Alert archive / California / Small Craft Advisories in 2021

Small Craft Advisory 133, NWS Eureka, CA

December 10, 2021

NWS Eureka, CA issued this small craft advisory at Dec 10, 2021, 3:03 AM PST. It took effect at Dec 11, 2021, 9:00 AM PST. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Dec 10, 2021, 3:03 AM PST (11:03 UTC)
In effect from
Dec 11, 2021, 9:00 AM PST
Expired
Dec 11, 2021, 3:00 PM PST
In force
6 hr
Issued by
NWS Eureka, CA

The text

As transmitted.

082 
WHUS76 KEKA 101103
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
303 AM PST Fri Dec 10 2021

PZZ450-101915-
/O.CON.KEKA.SC.Y.0132.000000T0000Z-211210T2300Z/
/O.UPG.KEKA.GL.A.0043.211211T1700Z-211212T0500Z/
/O.NEW.KEKA.GL.W.0055.211211T1400Z-211212T0500Z/
Pt St George to Cape Mendocino out 10 nm-
303 AM PST Fri Dec 10 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS
AFTERNOON...
...GALE WARNING IN EFFECT FROM 6 AM TO 9 PM PST SATURDAY...

* WHAT...For the Gale Warning, south winds 25 to 35 kt with gusts
  up to 45 kt and building seas 8 to 13 feet expected. For the 
  Small Craft Advisory, seas 8 to 10 feet.

* WHERE...Pt St George to Cape Mendocino out 10 nm.

* WHEN...For the Gale Warning, from 6 AM to 9 PM PST Saturday. 
  For the Small Craft Advisory, until 3 PM PST this afternoon.

* IMPACTS...Strong winds will cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.


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.

&&

$$

PZZ470-101915-
/O.CON.KEKA.SC.Y.0132.000000T0000Z-211211T0200Z/
/O.UPG.KEKA.GL.A.0043.211211T1700Z-211212T0500Z/
/O.NEW.KEKA.GL.W.0055.211211T1400Z-211212T0500Z/
Pt St George to Cape Mendocino 10 to 60 nm-
303 AM PST Fri Dec 10 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS
EVENING...
...GALE WARNING IN EFFECT FROM 6 AM TO 9 PM PST SATURDAY...

* WHAT...For the Gale Warning, south winds 25 to 35 kt with gusts
  up to 45 kt and building seas 10 to 15 feet expected. For the 
  Small Craft Advisory, seas 9 to 11 feet.

* WHERE...Pt St George to Cape Mendocino 10 to 60 nm.

* WHEN...For the Gale Warning, from 6 AM to 9 PM PST Saturday. 
  For the Small Craft Advisory, until 6 PM PST this evening.

* IMPACTS...Strong winds will cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.


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.

&&

$$

PZZ455-101915-
/O.CON.KEKA.SC.Y.0132.000000T0000Z-211210T2300Z/
/O.NEW.KEKA.SC.Y.0133.211211T1700Z-211213T0500Z/
Cape Mendocino to Pt Arena out 10 nm-
303 AM PST Fri Dec 10 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS
AFTERNOON...
...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM SATURDAY TO 9 PM PST
SUNDAY...

* WHAT...For the first Small Craft Advisory, north winds 10 to 20
  kt with gusts up to 25 kt and seas 8 to 10 feet. For the second
  Small Craft Advisory, south winds 20 to 30 kt with local gusts
  up to 35 kt and building seas 10 to 14 feet expected.

* WHERE...Cape Mendocino to Pt Arena out 10 nm.

* WHEN...For the Small Craft Advisory, until 3 PM PST this 
  afternoon. For the Small Craft Advisory, from 9 AM Saturday to 
  9 PM PST Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ475-101915-
/O.CON.KEKA.SC.Y.0132.000000T0000Z-211211T0200Z/
/O.NEW.KEKA.SC.Y.0133.211211T1700Z-211213T0500Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
303 AM PST Fri Dec 10 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS
EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM SATURDAY TO 9 PM PST
SUNDAY...

