Alert archive / California / Hazardous Seas Watches in 2021

Hazardous Seas Watch 13, NWS Eureka, CA

October 22, 2021

NWS Eureka, CA issued this hazardous seas watch at Oct 22, 2021, 2:58 PM PDT. It took effect at Oct 24, 2021, 3:00 PM PDT. It was in force for .

The area

The counties it named.

The facts

Issued
Oct 22, 2021, 2:58 PM PDT (21:58 UTC)
In effect from
Oct 24, 2021, 3:00 PM PDT
Expired
Oct 23, 2021, 2:47 PM PDT
In force
Issued by
NWS Eureka, CA

The text

As transmitted.

540 
WHUS76 KEKA 222158
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
258 PM PDT Fri Oct 22 2021

PZZ450-230600-
/O.EXT.KEKA.SC.Y.0107.000000T0000Z-211024T0800Z/
/O.NEW.KEKA.GL.A.0036.211024T0800Z-211024T1500Z/
Pt St George to Cape Mendocino out 10 nm-
258 PM PDT Fri Oct 22 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 AM PDT SUNDAY...
...GALE WATCH IN EFFECT FROM LATE SATURDAY NIGHT THROUGH SUNDAY
MORNING...

* WHAT...For the Small Craft Advisory, south winds 10 to 20 kt 
  with gusts up to 30 kt and seas 9 to 14 feet. For the Gale 
  Watch, south winds 20 to 30 kt with gusts up to 40 kt and seas 
  9 to 13 feet possible.

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

* WHEN...For the Small Craft Advisory, until 1 AM PDT Sunday. 
  For the Gale Watch, from late Saturday night through Sunday 
  morning.

* 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.

&&

$$

PZZ470-230600-
/O.EXT.KEKA.SC.Y.0108.000000T0000Z-211024T0600Z/
/O.NEW.KEKA.GL.A.0036.211024T0600Z-211024T1500Z/
Pt St George to Cape Mendocino 10 to 60 nm-
258 PM PDT Fri Oct 22 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 11 PM PDT SATURDAY...
...GALE WATCH IN EFFECT FROM SATURDAY EVENING THROUGH SUNDAY
MORNING...

* WHAT...For the Small Craft Advisory, south winds 15 to 25 kt 
  with gusts up to 35 kt and seas 10 to 15 feet. For the Gale 
  Watch, south winds 25 to 35 kt with gusts up to 45 kt and seas 
  11 to 14 feet possible.

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

* WHEN...For the Small Craft Advisory, until 11 PM PDT Saturday. 
  For the Gale Watch, from Saturday evening through Sunday 
  morning.

* 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.

&&

$$

PZZ455-230600-
/O.EXT.KEKA.SC.Y.0107.000000T0000Z-211024T2200Z/
/O.NEW.KEKA.SE.A.0013.211025T0400Z-211026T1600Z/
Cape Mendocino to Pt Arena out 10 nm-
258 PM PDT Fri Oct 22 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 PM PDT SUNDAY...
...HAZARDOUS SEAS WATCH IN EFFECT FROM SUNDAY EVENING THROUGH
TUESDAY MORNING...

* WHAT...For the Small Craft Advisory, southeast winds 20 to 30 
  kt with gusts up to 40 kt and seas 9 to 14 feet. For the 
  Hazardous Seas Watch, very steep and hazardous seas 18 to 23 
  feet possible.

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

* WHEN...For the Small Craft Advisory, until 3 PM PDT Sunday. 
  For the Hazardous Seas Watch, from Sunday evening through 
  Tuesday morning.

* IMPACTS...Very steep and hazardous seas could capsize or cause 
  damage to vessels.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Consider altering your plans to avoid possible hazardous sea
conditions.

&&

$$

PZZ475-230600-
/O.EXT.KEKA.SC.Y.0107.000000T0000Z-211024T2200Z/
/O.NEW.KEKA.SE.A.0013.211024T2200Z-211026T1600Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
258 PM PDT Fri Oct 22 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 PM PDT SUNDAY...
...HAZARDOUS SEAS WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH
TUESDAY MORNING...

* WHAT...For the Small Craft Advisory, south winds 20 to 30 kt 
  with gusts up to 40 kt and seas 10 to 15 feet. For the 
  Hazardous Seas Watch, very steep and hazardous seas 20 to 25 
  feet possible.

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

* WHEN...For the Small Craft Advisory, until 3 PM PDT Sunday. 
  For the Hazardous Seas Watch, from Sunday afternoon through 
  Tuesday morning.

* IMPACTS...Very steep and hazardous seas could capsize or cause 
  damage to vessels.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Consider altering your plans to avoid possible hazardous sea
conditions.

