Alert archive / California / Small Craft Advisories in 2021

Small Craft Advisory 6, NWS Los Angeles, CA

January 26, 2021

NWS Los Angeles, CA issued this small craft advisory at Jan 26, 2021, 5:21 AM PST. It was in force for 28 hr.

The area

The counties it named.

The facts

Issued
Jan 26, 2021, 5:21 AM PST (13:21 UTC)
Expired
Jan 27, 2021, 9:00 AM PST
In force
28 hr
Issued by
NWS Los Angeles, CA

The text

As transmitted.

144 
WHUS76 KLOX 261321
MWWLOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
521 AM PST Tue Jan 26 2021

PZZ645-262130-
/O.CAN.KLOX.GL.W.0003.000000T0000Z-210126T1700Z/
/O.NEW.KLOX.SC.Y.0006.210126T1321Z-210127T0800Z/
/O.NEW.KLOX.GL.W.0004.210127T0800Z-210128T1700Z/
Point Piedras Blancas to Point Sal westward out to 10 NM-
521 AM PST Tue Jan 26 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT PST TONIGHT...
...GALE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM PST
THURSDAY...

* WHAT...Southeast to south winds 20 to 30 kt with gusts to
  35 kt and combined seas of 10 to 12 feet are expected when
  conditions are worst.

* WHERE...Point Piedras Blancas to Point Sal westward out to 10 
  NM.

* WHEN...For the Gale Warning, from midnight tonight to 9 AM PST 
  Thursday. For the Small Craft Advisory, until midnight PST 
  tonight.

* IMPACTS...Strong winds will create dangerous sea conditions 
  which could capsize or damage small and large vessels.

* ADDITIONAL DETAILS...See the Coastal Waters Forecast (CWFLOX).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

PZZ673-262130-
/O.CAN.KLOX.GL.W.0003.000000T0000Z-210126T1700Z/
/O.NEW.KLOX.SC.Y.0006.210126T1321Z-210127T0800Z/
/O.NEW.KLOX.GL.W.0004.210127T0800Z-210128T1700Z/
Waters from Pt. Sal to Santa Cruz Island CA and westward 60 nm
including San Miguel and Santa Rosa Islands-
521 AM PST Tue Jan 26 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT PST TONIGHT...
...GALE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM PST
THURSDAY...

* WHAT...Southeast to south winds 25 to 35 kt with gusts to
  45 kt and combined seas of 10 to 13 feet are expected when
  conditions are worst.

* WHERE...Waters from Pt. Sal to Santa Cruz Island CA and 
  westward 60 nm including San Miguel and Santa Rosa Islands.

* WHEN...For the Gale Warning, from midnight tonight to 9 AM PST 
  Thursday. For the Small Craft Advisory, until midnight PST 
  tonight.

* IMPACTS...Strong winds will create dangerous sea conditions 
  which could capsize or damage small and large vessels.

* ADDITIONAL DETAILS...See the Coastal Waters Forecast (CWFLOX).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

PZZ670-262130-
/O.CAN.KLOX.GL.W.0003.000000T0000Z-210126T1700Z/
/O.NEW.KLOX.SC.Y.0006.210126T1321Z-210127T0800Z/
/O.NEW.KLOX.GL.W.0004.210127T0800Z-210128T1700Z/
Point Piedras Blancas to Point Sal from 10 to 60 NM-
521 AM PST Tue Jan 26 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT PST TONIGHT...
...GALE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM PST
THURSDAY...

* WHAT...South winds 25 to 35 kt with gusts to 45 kt and 
  combined seas of 11 to 14 feet are expected when 
  conditions are worst.

* WHERE...Point Piedras Blancas to Point Sal from 10 to 60 NM.

* WHEN...For the Gale Warning, from midnight tonight to 9 AM PST 
  Thursday. For the Small Craft Advisory, until midnight PST 
  tonight.

* IMPACTS...Strong winds will create dangerous sea conditions 
  which could capsize or damage small and large vessels.

* ADDITIONAL DETAILS...See the Coastal Waters Forecast (CWFLOX).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

PZZ650-262130-
/O.CAN.KLOX.GL.W.0003.000000T0000Z-210126T1700Z/
/O.NEW.KLOX.SC.Y.0006.210126T1321Z-210126T2300Z/
East Santa Barbara Channel from Pt. Conception to Pt. Mugu CA
including Santa Cruz Island-
521 AM PST Tue Jan 26 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM PST THIS AFTERNOON...
...GALE WARNING IS CANCELLED...

* WHAT...Hazardous wind and sea conditions.

* WHERE...East Santa Barbara Channel from Pt. Conception to Pt. 
  Mugu CA including Santa Cruz Island.

* WHEN...Until 3 PM PST this afternoon.

* IMPACTS...Conditions will be hazardous to small craft.

* ADDITIONAL DETAILS...See the Coastal Waters Forecast (CWFLOX).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

PZZ655-262130-
/O.CAN.KLOX.GL.W.0003.000000T0000Z-210126T1700Z/
/O.NEW.KLOX.SC.Y.0006.210126T1321Z-210126T2300Z/
Inner waters from Point Mugu to San Mateo Pt. CA including Santa
Catalina and Anacapa Islands-
521 AM PST Tue Jan 26 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM PST THIS AFTERNOON...
...GALE WARNING IS CANCELLED...

