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Alert Archives for All California Counties
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84 total alerts issued on this day

Updates Every 15 Minutes
Spacer GifLast Update:October 28, 2026 - 7:00 am PDT
Alameda County
FLS.gif   COASTAL FLOOD ADVISORY   (3 updates)
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 27 3:11 pm Expired: Oct 28 2:00 am Duration: 10 hrs   49 mins  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 28 12:20 am Expired: Oct 28 3:00 pm Duration: 14 hrs   40 mins  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 28 1:46 pm Expired: Oct 29 5:15 am Duration: 15 hrs   29 mins  
Contra Costa County
FLS.gif   COASTAL FLOOD ADVISORY   (3 updates)
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 27 3:11 pm Expired: Oct 28 2:00 am Duration: 10 hrs   49 mins  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 28 12:20 am Expired: Oct 28 3:00 pm Duration: 14 hrs   40 mins  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 28 1:46 pm Expired: Oct 29 5:15 am Duration: 15 hrs   29 mins  
Los Angeles County
FLS.gif   COASTAL FLOOD ADVISORY   (6 updates)
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 27 3:11 pm Expired: Oct 28 2:00 am Duration: 10 hrs   49 mins  
  Areas affected: Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast
Effective: Oct 27 3:11 pm Expired: Oct 28 2:00 am Duration: 10 hrs   49 mins  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 28 12:20 am Expired: Oct 28 3:00 pm Duration: 14 hrs   40 mins  
  Areas affected: Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast
Effective: Oct 28 12:20 am Expired: Oct 28 3:00 pm Duration: 14 hrs   40 mins  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 28 1:46 pm Expired: Oct 29 5:15 am Duration: 15 hrs   29 mins  
  Areas affected: Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast
Effective: Oct 28 1:46 pm Expired: Oct 29 5:15 am Duration: 15 hrs   29 mins  
Marin County
FLS.gif   COASTAL FLOOD ADVISORY   (6 updates)
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 27 3:11 pm Expired: Oct 28 2:00 am Duration: 10 hrs   49 mins  
  Areas affected: Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast
Effective: Oct 27 3:11 pm Expired: Oct 28 2:00 am Duration: 10 hrs   49 mins  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 28 12:20 am Expired: Oct 28 3:00 pm Duration: 14 hrs   40 mins  
  Areas affected: Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast
Effective: Oct 28 12:20 am Expired: Oct 28 3:00 pm Duration: 14 hrs   40 mins  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 28 1:46 pm Expired: Oct 29 5:15 am Duration: 15 hrs   29 mins  
  Areas affected: Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast
Effective: Oct 28 1:46 pm Expired: Oct 29 5:15 am Duration: 15 hrs   29 mins  
Monterey County
FLS.gif   COASTAL FLOOD ADVISORY   (3 updates)
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 27 3:11 pm Expired: Oct 28 2:00 am Duration: 10 hrs   49 mins  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 28 12:20 am Expired: Oct 28 3:00 pm Duration: 14 hrs   40 mins  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 28 1:46 pm Expired: Oct 29 5:15 am Duration: 15 hrs   29 mins  
Napa County
FLS.gif   COASTAL FLOOD ADVISORY   (3 updates)
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 27 3:11 pm Expired: Oct 28 2:00 am Duration: 10 hrs   49 mins  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 28 12:20 am Expired: Oct 28 3:00 pm Duration: 14 hrs   40 mins  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 28 1:46 pm Expired: Oct 29 5:15 am Duration: 15 hrs   29 mins  
San Francisco County
FLS.gif   COASTAL FLOOD ADVISORY   (3 updates)
