99 min
Feb 19, 7:38 AM HSTSpecial Marine WarningHFO112 min
Feb 19, 10:55 AM HSTSpecial Marine WarningHFO2 hr
Feb 26, 5:59 PM HSTSpecial Marine WarningHFO61 min
Mar 8, 8:45 AM HSTSpecial Marine WarningHFO45 min
Mar 9, 8:09 AM HSTSpecial Marine WarningHFO2 hr
Mar 9, 10:03 AM HSTSpecial Marine WarningHFO54 min
Mar 9, 2:15 PM HSTSpecial Marine WarningHFO30 min
Mar 9, 2:44 PM HSTSpecial Marine WarningHFO46 min
Mar 9, 3:17 PM HSTSpecial Marine WarningHFO88 min
Mar 9, 3:24 PM HSTSpecial Marine WarningHFO64 min
Mar 9, 8:33 PM HSTSpecial Marine WarningHFO87 min
Mar 9, 10:44 PM HSTSpecial Marine WarningHFO2 hr
Mar 9, 11:03 PM HSTSpecial Marine WarningHFO93 min
Mar 9, 11:16 PM HSTSpecial Marine WarningHFO76 min
Mar 10, 12:45 AM HSTSpecial Marine WarningHFO105 min
Mar 10, 2:20 AM HSTSpecial Marine WarningHFO115 min
Mar 10, 3:42 AM HSTSpecial Marine WarningHFO2 hr
Mar 10, 4:43 AM HSTSpecial Marine WarningHFO2 hr
Mar 10, 5:47 AM HSTSpecial Marine WarningHFO118 min
Mar 10, 7:43 AM HSTSpecial Marine WarningHFO107 min
Mar 10, 9:17 AM HSTSpecial Marine WarningHFO118 min
Mar 10, 11:11 AM HSTSpecial Marine WarningHFO2 hr
Mar 10, 1:10 PM HSTSpecial Marine WarningHFO110 min
Mar 10, 3:00 PM HSTSpecial Marine WarningHFO2 hr
Mar 10, 4:37 PM HSTSpecial Marine WarningHFO113 min
Mar 10, 6:34 PM HSTSpecial Marine WarningHFO25 min
Mar 10, 8:05 PM HSTSpecial Marine WarningHFO46 min
Mar 10, 8:12 PM HSTSpecial Marine WarningHFO2 hr
Mar 10, 9:18 PM HSTSpecial Marine WarningHFO76 min
Mar 10, 11:04 PM HSTSpecial Marine WarningHFO116 min
Mar 11, 2:39 AM HSTSpecial Marine WarningHFO2 hr
Mar 11, 3:22 PM HSTSpecial Marine WarningHFO22 min
Mar 12, 12:23 AM HSTSpecial Marine WarningHFO112 min
Mar 12, 8:49 AM HSTSpecial Marine WarningHFO41 min
Mar 13, 5:38 AM HSTSpecial Marine WarningHFO112 min
Mar 13, 7:28 AM HSTSpecial Marine WarningHFO2 hr
Mar 13, 9:19 AM HSTSpecial Marine WarningHFO116 min
Mar 13, 9:24 AM HSTSpecial Marine WarningHFO111 min
Mar 13, 11:07 AM HSTSpecial Marine WarningHFO113 min
Mar 13, 11:09 AM HSTSpecial Marine WarningHFO2 hr
Mar 13, 11:19 AM HSTSpecial Marine WarningHFO116 min
Mar 13, 12:47 PM HSTSpecial Marine WarningHFO118 min
Mar 13, 12:47 PM HSTSpecial Marine WarningHFO108 min
Mar 13, 5:44 PM HSTSpecial Marine WarningHFO2 hr
Mar 13, 8:19 PM HSTSpecial Marine WarningHFO89 min
Mar 14, 8:12 AM HSTSpecial Marine WarningHFO2 hr
Mar 24, 7:46 PM HSTSpecial Marine WarningHFO119 min
Nov 29, 4:37 PM HSTSpecial Marine WarningHFO56 min
Dec 6, 5:54 AM HSTSpecial Marine WarningHFO2 hr
Dec 6, 7:09 AM HSTSpecial Marine WarningHFO51 min
Dec 6, 12:26 PM HSTSpecial Marine WarningHFO64 min
Dec 6, 1:20 PM HSTSpecial Marine WarningHFO55 min
Dec 6, 2:21 PM HSTSpecial Marine WarningHFO54 min
Dec 6, 3:06 PM HSTSpecial Marine WarningHFO54 min
Dec 6, 3:52 PM HSTSpecial Marine WarningHFO53 min
Dec 6, 4:39 PM HSTSpecial Marine WarningHFO51 min
Dec 6, 6:36 PM HSTSpecial Marine WarningHFO84 min
Dec 6, 7:45 PM HSTSpecial Marine WarningHFO90 min
Dec 6, 7:59 PM HSTSpecial Marine WarningHFO61 min
Dec 6, 10:08 PM HSTSpecial Marine WarningHFO52 min
Dec 6, 10:29 PM HSTSpecial Marine WarningHFO81 min
Dec 6, 11:48 PM HSTSpecial Marine WarningHFO77 min
Dec 7, 9:29 PM HSTSpecial Marine WarningHFO61 min
Dec 7, 10:29 PM HSTSpecial Marine WarningHFO91 min
Dec 8, 12:00 AM HSTSpecial Marine WarningHFO60 min

The busiest days

Days with the most alerts issued, by UTC date.

  1. March 10, 202117special marine warnings
  2. December 7, 202110special marine warnings
  3. February 3, 20219special marine warnings
  4. March 13, 20219special marine warnings
  5. March 11, 20218special marine warnings
  6. December 6, 20214special marine warnings
  7. January 10, 20213special marine warnings
  8. February 5, 20213special marine warnings
  9. February 9, 20213special marine warnings
  10. March 12, 20213special marine warnings
  11. March 14, 20213special marine warnings
  12. December 8, 20213special marine warnings

Nearby

Alerts in force nowTornadoes on recordThe radar archive20202022

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.