Alert archive / California / Small Craft Advisories in 2021

Small Craft Advisory 142, NWS Eureka, CA

December 23, 2021

NWS Eureka, CA issued this small craft advisory at Dec 23, 2021, 3:11 AM PST. It took effect at Dec 24, 2021, 3:00 AM PST. It was in force for .

The area

The counties it named.

The facts

Issued
Dec 23, 2021, 3:11 AM PST (11:11 UTC)
In effect from
Dec 24, 2021, 3:00 AM PST
Expired
Dec 23, 2021, 4:49 AM PST
In force
Issued by
NWS Eureka, CA

The text

As transmitted.

542 
WHUS76 KEKA 231111
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
311 AM PST Thu Dec 23 2021

PZZ450-231915-
/O.CON.KEKA.SC.Y.0140.000000T0000Z-211223T1700Z/
/O.NEW.KEKA.SC.Y.0142.211224T1700Z-211225T1700Z/
Pt St George to Cape Mendocino out 10 nm-
311 AM PST Thu Dec 23 2021

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

* WHAT...For the first Small Craft Advisory, seas 5 to 7 feet. 
  For the second Small Craft Advisory, southwest winds 10 to 20 
  kt with gusts up to 30 kt and seas 10 to 15 feet expected.

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

* WHEN...For the Small Craft Advisory, until 9 AM PST this 
  morning. For the Small Craft Advisory, from 9 AM Friday to 9 
  AM PST Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ455-231915-
/O.CON.KEKA.SC.Y.0140.000000T0000Z-211223T1700Z/
/O.NEW.KEKA.SC.Y.0142.211225T0500Z-211225T1700Z/
Cape Mendocino to Pt Arena out 10 nm-
311 AM PST Thu Dec 23 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST THIS
MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM FRIDAY TO 9 AM PST
SATURDAY...

* WHAT...For the first Small Craft Advisory, seas 5 to 7 feet. 
  For the second Small Craft Advisory, southwest winds 15 to 20 
  kt with gusts up to 25 kt and seas 10 to 15 feet expected.

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

* WHEN...For the Small Craft Advisory, until 9 AM PST this 
  morning. For the Small Craft Advisory, from 9 PM Friday to 9 
  AM PST Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ470-231915-
/O.CON.KEKA.SC.Y.0140.000000T0000Z-211223T1700Z/
/O.NEW.KEKA.SC.Y.0142.211224T1100Z-211225T1700Z/
Pt St George to Cape Mendocino 10 to 60 nm-
311 AM PST Thu Dec 23 2021

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

* WHAT...For the first Small Craft Advisory, seas 6 to 8 feet. 
  For the second Small Craft Advisory, west winds 15 to 25 kt 
  with gusts up to 30 kt and seas 12 to 17 feet expected.

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

* WHEN...For the Small Craft Advisory, until 9 AM PST this 
  morning. For the Small Craft Advisory, from 3 AM Friday to 9 
  AM PST Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ475-231915-
/O.CON.KEKA.SC.Y.0141.000000T0000Z-211223T1700Z/
/O.NEW.KEKA.SC.Y.0142.211224T1700Z-211225T1700Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
311 AM PST Thu Dec 23 2021

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

* WHAT...For the first Small Craft Advisory, southwest winds 10 
  to 15 kt and seas around 7 feet. For the second Small Craft 
  Advisory, west winds 15 to 20 kt with gusts up to 30 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 9 AM PST this 
  morning. For the Small Craft Advisory, from 9 AM Friday to 9 
  AM PST Saturday.

* 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
674 
WHUS76 KEKA 231249
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
449 AM PST Thu Dec 23 2021

PZZ450-232100-
/O.EXT.KEKA.SC.Y.0140.000000T0000Z-211223T2300Z/
/O.CAN.KEKA.SC.Y.0142.211224T1700Z-211225T1700Z/
Pt St George to Cape Mendocino out 10 nm-
449 AM PST Thu Dec 23 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 PM PST THIS
AFTERNOON...

* WHAT...A frontal passage will bring a brief period of gusty NW
  winds to 25 kt across the waters today.

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

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

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ455-232100-
/O.EXT.KEKA.SC.Y.0140.000000T0000Z-211224T1100Z/
/O.CAN.KEKA.SC.Y.0142.211225T0500Z-211225T1700Z/
Cape Mendocino to Pt Arena out 10 nm-
449 AM PST Thu Dec 23 2021

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

* WHAT...Northwest winds 10 to 20 kt with gusts up to 25 kt and 
  seas 6 to 9 feet.

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

* WHEN...Until 3 AM PST Friday. Northerly winds develop late this
  morning to early this afternoon behind a frontal passage. 

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ470-232100-
/O.EXT.KEKA.SC.Y.0140.000000T0000Z-211223T2300Z/
/O.CAN.KEKA.SC.Y.0142.211224T1100Z-211225T1700Z/
Pt St George to Cape Mendocino 10 to 60 nm-
449 AM PST Thu Dec 23 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 PM PST THIS
AFTERNOON...

* WHAT...Northwest winds 10 to 15 kt with gusts to 25 kt and seas
  5 to 8 feet.

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

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

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ475-232100-
/O.EXT.KEKA.SC.Y.0141.000000T0000Z-211224T1100Z/
/O.CAN.KEKA.SC.Y.0142.211224T1700Z-211225T1700Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
449 AM PST Thu Dec 23 2021

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

* WHAT...Northwest winds 10 to 20 kt with gusts up to 25 kt and 
  seas 6 to 11 feet.

* WHERE...Cape Mendocino to Pt Arena 10 to 60 nm. Northerly winds
  develop late this morning to early this afternoon behind a
  frontal passage. 

* WHEN...Until 3 AM PST Friday.

* 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 23, 2:10 AM PSTWinter Storm WatchEKADel Norte, Humboldt, Lake, Mendocino, Trinity11 hr
Dec 23, 1:17 PM PSTWinter Storm WarningEKADel Norte, Humboldt, Lake, Mendocino, Trinity4 days
Dec 23, 3:03 PM PSTSmall Craft AdvisoryEKA5 days

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.