CALWIRE Weather Roundup (Friday, September 4, 2026)

9 active weather alerts statewide today, led by a high surf advisory for San Diego County Coastal Areas, plus coverage for Catalina and Santa Barbara Islands, San Luis Obispo County Beaches.

HIGH SURF ADVISORY — San Diego County Coastal Areas

High Surf Advisory issued September 4 at 12:26AM PDT until September 8 at 11:00PM PDT by NWS San Diego CA

COASTAL FLOOD ADVISORY — San Diego County Coastal Areas

Coastal Flood Advisory issued September 4 at 12:26AM PDT until September 8 at 11:00PM PDT by NWS San Diego CA

HIGH SURF ADVISORY — Catalina and Santa Barbara Islands

High Surf Advisory issued September 3 at 12:11PM PDT until September 8 at 11:00PM PDT by NWS Los Angeles/Oxnard CA

BEACH HAZARDS STATEMENT — San Luis Obispo County Beaches

Beach Hazards Statement issued September 3 at 12:11PM PDT until September 8 at 11:00PM PDT by NWS Los Angeles/Oxnard CA

COASTAL FLOOD ADVISORY — Catalina and Santa Barbara Islands

Coastal Flood Advisory issued September 3 at 12:11PM PDT until September 8 at 11:00PM PDT by NWS Los Angeles/Oxnard CA

BEACH HAZARDS STATEMENT — Southwestern Humboldt

Beach Hazards Statement issued September 3 at 11:26PM PDT until September 7 at 11:00PM PDT by NWS Eureka CA

COASTAL FLOOD ADVISORY — North Bay Interior Valleys

Coastal Flood Advisory issued September 3 at 11:21PM PDT until September 4 at 9:00PM PDT by NWS San Francisco CA

BEACH HAZARDS STATEMENT — San Francisco

Beach Hazards Statement issued September 3 at 11:21PM PDT until September 7 at 11:00PM PDT by NWS San Francisco CA

LAKE WIND ADVISORY — Lassen-Eastern Plumas-Eastern Sierra Counties

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Filed Under: Weather CALWIRE Weather Roundup Friday