Alert archive / California / Small Craft Advisories in 2021

Small Craft Advisory 4, NWS Eureka, CA

January 10, 2021

NWS Eureka, CA issued this small craft advisory at Jan 10, 2021, 8:53 PM PST. It took effect at Jan 10, 2021, 9:00 PM PST. It was in force for 36 hr.

The area

The counties it named.

The facts

Issued
Jan 10, 2021, 8:53 PM PST (04:53 UTC)
In effect from
Jan 10, 2021, 9:00 PM PST
Expired
Jan 12, 2021, 9:00 AM PST
In force
36 hr
Issued by
NWS Eureka, CA

The text

As transmitted.

909 
WHUS76 KEKA 110453
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
853 PM PST Sun Jan 10 2021

PZZ470-111300-
/O.EXP.KEKA.SE.W.0005.000000T0000Z-210111T0500Z/
/O.NEW.KEKA.SC.Y.0004.210111T0500Z-210112T0500Z/
/O.CON.KEKA.GL.A.0004.210112T0500Z-210112T2300Z/
Pt St George to Cape Mendocino 10 to 60 nm-
853 PM PST Sun Jan 10 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM PST MONDAY...
...GALE WATCH REMAINS IN EFFECT FROM MONDAY EVENING THROUGH
TUESDAY AFTERNOON...

* WHAT...For the Small Craft Advisory, south winds 15 to 25 kt 
  with gusts up to 30 kt and seas 11 to 14 feet expected. For 
  the Gale Watch, south winds 25 to 30 kt with gusts up to 45 kt 
  and seas 18 to 23 feet possible.

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

* WHEN...For the Small Craft Advisory, until 9 PM PST Monday. 
  For the Gale Watch, from Monday evening through Tuesday 
  afternoon.

* 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.

&&

$$

PZZ450-455-475-111300-
/O.EXP.KEKA.SE.W.0005.000000T0000Z-210111T0500Z/
/O.NEW.KEKA.SC.Y.0004.210111T0500Z-210112T0500Z/
Pt St George to Cape Mendocino out 10 nm-
Cape Mendocino to Pt Arena out 10 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
853 PM PST Sun Jan 10 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM PST MONDAY...

* WHAT...South winds 10 to 20 kt with gusts up to 25 kt and seas 
  9 to 14 feet expected.

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

* WHEN...Until 9 PM PST Monday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
7 follow-up statements
100 
WHUS76 KEKA 111003
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
203 AM PST Mon Jan 11 2021

PZZ470-111815-
/O.CON.KEKA.SC.Y.0004.000000T0000Z-210112T0500Z/
/O.UPG.KEKA.GL.A.0004.210112T0500Z-210112T2300Z/
/O.NEW.KEKA.GL.W.0004.210112T0500Z-210112T2300Z/
Pt St George to Cape Mendocino 10 to 60 nm-
203 AM PST Mon Jan 11 2021

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

* WHAT...For the Gale Warning, south winds 25 to 35 kt with 
  gusts up to 45 kt and seas 18 to 23 feet expected. For the 
  Small Craft Advisory, south winds 15 to 25 kt with gusts up to 
  30 kt and seas 10 to 14 feet.

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

* WHEN...For the Gale Warning, from 9 PM this evening to 3 PM 
  PST Tuesday. 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.

&&

$$

PZZ475-111815-
/O.EXT.KEKA.SC.Y.0004.000000T0000Z-210112T1700Z/
/O.NEW.KEKA.SE.A.0002.210112T1700Z-210113T1100Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
203 AM PST Mon Jan 11 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 AM PST TUESDAY...
...HAZARDOUS SEAS WATCH IN EFFECT FROM TUESDAY MORNING THROUGH
LATE TUESDAY NIGHT...

* WHAT...For the Small Craft Advisory, south winds 15 to 25 kt 
  with a few gusts up to 35 kt and seas 10 to 14 feet. For the 
  Hazardous Seas Watch, very steep and hazardous seas 17 to 21 
  feet possible.

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

* WHEN...For the Small Craft Advisory, until 9 AM PST Tuesday. 
  For the Hazardous Seas Watch, from Tuesday morning through 
  late Tuesday night.

* 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.

&&

$$

PZZ450-455-111815-
/O.EXT.KEKA.SC.Y.0004.000000T0000Z-210113T1100Z/
Pt St George to Cape Mendocino out 10 nm-
Cape Mendocino to Pt Arena out 10 nm-
203 AM PST Mon Jan 11 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 AM PST WEDNESDAY...

