NOAA NWS / Event history

Special Marine Warning issued October 21 at 4:53PM PDT until October 21 at 6:15PM PDT by NWS Los Angeles/Oxnard CA

Special Marine Warning · Point Piedras Blancas to Point Sal westward out to 10 NM; East Santa Barbara Channel from Pt. Conception to Pt. Mugu CA including Santa Cruz Island; Point Piedras Blancas to Point Sal from 10 to 60 NM; Waters from Pt. Sal to Santa Cruz Island CA and westward 60 nm including San Miguel and Santa Rosa Islands; Outer waters from Santa Cruz Island to San Clemente Island to 60 NM offshore including San Nicolas and Santa Barbara Islands. Severe; likely; urgency: immediate.

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Bulletin issued: 21 October 2026 at 23:53 UTC
First saved by us: 21 October 2026 at 23:10 UTC
Last included in a daily record: 22 October 2026
The linked daily edition preserves what we captured that UTC day; this event page is not a live warning.
Source classification: Severe · Source update

A recent feed check does not mean a new observation. This page preserves source records; it does not establish current safety or warning status.

Issuer / area: NWS Los Angeles/Oxnard CA · Point Piedras Blancas to Point Sal westward out to 10 NM; East Santa Barbara Channel from Pt. Conception to Pt. Mugu CA including Santa Cruz Island; Point Piedras Blancas to Point Sal from 10 to 60 NM; Waters from Pt. Sal to Santa Cruz Island CA and westward 60 nm including San Miguel and Santa Rosa Islands; Outer waters from Santa Cruz Island to San Clemente Island to 60 NM offshore including San Nicolas and Santa Barbara Islands
Certainty / urgency: Likely / Immediate
Message expiry (not hazard end): 22 October 2026 at 01:15 UTC
Forecast onset / end: 21 October 2026 at 23:53 UTC / 22 October 2026 at 01:15 UTC

Archived official description

For the following areas... East Santa Barbara Channel from Pt. Conception to Pt. Mugu CA including Santa Cruz Island... Outer waters from Santa Cruz Island to San Clemente Island to 60 NM offshore including San Nicolas and Santa Barbara Islands... Point Piedras Blancas to Point Sal from 10 to 60 NM... Point Piedras Blancas to Point Sal westward out to 10 NM... Waters from Pt. Sal to Santa Cruz Island CA and westward 60 nm including San Miguel and Santa Rosa Islands... At 452 PM PDT, a severe thunderstorm capable of producing waterspouts was located 16 nm west of Point Arguello, or 24 nm west of Point Conception, moving north at 50 knots. HAZARD...Waterspouts, wind gusts in excess of 50 knots, and small hail. SOURCE...Radar indicated. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. Boats could suffer significant structural damage in high winds. Small craft could capsize in suddenly higher waves. Locations impacted include... West Point Santa Cruz Island, Point Arguello, Point Sal, Morro Bay, Santa Rosa Island, San Miguel Island, Point Conception, Cambria, and Goleta Point.

Instructions in this archived message

Move to safe harbor immediately as gusty winds and high waves are expected. Thunderstorms can produce sudden waterspouts. Waterspouts can easily overturn boats and create locally hazardous seas. Seek safe harbor immediately.

The saved record

What changed

1 update · 1 first record

Each update compares two versions we saved. This may not include every update from the source. A missing report does not mean an event has ended.