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 27 3:11 pm Expired: Oct 28 2:00 am Duration: 10 hrs   49 mins  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 28 12:20 am Expired: Oct 28 3:00 pm Duration: 14 hrs   40 mins  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 28 1:46 pm Expired: Oct 29 5:15 am Duration: 15 hrs   29 mins  
San Mateo County
FLS.gif   COASTAL FLOOD ADVISORY   (6 updates)
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 27 3:11 pm Expired: Oct 28 2:00 am Duration: 10 hrs   49 mins  
  Areas affected: Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast
Effective: Oct 27 3:11 pm Expired: Oct 28 2:00 am Duration: 10 hrs   49 mins  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 28 12:20 am Expired: Oct 28 3:00 pm Duration: 14 hrs   40 mins  
  Areas affected: Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast
Effective: Oct 28 12:20 am Expired: Oct 28 3:00 pm Duration: 14 hrs   40 mins  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 28 1:46 pm Expired: Oct 29 5:15 am Duration: 15 hrs   29 mins  
  Areas affected: Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast
Effective: Oct 28 1:46 pm Expired: Oct 29 5:15 am Duration: 15 hrs   29 mins  
Santa Clara County
FLS.gif   COASTAL FLOOD ADVISORY   (3 updates)
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 27 3:11 pm Expired: Oct 28 2:00 am Duration: 10 hrs   49 mins  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 28 12:20 am Expired: Oct 28 3:00 pm Duration: 14 hrs   40 mins  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 28 1:46 pm Expired: Oct 29 5:15 am Duration: 15 hrs   29 mins  
Santa Cruz County
FLS.gif   COASTAL FLOOD ADVISORY   (6 updates)
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 27 3:11 pm Expired: Oct 28 2:00 am Duration: 10 hrs   49 mins  
  Areas affected: Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast
Effective: Oct 27 3:11 pm Expired: Oct 28 2:00 am Duration: 10 hrs   49 mins  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 28 12:20 am Expired: Oct 28 3:00 pm Duration: 14 hrs   40 mins  
  Areas affected: Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast
Effective: Oct 28 12:20 am Expired: Oct 28 3:00 pm Duration: 14 hrs   40 mins  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 28 1:46 pm Expired: Oct 29 5:15 am Duration: 15 hrs   29 mins  
  Areas affected: Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast
Effective: Oct 28 1:46 pm Expired: Oct 29 5:15 am Duration: 15 hrs   29 mins  
Sonoma County
FLS.gif   COASTAL FLOOD ADVISORY   (6 updates)
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 27 3:11 pm Expired: Oct 28 2:00 am Duration: 10 hrs   49 mins  
  Areas affected: Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast
Effective: Oct 27 3:11 pm Expired: Oct 28 2:00 am Duration: 10 hrs   49 mins  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 28 12:20 am Expired: Oct 28 3:00 pm Duration: 14 hrs   40 mins  
  Areas affected: Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast
Effective: Oct 28 12:20 am Expired: Oct 28 3:00 pm Duration: 14 hrs   40 mins  
  Areas affected: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: Oct 28 1:46 pm Expired: Oct 29 5:15 am Duration: 15 hrs   29 mins  
  Areas affected: Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast
Effective: Oct 28 1:46 pm Expired: Oct 29 5:15 am Duration: 15 hrs   29 mins  
Humboldt County   2 alerts
FLS.gif   COASTAL FLOOD ADVISORY   (4 updates)
  Areas affected: Northern Coastal Humboldt
Effective: Oct 27 2:49 pm Expired: Oct 28 3:00 pm Duration: 1 day   0 hrs   11 mins  
  Areas affected: Northern Coastal Humboldt
Effective: Oct 28 2:26 am Expired: Oct 28 10:30 am Duration: 8 hrs   04 mins  
  Areas affected: Northern Coastal Humboldt
Effective: Oct 28 10:04 am Expired: Oct 28 3:00 pm Duration: 4 hrs   56 mins  