* WHAT...For the first Small Craft Advisory, north winds 10 to 20
  kt with gusts up to 25 kt and seas 9 to 11 feet. For the second
  Small Craft Advisory, southwest winds 20 to 30 kt with local gusts
  up to 35 kt and building seas 11 to 15 feet expected.

* WHERE...Cape Mendocino to Pt Arena 10 to 60 nm.

* WHEN...For the Small Craft Advisory, until 6 PM PST this 
  evening. For the Small Craft Advisory, from 9 AM Saturday to 9 
  PM PST Sunday.

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


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
9 follow-up statements
821 
WHUS76 KEKA 101625
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
825 AM PST Fri Dec 10 2021

PZZ450-110030-
/O.CON.KEKA.SC.Y.0132.000000T0000Z-211210T2300Z/
/O.CON.KEKA.GL.W.0055.211211T1400Z-211212T0500Z/
Pt St George to Cape Mendocino out 10 nm-
825 AM PST Fri Dec 10 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS
AFTERNOON...
...GALE WARNING REMAINS IN EFFECT FROM 6 AM TO 9 PM PST
SATURDAY...

* WHAT...For the Gale Warning, south winds 25 to 35 kt with 
  gusts up to 45 kt and seas 8 to 13 feet expected. For the 
  Small Craft Advisory, seas 8 to 10 feet.

* WHERE...Pt St George to Cape Mendocino out 10 nm.

* WHEN...For the Gale Warning, from 6 AM to 9 PM PST Saturday. 
  For the Small Craft Advisory, until 3 PM PST this afternoon.

* IMPACTS...Strong winds will cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

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.

&&

$$

PZZ470-110030-
/O.CON.KEKA.SC.Y.0132.000000T0000Z-211211T0200Z/
/O.CON.KEKA.GL.W.0055.211211T1400Z-211212T0500Z/
Pt St George to Cape Mendocino 10 to 60 nm-
825 AM PST Fri Dec 10 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS
EVENING...
...GALE WARNING REMAINS IN EFFECT FROM 6 AM TO 9 PM PST
SATURDAY...

* WHAT...For the Gale Warning, south winds 25 to 35 kt with 
  gusts up to 45 kt and seas 10 to 15 feet expected. For the 
  Small Craft Advisory, seas 9 to 11 feet.

* WHERE...Pt St George to Cape Mendocino 10 to 60 nm.

* WHEN...For the Gale Warning, from 6 AM to 9 PM PST Saturday. 
  For the Small Craft Advisory, until 6 PM PST this evening.

* IMPACTS...Strong winds will cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

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.

&&

$$

PZZ455-110030-
/O.CON.KEKA.SC.Y.0132.000000T0000Z-211210T2300Z/
/O.CON.KEKA.SC.Y.0133.211211T1700Z-211213T0500Z/
Cape Mendocino to Pt Arena out 10 nm-
825 AM PST Fri Dec 10 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS
AFTERNOON...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM SATURDAY TO
9 PM PST SUNDAY...

* WHAT...For the first Small Craft Advisory, northwest winds 10 
  to 20 kt with gusts up to 25 kt and seas 8 to 10 feet. For the 
  second Small Craft Advisory, south winds 20 to 30 kt with 
  gusts up to 40 kt and seas 10 to 15 feet expected.

* WHERE...Cape Mendocino to Pt Arena out 10 nm.

* WHEN...For the Small Craft Advisory, until 3 PM PST this 
  afternoon. For the Small Craft Advisory, from 9 AM Saturday to 
  9 PM PST Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ475-110030-
/O.CON.KEKA.SC.Y.0132.000000T0000Z-211211T0200Z/
/O.CON.KEKA.SC.Y.0133.211211T1700Z-211213T0500Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
825 AM PST Fri Dec 10 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS
EVENING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM SATURDAY TO
9 PM PST SUNDAY...

