El Niño-warmed seas are pushing tides unusually high in California, prompting the National Weather Service to issue a coastal flood advisory for San Francisco Bay and Monterey Bay.

Strong winds, large waves and storm surge are possible in Orange and San Diego counties, with heavy rain and flash flooding possible in Los Angeles, Palm Springs, Las Vegas and Phoenix.

Southern California is “playing with a similar setup” to Hurricane Marie, which caused destruction in Laguna Beach and Newport Beach in early September.

California’s exceptionally hot start to October will soon give way to a major change. Cooler weather is expected, but beyond that, things are uncertain.

Join Senator McGuire, along with climate scientists, meteorologists, and disaster preparedness experts, for a virtual Super El Niño Town Hall to learn how California is preparing for very strong or “super” El Niño weather patterns and events this fall.

The latest in a recurring series of live, virtual, & interactive #weather and #climate-focused "office hours" hosted by Dr. Daniel Swain. 08/10/2026 topic: E...

Weather system tied to warming sea surface expected to intensify in fall and winter, persisting until early spring 2027

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