High Surf Advisories in California
1,008 high surf advisories since 1986. 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 since 1986. Tap one for its archive.
- High Surf Advisories
- 1,008
- Busiest year
- 201685 high surf advisories
- Average year
- 48over 21 years on file
Over time
By year
Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.
By month of the year
By county
Every county with at least one alert. A county page lists each alert that covered it.
- San Diego County207
- Los Angeles County187
- Santa Cruz County160
- Marin County159
- San Mateo County159
- Sonoma County159
- City and County of San Francisco152
- Monterey County145
- Santa Barbara County101
- San Luis Obispo County99
- Orange County91
- Ventura County80
- Humboldt County59
- Del Norte County58
- Mendocino County54
- Alameda County17
- Contra Costa County17
- Santa Clara County17
- Riverside County1
The latest high surf advisories
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 3, 1:32 PM PDT | High Surf Advisory | SGX | Orange, San Diego | 5 days |
| Sep 3, 12:11 PM PDT | High Surf Advisory | LOX | Los Angeles, Ventura | 5 days |
| Jul 27, 1:36 PM PDT | High Surf Advisory | SGX | Orange, San Diego | 5 days |
| Jul 27, 1:24 PM PDT | High Surf Advisory | LOX | Los Angeles, Ventura | 5 days |
| Jul 17, 12:53 PM PDT | High Surf Advisory | LOX | Los Angeles, Ventura | 4 days |
| Jul 17, 12:05 PM PDT | High Surf Advisory | SGX | Orange, San Diego | 4 days |
| Jun 9, 1:28 PM PDT | High Surf Advisory | LOX | Los Angeles | 55 hr |
| May 30, 2:02 AM PDT | High Surf Advisory | LOX | San Luis Obispo, Santa Barbara | 44 hr |
| May 24, 8:13 PM PDT | High Surf Advisory | LOX | San Luis Obispo, Santa Barbara | 3 days |
| May 14, 11:27 AM PDT | High Surf Advisory | LOX | San Luis Obispo, Santa Barbara, Ventura | 4 days |
| Feb 23, 11:32 AM PST | High Surf Advisory | LOX | San Luis Obispo, Santa Barbara | 25 hr |
| Feb 17, 5:34 PM PST | High Surf Advisory | MTR | Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma | 55 hr |
Nearby
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.