* WHAT...Hazardous wind and sea conditions.

* WHERE...Inner waters from Point Mugu to San Mateo Pt. CA 
  including Santa Catalina and Anacapa Islands.

* WHEN...Until 3 PM PST this afternoon.

* IMPACTS...Conditions will be hazardous to small craft.

* ADDITIONAL DETAILS...See the Coastal Waters Forecast (CWFLOX).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

PZZ676-261700-
/O.CON.KLOX.GL.W.0003.000000T0000Z-210126T1700Z/
Outer waters from Santa Cruz Island to San Clemente Island to
60 NM offshore including San Nicolas and Santa Barbara Islands-
521 AM PST Tue Jan 26 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING...

* WHAT...Northwest winds 20 to 30 kt with gusts to 35 kt and 
  combined seas of 14 to 18 feet are expected when conditions
  are worst.

* WHERE...Outer waters from Santa Cruz Island to San Clemente 
  Island to 60 NM offshore including San Nicolas and Santa 
  Barbara Islands.

* WHEN...Until 9 AM PST this morning.

* IMPACTS...Strong winds will create dangerous sea conditions 
  which could capsize or damage small and large vessels.

* ADDITIONAL DETAILS...See the Coastal Waters Forecast (CWFLOX).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$
4 follow-up statements
897 
WHUS76 KLOX 262153
MWWLOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
153 PM PST Tue Jan 26 2021

PZZ650-270600-
/O.CAN.KLOX.SC.Y.0006.000000T0000Z-210126T2300Z/
/O.NEW.KLOX.SC.Y.0007.210127T1100Z-210129T0500Z/
East Santa Barbara Channel from Pt. Conception to Pt. Mugu CA
including Santa Cruz Island-
153 PM PST Tue Jan 26 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 AM WEDNESDAY TO 9 PM PST
THURSDAY...

* WHAT...Hazardous sea conditions.

* WHERE...East Santa Barbara Channel from Pt. Conception to Pt. 
  Mugu CA including Santa Cruz Island.

* WHEN...From 3 AM Wednesday to 9 PM PST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

* ADDITIONAL DETAILS...See the Coastal Waters Forecast (CWFLOX).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

PZZ655-270600-
/O.CAN.KLOX.SC.Y.0006.000000T0000Z-210126T2300Z/
/O.NEW.KLOX.SC.Y.0007.210127T1700Z-210129T1100Z/
Inner waters from Point Mugu to San Mateo Pt. CA including Santa
Catalina and Anacapa Islands-
153 PM PST Tue Jan 26 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM WEDNESDAY TO 3 AM PST
FRIDAY...

* WHAT...Hazardous sea conditions.

* WHERE...Inner waters from Point Mugu to San Mateo Pt. CA 
  including Santa Catalina and Anacapa Islands.

* WHEN...From 9 AM Wednesday to 3 AM PST Friday.

* IMPACTS...Conditions will be hazardous to small craft.

* ADDITIONAL DETAILS...See the Coastal Waters Forecast (CWFLOX).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

PZZ670-270600-
/O.EXT.KLOX.SC.Y.0006.000000T0000Z-210127T0900Z/
/O.UPG.KLOX.GL.W.0004.210127T0800Z-210128T1700Z/
/O.NEW.KLOX.SR.W.0001.210127T0900Z-210128T1700Z/
Point Piedras Blancas to Point Sal from 10 to 60 NM-
153 PM PST Tue Jan 26 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 AM PST WEDNESDAY...
...STORM WARNING IN EFFECT FROM 1 AM WEDNESDAY TO 9 AM PST
THURSDAY...

* WHAT...South winds 30 to 40 kt with gusts up to 55 kt and 
  combined seas 10 to 15 feet expected when conditions are worst.

* WHERE...Point Piedras Blancas to Point Sal from 10 to 60 NM.

* WHEN...For the Storm Warning, from 1 AM Wednesday to 9 AM PST 
  Thursday. For the Small Craft Advisory, until 1 AM PST 
  Wednesday.

* IMPACTS...Very strong winds will create exceptionally 
  dangerous sea conditions which could capsize or damage vessels 
  of all sizes.

* ADDITIONAL DETAILS...See the Coastal Waters Forecast (CWFLOX).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should remain in port, alter course, and/or secure the
vessel for severe conditions.

&&

$$

PZZ645-270600-
/O.EXT.KLOX.SC.Y.0006.000000T0000Z-210127T0900Z/
/O.UPG.KLOX.GL.W.0004.210127T0800Z-210128T1700Z/
/O.NEW.KLOX.SR.W.0001.210127T0900Z-210128T1700Z/
Point Piedras Blancas to Point Sal westward out to 10 NM-
153 PM PST Tue Jan 26 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 AM PST WEDNESDAY...
...STORM WARNING IN EFFECT FROM 1 AM WEDNESDAY TO 9 AM PST
THURSDAY...

* WHAT...South winds 30 to 40 kt with gusts up to 55 kt and 
  combined seas 10 to 15 feet expected when conditions are worst.

* WHERE...Point Piedras Blancas to Point Sal westward out to 10 
  NM.

* WHEN...For the Storm Warning, from 1 AM Wednesday to 9 AM PST 
  Thursday. For the Small Craft Advisory, until 1 AM PST 
  Wednesday.

