Alert archive / California / High Surf Advisories
High Surf Advisories in California, 2021
45 high surf advisories 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 high surf advisories reaches back to 2005.
High Surf Advisories by county
Each county as a circle sized by its count in 2021. Tap one for its archive.
- High Surf Advisories
- 45
- Busiest month
- January17 high surf advisories
- Busiest day
- January 11, 20213 high surf advisories
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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 1, 3:49 AM PST | High Surf Advisory | EKA | Del Norte, Humboldt, Mendocino | 42 hr |
| Jan 1, 8:02 AM PST | High Surf Advisory | MTR | Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma | 49 hr |
| Jan 3, 8:38 AM PST | High Surf Advisory | MTR | Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma | 62 hr |
| Jan 3, 2:03 PM PST | High Surf Advisory | EKA | Del Norte, Humboldt, Mendocino | 51 hr |
| Jan 6, 3:35 AM PST | High Surf Advisory | EKA | Del Norte, Humboldt | 14 hr |
| Jan 6, 9:03 AM PST | High Surf Advisory | LOX | 4 days | |
| Jan 7, 12:46 AM PST | High Surf Advisory | MTR | Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma | 53 hr |
| Jan 7, 3:16 AM PST | High Surf Advisory | EKA | Del Norte, Humboldt, Mendocino | 43 hr |
| Jan 11, 1:43 PM PST | High Surf Advisory | LOX | 3 days | |
| Jan 11, 2:17 PM PST | High Surf Advisory | EKA | Del Norte, Humboldt, Mendocino | 40 hr |
| Jan 11, 2:35 PM PST | High Surf Advisory | MTR | Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma | 54 hr |
| Jan 14, 8:04 PM PST | High Surf Advisory | MTR | Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma | 47 hr |
| Jan 15, 4:05 AM PST | High Surf Advisory | LOX | Los Angeles | 5 days |
| Jan 16, 1:39 AM PST | High Surf Advisory | SGX | San Diego | 4 days |
| Jan 16, 7:08 PM PST | High Surf Advisory | MTR | Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma | 47 hr |
| Jan 23, 9:28 PM PST | High Surf Advisory | LOX | Los Angeles | 6 days |
| Jan 24, 1:45 AM PST | High Surf Advisory | SGX | Orange, San Diego | 64 hr |
| Feb 13, 1:54 PM PST | High Surf Advisory | LOX | 4 days | |
| Feb 21, 2:45 AM PST | High Surf Advisory | LOX | 18 hr | |
| Feb 23, 4:34 AM PST | High Surf Advisory | LOX | 39 hr | |
| Feb 26, 1:38 AM PST | High Surf Advisory | LOX | 56 hr | |
| Mar 4, 1:01 PM PST | High Surf Advisory | LOX | 3 days | |
| Mar 8, 1:23 AM PST | High Surf Advisory | LOX | 4 days | |
| Mar 15, 1:43 AM PDT | High Surf Advisory | SGX | Orange, San Diego | 20 hr |
| Mar 15, 2:14 AM PDT | High Surf Advisory | LOX | 31 hr | |
| Mar 18, 7:39 PM PDT | High Surf Advisory | LOX | 49 hr | |
| Apr 23, 12:37 PM PDT | High Surf Advisory | SGX | Orange | 62 hr |
| Sep 12, 2:01 AM PDT | High Surf Advisory | SGX | Orange | 4 days |
| Oct 9, 7:20 PM PDT | High Surf Advisory | LOX | Los Angeles | 64 hr |
| Oct 10, 12:02 PM PDT | High Surf Advisory | SGX | Orange, San Diego | 44 hr |
| Oct 21, 7:49 AM PDT | High Surf Advisory | LOX | 6 hr | |
| Oct 21, 2:28 PM PDT | High Surf Advisory | LOX | 56 hr | |
| Oct 22, 12:56 PM PDT | High Surf Advisory | MTR | Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma | 10 hr |
| Oct 22, 9:02 PM PDT | High Surf Advisory | EKA | Mendocino | 52 hr |
| Oct 23, 9:48 PM PDT | High Surf Advisory | LOX | Los Angeles | 4 days |
| Oct 24, 1:20 AM PDT | High Surf Advisory | SGX | Orange, San Diego | 3 days |
| Oct 25, 5:29 PM PDT | High Surf Advisory | EKA | Del Norte, Humboldt, Mendocino | 6 hr |
| Oct 26, 10:41 AM PDT | High Surf Advisory | MTR | Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma | 9 hr |
| Nov 3, 1:45 PM PDT | High Surf Advisory | LOX | 54 hr | |
| Dec 11, 1:12 PM PST | High Surf Advisory | MTR | Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma | 4 days |
| Dec 13, 12:42 PM PST | High Surf Advisory | LOX | Los Angeles | 49 hr |
| Dec 13, 1:07 PM PST | High Surf Advisory | SGX | Orange, San Diego | 49 hr |
| Dec 14, 10:17 PM PST | High Surf Advisory | LOX | 16 hr | |
| Dec 17, 3:55 AM PST | High Surf Advisory | LOX | 8 hr | |
| Dec 26, 3:58 AM PST | High Surf Advisory | LOX | 10 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
The busiest days
Days with the most alerts issued, by UTC date.
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. Rebuilt daily.