Showing 1 change

Saved by us

21 October 2026 at 23:55 UTC

Version 2

Source status changed

Title: Before
Special Marine Warning issued October 21 at 4:09PM PDT until October 21 at 6:15PM PDT by NWS Los Angeles/Oxnard CA
After
Special Marine Warning issued October 21 at 4:53PM PDT until October 21 at 6:15PM PDT by NWS Los Angeles/Oxnard CA
Source updated: Before
21 October 2026 at 23:09 UTC
After
21 October 2026 at 23:53 UTC
Effective from: Before
21 October 2026 at 23:09 UTC
After
21 October 2026 at 23:53 UTC
Forecast onset: Before
21 October 2026 at 23:09 UTC
After
21 October 2026 at 23:53 UTC
Message type: Before
Alert
After
Update
Source status: Before
Source alert
After
Source update
Official description: Before
SMWLOX The National Weather Service in OXNARD has issued a * Special Marine Warning for... East Santa Barbara Channel from Pt. Conception to Pt. Mugu CA including Santa Cruz Island... Outer waters from Santa Cruz Island to San Clemente Island to 60 NM offshore including San Nicolas and Santa Barbara Islands... Point Piedras Blancas to Point Sal from 10 to 60 NM... Point Piedras Blancas to Point Sal westward out to 10 NM... Waters from Pt. Sal to Santa Cruz Island CA and westward 60 nm including San Miguel and Santa Rosa Islands... * Until 615 PM PDT. * At 407 PM PDT, a severe thunderstorm capable of producing waterspouts was located 31 nm west of San Miguel Island, moving north at 50 knots. HAZARD...Waterspouts, wind gusts in excess of 50 knots, and small hail. Scattered to numerous thunderstorms and possible waterspouts. SOURCE...Radar. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. Boats could suffer significant structural damage in high winds. Small craft could capsize in suddenly higher waves. * Locations impacted include... West Point Santa Cruz Island... Point Arguello... Point Sal... Morro Bay... Santa Rosa Island... San Miguel Island... Point Conception... Cambria... and Goleta Point.
After
For the following areas... East Santa Barbara Channel from Pt. Conception to Pt. Mugu CA including Santa Cruz Island... Outer waters from Santa Cruz Island to San Clemente Island to 60 NM offshore including San Nicolas and Santa Barbara Islands... Point Piedras Blancas to Point Sal from 10 to 60 NM... Point Piedras Blancas to Point Sal westward out to 10 NM... Waters from Pt. Sal to Santa Cruz Island CA and westward 60 nm including San Miguel and Santa Rosa Islands... At 452 PM PDT, a severe thunderstorm capable of producing waterspouts was located 16 nm west of Point Arguello, or 24 nm west of Point Conception, moving north at 50 knots. HAZARD...Waterspouts, wind gusts in excess of 50 knots, and small hail. SOURCE...Radar indicated. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. Boats could suffer significant structural damage in high winds. Small craft could capsize in suddenly higher waves. Locations impacted include... West Point Santa Cruz Island, Point Arguello, Point Sal, Morro Bay, Santa Rosa Island, San Miguel Island, Point Conception, Cambria, and Goleta Point.
External source link: Before
https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.6a3288e0aec7997088795f7ca22a083e6c426b65.001.1
After
https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.757fb8817c605bc2c1ef5ab5a89f2995a80b8f1f.001.1

Bulletin issued: 21 October 2026 at 23:53 UTC

View saved version 2

Original saved fields, unchanged. This is our record, not an archived copy of the external webpage.

