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; Waters from Pt. Sal to Santa Cruz Island CA and westward 60 nm including San Miguel and Santa Rosa Islands +1 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 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
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......
What the bulletin says to do
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... 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 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 815 PM PDT. * At 615 PM PDT, severe thunderstorms were located along a line extending from 9 nm southwest of Point Sal to 31 nm south of San Miguel Island, moving east at 10 knots. HAZARD...Wind gusts in excess of 50 knots and small hail. SOURCE...Radar. IMPACT...Boats could suffer significant structural damage in high winds. Small craft could capsize in suddenly higher waves. * Locations impacted include... Point Arguello... Point Conception... Point Sal... San Miguel Island... and Santa Rosa Island.
Official geometry where available
Alert boundary
Lifecycle record
Official revisions
- Alert
Special Marine Warning issued October 21 at 6:16PM PDT until October 21 at 8:15PM 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
- Actual
- Message type
- Alert
- Last collected