Alert archive / California / Small Craft Advisories in 2021

Small Craft Advisory 34, NWS Eureka, CA

March 20, 2021

NWS Eureka, CA issued this small craft advisory at Mar 20, 2021, 1:57 PM PDT. It took effect at Mar 20, 2021, 7:00 PM PDT. It was in force for 32 hr.

The area

The counties it named.

The facts

Issued
Mar 20, 2021, 1:57 PM PDT (20:57 UTC)
In effect from
Mar 20, 2021, 7:00 PM PDT
Expired
Mar 22, 2021, 3:10 AM PDT
In force
32 hr
Issued by
NWS Eureka, CA

The text

As transmitted.

527 
WHUS76 KEKA 202057
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
157 PM PDT Sat Mar 20 2021

PZZ455-210500-
/O.NEW.KEKA.SC.Y.0034.210321T1100Z-210322T1100Z/
Cape Mendocino to Pt Arena out 10 nm-
157 PM PDT Sat Mar 20 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM SUNDAY TO 4 AM PDT
MONDAY...

* WHAT...North winds 15 to 25 kt with gusts up to 35 kt and seas 
  6 to 9 feet expected.

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

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

&&

$$

PZZ470-210500-
/O.NEW.KEKA.SC.Y.0034.210321T0800Z-210322T0500Z/
Pt St George to Cape Mendocino 10 to 60 nm-
157 PM PDT Sat Mar 20 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM TO 10 PM PDT SUNDAY...

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

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

* WHEN...From 1 AM to 10 PM PDT Sunday.

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


PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ475-210500-
/O.NEW.KEKA.SC.Y.0034.210321T0200Z-210322T1400Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
157 PM PDT Sat Mar 20 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 7 AM
PDT MONDAY...

* WHAT...North winds 15 to 25 kt with gusts up to 35 kt and seas 
  7 to 9 feet expected.

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

* WHEN...From 7 PM this evening to 7 AM PDT 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.

&&

$$
6 follow-up statements
097 
WHUS76 KEKA 210332
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
832 PM PDT Sat Mar 20 2021

PZZ450-211145-
/O.EXB.KEKA.SC.Y.0034.210321T0700Z-210322T0100Z/
Pt St George to Cape Mendocino out 10 nm-
832 PM PDT Sat Mar 20 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM
PDT SUNDAY...

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

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

* WHEN...From midnight tonight to 6 PM PDT Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ455-211145-
/O.EXT.KEKA.SC.Y.0034.210321T0400Z-210322T1400Z/
Cape Mendocino to Pt Arena out 10 nm-
832 PM PDT Sat Mar 20 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 AM PDT MONDAY...

* WHAT...North winds 15 to 25 kt with gusts up to 35 kt and seas 
  6 to 9 feet expected.

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

* WHEN...Until 7 AM PDT 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.

&&

$$

PZZ470-211145-
/O.EXT.KEKA.SC.Y.0034.210321T0400Z-210322T0500Z/
Pt St George to Cape Mendocino 10 to 60 nm-
832 PM PDT Sat Mar 20 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 PM PDT SUNDAY...

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

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

* WHEN...Until 10 PM PDT Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ475-211145-
/O.CON.KEKA.SC.Y.0034.000000T0000Z-210322T1400Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
832 PM PDT Sat Mar 20 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM PDT MONDAY...

* WHAT...North winds 15 to 25 kt with gusts up to 35 kt and seas 
  7 to 9 feet.

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

* WHEN...Until 7 AM PDT 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.

&&

$$
853 
WHUS76 KEKA 210942
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
242 AM PDT Sun Mar 21 2021

PZZ450-211745-
/O.CON.KEKA.SC.Y.0034.000000T0000Z-210322T0100Z/
Pt St George to Cape Mendocino out 10 nm-
242 AM PDT Sun Mar 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM PDT THIS
EVENING...

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

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

* WHEN...Until 6 PM PDT 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.