* IMPACTS...Very strong winds will create exceptionally 
  dangerous sea conditions which could capsize or damage vessels 
  of all sizes.

* ADDITIONAL DETAILS...See the Coastal Waters Forecast (CWFLOX).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should remain in port, alter course, and/or secure the
vessel for severe conditions.

&&

$$

PZZ673-270600-
/O.EXT.KLOX.SC.Y.0006.000000T0000Z-210127T0900Z/
/O.EXT.KLOX.GL.W.0004.210127T0900Z-210128T1700Z/
Waters from Pt. Sal to Santa Cruz Island CA and westward 60 nm
including San Miguel and Santa Rosa Islands-
153 PM PST Tue Jan 26 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 AM PST WEDNESDAY...
...GALE WARNING NOW IN EFFECT FROM 1 AM WEDNESDAY TO 9 AM PST
THURSDAY...

* WHAT...Southeast to south winds 25 to 35 kt with gusts to 45 
  kt and combined seas of 10 to 13 feet are expected when 
  conditions are worst.

* WHERE...Waters from Pt. Sal to Santa Cruz Island CA and 
  westward 60 nm including San Miguel and Santa Rosa Islands.

* WHEN...For the Gale Warning, from 1 AM Wednesday to 9 AM PST 
  Thursday. For the Small Craft Advisory, until 1 AM PST 
  Wednesday.

* IMPACTS...Strong winds will create dangerous sea conditions 
  which could capsize or damage small and large vessels.

* ADDITIONAL DETAILS...See the Coastal Waters Forecast (CWFLOX).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

PZZ676-270600-
/O.EXB.KLOX.SC.Y.0006.000000T0000Z-210127T2100Z/
/O.NEW.KLOX.GL.A.0003.210127T2100Z-210129T0500Z/
Outer waters from Santa Cruz Island to San Clemente Island to
60 NM offshore including San Nicolas and Santa Barbara Islands-
153 PM PST Tue Jan 26 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM PST WEDNESDAY...
...GALE WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY
EVENING...

* WHAT...Southeast winds 20 to 30 kt with gusts up to 35 kt and 
  combined seas 8 to 13 feet possible when conditions are worst.

* WHERE...Outer waters from Santa Cruz Island to San Clemente 
  Island to 60 NM offshore including San Nicolas and Santa 
  Barbara Islands.

* WHEN...For the Small Craft Advisory, until 1 PM PST Wednesday. 
  For the Gale Watch, from Wednesday afternoon through Thursday 
  evening.

* IMPACTS...Potentially strong winds may create dangerous sea 
  conditions which could capsize or damage small and large 
  vessels.

* ADDITIONAL DETAILS...See the Coastal Waters Forecast (CWFLOX).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should consider altering plans to avoid possible
hazardous conditions.  Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and combined
seas.

&&

$$

Phillips
453 
WHUS76 KLOX 270513
MWWLOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
913 PM PST Tue Jan 26 2021

PZZ673-271315-
/O.CAN.KLOX.SC.Y.0006.000000T0000Z-210127T0900Z/
/O.EXT.KLOX.GL.W.0004.210127T0513Z-210128T1700Z/
Waters from Pt. Sal to Santa Cruz Island CA and westward 60 nm
including San Miguel and Santa Rosa Islands-
913 PM PST Tue Jan 26 2021

...GALE WARNING REPLACES SMALL CRAFT ADVISORY...NOW IN EFFECT 
UNTIL 9 AM PST THURSDAY...

* WHAT...South winds 25 to 35 kt with gusts up to 45 kt and 
  combined seas 11 to 16 feet when conditions are worst.

* WHERE...Waters from Pt. Sal to Santa Cruz Island CA and 
  westward 60 nm including San Miguel and Santa Rosa Islands.

* WHEN...Until 9 AM PST Thursday.

* IMPACTS...Strong winds will create dangerous sea conditions 
  which could capsize or damage small and large vessels.

* ADDITIONAL DETAILS...See the Coastal Waters Forecast (CWFLOX).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

PZZ645-670-271315-
/O.CAN.KLOX.SC.Y.0006.000000T0000Z-210127T0900Z/
/O.EXT.KLOX.SR.W.0001.210127T0513Z-210128T1700Z/
Point Piedras Blancas to Point Sal westward out to 10 NM-
Point Piedras Blancas to Point Sal from 10 to 60 NM-
913 PM PST Tue Jan 26 2021

...STORM WARNING REPLACES SMALL CRAFT ADVISORY...NOW IN EFFECT 
UNTIL 9 AM PST THURSDAY...

* WHAT...South winds 35 to 45 kt with gusts up to 55 kt and 
  combined seas 13 to 17 feet when conditions are worst.

* WHERE...Point Piedras Blancas to Point Sal from 10 to 60 NM 
  and Point Piedras Blancas to Point Sal westward out to 10 NM.

* WHEN...Until 9 AM PST Thursday.

* IMPACTS...Very strong winds will create exceptionally 
  dangerous sea conditions which could capsize or damage vessels 
  of all sizes.

* ADDITIONAL DETAILS...See the Coastal Waters Forecast (CWFLOX).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should remain in port, alter course, and/or secure the
vessel for severe conditions.

