Alert archive / California / Small Craft Advisories in 2021

Small Craft Advisory 146, NWS Eureka, CA

December 30, 2021

NWS Eureka, CA issued this small craft advisory at Dec 30, 2021, 2:34 PM PST. It took effect at Dec 30, 2021, 6:00 PM PST. It was in force for 33 hr.

The area

The counties it named.

The facts

Issued: Dec 30, 2021, 2:34 PM PST (22:34 UTC)
In effect from: Dec 30, 2021, 6:00 PM PST
Expired: Jan 1, 2022, 3:00 AM PST
In force: 33 hr
Issued by: NWS Eureka, CA

The text

As transmitted.

100 
WHUS76 KEKA 302234
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
234 PM PST Thu Dec 30 2021

PZZ475-310645-
/O.CAN.KEKA.SC.Y.0144.000000T0000Z-211231T0200Z/
/O.NEW.KEKA.SC.Y.0146.211231T0500Z-220101T0500Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
234 PM PST Thu Dec 30 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 9 PM 
FRIDAY...


* WHAT...Northwest winds 15 to 20 kt with gusts to 25 kt and seas 6 
  to 11 feet expected.

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

* WHEN...From 9 PM this evening to 9 PM 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.

$$

PZZ470-310645-
/O.NEW.KEKA.SC.Y.0146.211231T0200Z-211231T2300Z/
Pt St George to Cape Mendocino 10 to 60 nm-
234 PM PST Thu Dec 30 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 3 PM
FRIDAY...

* WHAT...Northwest winds 10 to 20 kt with gusts to 25 kt and seas 7 
  to 11 feet expected.

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

* WHEN...From 6 PM this evening to 3 PM 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.

$$

6 follow-up statements

154 
WHUS76 KEKA 310450
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
850 PM PST Thu Dec 30 2021

PZZ470-311300-
/O.CON.KEKA.SC.Y.0146.000000T0000Z-211231T2300Z/
Pt St George to Cape Mendocino 10 to 60 nm-
850 PM PST Thu Dec 30 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST FRIDAY...

* WHAT...Northwest winds 15 to 20 kt with gusts up to 25 kt and 
  seas 9 to 12 feet.

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

* WHEN...Until 3 PM PST Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ475-311300-
/O.CON.KEKA.SC.Y.0146.211231T0500Z-220101T0500Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
850 PM PST Thu Dec 30 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PST FRIDAY...

* WHAT...Northwest winds 15 to 20 kt with gusts up to 25 kt and 
  seas 8 to 12 feet expected.

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

* WHEN...Until 9 PM PST Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

832 
WHUS76 KEKA 311057
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
257 AM PST Fri Dec 31 2021

PZZ470-311900-
/O.CON.KEKA.SC.Y.0146.000000T0000Z-211231T2300Z/
Pt St George to Cape Mendocino 10 to 60 nm-
257 AM PST Fri Dec 31 2021

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

* WHAT...Northwest winds 15 to 20 kt with gusts up to 25 kt and 
  seas 9 to 11 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.

&&

$$

PZZ475-311900-
/O.CON.KEKA.SC.Y.0146.000000T0000Z-220101T0500Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
257 AM PST Fri Dec 31 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PST THIS
EVENING...

* WHAT...Northwest winds around 20 kt with gusts up to 25 kt and 
  seas 7 to 10 feet.

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

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

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

594 
WHUS76 KEKA 311701
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
901 AM PST Fri Dec 31 2021

PZZ455-010115-
/O.EXA.KEKA.SC.Y.0146.000000T0000Z-220101T0500Z/
Cape Mendocino to Pt Arena out 10 nm-
901 AM PST Fri Dec 31 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM PST THIS EVENING...

* WHAT...North winds 15 to 20 kt. Gusts to 25 kt around Cape
  Mendocino and Pt Arena this afternoon and evening. Seas 8 to 10
  feet.

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

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

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


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ470-010115-
/O.EXT.KEKA.SC.Y.0146.000000T0000Z-220101T0500Z/
Pt St George to Cape Mendocino 10 to 60 nm-
901 AM PST Fri Dec 31 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 PM PST THIS
EVENING...

* WHAT...Northwest winds 15 to 20 kt with gusts up to 25 kt and 
  seas 9 to 11 feet.

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

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

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ475-010115-
/O.EXT.KEKA.SC.Y.0146.000000T0000Z-220101T1100Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
901 AM PST Fri Dec 31 2021

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

* WHAT...North winds 15 to 20 kt with gusts up to 25 kt and seas 
  9 to 10 feet.

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

* WHEN...Until 3 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.

&&

$$

358 
WHUS76 KEKA 312233
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
233 PM PST Fri Dec 31 2021

PZZ450-010645-
/O.EXA.KEKA.SC.Y.0146.000000T0000Z-220101T0500Z/
/O.NEW.KEKA.GL.A.0046.220103T0500Z-220103T2100Z/
Pt St George to Cape Mendocino out 10 nm-
233 PM PST Fri Dec 31 2021

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

* WHAT...For the Small Craft Advisory, north winds 10 to 20 kt
  with gusts up to 25 kt and seas 9 to 11 feet. For the Gale
  Watch, south winds 20 to 30 kt with gusts up to 40 kt and seas
  10 to 14 feet possible. Local gusts approaching 50 kt possible
  near Pt St George around Monday morning. 