* WHAT...For the first Small Craft Advisory, northwest winds 5 
  to 15 kt with gusts up to 25 kt and seas 9 to 11 feet. For the 
  second Small Craft Advisory, southwest winds 20 to 30 kt with 
  gusts up to 35 kt and seas 11 to 16 feet expected.

* WHERE...Cape Mendocino to Pt Arena 10 to 60 nm.

* WHEN...For the Small Craft Advisory, until 6 PM PST this 
  evening. For the Small Craft Advisory, from 9 AM Saturday to 9 
  PM PST Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
313 
WHUS76 KEKA 102300
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
300 PM PST Fri Dec 10 2021

PZZ450-470-110700-
/O.EXT.KEKA.SC.Y.0132.000000T0000Z-211211T0500Z/
/O.CON.KEKA.GL.W.0055.211211T1400Z-211212T0500Z/
Pt St George to Cape Mendocino out 10 nm-
Pt St George to Cape Mendocino 10 to 60 nm-
300 PM PST Fri Dec 10 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 PM PST THIS
EVENING...
...GALE WARNING REMAINS IN EFFECT FROM 6 AM TO 9 PM PST
SATURDAY...

* WHAT...For the Gale Warning, south winds 30 to 40 kt with 
  gusts up to 45 kt and seas 10 to 15 feet expected. For the 
  Small Craft Advisory, seas around 9 feet.

* WHERE...Pt St George to Cape Mendocino out 10 nm and Pt St 
  George to Cape Mendocino 10 to 60 nm.

* WHEN...For the Gale Warning, from 6 AM to 9 PM PST Saturday. 
  For the Small Craft Advisory, until 9 PM PST this evening.

* IMPACTS...Strong winds will cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

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.

&&

$$

PZZ455-475-110700-
/O.EXT.KEKA.SC.Y.0132.000000T0000Z-211211T0500Z/
/O.EXT.KEKA.SC.Y.0133.211211T1700Z-211211T2300Z/
/O.NEW.KEKA.GL.A.0044.211211T2300Z-211212T1100Z/
Cape Mendocino to Pt Arena out 10 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
300 PM PST Fri Dec 10 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 PM PST THIS
EVENING...
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 9 AM TO 3 PM PST
SATURDAY...
...GALE WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH LATE
SATURDAY NIGHT...

* WHAT...For the first Small Craft Advisory, seas 8 to 9 feet. 
  For the second Small Craft Advisory, south winds 20 to 30 kt 
  with gusts up to 35 kt and seas 7 to 9 feet expected. For the 
  Gale Watch, south winds 20 to 30 kt with gusts up to 40 kt and 
  seas 7 to 12 feet possible.

* WHERE...Cape Mendocino to Pt Arena out 10 nm and Cape 
  Mendocino to Pt Arena 10 to 60 nm.

* WHEN...For the Small Craft Advisory, until 9 PM PST this 
  evening. For the Small Craft Advisory, from 9 AM to 3 PM PST 
  Saturday. For the Gale Watch, from Saturday afternoon through 
  late Saturday night.

* IMPACTS...Strong winds can cause hazardous seas which could
  capsize or damage vessels and reduce visibility.

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 seas.

&&

$$
313 
WHUS76 KEKA 110246
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
646 PM PST Fri Dec 10 2021

PZZ450-470-111100-
/O.EXT.KEKA.SC.Y.0132.000000T0000Z-211211T1400Z/
/O.CON.KEKA.GL.W.0055.211211T1400Z-211212T0500Z/
Pt St George to Cape Mendocino out 10 nm-
Pt St George to Cape Mendocino 10 to 60 nm-
646 PM PST Fri Dec 10 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 AM PST SATURDAY...
...GALE WARNING REMAINS IN EFFECT FROM 6 AM TO 9 PM PST
SATURDAY...

* WHAT...For the Gale Warning, south winds 30 to 40 kt with 
  gusts up to 45 kt and seas 10 to 15 feet expected. For the 
  Small Craft Advisory, south winds 15 to 25 kt with gusts up to 
  30 kt and seas 7 to 9 feet.