&&

$$

PZZ676-271315-
/O.EXT.KLOX.SC.Y.0006.000000T0000Z-210127T1700Z/
/O.EXT.KLOX.GL.A.0003.210127T1700Z-210129T0500Z/
Outer waters from Santa Cruz Island to San Clemente Island to
60 NM offshore including San Nicolas and Santa Barbara Islands-
913 PM PST Tue Jan 26 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 AM PST WEDNESDAY...
...GALE WATCH NOW IN EFFECT FROM 9 AM PST WEDNESDAY THROUGH
THURSDAY EVENING...

* WHAT...Southeast winds 20 to 30 kt with gusts up to 35 kt and 
  combined seas 8 to 13 feet possible when conditions are worst.

* WHERE...Outer waters from Santa Cruz Island to San Clemente 
  Island to 60 NM offshore including San Nicolas and Santa 
  Barbara Islands.

* WHEN...For the Small Craft Advisory, until 9 AM PST Wednesday. 
  For the Gale Watch, from 9 AM PST Wednesday through Thursday 
  evening.

* IMPACTS...Potentially strong winds may create dangerous sea 
  conditions which could capsize or damage small and large 
  vessels.

* ADDITIONAL DETAILS...See the Coastal Waters Forecast (CWFLOX).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should consider altering plans to avoid possible
hazardous conditions.  Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and combined
seas.

&&

$$

PZZ650-271315-
/O.EXT.KLOX.SC.Y.0007.210127T1100Z-210128T0500Z/
/O.EXB.KLOX.GL.A.0003.210128T0500Z-210129T0500Z/
East Santa Barbara Channel from Pt. Conception to Pt. Mugu CA
including Santa Cruz Island-
913 PM PST Tue Jan 26 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 3 AM TO 9 PM PST
WEDNESDAY...
...GALE WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH THURSDAY
EVENING...

* WHAT...Southeast winds 20 to 30 kt with gusts up to 35 kt and 
  combined seas 6 to 11 feet possible when conditions are worst.

* WHERE...East Santa Barbara Channel from Pt. Conception to Pt. 
  Mugu CA including Santa Cruz Island.

* WHEN...For the Small Craft Advisory, from 3 AM to 9 PM PST 
  Wednesday. For the Gale Watch, from Wednesday evening through 
  Thursday evening.

* IMPACTS...Potentially strong winds may create dangerous sea 
  conditions which could capsize or damage small and large 
  vessels.

* ADDITIONAL DETAILS...See the Coastal Waters Forecast (CWFLOX).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should consider altering plans to avoid possible
hazardous conditions.  Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and combined
seas.

&&

$$

PZZ655-271315-
/O.CON.KLOX.SC.Y.0007.210127T1700Z-210129T1100Z/
Inner waters from Point Mugu to San Mateo Pt. CA including Santa
Catalina and Anacapa Islands-
913 PM PST Tue Jan 26 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM WEDNESDAY TO
3 AM PST FRIDAY...

* WHAT...Hazardous sea conditions.

* WHERE...Inner waters from Point Mugu to San Mateo Pt. CA 
  including Santa Catalina and Anacapa Islands.

* WHEN...From 9 AM Wednesday to 3 AM PST Friday.

* IMPACTS...Conditions will be hazardous to small craft.

* ADDITIONAL DETAILS...See the Coastal Waters Forecast (CWFLOX).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

Hall
725 
WHUS76 KLOX 271237
MWWLOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
437 AM PST Wed Jan 27 2021

PZZ676-272045-
/O.CON.KLOX.SC.Y.0006.000000T0000Z-210127T1700Z/
/O.UPG.KLOX.GL.A.0003.210127T1700Z-210129T0500Z/
/O.EXB.KLOX.GL.W.0004.210127T1700Z-210128T2300Z/
Outer waters from Santa Cruz Island to San Clemente Island to
60 NM offshore including San Nicolas and Santa Barbara Islands-
437 AM PST Wed Jan 27 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST THIS
MORNING...
...GALE WARNING IN EFFECT FROM 9 AM THIS MORNING TO 3 PM PST
THURSDAY...

* WHAT...Southeast winds 25 to 35 kt with gusts to 40 kt and
  combined seas of 12 to 15 feet are expected when conditions are
  worst.

* WHERE...Outer waters from Santa Cruz Island to San Clemente 
  Island to 60 NM offshore including San Nicolas and Santa 
  Barbara Islands.

* WHEN...For the Gale Warning, from 9 AM this morning to 3 PM 
  PST Thursday. For the Small Craft Advisory, until 9 AM PST 
  this morning.

* IMPACTS...Strong winds will create dangerous sea conditions 
  which could capsize or damage small and large vessels.

* ADDITIONAL DETAILS...See the Coastal Waters Forecast (CWFLOX).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

PZZ650-272045-
/O.EXT.KLOX.SC.Y.0007.000000T0000Z-210127T2300Z/
/O.EXB.KLOX.GL.W.0004.210127T2300Z-210129T0500Z/
/O.UPG.KLOX.GL.A.0003.210128T0500Z-210129T0500Z/
East Santa Barbara Channel from Pt. Conception to Pt. Mugu CA
including Santa Cruz Island-
437 AM PST Wed Jan 27 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 PM PST THIS
AFTERNOON...
...GALE WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO 9 PM PST
THURSDAY...

