2 advisories are in effect for Orange County, CA. The most serious is a coastal flood advisory.
Since 2016 the National Weather Service has issued about 754 alerts that included Orange County, roughly 75 a year. The most common is the flood advisory (147 from 2016 to 2025). The last tornado warning was issued on December 26, 2019. 32 tornadoes have touched down in the county since 1950.
Updated from the National Weather Service · lists refresh hourly; the live map loads current alerts directly from the NWS
San Diego County Coastal Areas; Orange County CoastalUntil · NWS San Diego CA
HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST SUNDAY... ...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON
Full alert text
* WHAT...For the High Surf Advisory, large breaking waves of 5
to 7 feet with sets 8 to 10 feet along west-facing beaches.
For the Coastal Flood Advisory, minor coastal flooding
expected, particularly along west-facing beaches where surf
will be highest.
* WHERE...San Diego County Coastal Areas and Orange County
Coastal Areas.
* WHEN...For the High Surf Advisory, until 10 AM PST Sunday. For
the Coastal Flood Advisory, from 7 AM to 4 PM PST Saturday.
* IMPACTS...Flooding of lots, parks, and roads with only
isolated road closures expected. Dangerous swimming and
surfing conditions and localized beach erosion.
* ADDITIONAL DETAILS...Adjusted high tides will be near 6.2- 6.5
feet around midday today, which will combine with high surf to
produce minor coastal flooding. Highest surf is expected to
occur late today into early Sunday. Surf begins to subside
Sunday afternoon but will remain elevated into Monday.
What to do: If travel is required, allow extra time as some roads may be
closed. Do not drive around barricades or through water of
unknown depth. Take the necessary actions to protect flood-prone
property.
Inexperienced swimmers should remain out of the water due to
dangerous surf conditions.
High Surf Advisory
San Diego County Coastal Areas; Orange County CoastalUntil · NWS San Diego CA
HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST SUNDAY... ...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON
Full alert text
* WHAT...For the High Surf Advisory, large breaking waves of 5
to 7 feet with sets 8 to 10 feet along west-facing beaches.
For the Coastal Flood Advisory, minor coastal flooding
expected, particularly along west-facing beaches where surf
will be highest.
* WHERE...San Diego County Coastal Areas and Orange County
Coastal Areas.
* WHEN...For the High Surf Advisory, until 10 AM PST Sunday. For
the Coastal Flood Advisory, from 7 AM to 4 PM PST Saturday.
* IMPACTS...Flooding of lots, parks, and roads with only
isolated road closures expected. Dangerous swimming and
surfing conditions and localized beach erosion.
* ADDITIONAL DETAILS...Adjusted high tides will be near 6.2- 6.5
feet around midday today, which will combine with high surf to
produce minor coastal flooding. Highest surf is expected to
occur late today into early Sunday. Surf begins to subside
Sunday afternoon but will remain elevated into Monday.
What to do: If travel is required, allow extra time as some roads may be
closed. Do not drive around barricades or through water of
unknown depth. Take the necessary actions to protect flood-prone
property.
Inexperienced swimmers should remain out of the water due to
dangerous surf conditions.
Map data: NWS, OpenFreeMap, OpenStreetMap
Recent alerts in Orange County
Issued
Alert
Area
Nov 14, 8:14 AM EST
Coastal Flood Advisory
San Diego County Coastal Areas; Orange County Coastal
Orange County alert history
Alert events that included Orange County or its forecast zones, from the NWS warning archive.
32 tornadoes have been recorded in Orange County since 1950, injuring 13 people. That ranks 2 of 58 counties in California. The most recent was on January 19, 2010 (rated EF1).