Special Marine Warning for 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
Official alert fields
What you need to know
- Applies to
- 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, Waters from Pt. Sal to Santa Cruz Island CA and westward 60 nm including San Miguel and Santa Rosa Islands
- Effective
- Ended
- Official severity
- Severe
- Official urgency
- Immediate
- Official certainty
- Likely
What is happening
For the following areas... 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... Waters from Pt. Sal to Santa Cruz Island CA and westward 60 nm including San Miguel and Santa Rosa...
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... 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... Waters from Pt. Sal to Santa Cruz Island CA and westward 60 nm including San Miguel and Santa Rosa Islands... At 318 PM PDT, severe thunderstorms capable of producing waterspouts were located along a line extending from 24 nm southwest of Morro Bay to 24 nm west of Point Arguello to 38 nm west of Point Conception to 43 nm southwest of San Miguel Island, moving northeast at 10 knots. HAZARD...Waterspouts and wind gusts in excess of 50 knots. 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. Severe thunderstorms will remain over mainly open waters.
Lifecycle record
Official revisions
- Update
Special Marine Warning issued October 21 at 3:19PM PDT until October 21 at 4:15PM PDT by NWS Los Angeles/Oxnard CA
Official revision - Alert
Special Marine Warning issued October 21 at 2:22PM PDT until October 21 at 4:15PM 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
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- Last collected