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

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

&&

$$

PZZ470-010645-
/O.CON.KEKA.SC.Y.0146.000000T0000Z-220101T0500Z/
/O.NEW.KEKA.GL.A.0046.220102T2100Z-220103T2100Z/
Pt St George to Cape Mendocino 10 to 60 nm-
233 PM PST Fri Dec 31 2021

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

* WHAT...For the Small Craft Advisory, north winds 15 to 20 kt
  with gusts up to 25 kt and seas 10 to 11 feet. For the Gale
  Watch, south winds 30 to 40 kt with local gusts up to 50 kt and
  seas 13 to 16 feet possible.

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

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

&&

$$

PZZ455-010500-
/O.CON.KEKA.SC.Y.0146.000000T0000Z-220101T0500Z/
Cape Mendocino to Pt Arena out 10 nm-
233 PM PST Fri Dec 31 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PST THIS
EVENING...

* WHAT...North winds 15 to 20 kt with gusts up to 25 kt and seas 
  8 to 10 feet.

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

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

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ475-010645-
/O.CON.KEKA.SC.Y.0146.000000T0000Z-220101T1100Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
233 PM PST Fri Dec 31 2021

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

* WHAT...North winds 15 to 20 kt with gusts up to 25 kt and seas 
  9 to 10 feet.

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

* WHEN...Until 3 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.

&&

$$

527 
WHUS76 KEKA 010446
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
846 PM PST Fri Dec 31 2021

PZZ450-011300-
/O.EXP.KEKA.SC.Y.0146.000000T0000Z-220101T0500Z/
/O.CON.KEKA.GL.A.0046.220103T0500Z-220103T2100Z/
Pt St George to Cape Mendocino out 10 nm-
846 PM PST Fri Dec 31 2021

...GALE WATCH REMAINS IN EFFECT FROM SUNDAY EVENING THROUGH
MONDAY AFTERNOON...

* WHAT...South winds 20 to 30 kt with gusts up to 40 kt and seas 
  6 to 11 feet possible.

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

* WHEN...From Sunday evening through Monday 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.

&&

$$

PZZ470-011300-
/O.EXP.KEKA.SC.Y.0146.000000T0000Z-220101T0500Z/
/O.CON.KEKA.GL.A.0046.220102T2100Z-220103T2100Z/
Pt St George to Cape Mendocino 10 to 60 nm-
846 PM PST Fri Dec 31 2021

...GALE WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH
MONDAY AFTERNOON...

* WHAT...South winds 30 to 40 kt with gusts up to 50 kt and seas 
  11 to 16 feet possible.

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

* WHEN...From Sunday afternoon through Monday 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.

&&

$$

PZZ455-010600-
/O.EXP.KEKA.SC.Y.0146.000000T0000Z-220101T0500Z/
Cape Mendocino to Pt Arena out 10 nm-
846 PM PST Fri Dec 31 2021


$$

PZZ475-011100-
/O.CON.KEKA.SC.Y.0146.000000T0000Z-220101T1100Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
846 PM PST Fri Dec 31 2021

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

* WHAT...North winds 15 to 20 kt with gusts up to 25 kt and seas 
  9 to 10 feet.

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

* WHEN...Until 3 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.

&&

$$

359 
WHUS76 KEKA 011041
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
241 AM PST Sat Jan 1 2022

PZZ475-011845-
/O.EXP.KEKA.SC.Y.0146.000000T0000Z-220101T1100Z/
/O.NEW.KEKA.SC.Y.0001.220102T1800Z-220104T0000Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
241 AM PST Sat Jan 1 2022

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM SUNDAY TO 4 PM PST
MONDAY...


* WHAT...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 10 to 60 nm.

* WHEN...From 10 AM Sunday to 4 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.

&&

$$

PZZ470-011845-
/O.UPG.KEKA.GL.A.0046.220102T2100Z-220103T2100Z/
/O.NEW.KEKA.GL.W.0001.220102T2000Z-220103T2100Z/
Pt St George to Cape Mendocino 10 to 60 nm-
241 AM PST Sat Jan 1 2022

...GALE WARNING IN EFFECT FROM NOON SUNDAY TO 1 PM PST MONDAY...

* WHAT...South winds 30 to 40 kt with gusts up to 50 kt and seas 
  10 to 15 feet expected.

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

* WHEN...From noon Sunday to 1 PM 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.

&&

$$

PZZ455-011845-
/O.NEW.KEKA.SC.Y.0001.220103T0000Z-220104T0000Z/
Cape Mendocino to Pt Arena out 10 nm-
241 AM PST Sat Jan 1 2022

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM SUNDAY TO 4 PM PST
MONDAY...

* WHAT...South winds 20 to 30 kt with gusts up to 40 kt and seas 
  7 to 12 feet expected.

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

* WHEN...From 4 PM Sunday to 4 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.

&&

$$

PZZ450-011845-
/O.CON.KEKA.GL.A.0046.220103T0500Z-220103T2100Z/
Pt St George to Cape Mendocino out 10 nm-
241 AM PST Sat Jan 1 2022

...GALE WATCH REMAINS IN EFFECT FROM SUNDAY EVENING THROUGH
MONDAY AFTERNOON...

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

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

* WHEN...From Sunday evening through Monday 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.

&&

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 30, 9:06 AM PST	Small Craft Advisory	EKA		3 hr
Dec 30, 1:23 PM PST	Coastal Flood Advisory	EKA	Humboldt	22 hr

Nearby

Small Craft Advisories in California, 2021 Every 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.