* WHAT...Southeast winds 20 to 30 kt with gusts to 40 kt and
  combined seas of 8 to 11 feet are expected when conditions are 
  worst.

* WHERE...East Santa Barbara Channel from Pt. Conception to Pt. 
  Mugu CA including Santa Cruz Island.

* WHEN...For the Gale Warning, from 3 PM this afternoon to 9 PM 
  PST Thursday. For the Small Craft Advisory, until 3 PM PST 
  this afternoon.

* IMPACTS...Strong winds will create dangerous sea conditions 
  which could capsize or damage small and large vessels.

* ADDITIONAL DETAILS...See the Coastal Waters Forecast (CWFLOX).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

PZZ673-272045-
/O.CON.KLOX.GL.W.0004.000000T0000Z-210128T1700Z/
Waters from Pt. Sal to Santa Cruz Island CA and westward 60 nm
including San Miguel and Santa Rosa Islands-
437 AM PST Wed Jan 27 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 9 AM PST THURSDAY...

* WHAT...Southeast winds 25 to 35 kt with gusts to 45 kt and
  combined seas of 14 to 17 feet are expected when conditions
  are worst. Local gusts to 50 kt are possible this afternoon
  and tonight. 

* WHERE...Waters from Pt. Sal to Santa Cruz Island CA and 
  westward 60 nm including San Miguel and Santa Rosa Islands.

* WHEN...Until 9 AM PST Thursday.

* IMPACTS...Strong winds will create dangerous sea conditions 
  which could capsize or damage small and large vessels.

* ADDITIONAL DETAILS...See the Coastal Waters Forecast (CWFLOX).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

PZZ645-670-272045-
/O.CON.KLOX.SR.W.0001.000000T0000Z-210128T1700Z/
Point Piedras Blancas to Point Sal westward out to 10 NM-
Point Piedras Blancas to Point Sal from 10 to 60 NM-
437 AM PST Wed Jan 27 2021

...STORM WARNING REMAINS IN EFFECT UNTIL 9 AM PST THURSDAY...

* WHAT...South winds 30 to 40 kt with gusts to 50 kt and 
  combined seas of 14 to 18 feet are expected when
  conditions are worst.

* WHERE...Point Piedras Blancas to Point Sal from 10 to 60 NM 
  and Point Piedras Blancas to Point Sal westward out to 10 NM.

* WHEN...Until 9 AM PST Thursday.

* IMPACTS...Very strong winds will create exceptionally 
  dangerous sea conditions which could capsize or damage vessels 
  of all sizes.

* ADDITIONAL DETAILS...See the Coastal Waters Forecast (CWFLOX).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should remain in port, alter course, and/or secure the
vessel for severe conditions.

&&

$$

PZZ655-272045-
/O.CON.KLOX.SC.Y.0007.210127T1700Z-210129T1100Z/
Inner waters from Point Mugu to San Mateo Pt. CA including Santa
Catalina and Anacapa Islands-
437 AM PST Wed Jan 27 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING
TO 3 AM PST FRIDAY...

* WHAT...Hazardous wind and sea conditions.

* WHERE...Inner waters from Point Mugu to San Mateo Pt. CA 
  including Santa Catalina and Anacapa Islands.

* WHEN...From 9 AM this morning to 3 AM PST Friday.

* IMPACTS...Conditions will be hazardous to small craft.

* ADDITIONAL DETAILS...See the Coastal Waters Forecast (CWFLOX).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$
539 
WHUS76 KLOX 271710
MWWLOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
910 AM PST Wed Jan 27 2021

PZZ676-280115-
/O.EXP.KLOX.SC.Y.0006.000000T0000Z-210127T1700Z/
/O.CON.KLOX.GL.W.0004.000000T0000Z-210128T2300Z/
Outer waters from Santa Cruz Island to San Clemente Island to
60 NM offshore including San Nicolas and Santa Barbara Islands-
910 AM PST Wed Jan 27 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 3 PM PST THURSDAY...
...SMALL CRAFT ADVISORY HAS EXPIRED...

* WHAT...Southeast winds 20 to 30 kt with gusts up to 40 kt and 
  combined seas 7 to 12 feet when conditions are worst.

* WHERE...Outer waters from Santa Cruz Island to San Clemente 
  Island to 60 NM offshore including San Nicolas and Santa 
  Barbara Islands.

* WHEN...Until 3 PM PST Thursday.

* IMPACTS...Strong winds will create dangerous sea conditions 
  which could capsize or damage small and large vessels.

* ADDITIONAL DETAILS...See the Coastal Waters Forecast (CWFLOX).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

PZZ650-280115-
/O.CON.KLOX.SC.Y.0007.000000T0000Z-210127T2300Z/
/O.CON.KLOX.GL.W.0004.210127T2300Z-210129T0500Z/
East Santa Barbara Channel from Pt. Conception to Pt. Mugu CA
including Santa Cruz Island-
910 AM PST Wed Jan 27 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS
AFTERNOON...
...GALE WARNING REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO
9 PM PST THURSDAY...

* WHAT...Southeast winds 20 to 30 kt with gusts up to 40 kt and 
  combined seas 5 to 8 feet expected when conditions are worst.

