Alert archive / Massachusetts / Special Marine Warnings

Special Marine Warnings in Massachusetts, 2021

117 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
117
Busiest month
September41 special marine warnings
Busiest day
September 2, 202111 special marine warnings

Over time

By month

The alerts

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

IssuedProductOfficeCountiesLasted
May 16, 1:38 PM EDTSpecial Marine WarningBOX15 min
May 26, 7:21 PM EDTSpecial Marine WarningBOX54 min
May 26, 8:03 PM EDTSpecial Marine WarningBOX37 min
Jun 5, 7:20 PM EDTSpecial Marine WarningBOX40 min
Jun 8, 3:32 PM EDTSpecial Marine WarningBOX43 min
Jun 8, 3:52 PM EDTSpecial Marine WarningBOX53 min
Jun 8, 4:38 PM EDTSpecial Marine WarningBOX52 min
Jun 8, 5:33 PM EDTSpecial Marine WarningBOX42 min
Jun 15, 5:32 PM EDTSpecial Marine WarningBOX58 min
Jun 19, 4:40 PM EDTSpecial Marine WarningBOX50 min
Jun 19, 7:42 PM EDTSpecial Marine WarningBOX63 min
Jun 22, 2:14 PM EDTSpecial Marine WarningBOX31 min
Jun 22, 3:07 PM EDTSpecial Marine WarningBOX53 min
Jun 22, 3:41 PM EDTSpecial Marine WarningBOX64 min
Jun 29, 6:28 PM EDTSpecial Marine WarningBOX47 min
Jun 30, 5:26 PM EDTSpecial Marine WarningBOX64 min
Jun 30, 5:58 PM EDTSpecial Marine WarningBOX62 min
Jun 30, 6:22 PM EDTSpecial Marine WarningBOX53 min
Jun 30, 6:31 PM EDTSpecial Marine WarningBOX59 min
Jun 30, 6:57 PM EDTSpecial Marine WarningBOX33 min
Jun 30, 8:16 PM EDTSpecial Marine WarningBOX59 min
Jun 30, 8:41 PM EDTSpecial Marine WarningBOX64 min
Jun 30, 8:57 PM EDTSpecial Marine WarningBOX63 min
Jun 30, 9:54 PM EDTSpecial Marine WarningBOX66 min
Jul 1, 4:29 PM EDTSpecial Marine WarningBOX61 min
Jul 1, 5:21 PM EDTSpecial Marine WarningBOX54 min
Jul 6, 5:16 PM EDTSpecial Marine WarningBOX44 min
Jul 6, 5:21 PM EDTSpecial Marine WarningBOX39 min
Jul 6, 5:54 PM EDTSpecial Marine WarningBOX66 min
Jul 6, 5:57 PM EDTSpecial Marine WarningBOX48 min
Jul 6, 6:07 PM EDTSpecial Marine WarningBOX23 min
Jul 6, 6:37 PM EDTSpecial Marine WarningBOX23 min
Jul 6, 6:52 PM EDTSpecial Marine WarningBOX53 min
Jul 7, 5:05 PM EDTSpecial Marine WarningBOX25 min
Jul 7, 5:24 PM EDTSpecial Marine WarningBOX66 min
Jul 7, 6:22 PM EDTSpecial Marine WarningBOX53 min
Jul 7, 7:18 PM EDTSpecial Marine WarningBOX57 min
Jul 7, 7:51 PM EDTSpecial Marine WarningBOX54 min
Jul 8, 3:56 AM EDTSpecial Marine WarningBOX64 min
Jul 8, 4:23 AM EDTSpecial Marine WarningBOX67 min
Jul 8, 4:36 AM EDTSpecial Marine WarningBOX54 min
Jul 16, 4:50 PM EDTSpecial Marine WarningBOX55 min
Jul 16, 6:32 PM EDTSpecial Marine WarningBOX43 min
Jul 21, 7:27 PM EDTSpecial Marine WarningBOX63 min
Jul 21, 7:39 PM EDTSpecial Marine WarningBOX66 min
Jul 21, 8:27 PM EDTSpecial Marine WarningBOX63 min
Jul 21, 8:42 PM EDTSpecial Marine WarningBOX63 min
Jul 21, 9:51 PM EDTSpecial Marine WarningBOX54 min
Jul 23, 3:29 PM EDTSpecial Marine WarningBOX61 min
Jul 23, 5:50 PM EDTSpecial Marine WarningBOX55 min
Jul 27, 6:52 PM EDTSpecial Marine WarningBOX53 min
Jul 27, 7:11 PM EDTSpecial Marine WarningBOX94 min
Jul 27, 7:39 PM EDTSpecial Marine WarningBOX66 min
Jul 27, 8:17 PM EDTSpecial Marine WarningBOX58 min
Jul 29, 11:49 PM EDTSpecial Marine WarningBOX56 min
Jul 29, 11:52 PM EDTSpecial Marine WarningBOX53 min
Jul 30, 12:43 AM EDTSpecial Marine WarningBOX62 min
Jul 30, 12:55 AM EDTSpecial Marine WarningBOX65 min
Aug 12, 6:52 PM EDTSpecial Marine WarningBOX53 min
Aug 14, 12:07 PM EDTSpecial Marine WarningBOX68 min
Aug 19, 12:33 PM EDTSpecial Marine WarningBOX57 min
