Alert archive / California / Hazardous Seas Warnings

Hazardous Seas Warnings in California, 2026

20 hazardous seas warnings in 2026. 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 hazardous seas warnings reaches back to 2005.

Hazardous Seas Warnings by county

Each county as a circle sized by its count in 2026. Tap one for its archive.

Hazardous Seas Warnings
20
Busiest month
March5 hazardous seas warnings
Busiest day
February 22, 20262 hazardous seas warnings

Over time

By month

The alerts

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

IssuedProductOfficeCountiesLasted
Jan 4, 2:46 AM PSTHazardous Seas WarningEKA6 hr
Jan 6, 2:15 PM PSTHazardous Seas WarningEKA56 hr
Jan 14, 9:58 AM PSTHazardous Seas WarningEKA24 hr
Feb 22, 1:46 PM PSTHazardous Seas WarningEKA7 hr
Feb 22, 3:58 PM PSTHazardous Seas WarningEKA12 hr
Feb 24, 5:52 AM PSTHazardous Seas WarningEKA5 hr
Mar 10, 2:22 PM PDTHazardous Seas WarningEKA13 hr
Mar 20, 10:00 PM PDTHazardous Seas WarningEKA34 hr
Mar 22, 10:09 AM PDTHazardous Seas WarningEKA19 hr
Mar 24, 2:00 PM PDTHazardous Seas WarningEKA64 hr
Mar 26, 10:33 PM PDTHazardous Seas WarningEKA12 hr
Apr 1, 2:36 PM PDTHazardous Seas WarningEKA20 hr
Apr 29, 1:48 PM PDTHazardous Seas WarningEKA67 hr
May 20, 2:48 PM PDTHazardous Seas WarningEKA66 hr
May 30, 9:00 PM PDTHazardous Seas WarningEKA32 hr
May 31, 6:22 PM PDTHazardous Seas WarningEKA18 hr
Jun 28, 9:02 PM PDTHazardous Seas WarningEKA3 days
Aug 2, 8:42 PM PDTHazardous Seas WarningEKA12 hr
Aug 3, 9:28 AM PDTHazardous Seas WarningEKA12 hr
Aug 3, 8:50 PM PDTHazardous Seas WarningEKA18 hr

The busiest days

Days with the most alerts issued, by UTC date.

  1. February 22, 20262hazardous seas warnings
  2. August 3, 20262hazardous seas warnings
  3. January 4, 20261hazardous seas warnings
  4. January 6, 20261hazardous seas warnings
  5. January 14, 20261hazardous seas warnings
  6. February 24, 20261hazardous seas warnings
  7. March 10, 20261hazardous seas warnings
  8. March 21, 20261hazardous seas warnings
  9. March 22, 20261hazardous seas warnings
  10. March 24, 20261hazardous seas warnings
  11. March 27, 20261hazardous seas warnings
  12. April 1, 20261hazardous seas warnings

Nearby

Alerts in force nowTornadoes on recordThe radar archive2025

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.