Alert archive / California / Small Craft Advisories in 2021

Small Craft Advisory 135, NWS Eureka, CA

December 12, 2021

NWS Eureka, CA issued this small craft advisory at Dec 12, 2021, 3:49 PM PST. It took effect at Dec 12, 2021, 4:00 PM PST. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Dec 12, 2021, 3:49 PM PST (23:49 UTC)
In effect from
Dec 12, 2021, 4:00 PM PST
Expired
Dec 12, 2021, 9:00 PM PST
In force
5 hr
Issued by
NWS Eureka, CA

The text

As transmitted.

685 
WHUS76 KEKA 122349
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
349 PM PST Sun Dec 12 2021

PZZ450-130800-
/O.NEW.KEKA.SC.Y.0135.211213T0000Z-211213T0500Z/
/O.NEW.KEKA.GL.W.0057.211213T0500Z-211213T1200Z/
/O.CAN.KEKA.SC.Y.0134.211213T1700Z-211215T2100Z/
Pt St George to Cape Mendocino out 10 nm-
349 PM PST Sun Dec 12 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM PST THIS EVENING...
...GALE WARNING IN EFFECT FROM 9 PM THIS EVENING TO 4 AM PST
MONDAY...

* WHAT...For the Gale Warning, south winds around 25 kt with 
  gusts up to 35 kt and seas 14 to 16 feet expected. For the 
  Small Craft Advisory, south winds 15 to 20 kt with gusts up to 
  30 kt and seas 13 to 15 feet expected.

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

* WHEN...For the Gale Warning, from 9 PM this evening to 4 AM 
  PST Monday. 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.

&&

$$

PZZ470-130800-
/O.NEW.KEKA.SC.Y.0135.211213T0000Z-211213T0300Z/
/O.NEW.KEKA.GL.W.0057.211213T0300Z-211213T1200Z/
/O.CAN.KEKA.SC.Y.0134.211213T1700Z-211215T2100Z/
Pt St George to Cape Mendocino 10 to 60 nm-
349 PM PST Sun Dec 12 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM PST THIS EVENING...
...GALE WARNING IN EFFECT FROM 7 PM THIS EVENING TO 4 AM PST
MONDAY...

* WHAT...For the Gale Warning, south winds 20 to 25 kt with 
  gusts up to 35 kt and seas 15 to 19 feet expected. For the 
  Small Craft Advisory, south winds around 20 kt with gusts up 
  to 25 kt and seas 15 to 17 feet expected.

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

* WHEN...For the Gale Warning, from 7 PM this evening to 4 AM 
  PST Monday. For the Small Craft Advisory, until 7 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.

&&

$$

PZZ455-475-130800-
/O.EXT.KEKA.SC.Y.0134.211213T0000Z-211215T2100Z/
Cape Mendocino to Pt Arena out 10 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
349 PM PST Sun Dec 12 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 PM PST WEDNESDAY...

* WHAT...Southwest winds 15 to 25 kt with gusts up to 35 kt and 
  seas 12 to 17 feet expected.

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

* WHEN...Until 1 PM 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.

&&

$$
1 follow-up statement
612 
WHUS76 KEKA 130438
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
838 PM PST Sun Dec 12 2021

PZZ450-131200-
/O.EXP.KEKA.SC.Y.0135.000000T0000Z-211213T0500Z/
/O.CON.KEKA.GL.W.0057.211213T0500Z-211213T1200Z/
Pt St George to Cape Mendocino out 10 nm-
838 PM PST Sun Dec 12 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 4 AM PST MONDAY...

* WHAT...South winds around 25 kt with gusts up to 35 kt and 
  seas 14 to 16 feet expected.

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

* WHEN...Until 4 AM PST Monday.

* 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.

&&

$$

PZZ470-131200-
/O.CON.KEKA.GL.W.0057.000000T0000Z-211213T1200Z/
Pt St George to Cape Mendocino 10 to 60 nm-
838 PM PST Sun Dec 12 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 4 AM PST MONDAY...

* WHAT...Southwest winds 20 to 25 kt with gusts up to 35 kt and 
  seas 15 to 19 feet.

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

* WHEN...Until 4 AM PST Monday.

* 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.

&&

$$

PZZ455-475-131245-
/O.CON.KEKA.SC.Y.0134.000000T0000Z-211215T2100Z/
Cape Mendocino to Pt Arena out 10 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
838 PM PST Sun Dec 12 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST
WEDNESDAY...

* WHAT...West winds 15 to 25 kt with gusts up to 35 kt and seas 
  12 to 17 feet.

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

* WHEN...Until 1 PM 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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 11, 10:05 PM PSTGale WarningEKA55 min
Dec 11, 10:53 PM PSTWind AdvisoryEKAHumboldt2 hr
Dec 12, 12:51 AM PSTHazardous Seas WarningEKA8 hr
Dec 12, 5:17 AM PSTWinter Storm WarningEKADel Norte, Humboldt, Trinity41 hr
Dec 12, 9:09 AM PSTSmall Craft AdvisoryEKA70 hr
Dec 12, 3:49 PM PSTGale WarningEKA10 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.