* WHERE...East Santa Barbara Channel from Pt. Conception to Pt. 
  Mugu CA including Santa Cruz Island.

* WHEN...For the Gale Warning, from 3 PM this afternoon to 9 PM 
  PST Thursday. For the Small Craft Advisory, until 3 PM PST 
  this afternoon.

* IMPACTS...Strong winds will create dangerous sea conditions 
  which could capsize or damage small and large vessels.

* ADDITIONAL DETAILS...See the Coastal Waters Forecast (CWFLOX).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

PZZ673-280115-
/O.CON.KLOX.GL.W.0004.000000T0000Z-210128T1700Z/
Waters from Pt. Sal to Santa Cruz Island CA and westward 60 nm
including San Miguel and Santa Rosa Islands-
910 AM PST Wed Jan 27 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 9 AM PST THURSDAY...

* WHAT...Southeast winds 25 to 35 kt with gusts up to 45 kt and 
  combined seas 10 to 14 feet when conditions are worst.

* WHERE...Waters from Pt. Sal to Santa Cruz Island CA and 
  westward 60 nm including San Miguel and Santa Rosa Islands.

* WHEN...Until 9 AM PST Thursday.

* IMPACTS...Strong winds will create dangerous sea conditions 
  which could capsize or damage small and large vessels.

* ADDITIONAL DETAILS...See the Coastal Waters Forecast (CWFLOX).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

PZZ645-670-280115-
/O.CON.KLOX.SR.W.0001.000000T0000Z-210128T1700Z/
Point Piedras Blancas to Point Sal westward out to 10 NM-
Point Piedras Blancas to Point Sal from 10 to 60 NM-
910 AM PST Wed Jan 27 2021

...STORM WARNING REMAINS IN EFFECT UNTIL 9 AM PST THURSDAY...

* WHAT...South winds 30 to 40 kt with gusts up to 50 kt and 
  combined seas 11 to 14 feet when conditions are worst.

* WHERE...Point Piedras Blancas to Point Sal from 10 to 60 NM 
  and Point Piedras Blancas to Point Sal westward out to 10 NM.

* WHEN...Until 9 AM PST Thursday.

* IMPACTS...Very strong winds will create exceptionally 
  dangerous sea conditions which could capsize or damage vessels 
  of all sizes.

* ADDITIONAL DETAILS...See the Coastal Waters Forecast (CWFLOX).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should remain in port, alter course, and/or secure the
vessel for severe conditions.

&&

$$

PZZ655-280115-
/O.CON.KLOX.SC.Y.0007.000000T0000Z-210129T1100Z/
Inner waters from Point Mugu to San Mateo Pt. CA including Santa
Catalina and Anacapa Islands-
910 AM PST Wed Jan 27 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST FRIDAY...

* WHAT...Hazardous sea conditions.

* WHERE...Inner waters from Point Mugu to San Mateo Pt. CA 
  including Santa Catalina and Anacapa Islands.

* WHEN...Until 3 AM PST Friday.

* IMPACTS...Conditions will be hazardous to small craft.

* ADDITIONAL DETAILS...See the Coastal Waters Forecast (CWFLOX).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

What forecasters said that day

The local office's own words before this small craft advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Los Angeles, CA wrote its last area forecast discussion before this small craft advisory went out at Jan 26, 4:50 AM PST, 31 minutes earlier.

Area forecast discussion, Jan 26, 4:50 AM PST, 31 minutes before
Area Forecast Discussion
National Weather Service Los Angeles/Oxnard CA
450 AM PST Tue Jan 26 2021

.SYNOPSIS...26/321 AM.

Drier and mostly sunny conditions are forecast for today, then a
much wetter storm system will stall over San Luis Obispo and Santa
Barbara Counties Wednesday and Thursday, before sagging south
across Ventura and Los Angeles Counties Thursday or Thursday night
and Friday. Several inches of rain are likely with feet of high
elevation mountain snow, along with moderate to strong southwest
winds. Much quieter weather expected over the weekend into early
Monday.

&&

.SHORT TERM (TDY-THU)...26/321 AM.

Latest radar imagery indicated widely scattered showers racing
down the coastal waters just clipping the very western portion
of Point Conception. Showers should remain off the Central Coast
through this morning then dissipate this afternoon. Skies overall
will be mostly sunny today except for some clouds lingering across
the L.A. County Mtns and northern slopes of the Ventura County
Mtns through this morning. The Winter Storm Warning has been
cancelled as snowfall was not a factor. However there will
continue to be dangerous icy conditions across mountain roadways
and Highways. The I-5 Corridor has been closed due to the icy
conditions through the Tejon Pass. Locally gusty northerly winds
will continue through this morning across the Mountains and
Antelope Valley and some interior locations across SLO/SBA
Counties, but should remain below advisory levels. Will likely
cancel most wind advisories with the morning package except will
leave Catalina Island under a wind advisory through this morning
as gusts over 40 mph continue. A High Wind Watch will be issued
for possible damaging southerly winds with gusts exceeding 60 mph
for the San Luis Obispo Mountains from 3 AM Wednesday through
Thursday at 9 AM. Also, a Winter Storm Watch will be issued for
the Santa Barbara County Mountains, mainly for the potentially
damaging wind gusts over 60 mph, but 3-5 inches of snowfall
between midnight tonight through Wednesay afternoon is possible.
Snow levels will start to rise high enough not to effect Santa
Barbara County Mtns after that until the front moves through
THursday night into Friday.