&&

$$
4 follow-up statements
710 
WHUS76 KEKA 230321
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
821 PM PDT Fri Oct 22 2021

PZZ450-231130-
/O.CON.KEKA.SC.Y.0107.000000T0000Z-211024T0800Z/
/O.CON.KEKA.GL.A.0036.211024T0800Z-211024T1500Z/
Pt St George to Cape Mendocino out 10 nm-
821 PM PDT Fri Oct 22 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM PDT SUNDAY...
...GALE WATCH REMAINS IN EFFECT FROM LATE SATURDAY NIGHT THROUGH
SUNDAY MORNING...

* WHAT...For the Small Craft Advisory, south winds 10 to 20 kt 
  with gusts up to 30 kt and seas 9 to 13 feet. For the Gale 
  Watch, south winds 20 to 30 kt with gusts up to 40 kt and seas 
  9 to 13 feet possible.

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

* WHEN...For the Small Craft Advisory, until 1 AM PDT Sunday. 
  For the Gale Watch, from late Saturday night through Sunday 
  morning.

* 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.

&&

$$

PZZ470-231130-
/O.CON.KEKA.SC.Y.0108.000000T0000Z-211024T0600Z/
/O.CON.KEKA.GL.A.0036.211024T0600Z-211024T1500Z/
Pt St George to Cape Mendocino 10 to 60 nm-
821 PM PDT Fri Oct 22 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT
SATURDAY...
...GALE WATCH REMAINS IN EFFECT FROM SATURDAY EVENING THROUGH
SUNDAY MORNING...

* WHAT...For the Small Craft Advisory, south winds 15 to 25 kt 
  with gusts up to 35 kt and seas 10 to 13 feet. For the Gale 
  Watch, south winds 25 to 35 kt with gusts up to 45 kt and seas 
  11 to 14 feet possible.

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

* WHEN...For the Small Craft Advisory, until 11 PM PDT Saturday. 
  For the Gale Watch, from Saturday evening through Sunday 
  morning.

* 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.

&&

$$

PZZ455-231130-
/O.CON.KEKA.SC.Y.0107.000000T0000Z-211024T2200Z/
/O.CON.KEKA.SE.A.0013.211025T0400Z-211026T1600Z/
Cape Mendocino to Pt Arena out 10 nm-
821 PM PDT Fri Oct 22 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT SUNDAY...
...HAZARDOUS SEAS WATCH REMAINS IN EFFECT FROM SUNDAY EVENING
THROUGH TUESDAY MORNING...

* WHAT...For the Small Craft Advisory, southeast winds 20 to 30 
  kt with gusts up to 40 kt and seas 9 to 14 feet. For the 
  Hazardous Seas Watch, very steep and hazardous seas 18 to 23 
  feet possible.

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

* WHEN...For the Small Craft Advisory, until 3 PM PDT Sunday. 
  For the Hazardous Seas Watch, from Sunday evening through 
  Tuesday morning.

* IMPACTS...Very steep and hazardous seas could capsize or cause 
  damage to vessels.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Consider altering your plans to avoid possible hazardous sea
conditions.

&&

$$

PZZ475-231130-
/O.CON.KEKA.SC.Y.0107.000000T0000Z-211024T2200Z/
/O.CON.KEKA.SE.A.0013.211024T2200Z-211026T1600Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
821 PM PDT Fri Oct 22 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT SUNDAY...
...HAZARDOUS SEAS WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON
THROUGH TUESDAY MORNING...

* WHAT...For the Small Craft Advisory, south winds 20 to 30 kt 
  with gusts up to 40 kt and seas 9 to 14 feet. For the 
  Hazardous Seas Watch, very steep and hazardous seas 20 to 25 
  feet possible.

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

* WHEN...For the Small Craft Advisory, until 3 PM PDT Sunday. 
  For the Hazardous Seas Watch, from Sunday afternoon through 
  Tuesday morning.

* IMPACTS...Very steep and hazardous seas could capsize or cause 
  damage to vessels.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Consider altering your plans to avoid possible hazardous sea
conditions.

&&

$$
649 
WHUS76 KEKA 230959
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
259 AM PDT Sat Oct 23 2021

PZZ450-231800-
/O.CON.KEKA.SC.Y.0107.000000T0000Z-211024T0800Z/
/O.UPG.KEKA.GL.A.0036.211024T0800Z-211024T1500Z/
/O.NEW.KEKA.GL.W.0048.211024T0800Z-211024T1500Z/
Pt St George to Cape Mendocino out 10 nm-
259 AM PDT Sat Oct 23 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM PDT SUNDAY...
...GALE WARNING IN EFFECT FROM 1 AM TO 8 AM PDT SUNDAY...