&&

$$

PZZ455-211745-
/O.CON.KEKA.SC.Y.0034.000000T0000Z-210322T1400Z/
Cape Mendocino to Pt Arena out 10 nm-
242 AM PDT Sun Mar 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM PDT MONDAY...

* WHAT...North winds 20 to 30 kt with gusts up to 35 kt and seas 
  6 to 9 feet.

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

* WHEN...Until 7 AM PDT 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.

&&

$$

PZZ470-211745-
/O.CON.KEKA.SC.Y.0034.000000T0000Z-210322T0500Z/
Pt St George to Cape Mendocino 10 to 60 nm-
242 AM PDT Sun Mar 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS
EVENING...

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

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

* WHEN...Until 10 PM PDT 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.

&&

$$

PZZ475-211745-
/O.CON.KEKA.SC.Y.0034.000000T0000Z-210322T1400Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
242 AM PDT Sun Mar 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM PDT MONDAY...

* WHAT...North winds 15 to 25 kt with gusts up to 35 kt and seas 
  6 to 9 feet.

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

* WHEN...Until 7 AM PDT 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.

&&

$$
882 
WHUS76 KEKA 211500
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
800 AM PDT Sun Mar 21 2021

PZZ450-212300-
/O.CON.KEKA.SC.Y.0034.000000T0000Z-210322T0100Z/
Pt St George to Cape Mendocino out 10 nm-
800 AM PDT Sun Mar 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM PDT THIS
EVENING...

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

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

* WHEN...Until 6 PM PDT 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.

&&

$$

PZZ455-212300-
/O.CON.KEKA.SC.Y.0034.000000T0000Z-210322T1400Z/
Cape Mendocino to Pt Arena out 10 nm-
800 AM PDT Sun Mar 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM PDT MONDAY...

* WHAT...North winds 20 to 30 kt with gusts up to 35 kt and seas 
  6 to 9 feet.

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

* WHEN...Until 7 AM PDT 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.

&&

$$

PZZ470-212300-
/O.CON.KEKA.SC.Y.0034.000000T0000Z-210322T0500Z/
Pt St George to Cape Mendocino 10 to 60 nm-
800 AM PDT Sun Mar 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS
EVENING...

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

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

* WHEN...Until 10 PM PDT 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.

&&

$$

PZZ475-212300-
/O.CON.KEKA.SC.Y.0034.000000T0000Z-210322T1400Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
800 AM PDT Sun Mar 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM PDT MONDAY...

* WHAT...North winds 15 to 25 kt with gusts up to 35 kt and seas 
  6 to 9 feet.

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

* WHEN...Until 7 AM PDT 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.

&&

$$
091 
WHUS76 KEKA 212109
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
209 PM PDT Sun Mar 21 2021

PZZ450-212215-
/O.CAN.KEKA.SC.Y.0034.000000T0000Z-210322T0100Z/
Pt St George to Cape Mendocino out 10 nm-
209 PM PDT Sun Mar 21 2021

...SMALL CRAFT ADVISORY IS CANCELLED...


$$

PZZ455-220515-
/O.EXT.KEKA.SC.Y.0034.000000T0000Z-210322T1100Z/
Cape Mendocino to Pt Arena out 10 nm-
209 PM PDT Sun Mar 21 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 AM PDT MONDAY...

* WHAT...Northwest winds 20 to 30 kt with gusts up to 35 kt and 
  seas 6 to 9 feet.

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

* WHEN...Until 4 AM PDT 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.

&&

$$

PZZ470-220300-
/O.EXT.KEKA.SC.Y.0034.000000T0000Z-210322T0300Z/
Pt St George to Cape Mendocino 10 to 60 nm-
209 PM PDT Sun Mar 21 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 PM PDT THIS
EVENING...

* WHAT...Northwest winds 15 to 20 kt with gusts up to 25 kt and 
  seas 6 to 8 feet.

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

* WHEN...Until 8 PM PDT 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.

&&

$$

PZZ475-220515-
/O.CON.KEKA.SC.Y.0034.000000T0000Z-210322T1400Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
209 PM PDT Sun Mar 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM PDT MONDAY...

