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Live/Severe Alerts/Record/Special Marine Warning

Warning

Special Marine Warning

Point Piedras Blancas to Point Sal westward out to 10 NM; 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

Ended Oct 21, 4:15 PM PDT

Waterspout possibleMoving north at 31 mph
25 MI
20 MI
Map of the Special Marine Warning over Point Piedras Blancas to Point Sal westward out to 10 NM, with the area it draws around the storm. Drawn on the national sheet; the scale is at its foot.
In force from
Oct 21, 3:25 PM PDT
Until
Oct 21, 4:15 PM PDT
Issued
Oct 21, 3:25 PM PDT
Office
Los Angeles/Oxnard, CA
Number
59 of its kind from this office this year
Severity
Severe
Storm motion
Moving north at 31 mph
Where
Pacific waters

The National Weather Service in OXNARD has issued a

* Special Marine Warning for... 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 415 PM PDT.

* At 325 PM PDT, a severe thunderstorm capable of producing waterspouts was located 9 nm northwest of Point Sal, or 12 nm southwest of Pismo Beach, moving north at 25 knots.

Hazard
Waterspouts, wind gusts to nearly 50 knots, and small hail.
Source
Radar.
Impact
Waterspouts can easily overturn boats and create locally hazardous seas. Small craft could be damaged in briefly higher winds and suddenly higher waves.

* Locations impacted include... Point Sal... and Morro Bay.

What 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.

Read the platesWaterspout FB-EVT-012How to read a warning FB-STN-001

On the radarForecast gusts over itRadar

Also in force nearby

Every warning of October 21, 2026Every severe alert in force