Alert archive / California / High Surf Warnings / 2023
High Surf Warnings in California, December 2023
5 high surf warnings in December 2023. 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 high surf warnings reaches back to 2005.
High Surf Warnings by county
Each county as a circle sized by its count in December 2023. Tap one for its archive.
- High Surf Warnings
- 5
- Busiest day
- December 26, 20233 high surf warnings
Over time
By day
Days in UTC, the clock the archive keeps.
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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 25, 10:13 PM PST | High Surf Warning | LOX | Los Angeles, San Luis Obispo, Santa Barbara, Ventura | 5 days |
| Dec 25, 11:44 PM PST | High Surf Warning | MTR | Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma | 3 days |
| Dec 26, 3:13 AM PST | High Surf Warning | EKA | Del Norte, Humboldt, Mendocino | 65 hr |
| Dec 27, 1:41 PM PST | High Surf Warning | SGX | Orange, San Diego | 5 days |
| Dec 29, 1:58 PM PST | High Surf Warning | MTR | Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma | 24 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20222024
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.