  Areas affected: Northern Coastal Humboldt
Effective: Oct 28 2:47 pm Expired: Oct 29 4:00 pm Duration: 1 day   1 hr   13 mins  
FRY.gif   FROST ADVISORY   (3 updates)
  Areas affected: Northeastern Interior Humboldt; Southeastern Interior Humboldt; Southeastern Interior Mendocino; Western Lake
Effective: Oct 27 12:13 pm Expired: Oct 28 9:00 am Duration: 20 hrs   47 mins  
  Areas affected: Northeastern Interior Humboldt; Southeastern Interior Humboldt; Southeastern Interior Mendocino; Western Lake
Effective: Oct 28 8:31 am Expired: Oct 28 9:45 am Duration: 1 hr   14 mins  
  Areas affected: Coastal Del Norte; Interior Del Norte; Northern Coastal Humboldt; Southwestern Humboldt; Northeastern Interior Humboldt; Southeastern Interior Humboldt; Coastal Mendocino; Southwestern Interior Mendocino
Effective: Oct 28 10:53 am Expired: Oct 29 9:00 am Duration: 22 hrs   07 mins  
Lake County   2 alerts
FRY.gif   FROST ADVISORY   (2 updates)
  Areas affected: Northeastern Interior Humboldt; Southeastern Interior Humboldt; Southeastern Interior Mendocino; Western Lake
Effective: Oct 27 12:13 pm Expired: Oct 28 9:00 am Duration: 20 hrs   47 mins  
  Areas affected: Northeastern Interior Humboldt; Southeastern Interior Humboldt; Southeastern Interior Mendocino; Western Lake
Effective: Oct 28 8:31 am Expired: Oct 28 9:45 am Duration: 1 hr   14 mins  
FZW.gif   FREEZE WARNING   (3 updates)
  Areas affected: Northwestern Interior Mendocino; Northeastern Interior Mendocino; Northern Lake
Effective: Oct 27 12:13 pm Expired: Oct 28 9:00 am Duration: 20 hrs   47 mins  
  Areas affected: Northwestern Interior Mendocino; Northeastern Interior Mendocino; Northern Lake
Effective: Oct 28 8:31 am Expired: Oct 28 9:45 am Duration: 1 hr   14 mins  
  Areas affected: Northwestern Interior Mendocino; Northeastern Interior Mendocino; Northern Lake
Effective: Oct 28 10:53 am Expired: Oct 29 9:00 am Duration: 22 hrs   07 mins  
Mendocino County   2 alerts
FRY.gif   FROST ADVISORY   (3 updates)
  Areas affected: Northeastern Interior Humboldt; Southeastern Interior Humboldt; Southeastern Interior Mendocino; Western Lake
Effective: Oct 27 12:13 pm Expired: Oct 28 9:00 am Duration: 20 hrs   47 mins  
  Areas affected: Northeastern Interior Humboldt; Southeastern Interior Humboldt; Southeastern Interior Mendocino; Western Lake
Effective: Oct 28 8:31 am Expired: Oct 28 9:45 am Duration: 1 hr   14 mins  
  Areas affected: Coastal Del Norte; Interior Del Norte; Northern Coastal Humboldt; Southwestern Humboldt; Northeastern Interior Humboldt; Southeastern Interior Humboldt; Coastal Mendocino; Southwestern Interior Mendocino
Effective: Oct 28 10:53 am Expired: Oct 29 9:00 am Duration: 22 hrs   07 mins  
FZW.gif   FREEZE WARNING   (3 updates)
  Areas affected: Northwestern Interior Mendocino; Northeastern Interior Mendocino; Northern Lake
Effective: Oct 27 12:13 pm Expired: Oct 28 9:00 am Duration: 20 hrs   47 mins  
  Areas affected: Northwestern Interior Mendocino; Northeastern Interior Mendocino; Northern Lake
Effective: Oct 28 8:31 am Expired: Oct 28 9:45 am Duration: 1 hr   14 mins  
  Areas affected: Northwestern Interior Mendocino; Northeastern Interior Mendocino; Northern Lake
Effective: Oct 28 10:53 am Expired: Oct 29 9:00 am Duration: 22 hrs   07 mins  
Northern Lake County
FZW.gif   FREEZE WARNING   (3 updates)
  Areas affected: Northwestern Interior Mendocino; Northeastern Interior Mendocino; Northern Lake
Effective: Oct 27 12:13 pm Expired: Oct 28 9:00 am Duration: 20 hrs   47 mins  
  Areas affected: Northwestern Interior Mendocino; Northeastern Interior Mendocino; Northern Lake
Effective: Oct 28 8:31 am Expired: Oct 28 9:45 am Duration: 1 hr   14 mins  
  Areas affected: Northwestern Interior Mendocino; Northeastern Interior Mendocino; Northern Lake
Effective: Oct 28 10:53 am Expired: Oct 29 9:00 am Duration: 22 hrs   07 mins  