{
  "id": "nws:5fee963400de7c8fbc9e27ed",
  "authorityId": "urn:oid:2.49.0.1.840.0.757fb8817c605bc2c1ef5ab5a89f2995a80b8f1f.001.1",
  "sender": "w-nws.webmaster@noaa.gov",
  "references": [
    {
      "identifier": "urn:oid:2.49.0.1.840.0.6a3288e0aec7997088795f7ca22a083e6c426b65.001.1",
      "sender": "w-nws.webmaster@noaa.gov"
    }
  ],
  "category": "weather",
  "title": "Special Marine Warning issued October 21 at 4:53PM PDT until October 21 at 6:15PM PDT by NWS Los Angeles/Oxnard CA",
  "eventType": "Special Marine Warning",
  "occurredAt": "2026-10-21T23:53:00.000Z",
  "issuedAt": "2026-10-21T23:53:00.000Z",
  "timeBasis": "Bulletin issued",
  "effectiveAt": "2026-10-21T23:53:00.000Z",
  "onsetAt": "2026-10-21T23:53:00.000Z",
  "expiresAt": "2026-10-22T01:15:00.000Z",
  "forecastEndAt": "2026-10-22T01:15:00.000Z",
  "severity": "Severe",
  "urgency": "Immediate",
  "certainty": "Likely",
  "messageType": "Update",
  "status": "Source update",
  "place": "Point Piedras Blancas to Point Sal westward out to 10 NM; East Santa Barbara Channel from Pt. Conception to Pt. Mugu CA including Santa Cruz Island; Point Piedras Blancas to Point Sal from 10 to 60 NM; Waters from Pt. Sal to Santa Cruz Island CA and westward 60 nm including San Miguel and Santa Rosa Islands; Outer waters from Santa Cruz Island to San Clemente Island to 60 NM offshore including San Nicolas and Santa Barbara Islands",
  "coordinates": null,
  "issuer": "NWS Los Angeles/Oxnard CA",
  "summary": "Special Marine Warning · Point Piedras Blancas to Point Sal westward out to 10 NM; East Santa Barbara Channel from Pt. Conception to Pt. Mugu CA including Santa Cruz Island; Point Piedras Blancas to Point Sal from 10 to 60 NM; Waters from Pt. Sal to Santa Cruz Island CA and westward 60 nm including San Miguel and Santa Rosa Islands; Outer waters from Santa Cruz Island to San Clemente Island to 60 NM offshore including San Nicolas and Santa Barbara Islands. Severe; likely; urgency: immediate.",
  "description": "For the following areas...\nEast Santa Barbara Channel from Pt. Conception to Pt. Mugu CA\nincluding Santa Cruz Island...\nOuter waters from Santa Cruz Island to San Clemente Island to 60 NM\noffshore including San Nicolas and Santa Barbara Islands...\nPoint Piedras Blancas to Point Sal from 10 to 60 NM...\nPoint Piedras Blancas to Point Sal westward out to 10 NM...\nWaters from Pt. Sal to Santa Cruz Island CA and westward 60 nm\nincluding San Miguel and Santa Rosa Islands...\n\nAt 452 PM PDT, a severe thunderstorm capable of producing waterspouts\nwas located 16 nm west of Point Arguello, or 24 nm west of Point\nConception, moving north at 50 knots.\n\nHAZARD...Waterspouts, wind gusts in excess of 50 knots, and small\nhail.\n\nSOURCE...Radar indicated.\n\nIMPACT...Waterspouts can easily overturn boats and create locally\nhazardous seas. Boats could suffer significant structural\ndamage in high winds. Small craft could capsize in suddenly\nhigher waves.\n\nLocations impacted include...\nWest Point Santa Cruz Island, Point Arguello, Point Sal, Morro Bay,\nSanta Rosa Island, San Miguel Island, Point Conception, Cambria, and\nGoleta Point.",
  "instruction": "Move to safe harbor immediately as gusty winds and high waves are\nexpected.\n\nThunderstorms can produce sudden waterspouts. Waterspouts can easily\noverturn boats and create locally hazardous seas. Seek safe harbor\nimmediately.",
  "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.757fb8817c605bc2c1ef5ab5a89f2995a80b8f1f.001.1",
  "source": "nws",
  "sourceName": "NOAA NWS"
}

Visit the external source ↗

The external page may have changed since this version was saved.

First saved record · 21 October 2026 at 23:10 UTC

Saved by us

21 October 2026 at 23:10 UTC

Starting point

First saved record

Our first saved version of Special Marine Warning issued October 21 at 4:09PM PDT until October 21 at 6:15PM PDT by NWS Los Angeles/Oxnard CA. We have no earlier saved version to compare.

Bulletin issued: 21 October 2026 at 23:09 UTC

View saved version 1

Original saved fields, unchanged. This is our record, not an archived copy of the external webpage.

