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Ended official alertUpdated

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; Inner waters from Point Mugu to San Mateo Pt. CA including Santa Catalina and Anacapa Islands +3 more

This alert has ended.Kept for recent context. Do not use it as a current warning.

Official alert fields

What you need to know

Effective
Ended
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Official urgency
Immediate
Official certainty
Likely

What is happening

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... Inner waters from Point Mugu to San Mateo Pt. CA including Santa Catalina and Anacapa Islands... Outer waters from Santa Cruz Island...

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. Frequent lightning is occurring with these storms. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects.

Full official description

Bulletin details

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... Inner waters from Point Mugu to San Mateo Pt. CA including Santa Catalina and Anacapa Islands... 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 845 PM PDT. * At 807 PM PDT, severe thunderstorms capable of producing waterspouts were located along a line extending from 6 nm north of Point Sal to 19 nm south of Santa Rosa Island. The severe thunderstorms were moving north at around 30 mph. HAZARD...Waterspouts and wind gusts in excess of 50 knots. 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... Santa Rosa Island... San Miguel Island... Anacapa Island... Point Conception... Goleta Point... and San Nicolas Island.

Lifecycle record

Official revisions

1 captured
  1. Alert

    Special Marine Warning issued October 21 at 8:09PM PDT until October 21 at 8:45PM 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.

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