Special Marine Warning for 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 +2 more
Official alert fields
What you need to know
- Applies to
- 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
- Effective
- Ends or expires
- Official severity
- Severe
- Official urgency
- Immediate
- Official certainty
- Likely
What is happening
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...
What the bulletin says to do
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.
Full official description
Bulletin details
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.
Official geometry where available
Alert boundary
Lifecycle record
Official revisions
- Update
Special Marine Warning issued October 21 at 4:53PM PDT until October 21 at 6:15PM PDT by NWS Los Angeles/Oxnard CA
Official revision - Alert
Special Marine Warning issued October 21 at 4:09PM PDT until October 21 at 6:15PM PDT by NWS Los Angeles/Oxnard CA
Official revision
Source and limitations
Publisher: Weather Alert Watch. Primary source: NWS Los Angeles/Oxnard CA. This page reorganizes official fields and does not add a forecast or expand the affected area.
- CAP status
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- Last collected