* WHERE...Pt St George to Cape Mendocino out 10 nm and Pt St 
  George to Cape Mendocino 10 to 60 nm.

* WHEN...For the Gale Warning, from 6 AM to 9 PM PST Saturday. 
  For the Small Craft Advisory, until 6 AM PST Saturday.

* IMPACTS...Strong winds will cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

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.

&&

$$

PZZ455-475-111100-
/O.CON.KEKA.SC.Y.0132.000000T0000Z-211211T0500Z/
/O.CON.KEKA.SC.Y.0133.211211T1700Z-211211T2300Z/
/O.CON.KEKA.GL.A.0044.211211T2300Z-211212T1100Z/
Cape Mendocino to Pt Arena out 10 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
646 PM PST Fri Dec 10 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PST THIS
EVENING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM TO 3 PM PST
SATURDAY...
...GALE WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON THROUGH
LATE SATURDAY NIGHT...

* WHAT...For the first Small Craft Advisory, seas 8 to 9 feet. 
  For the second Small Craft Advisory, south winds 20 to 30 kt 
  with gusts up to 35 kt and seas 7 to 9 feet expected. For the 
  Gale Watch, south winds 20 to 30 kt with gusts up to 40 kt and 
  seas 7 to 12 feet possible.

* WHERE...Cape Mendocino to Pt Arena out 10 nm and Cape 
  Mendocino to Pt Arena 10 to 60 nm.

* WHEN...For the Small Craft Advisory, until 9 PM PST this 
  evening. For the Small Craft Advisory, from 9 AM to 3 PM PST 
  Saturday. For the Gale Watch, from Saturday afternoon through 
  late Saturday night.

* IMPACTS...Strong winds can cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

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 seas.

&&

$$
223 
WHUS76 KEKA 110301
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
701 PM PST Fri Dec 10 2021

PZZ455-475-111115-
/O.CON.KEKA.SC.Y.0132.000000T0000Z-211211T0500Z/
/O.CON.KEKA.SC.Y.0133.211211T1700Z-211211T2300Z/
/O.UPG.KEKA.GL.A.0044.211211T2300Z-211212T1100Z/
/O.EXB.KEKA.GL.W.0055.211211T2300Z-211212T0700Z/
Cape Mendocino to Pt Arena out 10 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
701 PM PST Fri Dec 10 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PST THIS
EVENING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM TO 3 PM PST
SATURDAY...
...GALE WARNING IN EFFECT FROM 3 PM TO 11 PM PST SATURDAY...

* WHAT...For the Gale Warning, south winds 20 to 30 kt with 
  gusts up to 40 kt and seas 7 to 11 feet expected. For the 
  first Small Craft Advisory, seas 8 to 9 feet. For the second 
  Small Craft Advisory, south winds 20 to 30 kt with gusts up to 
  40 kt and seas 7 to 9 feet expected.

* WHERE...Cape Mendocino to Pt Arena out 10 nm and Cape 
  Mendocino to Pt Arena 10 to 60 nm.

* WHEN...For the Gale Warning, from 3 PM to 11 PM PST Saturday. 
  For the Small Craft Advisory, until 9 PM PST this evening. For 
  the Small Craft Advisory, from 9 AM to 3 PM PST Saturday.

* IMPACTS...Strong winds will cause hazardous seas which could
  capsize or damage vessels and reduce visibility.

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.

&&

$$

PZZ450-470-111115-
/O.CON.KEKA.SC.Y.0132.000000T0000Z-211211T1400Z/
/O.CON.KEKA.GL.W.0055.211211T1400Z-211212T0500Z/
Pt St George to Cape Mendocino out 10 nm-
Pt St George to Cape Mendocino 10 to 60 nm-
701 PM PST Fri Dec 10 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM PST
SATURDAY...
...GALE WARNING REMAINS IN EFFECT FROM 6 AM TO 9 PM PST
SATURDAY...