Orange County   2 alerts
CFW.gif   COASTAL FLOOD WARNING   (3 updates)
  Areas affected: San Diego County Coastal Areas; Orange County Coastal
Effective: Oct 27 9:34 pm Expired: Oct 28 6:15 am Duration: 8 hrs   41 mins  
  Areas affected: San Diego County Coastal Areas; Orange County Coastal
Effective: Oct 28 1:09 am Expired: Oct 28 2:30 pm Duration: 13 hrs   21 mins  
  Areas affected: San Diego County Coastal Areas; Orange County Coastal
Effective: Oct 28 11:46 am Expired: Oct 28 8:00 pm Duration: 8 hrs   14 mins  
FLS.gif   COASTAL FLOOD ADVISORY  
  Areas affected: San Diego County Coastal Areas; Orange County Coastal
Effective: Oct 28 11:46 am Expired: Oct 28 8:00 pm Duration: 8 hrs   14 mins  
San Diego County   2 alerts
CFW.gif   COASTAL FLOOD WARNING   (3 updates)
  Areas affected: San Diego County Coastal Areas; Orange County Coastal
Effective: Oct 27 9:34 pm Expired: Oct 28 6:15 am Duration: 8 hrs   41 mins  
  Areas affected: San Diego County Coastal Areas; Orange County Coastal
Effective: Oct 28 1:09 am Expired: Oct 28 2:30 pm Duration: 13 hrs   21 mins  
  Areas affected: San Diego County Coastal Areas; Orange County Coastal
Effective: Oct 28 11:46 am Expired: Oct 28 8:00 pm Duration: 8 hrs   14 mins  
FLS.gif   COASTAL FLOOD ADVISORY  
  Areas affected: San Diego County Coastal Areas; Orange County Coastal
Effective: Oct 28 11:46 am Expired: Oct 28 8:00 pm Duration: 8 hrs   14 mins  
San Luis Obispo County
FLS.gif   COASTAL FLOOD ADVISORY   (2 updates)
  Areas affected: San Luis Obispo County Beaches; Santa Barbara County Central Coast Beaches; Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Ventura County Beaches; Malibu Coast; Los Angeles County Beaches
Effective: Oct 27 6:54 am Expired: Oct 29 1:00 pm Duration: 2 days   6 hrs   06 mins  
  Areas affected: San Luis Obispo County Beaches; Santa Barbara County Central Coast Beaches; Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Ventura County Beaches; Malibu Coast; Los Angeles County Beaches
Effective: Oct 28 11:39 am Expired: Oct 29 9:30 am Duration: 21 hrs   51 mins  
Santa Barbara County
FLS.gif   COASTAL FLOOD ADVISORY   (2 updates)
  Areas affected: San Luis Obispo County Beaches; Santa Barbara County Central Coast Beaches; Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Ventura County Beaches; Malibu Coast; Los Angeles County Beaches
Effective: Oct 27 6:54 am Expired: Oct 29 1:00 pm Duration: 2 days   6 hrs   06 mins  
  Areas affected: San Luis Obispo County Beaches; Santa Barbara County Central Coast Beaches; Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Ventura County Beaches; Malibu Coast; Los Angeles County Beaches
Effective: Oct 28 11:39 am Expired: Oct 29 9:30 am Duration: 21 hrs   51 mins  
Ventura County
FLS.gif   COASTAL FLOOD ADVISORY   (2 updates)
  Areas affected: San Luis Obispo County Beaches; Santa Barbara County Central Coast Beaches; Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Ventura County Beaches; Malibu Coast; Los Angeles County Beaches
Effective: Oct 27 6:54 am Expired: Oct 29 1:00 pm Duration: 2 days   6 hrs   06 mins  
  Areas affected: San Luis Obispo County Beaches; Santa Barbara County Central Coast Beaches; Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Ventura County Beaches; Malibu Coast; Los Angeles County Beaches
Effective: Oct 28 11:39 am Expired: Oct 29 9:30 am Duration: 21 hrs   51 mins  
Del Norte County
FRY.gif   FROST ADVISORY  
  Areas affected: Coastal Del Norte; Interior Del Norte; Northern Coastal Humboldt; Southwestern Humboldt; Northeastern Interior Humboldt; Southeastern Interior Humboldt; Coastal Mendocino; Southwestern Interior Mendocino
Effective: Oct 28 10:53 am Expired: Oct 29 9:00 am Duration: 22 hrs   07 mins  


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