{
  "id": "nws:9e7a0aa66ace036971a71de2",
  "authorityId": "urn:oid:2.49.0.1.840.0.6a3288e0aec7997088795f7ca22a083e6c426b65.001.1",
  "sender": "w-nws.webmaster@noaa.gov",
  "references": [],
  "category": "weather",
  "title": "Special Marine Warning issued October 21 at 4:09PM PDT until October 21 at 6:15PM PDT by NWS Los Angeles/Oxnard CA",
  "eventType": "Special Marine Warning",
  "occurredAt": "2026-10-21T23:09:00.000Z",
  "issuedAt": "2026-10-21T23:09:00.000Z",
  "timeBasis": "Bulletin issued",
  "effectiveAt": "2026-10-21T23:09:00.000Z",
  "onsetAt": "2026-10-21T23:09:00.000Z",
  "expiresAt": "2026-10-22T01:15:00.000Z",
  "forecastEndAt": "2026-10-22T01:15:00.000Z",
  "severity": "Severe",
  "urgency": "Immediate",
  "certainty": "Likely",
  "messageType": "Alert",
  "status": "Source alert",
  "place": "Point Piedras Blancas to Point Sal westward out to 10 NM; East Santa Barbara Channel from Pt. Conception to Pt. Mugu CA including Santa Cruz Island; Point Piedras Blancas to Point Sal from 10 to 60 NM; Waters from Pt. Sal to Santa Cruz Island CA and westward 60 nm including San Miguel and Santa Rosa Islands; Outer waters from Santa Cruz Island to San Clemente Island to 60 NM offshore including San Nicolas and Santa Barbara Islands",
  "coordinates": null,
  "issuer": "NWS Los Angeles/Oxnard CA",
  "summary": "Special Marine Warning · Point Piedras Blancas to Point Sal westward out to 10 NM; East Santa Barbara Channel from Pt. Conception to Pt. Mugu CA including Santa Cruz Island; Point Piedras Blancas to Point Sal from 10 to 60 NM; Waters from Pt. Sal to Santa Cruz Island CA and westward 60 nm including San Miguel and Santa Rosa Islands; Outer waters from Santa Cruz Island to San Clemente Island to 60 NM offshore including San Nicolas and Santa Barbara Islands. Severe; likely; urgency: immediate.",
  "description": "SMWLOX\n\nThe National Weather Service in OXNARD has issued a\n\n* Special Marine Warning for...\nEast Santa Barbara Channel from Pt. Conception to Pt. Mugu CA\nincluding Santa Cruz Island...\nOuter waters from Santa Cruz Island to San Clemente Island to 60 NM\noffshore including San Nicolas and Santa Barbara Islands...\nPoint Piedras Blancas to Point Sal from 10 to 60 NM...\nPoint Piedras Blancas to Point Sal westward out to 10 NM...\nWaters from Pt. Sal to Santa Cruz Island CA and westward 60 nm\nincluding San Miguel and Santa Rosa Islands...\n\n* Until 615 PM PDT.\n\n* At 407 PM PDT, a severe thunderstorm capable of producing\nwaterspouts was located 31 nm west of San Miguel Island, moving\nnorth at 50 knots.\n\nHAZARD...Waterspouts, wind gusts in excess of 50 knots, and small\nhail. Scattered to numerous thunderstorms and possible\nwaterspouts.\n\nSOURCE...Radar.\n\nIMPACT...Waterspouts can easily overturn boats and create locally\nhazardous seas. Boats could suffer significant structural\ndamage in high winds. Small craft could capsize in\nsuddenly higher waves.\n\n* Locations impacted include...\nWest Point Santa Cruz Island...\nPoint Arguello...\nPoint Sal...\nMorro Bay...\nSanta Rosa Island...\nSan Miguel Island...\nPoint Conception...\nCambria...\nand Goleta Point.",
  "instruction": "Move to safe harbor immediately as gusty winds and high waves are\nexpected.\n\nThunderstorms can produce sudden waterspouts. Waterspouts can easily\noverturn boats and create locally hazardous seas. Seek safe harbor\nimmediately.",
  "url": "https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.6a3288e0aec7997088795f7ca22a083e6c426b65.001.1",
  "source": "nws",
  "sourceName": "NOAA NWS"
}

Visit the external source ↗

The external page may have changed since this version was saved.