* WHAT...For the Gale Warning, south winds 20 to 30 kt with 
  gusts up to 40 kt and seas 9 to 12 feet expected. For the 
  Small Craft Advisory, south winds 10 to 20 kt with gusts up to 
  30 kt and seas 8 to 11 feet.

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

* WHEN...For the Gale Warning, from 1 AM to 8 AM PDT Sunday. For 
  the Small Craft Advisory, until 1 AM PDT Sunday.

* 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.

&&

$$

PZZ470-231800-
/O.CON.KEKA.SC.Y.0108.000000T0000Z-211024T0600Z/
/O.UPG.KEKA.GL.A.0036.211024T0600Z-211024T1500Z/
/O.NEW.KEKA.GL.W.0048.211024T0600Z-211024T1500Z/
Pt St George to Cape Mendocino 10 to 60 nm-
259 AM PDT Sat Oct 23 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS
EVENING...
...GALE WARNING IN EFFECT FROM 11 PM THIS EVENING TO 8 AM PDT
SUNDAY...

* WHAT...For the Gale Warning, south winds 25 to 35 kt with 
  gusts up to 45 kt and seas 9 to 13 feet expected. For the 
  Small Craft Advisory, south winds 15 to 25 kt with gusts up to 
  35 kt and seas 10 to 12 feet.

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

* WHEN...For the Gale Warning, from 11 PM this evening to 8 AM 
  PDT Sunday. For the Small Craft Advisory, until 11 PM PDT 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.

&&

$$

PZZ455-231800-
/O.CON.KEKA.SC.Y.0107.000000T0000Z-211024T2200Z/
/O.CON.KEKA.SE.A.0013.211025T0400Z-211026T1600Z/
Cape Mendocino to Pt Arena out 10 nm-
259 AM PDT Sat Oct 23 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT SUNDAY...
...HAZARDOUS SEAS WATCH REMAINS IN EFFECT FROM SUNDAY EVENING
THROUGH TUESDAY MORNING...

* WHAT...For the Small Craft Advisory, south winds 15 to 25 kt 
  with gusts up to 40 kt and seas 8 to 12 feet. For the 
  Hazardous Seas Watch, very steep and hazardous seas 18 to 23 
  feet possible.

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

* WHEN...For the Small Craft Advisory, until 3 PM PDT Sunday. 
  For the Hazardous Seas Watch, from Sunday evening through 
  Tuesday morning.

* IMPACTS...Very steep and hazardous seas could capsize or cause 
  damage to vessels.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Consider altering your plans to avoid possible hazardous sea
conditions.

&&

$$

PZZ475-231800-
/O.CON.KEKA.SC.Y.0107.000000T0000Z-211024T2200Z/
/O.CON.KEKA.SE.A.0013.211024T2200Z-211026T1600Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
259 AM PDT Sat Oct 23 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT SUNDAY...
...HAZARDOUS SEAS WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON
THROUGH TUESDAY MORNING...

* WHAT...For the Small Craft Advisory, south winds 20 to 30 kt 
  with gusts up to 35 kt and seas 9 to 12 feet. For the 
  Hazardous Seas Watch, very steep and hazardous seas 19 to 24 
  feet possible.

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

* WHEN...For the Small Craft Advisory, until 3 PM PDT Sunday. 
  For the Hazardous Seas Watch, from Sunday afternoon through 
  Tuesday morning.

* IMPACTS...Very steep and hazardous seas could capsize or cause 
  damage to vessels.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Consider altering your plans to avoid possible hazardous sea
conditions.

&&

$$
935 
WHUS76 KEKA 231522
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
822 AM PDT Sat Oct 23 2021

PZZ450-232330-
/O.CON.KEKA.SC.Y.0107.000000T0000Z-211024T0800Z/
/O.CON.KEKA.GL.W.0048.211024T0800Z-211024T1500Z/
Pt St George to Cape Mendocino out 10 nm-
822 AM PDT Sat Oct 23 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM PDT SUNDAY...
...GALE WARNING REMAINS IN EFFECT FROM 1 AM TO 8 AM PDT SUNDAY...

* WHAT...For the Gale Warning, south winds 20 to 30 kt with 
  gusts up to 40 kt and seas 9 to 12 feet expected. For the 
  Small Craft Advisory, south winds 15 to 25 kt with gusts up to 
  30 kt and seas 8 to 10 feet.

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

* WHEN...For the Gale Warning, from 1 AM to 8 AM PDT Sunday. For 
  the Small Craft Advisory, until 1 AM PDT Sunday.