* WHAT...Southerly winds winds 20 to 30 kt. Localized gusts 30 to
  40 kt near Cape Mendocino and Pt St George late tonight and
  Tuesday. Seas 10 to 15 feet today, building to 15 to 20 feet on
  Tuesday.

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

* WHEN...Until 3 AM PST Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
046 
WHUS76 KEKA 111629
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
829 AM PST Mon Jan 11 2021

PZZ450-120030-
/O.EXT.KEKA.SC.Y.0004.000000T0000Z-210112T0500Z/
/O.EXA.KEKA.GL.W.0004.210112T0500Z-210112T2300Z/
Pt St George to Cape Mendocino out 10 nm-
829 AM PST Mon Jan 11 2021

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

* WHAT...For the Gale Warning, south winds 20 to 30 kt with 
  gusts up to 40 kt and seas 15 to 20 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 out 10 nm.

* WHEN...For the Gale Warning, from 9 PM this evening to 3 PM 
  PST Tuesday. 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.

* ADDITIONAL DETAILS...Strongest winds will strongest north of 
  Cape Mendocino and near Pt St George.

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.

&&

$$

PZZ470-120030-
/O.EXT.KEKA.SC.Y.0004.000000T0000Z-210111T2300Z/
/O.EXT.KEKA.GL.W.0004.210111T2300Z-210112T2300Z/
Pt St George to Cape Mendocino 10 to 60 nm-
829 AM PST Mon Jan 11 2021

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

* WHAT...For the Gale Warning, south winds 25 to 35 kt with 
  gusts up to 45 kt and seas 18 to 23 feet expected. For the 
  Small Craft Advisory, south winds 15 to 25 kt with gusts up to 
  30 kt and seas 10 to 12 feet.

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

* WHEN...For the Gale Warning, from 3 PM this afternoon to 3 PM 
  PST Tuesday. 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.

&&

$$

PZZ475-120030-
/O.CON.KEKA.SC.Y.0004.000000T0000Z-210112T1700Z/
/O.CON.KEKA.SE.A.0002.210112T1700Z-210113T1100Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
829 AM PST Mon Jan 11 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST
TUESDAY...
...HAZARDOUS SEAS WATCH REMAINS IN EFFECT FROM TUESDAY MORNING
THROUGH LATE TUESDAY NIGHT...

* WHAT...For the Small Craft Advisory, south winds 15 to 25 kt 
  with A few gusts up to 35 kt and seas 13 to 18 feet. For the 
  Hazardous Seas Watch, very steep and hazardous seas 17 to 21 
  feet possible.

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

* WHEN...For the Small Craft Advisory, until 9 AM PST Tuesday. 
  For the Hazardous Seas Watch, from Tuesday morning through 
  late Tuesday night.

* 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.

&&

$$

PZZ455-120030-
/O.CON.KEKA.SC.Y.0004.000000T0000Z-210113T1100Z/
Cape Mendocino to Pt Arena out 10 nm-
829 AM PST Mon Jan 11 2021

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

* WHAT...Southeast winds 15 to 25 kt with gusts up to 35 kt and 
  seas 15 to 20 feet.

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

* WHEN...Until 3 AM PST Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
051 
WHUS76 KEKA 112219
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
219 PM PST Mon Jan 11 2021

PZZ475-120630-
/O.EXT.KEKA.SC.Y.0004.000000T0000Z-210112T1300Z/
/O.UPG.KEKA.SE.A.0002.210112T1700Z-210113T1100Z/
/O.NEW.KEKA.SE.W.0006.210112T1300Z-210113T1100Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
219 PM PST Mon Jan 11 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 AM PST TUESDAY...
...HAZARDOUS SEAS WARNING IN EFFECT FROM 5 AM TUESDAY TO 3 AM PST
WEDNESDAY...

* WHAT...For the Hazardous Seas Warning, very steep and 
  hazardous seas 17 to 22 feet expected. For the Small Craft 
  Advisory, south winds 15 to 25 kt with gusts up to 35 kt and 
  seas 10 to 14 feet.

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

* WHEN...For the Hazardous Seas Warning, from 5 AM Tuesday to 3 
  AM PST Wednesday. For the Small Craft Advisory, until 5 AM PST 
  Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Recreational boaters should remain in port. Commercial vessels
should prepare for rough seas and consider remaining in port
until hazardous seas subside.