In some of the wind protected LA/Ventura valleys this morning,
low temperatures will fall to between 32 and 35 degrees causing
areas of frost. Frost Advisories are in effect for the Ventura and
L.A. County Valleys this morning.

Enjoy the Sun today as weak high pressure builds in between
storm systems. High temperatures will bounce back a few degrees
today but remain well below normal for this time of year. Skies
will start to cloud up late this afternoon to the north, then
across the entire forecast area this evening.

A 513 DM Low sitting off the PAC NW today and broad upper trough
will tap into some moist subtropical flow aimed towards San Luis
Obispo County initially tonight and will persist over the area
with little southward movement in the form of an Atmospheric
River through Wednesday night. There will be some warm-frontal
precip affecting a good portion of SBA and Ventura Counties
through the same period. Model ensembles continue to keep the
bulk of the moisture across SLO/SBA Counties through Thursday with
less in the way across Ventura and L.A. Counties. The latest
high-res NAM-WRF is picking up on some of the warm frontal precip
getting south into L.A. County. At this time, based on the
consistency on recent model runs, confidence remains high that
there will be at least 2 days of persistent heavy rain for San
Luis Obispo County, and likely across Santa Barbara County as
well. There is a decent chance that Ventura County will at least
see several hours of rain during this period, but being just south
of the heaviest rainfall boundary, rain amounts should be quite a
bit less through Thursday, especially for L.A. County where
rainfall totals through Thursday will be quite light.

By Thursday evening through Friday, Los Angeles and Ventura
County will definitely see rain, and heavy at times. Models remain
in fairly good agreement that the Atmospheric River plume will
hold together as the moist plume moves across the lower two
counties. Rain should taper off to showers by Friday afternoon
with lingering light showers through Friday evening.

No major changes to the rainfall expected based on latest models
runs, except L.A. County Mtns looks more like a max of 4 inches in
the mountains. San Luis Obispo and Santa Barbara Counties are
still in store for copious amounts of rain. Through Friday, expect
3 to 6 inches, with 8 to 10 inches possible in the foothills
especially near the Santa Lucia Range. For Los Angeles and Ventura
Counties, 1 to 2 inches are expected, with 2 to 4 inches in the
foothills and mountains. With these types of amounts, expect peak
rain rates between 0.50 and 0.75 inches per hour, which can result
in debris flows near recent burn areas. A Flash Flood Watch will
be considered. While the chance is not high enough yet to mention,
there is a very small chance of thunderstorms by Friday as some
cooler aloft pushes in north of the frontal boundary, especially
on the Central Coast. Otherwise, expect a lot of roadway and small
creek flooding. Snow levels will be much higher than our current
event, with most of the precipitation in the 5000 to 6000 foot
range. Mountains above 6000 feet should expect several feet of
snow, depending on how long they are in the moisture plume. Winter
Storm Watch/Warnings will likely be issued for Ventura/L.A.
Counties later this week. As mentioned early, a Winter Storm Watch
is in effect for the Santa Barbara County Mtns from late this
evening through Wednesday afternoon. Periods of very gusty and
potentially damaging south winds are also expected, especially on
Wednesday over San Luis Obispo and Santa Barbara Counties, with
gusts between 40 and 60 mph expected (even near the coast).

.LONG TERM (FRI-MON)...26/449 AM.

Kept the Friday portion of the discussion with the short term
discussion since it was part of the significant storm system.
But to recap, heavy rain that is expected to affect Ventura and
L.A. Counties Thursday night into Friday morning, will start to
taper off to showers in the afternoon and evening. Saturday and
Sunday look to have fair skies with a few degrees of warming
each day through the weekend. The EC model is showing a weak front
brushing across the northern portion of the forecast area on
Monday which could bring light precip to SLO County, while the
GFS keeps any moisture in northern California. Another chance of
rain is possible later in the week. Temperatures are expected to
remain below average through the extended period (Fri-Mon)

&&

.AVIATION...26/0003Z.

At 23Z at KLAX, there was no marine layer nor an inversion.

Overall, moderate confidence in TAFs with higher confidence in
flight category and less confidence in wind speeds. VFR conditions
are likely to continue through the period with passing scattered
showers. There is a 20-30% chance of a quick shower mainly for
sites north of Point Conception through the evening, before
tapering off after midnight. If a shower does develop, conditions
will likely briefly drop to MVFR, or IFR for a heavier shower. As
for winds, gusty west to northwest winds will likely continue
through early to mid- evening, then start to diminish overnight.
Wind speeds may be off by up to 10 kt and timing may be off by an
hour or two. Areas if moderate to possibly severe turbulence are
possible through the evening.

KLAX...Moderate confidence in TAF. There is a 20% chance of
showers through the evening. If a shower does develop, MVFR to
possibly IFR cigs are possible. Otherwise good confidence in VFR
conditions. Gusty west winds will likely continue through the
evening, then start to taper off after midnight. Good confidence
in no east wind component.