Aug 19, 1:38 PM EDTSpecial Marine WarningBOX67 min
Aug 19, 1:48 PM EDTSpecial Marine WarningBOX57 min
Aug 27, 2:13 PM EDTSpecial Marine WarningBOX47 min
Sep 1, 2:34 PM EDTSpecial Marine WarningBOX56 min
Sep 1, 3:29 PM EDTSpecial Marine WarningBOX61 min
Sep 1, 4:13 PM EDTSpecial Marine WarningBOX62 min
Sep 1, 5:10 PM EDTSpecial Marine WarningBOX65 min
Sep 1, 6:09 PM EDTSpecial Marine WarningBOX66 min
Sep 1, 9:24 PM EDTSpecial Marine WarningBOX66 min
Sep 1, 10:45 PM EDTSpecial Marine WarningBOX45 min
Sep 1, 11:24 PM EDTSpecial Marine WarningBOX66 min
Sep 1, 11:32 PM EDTSpecial Marine WarningBOX58 min
Sep 1, 11:32 PM EDTSpecial Marine WarningBOX58 min
Sep 2, 12:20 AM EDTSpecial Marine WarningBOX55 min
Sep 2, 12:25 AM EDTSpecial Marine WarningBOX65 min
Sep 2, 1:07 AM EDTSpecial Marine WarningBOX83 min
Sep 2, 5:14 AM EDTSpecial Marine WarningBOX46 min
Sep 2, 5:49 AM EDTSpecial Marine WarningBOX42 min
Sep 2, 6:14 AM EDTSpecial Marine WarningBOX25 min
Sep 9, 8:43 AM EDTSpecial Marine WarningBOX62 min
Sep 9, 11:06 AM EDTSpecial Marine WarningBOX54 min
Sep 9, 3:11 PM EDTSpecial Marine WarningBOX34 min
Sep 9, 3:46 PM EDTSpecial Marine WarningBOX29 min
Sep 10, 5:47 PM EDTSpecial Marine WarningBOX58 min
Sep 13, 3:17 AM EDTSpecial Marine WarningBOX43 min
Sep 13, 3:51 AM EDTSpecial Marine WarningBOX25 min
Sep 13, 5:39 AM EDTSpecial Marine WarningBOX66 min
Sep 13, 8:02 AM EDTSpecial Marine WarningBOX43 min
Sep 16, 5:43 AM EDTSpecial Marine WarningBOX62 min
Sep 16, 6:42 AM EDTSpecial Marine WarningBOX63 min
Sep 16, 7:00 AM EDTSpecial Marine WarningBOX60 min
Sep 16, 7:25 AM EDTSpecial Marine WarningBOX65 min
Sep 16, 7:27 AM EDTSpecial Marine WarningBOX63 min
Sep 16, 7:51 AM EDTSpecial Marine WarningBOX54 min
Sep 16, 8:15 AM EDTSpecial Marine WarningBOX90 min
Sep 16, 8:37 AM EDTSpecial Marine WarningBOX40 min
Sep 16, 9:31 AM EDTSpecial Marine WarningBOX59 min
Sep 18, 10:50 PM EDTSpecial Marine WarningBOX55 min
Sep 24, 12:19 PM EDTSpecial Marine WarningBOX56 min
Sep 28, 10:06 AM EDTSpecial Marine WarningBOX54 min
Sep 28, 11:42 AM EDTSpecial Marine WarningBOX48 min
Sep 28, 1:58 PM EDTSpecial Marine WarningBOX47 min
Sep 28, 2:30 PM EDTSpecial Marine WarningBOX45 min
Sep 28, 3:29 PM EDTSpecial Marine WarningBOX46 min
Oct 31, 2:01 AM EDTSpecial Marine WarningBOX59 min
Oct 31, 3:34 AM EDTSpecial Marine WarningBOX56 min
Nov 12, 3:24 PM ESTSpecial Marine WarningBOX27 min
Nov 12, 3:41 PM ESTSpecial Marine WarningBOX30 min
Nov 12, 5:30 PM ESTSpecial Marine WarningBOX45 min
Nov 13, 4:45 PM ESTSpecial Marine WarningBOX60 min
Nov 13, 5:22 PM ESTSpecial Marine WarningBOX53 min
Nov 13, 6:02 PM ESTSpecial Marine WarningBOX58 min
Nov 13, 6:13 PM ESTSpecial Marine WarningBOX92 min
Nov 22, 2:44 AM ESTSpecial Marine WarningBOX61 min
Nov 22, 3:10 AM ESTSpecial Marine WarningBOX50 min
Dec 2, 10:48 PM ESTSpecial Marine WarningBOX57 min

The busiest days

Days with the most alerts issued, by UTC date.

  1. September 2, 202111special marine warnings
  2. September 16, 20219special marine warnings
  3. July 6, 20217special marine warnings
  4. July 1, 20216special marine warnings
  5. June 30, 20215special marine warnings
  6. July 7, 20215special marine warnings
  7. September 1, 20215special marine warnings
  8. September 28, 20215special marine warnings
  9. June 8, 20214special marine warnings
  10. July 30, 20214special marine warnings
  11. September 9, 20214special marine warnings
  12. September 13, 20214special 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.