&&

$$

PZZ455-120630-
/O.EXT.KEKA.SC.Y.0004.000000T0000Z-210112T1300Z/
/O.NEW.KEKA.SE.W.0006.210112T1700Z-210113T1100Z/
Cape Mendocino to Pt Arena out 10 nm-
219 PM PST Mon Jan 11 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 AM PST TUESDAY...
...HAZARDOUS SEAS WARNING IN EFFECT FROM 9 AM TUESDAY TO 3 AM PST
WEDNESDAY...

* WHAT...For the Hazardous Seas Warning, very steep and 
  hazardous seas 16 to 21 feet expected. For the Small Craft 
  Advisory, southeast winds 15 to 25 kt with gusts up to 35 kt 
  and seas 9 to 13 feet.

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

* WHEN...For the Hazardous Seas Warning, from 9 AM Tuesday to 3 
  AM PST Wednesday. For the Small Craft Advisory, until 5 AM PST 
  Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Recreational boaters should remain in port. Commercial vessels
should prepare for rough seas and consider remaining in port
until hazardous seas subside.

&&

$$

PZZ450-120630-
/O.CON.KEKA.SC.Y.0004.000000T0000Z-210112T0500Z/
/O.EXT.KEKA.GL.W.0004.210112T0500Z-210113T1100Z/
Pt St George to Cape Mendocino out 10 nm-
219 PM PST Mon Jan 11 2021

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

* WHAT...For the Gale Warning, south winds 25 to 35 kt with 
  gusts up to 45 kt and seas 15 to 20 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 out 10 nm.

* WHEN...For the Gale Warning, from 9 PM this evening to 3 AM 
  PST Wednesday. 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.

&&

$$

PZZ470-120630-
/O.CON.KEKA.SC.Y.0004.000000T0000Z-210111T2300Z/
/O.EXT.KEKA.GL.W.0004.210111T2300Z-210113T1100Z/
Pt St George to Cape Mendocino 10 to 60 nm-
219 PM PST Mon Jan 11 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS
AFTERNOON...
...GALE WARNING NOW IN EFFECT UNTIL 3 AM PST WEDNESDAY...

* WHAT...For the Gale Warning, south winds 25 to 35 kt with 
  gusts up to 50 kt and seas 19 to 24 feet expected. For the 
  Small Craft Advisory, south winds 20 to 25 kt with gusts up to 
  30 kt and seas 10 to 12 feet.

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

* WHEN...For the Gale Warning, until 3 AM PST Wednesday. 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.

&&

$$
578 
WHUS76 KEKA 120458
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
858 PM PST Mon Jan 11 2021

PZZ450-121300-
/O.EXP.KEKA.SC.Y.0004.000000T0000Z-210112T0500Z/
/O.CON.KEKA.GL.W.0004.210112T0500Z-210113T1100Z/
Pt St George to Cape Mendocino out 10 nm-
858 PM PST Mon Jan 11 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PST WEDNESDAY...


* WHAT...South winds 25 to 35 kt with gusts up to 45 kt and seas 
  15 to 20 feet expected.

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

* WHEN...From 9 PM this evening to 3 AM PST Wednesday. 

* 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.

&&

$$

PZZ470-121300-
/O.CON.KEKA.GL.W.0004.000000T0000Z-210113T1100Z/
Pt St George to Cape Mendocino 10 to 60 nm-
858 PM PST Mon Jan 11 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PST WEDNESDAY...

* WHAT...South winds 25 to 35 kt with gusts up to 50 kt and seas 
  19 to 24 feet expected. 

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

* WHEN...For the Gale Warning, until 3 AM PST Wednesday. 

* 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.

&&

$$

PZZ475-121300-
/O.CON.KEKA.SC.Y.0004.000000T0000Z-210112T1300Z/
/O.CON.KEKA.SE.W.0006.210112T1300Z-210113T1100Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
858 PM PST Mon Jan 11 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM PST
TUESDAY...
...HAZARDOUS SEAS WARNING REMAINS IN EFFECT FROM 5 AM TUESDAY TO
3 AM PST WEDNESDAY...

* WHAT...For the Hazardous Seas Warning, very steep and 
  hazardous seas 17 to 22 feet expected. For the Small Craft 
  Advisory, south winds 15 to 25 kt with gusts up to 35 kt and 
  seas 10 to 14 feet.