* 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.

&&

$$

PZZ470-232330-
/O.CON.KEKA.SC.Y.0108.000000T0000Z-211024T0600Z/
/O.CON.KEKA.GL.W.0048.211024T0600Z-211024T1500Z/
Pt St George to Cape Mendocino 10 to 60 nm-
822 AM PDT Sat Oct 23 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS
EVENING...
...GALE WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 8 AM
PDT SUNDAY...

* WHAT...For the Gale Warning, south winds 25 to 35 kt with 
  gusts up to 45 kt and seas 9 to 13 feet expected. For the 
  Small Craft Advisory, south winds 15 to 25 kt with gusts up to 
  35 kt and seas 10 to 12 feet.

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

* WHEN...For the Gale Warning, from 11 PM this evening to 8 AM 
  PDT Sunday. For the Small Craft Advisory, until 11 PM PDT 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.

&&

$$

PZZ455-232330-
/O.CON.KEKA.SC.Y.0107.000000T0000Z-211024T2200Z/
/O.CON.KEKA.SE.A.0013.211025T0400Z-211026T1600Z/
Cape Mendocino to Pt Arena out 10 nm-
822 AM PDT Sat Oct 23 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT SUNDAY...
...HAZARDOUS SEAS WATCH REMAINS IN EFFECT FROM SUNDAY EVENING
THROUGH TUESDAY MORNING...

* WHAT...For the Small Craft Advisory, south winds 20 to 30 kt 
  with gusts up to 40 kt and seas 8 to 11 feet. For the 
  Hazardous Seas Watch, very steep and hazardous seas 18 to 23 
  feet possible.

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

* WHEN...For the Small Craft Advisory, until 3 PM PDT Sunday. 
  For the Hazardous Seas Watch, from Sunday evening through 
  Tuesday morning.

* IMPACTS...Very steep and hazardous seas could capsize or cause 
  damage to vessels.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Consider altering your plans to avoid possible hazardous sea
conditions.

&&

$$

PZZ475-232330-
/O.CON.KEKA.SC.Y.0107.000000T0000Z-211024T2200Z/
/O.CON.KEKA.SE.A.0013.211024T2200Z-211026T1600Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
822 AM PDT Sat Oct 23 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT SUNDAY...
...HAZARDOUS SEAS WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON
THROUGH TUESDAY MORNING...

* WHAT...For the Small Craft Advisory, south winds 20 to 30 kt 
  with gusts up to 35 kt and seas 9 to 12 feet. For the 
  Hazardous Seas Watch, very steep and hazardous seas 19 to 24 
  feet possible.

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

* WHEN...For the Small Craft Advisory, until 3 PM PDT Sunday. 
  For the Hazardous Seas Watch, from Sunday afternoon through 
  Tuesday morning.

* IMPACTS...Very steep and hazardous seas could capsize or cause 
  damage to vessels.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Consider altering your plans to avoid possible hazardous sea
conditions.

&&

$$
061 
WHUS76 KEKA 232147
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
247 PM PDT Sat Oct 23 2021

PZZ455-240600-
/O.EXT.KEKA.SC.Y.0107.000000T0000Z-211024T0800Z/
/O.EXA.KEKA.GL.W.0048.211024T0800Z-211024T1500Z/
/O.UPG.KEKA.SE.A.0013.211025T0400Z-211026T1600Z/
/O.NEW.KEKA.SE.W.0059.211024T1500Z-211026T1600Z/
Cape Mendocino to Pt Arena out 10 nm-
247 PM PDT Sat Oct 23 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 AM PDT SUNDAY...
...GALE WARNING IN EFFECT FROM 1 AM TO 8 AM PDT SUNDAY...
...HAZARDOUS SEAS WARNING IN EFFECT FROM 8 AM SUNDAY TO 9 AM PDT
TUESDAY...

* WHAT...For the Gale Warning, southeast winds 20 to 30 kt with 
  gusts up to 45 kt and seas 9 to 11 feet expected. For the 
  Hazardous Seas Warning, very steep and hazardous seas 18 to 23 
  feet expected. For the Small Craft Advisory, southeast winds 
  15 to 25 kt with gusts up to 35 kt and seas 8 to 11 feet.

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

* WHEN...For the Gale Warning, from 1 AM to 8 AM PDT Sunday. For 
  the Hazardous Seas Warning, from 8 AM Sunday to 9 AM PDT 
  Tuesday. For the Small Craft Advisory, until 1 AM PDT Sunday.

* 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.