* WHAT...For the Gale Warning, south winds 30 to 40 kt with 
  gusts up to 45 kt and seas 10 to 15 feet expected. For the 
  Small Craft Advisory, south winds 15 to 25 kt with gusts up to 
  30 kt and seas 7 to 9 feet.

* WHERE...Pt St George to Cape Mendocino out 10 nm and Pt St 
  George to Cape Mendocino 10 to 60 nm.

* WHEN...For the Gale Warning, from 6 AM to 9 PM PST Saturday. 
  For the Small Craft Advisory, until 6 AM PST Saturday.

* IMPACTS...Strong winds will cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

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.

&&

$$
781 
WHUS76 KEKA 110416
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
816 PM PST Fri Dec 10 2021

PZZ455-475-111230-
/O.CON.KEKA.SC.Y.0132.000000T0000Z-211211T0500Z/
/O.CON.KEKA.SC.Y.0133.211211T1700Z-211211T2300Z/
/O.CON.KEKA.GL.W.0055.211211T2300Z-211212T0700Z/
Cape Mendocino to Pt Arena out 10 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
816 PM PST Fri Dec 10 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM TO 3 PM PST 
SATURDAY... 
...GALE WARNING REMAINS IN EFFECT FROM 3 PM TO 11 PM PST 
SATURDAY...

* WHAT...For the Gale Warning, south winds 20 to 30 kt with gusts
  up to 40 kt and seas 7 to 11 feet expected. For the Small Craft
  Advisory, south winds 20 to 30 kt with gusts up to 35 kt and 
  seas 7 to 9 feet expected.

* WHERE...Cape Mendocino to Pt Arena out 10 nm and Cape 
  Mendocino to Pt Arena 10 to 60 nm.

* WHEN...For the Gale Warning, from 3 PM to 11 PM PST Saturday. For
  the Small Craft Advisory, from 9 AM to 3 PM PST Saturday.

* IMPACTS...Strong winds will cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

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.

&&

$$

PZZ450-470-111230-
/O.CON.KEKA.SC.Y.0132.000000T0000Z-211211T1400Z/
/O.CON.KEKA.GL.W.0055.211211T1400Z-211212T0500Z/
Pt St George to Cape Mendocino out 10 nm-
Pt St George to Cape Mendocino 10 to 60 nm-
816 PM PST Fri Dec 10 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM PST
SATURDAY...
...GALE WARNING REMAINS IN EFFECT FROM 6 AM TO 9 PM PST
SATURDAY...

* WHAT...For the Gale Warning, south winds 30 to 40 kt with 
  gusts up to 45 kt and seas 10 to 15 feet expected. For the 
  Small Craft Advisory, south winds 15 to 25 kt with gusts up to 
  35 kt and seas 7 to 10 feet.

* WHERE...Pt St George to Cape Mendocino out 10 nm and Pt St 
  George to Cape Mendocino 10 to 60 nm.

* WHEN...For the Gale Warning, from 6 AM to 9 PM PST Saturday. 
  For the Small Craft Advisory, until 6 AM PST Saturday.

* IMPACTS...Strong winds will cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

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.

&&

$$
718 
WHUS76 KEKA 110500
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
900 PM PST Fri Dec 10 2021

PZZ455-475-111300-
/O.EXP.KEKA.SC.Y.0132.000000T0000Z-211211T0500Z/
/O.CON.KEKA.SC.Y.0133.211211T1700Z-211211T2300Z/
/O.CON.KEKA.GL.W.0055.211211T2300Z-211212T0700Z/
Cape Mendocino to Pt Arena out 10 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
900 PM PST Fri Dec 10 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM TO 3 PM PST
SATURDAY...
...GALE WARNING REMAINS IN EFFECT FROM 3 PM TO 11 PM PST
SATURDAY...

