CALWIRE Weather Roundup (Wednesday, October 28, 2026)

8 active weather alerts statewide today, led by a coastal flood advisory for Northern Coastal Humboldt, plus coverage for San Diego County Coastal Areas, Northwestern Interior Mendocino.

COASTAL FLOOD ADVISORY — Northern Coastal Humboldt

Coastal Flood Advisory issued October 28 at 2:26AM PDT until October 28 at 3:00PM PDT by NWS Eureka CA

COASTAL FLOOD WARNING — San Diego County Coastal Areas

Coastal Flood Warning issued October 28 at 1:09AM PDT until October 29 at 1:00PM PDT by NWS San Diego CA

FREEZE WARNING — Northwestern Interior Mendocino

Freeze Warning issued October 27 at 12:13PM PDT until October 28 at 9:00AM PDT by NWS Eureka CA

FROST ADVISORY — Northeastern Interior Humboldt

Frost Advisory issued October 27 at 12:13PM PDT until October 28 at 9:00AM PDT by NWS Eureka CA

COASTAL FLOOD ADVISORY — Coastal North Bay Including Point Reyes National Seashore

Coastal Flood Advisory issued October 28 at 12:20AM PDT until October 30 at 5:00PM PDT by NWS San Francisco CA

COASTAL FLOOD ADVISORY — San Francisco

Coastal Flood Advisory issued October 28 at 12:20AM PDT until October 31 at 6:00PM PDT by NWS San Francisco CA

COASTAL FLOOD ADVISORY — Catalina and Santa Barbara Islands

Coastal Flood Advisory issued October 27 at 6:54AM PDT until October 29 at 1:00PM PDT by NWS Los Angeles/Oxnard CA

COASTAL FLOOD ADVISORY — San Luis Obispo County Beaches

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Filed Under: Weather CALWIRE Weather Roundup Wednesday