&&

$$

PZZ475-240600-
/O.EXT.KEKA.SC.Y.0107.000000T0000Z-211024T0800Z/
/O.EXA.KEKA.GL.W.0048.211024T0800Z-211024T1500Z/
/O.UPG.KEKA.SE.A.0013.211024T2200Z-211026T1600Z/
/O.NEW.KEKA.SE.W.0059.211024T1500Z-211026T1600Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
247 PM PDT Sat Oct 23 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 AM PDT SUNDAY...
...GALE WARNING IN EFFECT FROM 1 AM TO 8 AM PDT SUNDAY...
...HAZARDOUS SEAS WARNING IN EFFECT FROM 8 AM SUNDAY TO 9 AM PDT
TUESDAY...

* WHAT...For the Gale Warning, south winds 25 to 30 kt with 
  gusts up to 40 kt and seas 9 to 12 feet expected. For the 
  Hazardous Seas Warning, very steep and hazardous seas 19 to 24 
  feet expected. For the Small Craft Advisory, south winds 15 to 
  25 kt with gusts up to 35 kt and seas 9 to 11 feet.

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

* WHEN...For the Gale Warning, from 1 AM to 8 AM PDT Sunday. For 
  the Hazardous Seas Warning, from 8 AM Sunday to 9 AM PDT 
  Tuesday. For the Small Craft Advisory, until 1 AM PDT Sunday.

* 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.

&&

$$

PZZ450-240600-
/O.CON.KEKA.SC.Y.0107.000000T0000Z-211024T0800Z/
/O.EXT.KEKA.GL.W.0048.211024T0800Z-211024T1800Z/
/O.NEW.KEKA.SE.W.0059.211024T1800Z-211026T1600Z/
Pt St George to Cape Mendocino out 10 nm-
247 PM PDT Sat Oct 23 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM PDT SUNDAY...
...GALE WARNING NOW IN EFFECT FROM 1 AM TO 11 AM PDT SUNDAY...
...HAZARDOUS SEAS WARNING IN EFFECT FROM 11 AM SUNDAY TO 9 AM PDT
TUESDAY...

* WHAT...For the Gale Warning, south winds 25 to 35 kt with 
  gusts up to 45 kt and seas 9 to 12 feet expected. For the 
  Hazardous Seas Warning, very steep and hazardous seas 19 to 24 
  feet expected. For the Small Craft Advisory, south winds 15 to 
  25 kt with gusts up to 35 kt and seas 8 to 11 feet.

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

* WHEN...For the Gale Warning, from 1 AM to 11 AM PDT Sunday. 
  For the Hazardous Seas Warning, from 11 AM Sunday to 9 AM PDT 
  Tuesday. For the Small Craft Advisory, until 1 AM PDT Sunday.

* 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.

&&

$$

PZZ470-240600-
/O.CON.KEKA.SC.Y.0108.000000T0000Z-211024T0600Z/
/O.EXT.KEKA.GL.W.0048.211024T0600Z-211024T1800Z/
/O.NEW.KEKA.SE.W.0059.211024T1800Z-211026T1600Z/
Pt St George to Cape Mendocino 10 to 60 nm-
247 PM PDT Sat Oct 23 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS
EVENING...
...GALE WARNING NOW IN EFFECT FROM 11 PM THIS EVENING TO 11 AM
PDT SUNDAY...
...HAZARDOUS SEAS WARNING IN EFFECT FROM 11 AM SUNDAY TO 9 AM PDT
TUESDAY...

* WHAT...For the Gale Warning, south winds 25 to 35 kt with 
  gusts up to 50 kt and seas 9 to 13 feet expected. For the 
  Hazardous Seas Warning, very steep and hazardous seas 21 to 26 
  feet expected. For the Small Craft Advisory, south winds 10 to 
  20 kt with gusts up to 30 kt and seas 9 to 11 feet.

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

* WHEN...For the Gale Warning, from 11 PM this evening to 11 AM 
  PDT Sunday. For the Hazardous Seas Warning, from 11 AM Sunday 
  to 9 AM PDT Tuesday. For the Small Craft Advisory, until 11 PM 
  PDT 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
Oct 21, 8:17 PM PDTFlash Flood WatchEKA10 hr
Oct 21, 9:01 PM PDTSmall Craft AdvisoryEKA50 hr
Oct 22, 2:58 PM PDTGale WatchEKA12 hr
Oct 22, 3:02 PM PDTWind AdvisoryEKADel Norte, Humboldt, Mendocino47 hr
Oct 22, 3:30 PM PDTFlood WatchEKADel Norte, Humboldt, Lake, Mendocino, Trinity53 hr

Nearby

Hazardous Seas Watches in California, 2021Every hazardous seas watch 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.