* WHAT...For the Gale Warning, south winds 20 to 30 kt with gusts
  up to 40 kt and seas 7 to 11 feet expected. For the Small Craft
  Advisory, south winds 15 to 25 kt with gusts up to 35 kt and 
  seas 7 to 9 feet expected.

* WHERE...Cape Mendocino to Pt Arena out 10 nm and Cape 
  Mendocino to Pt Arena 10 to 60 nm.

* WHEN...For the Gale Warning, from 3 PM to 11 PM PST Saturday. 
  For the Small Craft Advisory, from 9 AM to 3 PM PST Saturday.

* IMPACTS...Strong winds will cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

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.

&&

$$

PZZ450-470-111300-
/O.CON.KEKA.SC.Y.0132.000000T0000Z-211211T1400Z/
/O.CON.KEKA.GL.W.0055.211211T1400Z-211212T0500Z/
Pt St George to Cape Mendocino out 10 nm-
Pt St George to Cape Mendocino 10 to 60 nm-
900 PM PST Fri Dec 10 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM PST
SATURDAY...
...GALE WARNING REMAINS IN EFFECT FROM 6 AM TO 9 PM PST
SATURDAY...

* WHAT...For the Gale Warning, south winds 30 to 40 kt with 
  gusts up to 45 kt and seas 10 to 15 feet expected. For the 
  Small Craft Advisory, south winds 15 to 25 kt with gusts up to 
  35 kt and seas 7 to 10 feet.

* WHERE...Pt St George to Cape Mendocino out 10 nm and Pt St 
  George to Cape Mendocino 10 to 60 nm.

* WHEN...For the Gale Warning, from 6 AM to 9 PM PST Saturday. 
  For the Small Craft Advisory, until 6 AM PST Saturday.

* IMPACTS...Strong winds will cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

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.

&&

$$
927 
WHUS76 KEKA 111030
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
230 AM PST Sat Dec 11 2021

PZZ450-470-111830-
/O.CON.KEKA.SC.Y.0132.000000T0000Z-211211T1400Z/
/O.CON.KEKA.GL.W.0055.211211T1400Z-211212T0500Z/
Pt St George to Cape Mendocino out 10 nm-
Pt St George to Cape Mendocino 10 to 60 nm-
230 AM PST Sat Dec 11 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM PST EARLY
THIS MORNING...
...GALE WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING TO 9 PM
PST THIS EVENING...

* WHAT...For the Gale Warning, south winds 25 to 35 kt with gusts
  up to 45 kt and seas 10 to 15 feet expected. For the Small Craft
  Advisory, south winds 20 to 30 kt with a few gusts up to 35 kt 
  and seas 7 to 10 feet.

* WHERE...Pt St George to Cape Mendocino out 10 nm and Pt St 
  George to Cape Mendocino 10 to 60 nm.

* WHEN...For the Gale Warning, from 6 AM this morning to 9 PM 
  PST this evening. For the Small Craft Advisory, until 6 AM PST 
  early this morning.

* IMPACTS...Strong winds will cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

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.

&&

$$

PZZ455-475-111830-
/O.CON.KEKA.SC.Y.0133.211211T1700Z-211211T2300Z/
/O.CON.KEKA.GL.W.0055.211211T2300Z-211212T0700Z/
Cape Mendocino to Pt Arena out 10 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
230 AM PST Sat Dec 11 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING
TO 3 PM PST THIS AFTERNOON...
...GALE WARNING REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO
11 PM PST THIS EVENING...

* WHAT...For the Gale Warning, south winds 20 to 30 kt with gusts
  up to 35 kt and seas 8 to 12 feet expected. For the Small Craft
  Advisory, south winds 20 to 30 kt with a few gusts up to 35 kt 
  and seas 7 to 9 feet expected.

* WHERE...Cape Mendocino to Pt Arena out 10 nm and Cape 
  Mendocino to Pt Arena 10 to 60 nm.

* WHEN...For the Gale Warning, from 3 PM this afternoon to 11 PM 
  PST this evening. For the Small Craft Advisory, from 9 AM this 
  morning to 3 PM PST this afternoon.