KBUR...Moderate confidence in TAF. There is a 20% chance of
showers through the evening. If a shower does develop, MVFR to
possibly IFR cigs are possible. Otherwise good confidence in VFR
conditions. Gusty northwest winds will likely continue through the
evening, then start to taper off after midnight, and areas of
turbulence are likely.

&&

.MARINE...25/826 PM.

***Very dangerous wind and sea conditions across the entire
coastal waters through early Tuesday***

Widespread Gale force winds will continue to affect the entire
coastal waters through this evening before tapering off overnight
into Tuesday morning. Winds will likely gust up to 40 kt, but
some local areas may gust in excess of 50 kt through the evening.
The Gale Warning will expire at 9am, but there is a chance that
winds may diminish faster by around dawn. There will likely be SCA
level winds Tuesday morning before diminishing below SCA level by
the afternoon.

In addition to gusty winds, dangerous seas will also remain an
issue through Tuesday. Seas of 15 to 20 feet are likely through
this evening across the waters north of Point Conception and
southwest of the Channel Islands. Seas of 10 to 16 feet are likely
through tonight for the waters inside the Southern California
Bight. Seas will begin decreasing Tuesday before rising again
Wednesday.

The decrease in winds will be short-lived on Tuesday as the next
major storm system will be making its approach Tuesday night.
Winds will shift to the south on Tuesday evening and strengthen
to at least SCA level after midnight spreading from north to
south. There will likely be another round of Gales across the
waters from the Channel Islands northward, with a 50% chance
for the Santa Barbara Channel starting during the early morning
hours on Wednesday through much of Thursday. Models are indicating
lighter winds across the waters adjacent to LA and Orange Counties
due to the fact that the storm will likely stall across the
Central Coast. Then by Thursday night winds will increase to SCA
level. So the forecast for these waters has much lower confidence
because this forecast track may change with future model runs.

&&

.BEACHES...25/843 PM.

Surf will peak at 14 to 18 feet with local sets to 20 feet
on the Central Coast through tonight. On west facing beaches
south of Point Conception, surf will peak at 8 to 12 feet with
local sets to 14 feet through early Tuesday. Surf will slowly
subside on Tuesday before increasing again Wednesday.

There may be minor coastal flooding through Tuesday morning,
especially within a few hours of the times of high tide and again
Thursday. There will be strong and dangerous rip currents on all
area beaches through Tuesday. The surf will likely cause some
beach erosion.

&&

.LOX WATCHES/WARNINGS/ADVISORIES...
CA...High Surf Advisory in effect until 10 PM PST this evening for
      zones 34-35. (See LAXCFWLOX).
     High Surf Advisory in effect until 6 PM PST this evening for
      zones 39>41-87. (See LAXCFWLOX).
     Frost Advisory in effect until 9 AM PST this morning for
      zones 44-45-88-547. (See LAXNPWLOX).
     High Wind Watch in effect from late tonight through Thursday
      morning for zone 51. (See LAXNPWLOX).
     Winter Storm Watch in effect from late tonight through
      Wednesday afternoon for zone 52. (See LAXWSWLOX).
     Wind Advisory in effect until noon PST today for zone 87. (See LAXNPWLOX).
PZ...Small Craft Advisory in effect until midnight PST tonight for
      zones 645-670-673. (See LAXMWWLOX).
     Gale Warning in effect from midnight tonight to 9 AM PST
      Thursday for zones 645-670-673. (See LAXMWWLOX).
     Small Craft Advisory in effect until 3 PM PST this afternoon
      for zone 650. (See LAXMWWLOX).
     Gale Warning in effect until 9 AM PST this morning for zones
      655-676. (See LAXMWWLOX).

&&

.HAZARD POTENTIAL OUTLOOK (THU-MON).

Multiple days of steady moderate to heavy rainfall and mountain
snow is likely Wednesday through Friday. Rainfall intensities
could result in debris flow issues for the recent burn areas. Feet
of mountain snow may result in high mountain road closure. Gusty
southerly winds could result in downed limbs, trees and power
lines.

&&

PUBLIC...Kaplan
AVIATION...Stewart
MARINE...Phillips/Stewart
BEACHES...Phillips/Stewart
SYNOPSIS...Kaplan

weather.gov/losangeles

The office that day

Everything else NWS Los Angeles, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 26, 3:33 AM PSTHigh Wind WatchLOX11 hr
Jan 26, 3:36 AM PSTWinter Storm WatchLOX11 hr
Jan 26, 5:21 AM PSTGale WarningLOX57 hr
Jan 26, 1:53 PM PSTGale WatchLOX15 hr
Jan 26, 1:53 PM PSTSmall Craft AdvisoryLOX3 days
Jan 26, 1:53 PM PSTStorm WarningLOX37 hr
Jan 26, 2:10 PM PSTCoastal Flood AdvisoryLOX46 hr
Jan 26, 2:18 PM PSTHigh Wind WarningLOXSanta Barbara43 hr
Jan 26, 2:18 PM PSTWind AdvisoryLOXSanta Barbara52 hr
Jan 26, 2:20 PM PSTWinter Storm WatchLOX23 hr
Jan 26, 2:20 PM PSTWinter Storm WarningLOX3 days
Jan 26, 2:21 PM PSTFlash Flood WatchLOXLos Angeles62 hr

Nearby

Small Craft Advisories in California, 2021Every small craft advisory in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.