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

* WHEN...For the Hazardous Seas Warning, from 5 AM Tuesday to 3 
  AM PST Wednesday. For the Small Craft Advisory, until 5 AM PST 
  Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Recreational boaters should remain in port. Commercial vessels
should prepare for rough seas and consider remaining in port
until hazardous seas subside.

&&

$$

PZZ455-121300-
/O.EXT.KEKA.SC.Y.0004.000000T0000Z-210112T1700Z/
/O.CON.KEKA.SE.W.0006.210112T1700Z-210113T1100Z/
Cape Mendocino to Pt Arena out 10 nm-
858 PM PST Mon Jan 11 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 AM PST TUESDAY...
...HAZARDOUS SEAS WARNING REMAINS IN EFFECT FROM 9 AM TUESDAY TO
3 AM PST WEDNESDAY...

* WHAT...For the Hazardous Seas Warning, very steep and 
  hazardous seas 16 to 21 feet expected. For the Small Craft 
  Advisory, southeast winds 15 to 25 kt with gusts up to 35 kt 
  and seas 9 to 13 feet.

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

* WHEN...For the Hazardous Seas Warning, from 9 AM Tuesday to 3 
  AM PST Wednesday. For the Small Craft Advisory, until 9 AM PST 
  Tuesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Recreational boaters should remain in port. Commercial vessels
should prepare for rough seas and consider remaining in port
until hazardous seas subside.

&&

$$
046 
WHUS76 KEKA 121016
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
216 AM PST Tue Jan 12 2021

PZZ450-470-121830-
/O.CON.KEKA.GL.W.0004.000000T0000Z-210113T1100Z/
Pt St George to Cape Mendocino out 10 nm-
Pt St George to Cape Mendocino 10 to 60 nm-
216 AM PST Tue Jan 12 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PST WEDNESDAY...

* WHAT...South winds 25 to 35 kt with gusts up to 45 kt and seas 
  15 to 20 feet expected.

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

* WHEN...Until 3 AM PST Wednesday.

* 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.

&&

$$

PZZ475-121830-
/O.CON.KEKA.SC.Y.0004.000000T0000Z-210112T1300Z/
/O.CON.KEKA.SE.W.0006.210112T1300Z-210113T1100Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
216 AM PST Tue Jan 12 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM PST EARLY
THIS MORNING...
...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 3 AM PST
WEDNESDAY...

* WHAT...For the Hazardous Seas Warning, very steep and 
  hazardous seas 17 to 22 feet expected. For the Small Craft 
  Advisory, south winds 15 to 25 kt with gusts up to 35 kt and 
  seas 10 to 14 feet.

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

* WHEN...For the Hazardous Seas Warning, until 3 AM PST 
  Wednesday. For the Small Craft Advisory, until 5 AM PST early 
  this morning.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Recreational boaters should remain in port. Commercial vessels
should prepare for rough seas and consider remaining in port
until hazardous seas subside.

&&

$$

PZZ455-121830-
/O.CON.KEKA.SC.Y.0004.000000T0000Z-210112T1700Z/
/O.CON.KEKA.SE.W.0006.210112T1700Z-210113T1100Z/
Cape Mendocino to Pt Arena out 10 nm-
216 AM PST Tue Jan 12 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST THIS
MORNING...
...HAZARDOUS SEAS WARNING REMAINS IN EFFECT FROM 9 AM THIS
MORNING TO 3 AM PST WEDNESDAY...

* WHAT...For the Hazardous Seas Warning, very steep and 
  hazardous seas 16 to 21 feet expected. For the Small Craft 
  Advisory, southeast winds 15 to 25 kt with gusts up to 35 kt 
  and seas 9 to 13 feet.

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

* WHEN...For the Hazardous Seas Warning, from 9 AM this morning 
  to 3 AM PST Wednesday. For the Small Craft Advisory, until 9 
  AM PST this morning.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Recreational boaters should remain in port. Commercial vessels
should prepare for rough seas and consider remaining in port
until hazardous seas subside.

&&

$$
093 
WHUS76 KEKA 121302
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
502 AM PST Tue Jan 12 2021

PZZ475-122115-
/O.EXP.KEKA.SC.Y.0004.000000T0000Z-210112T1300Z/
/O.CON.KEKA.SE.W.0006.000000T0000Z-210113T1100Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
502 AM PST Tue Jan 12 2021

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 3 AM PST
WEDNESDAY...
...SMALL CRAFT ADVISORY HAS EXPIRED...