* IMPACTS...Strong winds will cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

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.

&&

$$
388 
WHUS76 KEKA 111656
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
856 AM PST Sat Dec 11 2021

PZZ455-475-120100-
/O.CON.KEKA.SC.Y.0133.211211T1700Z-211211T2300Z/
/O.CON.KEKA.GL.W.0055.211211T2300Z-211212T0700Z/
Cape Mendocino to Pt Arena out 10 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
856 AM PST Sat Dec 11 2021

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

* WHAT...For the Gale Warning, south winds 20 to 30 kt with gusts
  to 35 kt and seas 9 to 13 feet expected. For the Small Craft
  Advisory, south winds 20 to 30 kt with occasional gusts to 35 
  kt and seas 7 to 9 feet expected.

* WHERE...Cape Mendocino to Pt Arena out 10 nm and Cape 
  Mendocino to Pt Arena 10 to 60 nm.

* WHEN...For the Gale Warning, from 3 PM this afternoon to 11 PM
  this evening. For the Small Craft Advisory, until 3 PM this 
  afternoon.

* IMPACTS...Strong winds will cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

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.

$$

PZZ450-470-120100-
/O.CON.KEKA.GL.W.0055.000000T0000Z-211212T0500Z/
Pt St George to Cape Mendocino out 10 nm-
Pt St George to Cape Mendocino 10 to 60 nm-
856 AM PST Sat Dec 11 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 9 PM THIS EVENING...

* WHAT...South winds 25 to 35 kt with gusts to 45 kt and seas 10 
  to 15 feet.

* WHERE...Pt St George to Cape Mendocino out 10 nm and Pt St 
  George to Cape Mendocino 10 to 60 nm.

* WHEN...Until 9 PM this evening.

* IMPACTS...Strong winds will cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

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.

$$
005 
WHUS76 KEKA 112251
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
251 PM PST Sat Dec 11 2021

PZZ455-475-120700-
/O.EXP.KEKA.SC.Y.0133.000000T0000Z-211211T2300Z/
/O.CON.KEKA.GL.W.0055.211211T2300Z-211212T0700Z/
Cape Mendocino to Pt Arena out 10 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
251 PM PST Sat Dec 11 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 11 PM PST THIS EVENING...
...SMALL CRAFT ADVISORY WILL EXPIRE AT 3 PM PST THIS AFTERNOON...

* WHAT...South winds 25 to 30 kt with gusts up to 40 kt and seas 
  9 to 13 feet expected.

* WHERE...Cape Mendocino to Pt Arena out 10 nm and Cape 
  Mendocino to Pt Arena 10 to 60 nm.

* WHEN...Until 11 PM PST this evening.

* IMPACTS...Strong winds will cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

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.

&&

$$

PZZ450-470-120500-
/O.CON.KEKA.GL.W.0055.000000T0000Z-211212T0500Z/
Pt St George to Cape Mendocino out 10 nm-
Pt St George to Cape Mendocino 10 to 60 nm-
251 PM PST Sat Dec 11 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 9 PM PST THIS EVENING...

* WHAT...South winds 30 to 40 kt with gusts up to 45 kt and seas 
  12 to 16 feet.

* WHERE...Pt St George to Cape Mendocino out 10 nm and Pt St 
  George to Cape Mendocino 10 to 60 nm.

* WHEN...Until 9 PM PST this evening.

* IMPACTS...Strong winds will cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 9, 5:31 PM PSTWind AdvisoryEKADel Norte, Humboldt52 hr
Dec 10, 3:03 AM PSTGale WarningEKA46 hr
Dec 10, 1:54 PM PSTWinter Storm WarningEKATrinity39 hr
Dec 10, 2:59 PM PSTFreeze WarningEKAHumboldt, Lake, Mendocino18 hr
Dec 10, 3:00 PM PSTGale WatchEKA4 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.