* WHAT...North winds 15 to 25 kt with gusts up to 35 kt and seas 
  6 to 9 feet.

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

* WHEN...Until 7 AM PDT 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.

&&

$$
611 
WHUS76 KEKA 220405
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
905 PM PDT Sun Mar 21 2021

PZZ455-221100-
/O.CON.KEKA.SC.Y.0034.000000T0000Z-210322T1100Z/
Cape Mendocino to Pt Arena out 10 nm-
905 PM PDT Sun Mar 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM MONDAY...

* WHAT...North winds 15 to 25 kt with gusts to 30 kt and seas 6 
  to 9 feet.

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

* WHEN...Until 4 AM 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.

$$

PZZ475-221215-
/O.CON.KEKA.SC.Y.0034.000000T0000Z-210322T1400Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
905 PM PDT Sun Mar 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM MONDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts to 30 kt and seas
  6 to 9 feet.

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

* WHEN...Until 7 AM 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.

$$
284 
WHUS76 KEKA 221010
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
310 AM PDT Mon Mar 22 2021

PZZ475-221815-
/O.CAN.KEKA.SC.Y.0034.000000T0000Z-210322T1400Z/
/O.NEW.KEKA.SC.Y.0035.210323T0400Z-210323T1500Z/
/O.NEW.KEKA.GL.A.0015.210323T1500Z-210324T2200Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
310 AM PDT Mon Mar 22 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 8 AM
PDT TUESDAY...
...GALE WATCH IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY
AFTERNOON...


* WHAT...For the Small Craft Advisory, north winds 20 to 25 kt 
  with gusts up to 35 kt and seas 10 to 11 feet expected. For 
  the Gale Watch, north winds 20 to 30 kt with gusts up to 40 kt 
  and seas 10 to 14 feet possible.

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

* WHEN...For the Small Craft Advisory, from 9 PM this evening to 
  8 AM PDT Tuesday. For the Gale Watch, from Tuesday morning 
  through Wednesday 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.

&&

$$

PZZ455-221815-
/O.CAN.KEKA.SC.Y.0034.000000T0000Z-210322T1100Z/
/O.NEW.KEKA.SC.Y.0035.210323T0400Z-210325T0600Z/
Cape Mendocino to Pt Arena out 10 nm-
310 AM PDT Mon Mar 22 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 11 PM
PDT WEDNESDAY...


* WHAT...North winds 15 to 25 kt with gusts up to 35 kt and seas 
  7 to 10 feet expected.

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

* WHEN...From 9 PM this evening to 11 PM PDT 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.

&&

$$

PZZ470-221815-
/O.NEW.KEKA.SC.Y.0035.210323T0400Z-210323T1500Z/
/O.NEW.KEKA.GL.A.0015.210323T1500Z-210324T1700Z/
Pt St George to Cape Mendocino 10 to 60 nm-
310 AM PDT Mon Mar 22 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 8 AM
PDT TUESDAY...
...GALE WATCH IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY
MORNING...

* WHAT...For the Small Craft Advisory, north winds 20 to 25 kt 
  with gusts up to 30 kt and seas 10 to 11 feet expected. For 
  the Gale Watch, north winds 25 to 35 kt with gusts up to 40 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, from 9 PM this evening to 
  8 AM PDT Tuesday. For the Gale Watch, from Tuesday morning 
  through Wednesday 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.

&&

$$

PZZ450-221815-
/O.NEW.KEKA.SC.Y.0035.210323T0400Z-210325T0600Z/
Pt St George to Cape Mendocino out 10 nm-
310 AM PDT Mon Mar 22 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 11 PM
PDT WEDNESDAY...

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

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

* WHEN...From 9 PM this evening to 11 PM PDT 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
Mar 20, 2:30 PM PDTFrost AdvisoryEKADel Norte, Humboldt18 hr
Mar 20, 2:30 PM PDTFreeze WarningEKAMendocino18 hr
Mar 20, 2:30 PM PDTHard Freeze WarningEKALake, Mendocino18 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.