Illustrative image: Map of the Newport Bay watershed in Orange County, California with the main tributary San Diego Creek highlighted. Drainage boundaries and stream courses from OC Watersheds . — Shannon1/Wikimedia Commons, CC BY-SA 4.0
A coastal flood warning covers coastal areas of San Diego and Orange counties through 1 p.m. PDT on October 29, with a coastal flood advisory following through 2 p.m. PDT on October 30. The source reports possible road closures, inundation of low-lying property and infrastructure, and shoreline erosion.
Significant coastal flooding is expected in San Diego County coastal areas and Orange County coastal areas during late-morning high tides, through 1 PM PDT Thursday. The alert says roads may close and low-lying property and some critical infrastructure may be inundated.
The National Weather Service expects significant coastal flooding in coastal areas of San Diego and Orange counties from 5 a.m. PDT Sunday through 1 p.m. PDT Thursday during high tides. Roads may close, and low-lying homes, businesses and critical infrastructure may be inundated.
Illustrative image: KNOW YOUR CITY, NO.151 -- Oh, this is silly. Of course, it's a river. And it's foolish to ask which one. Because how many rivers does Los Angeles have? So let's just leave it that you're to guess WHERE along the river this is. ANSWER: Yep, it's the Los Angeles River, all right--Looking north beneath the 7th St. Bridge toward the 6th St. Bridge. That shiny stuff in the picture, incidentally, is water. — Los Angeles Times/Wikimedia Commons, CC BY 4.0
Floods
Flood Watches — Los Angeles/Oxnard2 related reports
2 related advisories are grouped here. Expand the group to review every affected area and source advisory.
The Flood Watch for Malibu Coast and the Eastern and Western Santa Monica Mountains Recreational Areas is set to expire at 4 PM PDT. The source says the flooding threat has ended, though localized flooding remains possible with heavier rain showers.
Illustrative image: The Columbia River at the Hanford Reach from the top of White Bluffs north of the Tri-Cities in Washington. — DJ Cane/Wikimedia Commons, CC BY-SA 4.0
The National Weather Service issued an alert for central Fresno County, California, through 6:15 p.m. PDT on October 22. Radar indicated thunderstorms had produced heavy rain, with flash flooding ongoing or expected shortly.
The NWS issued a flood watch for possible flash flooding in parts of central California, including Bakersfield, Tehachapi, and the Mojave Desert, through 8 p.m. PDT on October 22. The alert says to monitor forecasts and be prepared to act if flash-flood warnings are issued.
The National Weather Service issued a flash-flood warning for East Central Los Angeles County, including named cities and the Bridge Burn Scar area, until 2:00 PM PDT. The alert reports flash flooding ongoing or expected shortly and advises avoiding flooded roads.
Illustrative image: The view from my best friend's ranch in Bend, California showing the Sacramento River and open land beyond it. — Nickdp190/Wikimedia Commons, CC BY-SA 4.0
The National Weather Service alert covered Santa Barbara, Montecito, Carpinteria, and Summerland from 12:15 a.m. to 2:00 a.m. PDT on October 22, 2026. Radar indicated flash flooding, with impacts possible on roads, streams, and low-lying areas, as well as rock and mud slides.
Emergency management reported flash flooding already occurring in the warned area, with flooding along Highway 190 and around Panamint Valley Road. The warning was extended through 7:45 PM PDT, and the source advises avoiding flooded roads.
The National Weather Service office in Las Vegas warned of flash flooding in parts of Inyo and San Bernardino counties, California, through 7:45 PM PDT on October 21, 2026. The source reports life-threatening flooding as ongoing or imminent and advises avoiding flooded roads.
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