* WHAT...Very steep and hazardous seas 17 to 22 feet.

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

* WHEN...Until 3 AM PST Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Recreational boaters should remain in port. Commercial vessels
should prepare for rough seas and consider remaining in port
until hazardous seas subside.

&&

$$

PZZ450-470-122115-
/O.CON.KEKA.GL.W.0004.000000T0000Z-210113T1100Z/
Pt St George to Cape Mendocino out 10 nm-
Pt St George to Cape Mendocino 10 to 60 nm-
502 AM PST Tue Jan 12 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PST WEDNESDAY...

* WHAT...South winds 25 to 35 kt with gusts up to 45 kt and seas
  15 to 20 feet.

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

* WHEN...Until 3 AM PST Wednesday.

* 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.

&&

$$

PZZ455-122115-
/O.CON.KEKA.SC.Y.0004.000000T0000Z-210112T1700Z/
/O.CON.KEKA.SE.W.0006.210112T1700Z-210113T1100Z/
Cape Mendocino to Pt Arena out 10 nm-
502 AM PST Tue Jan 12 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST THIS
MORNING...
...HAZARDOUS SEAS WARNING REMAINS IN EFFECT FROM 9 AM THIS
MORNING TO 3 AM PST WEDNESDAY...

* WHAT...For the Hazardous Seas Warning, very steep and 
  hazardous seas 16 to 21 feet expected. For the Small Craft 
  Advisory, southeast winds 15 to 25 kt with gusts up to 40 kt 
  and seas 10 to 14 feet.

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

* WHEN...For the Hazardous Seas Warning, from 9 AM this morning 
  to 3 AM PST Wednesday. For the Small Craft Advisory, until 9 
  AM PST this morning.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Recreational boaters should remain in port. Commercial vessels
should prepare for rough seas and consider remaining in port
until hazardous seas subside.

&&

$$
464 
WHUS76 KEKA 121703
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
903 AM PST Tue Jan 12 2021

PZZ455-130115-
/O.EXP.KEKA.SC.Y.0004.000000T0000Z-210112T1700Z/
/O.CON.KEKA.SE.W.0006.000000T0000Z-210113T1100Z/
Cape Mendocino to Pt Arena out 10 nm-
903 AM PST Tue Jan 12 2021

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 3 AM WEDNESDAY...

* WHAT...Very steep and hazardous seas 16 to 21 feet.

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

* WHEN...Until 3 AM Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Recreational boaters should remain in port. Commercial vessels
should prepare for rough seas and consider remaining in port
until hazardous seas subside.

$$

PZZ450-470-130115-
/O.CON.KEKA.GL.W.0004.000000T0000Z-210113T1100Z/
Pt St George to Cape Mendocino out 10 nm-
Pt St George to Cape Mendocino 10 to 60 nm-
903 AM PST Tue Jan 12 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM WEDNESDAY...

* WHAT...South winds 25 to 35 kt with gusts to 45 kt and seas 19 to 
  24 feet.

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

* WHEN...Until 3 AM Wednesday.

* 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.

$$

PZZ475-130115-
/O.CON.KEKA.SE.W.0006.000000T0000Z-210113T1100Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
903 AM PST Tue Jan 12 2021

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 3 AM WEDNESDAY...

* WHAT...Very steep and hazardous seas 17 to 21 feet.

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

* WHEN...Until 3 AM Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Recreational boaters should remain in port. Commercial vessels
should prepare for rough seas and consider remaining in port
until hazardous seas subside.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 11, 2:03 AM PSTGale WarningEKA49 hr
Jan 11, 2:03 AM PSTHazardous Seas WatchEKA12 hr
Jan 11, 5:42 AM PSTWind AdvisoryEKADel Norte, Humboldt39 hr
Jan 11, 1:24 PM PSTFlood WatchEKADel Norte43 hr
Jan 11, 2:17 PM PSTCoastal Flood AdvisoryEKADel Norte, Humboldt22 hr
Jan 11, 2:17 PM PSTHigh Surf AdvisoryEKADel Norte, Humboldt, Mendocino40 hr
Jan 11, 2:19 PM PSTHazardous Seas WarningEKA37 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.