Alert archive / California / Small Craft Advisories in 2021

Small Craft Advisory 36, NWS Eureka, CA

March 24, 2021

NWS Eureka, CA issued this small craft advisory at Mar 24, 2021, 2:13 PM PDT. It took effect at Mar 25, 2021, 2:00 AM PDT. It was in force for 16 hr.

The area

The counties it named.

The facts

Issued
Mar 24, 2021, 2:13 PM PDT (21:13 UTC)
In effect from
Mar 25, 2021, 2:00 AM PDT
Expired
Mar 25, 2021, 6:00 PM PDT
In force
16 hr
Issued by
NWS Eureka, CA

The text

As transmitted.

929 
WHUS76 KEKA 242113
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
213 PM PDT Wed Mar 24 2021

PZZ450-250515-
/O.NEW.KEKA.SC.Y.0036.210325T0900Z-210325T2100Z/
/O.EXB.KEKA.GL.A.0016.210325T2100Z-210326T0600Z/
Pt St George to Cape Mendocino out 10 nm-
213 PM PDT Wed Mar 24 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM TO 2 PM PDT
THURSDAY...
...GALE WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY
EVENING...

* WHAT...For the Small Craft Advisory, north winds 15 to 20 kt 
  with gusts up to 30 kt and seas 6 to 11 feet expected. For the 
  Gale Watch, north winds 20 to 30 kt with gusts up to 35 kt and 
  seas 9 to 13 feet possible.

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

* WHEN...For the Small Craft Advisory, from 2 AM to 2 PM PDT 
  Thursday. For the Gale Watch, from Thursday afternoon through 
  Thursday evening.

* 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.

&&

$$

PZZ470-250515-
/O.EXT.KEKA.SC.Y.0035.000000T0000Z-210325T2100Z/
/O.EXA.KEKA.GL.A.0016.210325T2100Z-210326T1200Z/
Pt St George to Cape Mendocino 10 to 60 nm-
213 PM PDT Wed Mar 24 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 PM PDT THURSDAY...
...GALE WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH LATE
THURSDAY NIGHT...

* WHAT...For the Small Craft Advisory, northwest winds 15 to 25 
  kt with gusts up to 30 kt and seas 6 to 11 feet. For the Gale 
  Watch, north winds 20 to 30 kt with gusts up to 40 kt and seas 
  12 to 14 feet possible.

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

* WHEN...For the Small Craft Advisory, until 2 PM PDT Thursday. 
  For the Gale Watch, from Thursday afternoon through late 
  Thursday night.

* 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.

&&

$$

PZZ455-250515-
/O.EXT.KEKA.SC.Y.0035.000000T0000Z-210325T2100Z/
/O.EXB.KEKA.GL.A.0016.210325T2100Z-210326T0600Z/
Cape Mendocino to Pt Arena out 10 nm-
213 PM PDT Wed Mar 24 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 PM PDT THURSDAY...
...GALE WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY
EVENING...

* WHAT...For the Small Craft Advisory, northwest winds 15 to 25 
  kt with gusts up to 35 kt and seas 6 to 9 feet. For the Gale 
  Watch, northwest winds 20 to 30 kt with gusts up to 40 kt and 
  seas 9 to 13 feet possible.

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

* WHEN...For the Small Craft Advisory, until 2 PM PDT Thursday. 
  For the Gale Watch, from Thursday afternoon through Thursday 
  evening.

* 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.

&&

$$

PZZ475-250515-
/O.CON.KEKA.SC.Y.0035.000000T0000Z-210325T2100Z/
/O.CON.KEKA.GL.A.0016.210325T2100Z-210326T1200Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
213 PM PDT Wed Mar 24 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM PDT
THURSDAY...
...GALE WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON THROUGH
LATE THURSDAY NIGHT...

* WHAT...For the Small Craft Advisory, northwest winds 20 to 25 
  kt with gusts up to 35 kt and seas 8 to 11 feet. For the Gale 
  Watch, north winds 25 to 30 kt with gusts up to 40 kt and seas 
  11 to 14 feet possible.

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

* WHEN...For the Small Craft Advisory, until 2 PM PDT Thursday. 
  For the Gale Watch, from Thursday afternoon through late 
  Thursday night.

* 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.

&&

$$
4 follow-up statements
391 
WHUS76 KEKA 250423
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
923 PM PDT Wed Mar 24 2021

PZZ470-475-251230-
/O.CON.KEKA.SC.Y.0035.000000T0000Z-210325T2100Z/
/O.CON.KEKA.GL.A.0016.210325T2100Z-210326T1200Z/
Pt St George to Cape Mendocino 10 to 60 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
923 PM PDT Wed Mar 24 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM THURSDAY...
...GALE WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON THROUGH 
LATE THURSDAY NIGHT...

* WHAT...For the Small Craft Advisory, north winds 20 to 25 kt with
  occasional gusts to 35 kt and seas 7 to 11 feet. For the Gale
  Watch, north winds 25 to 30 kt with gusts to 40 kt and seas 11 to 
  14 feet possible.

* WHERE...Pt St George to Pt Arena out 10 to 60 nm.

* WHEN...For the Small Craft Advisory, until 2 PM Thursday. For the 
  Gale Watch, from Thursday afternoon through late Thursday night.

* 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.

$$

PZZ455-251230-
/O.CON.KEKA.SC.Y.0035.000000T0000Z-210325T2100Z/
/O.CON.KEKA.GL.A.0016.210325T2100Z-210326T0600Z/
Cape Mendocino to Pt Arena out 10 nm-
923 PM PDT Wed Mar 24 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM THURSDAY... 
...GALE WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON THROUGH 
THURSDAY EVENING...

* WHAT...For the Small Craft Advisory, northwest winds 15 to 25 kt
  with gusts to 30 kt and seas 6 to 9 feet. For the Gale Watch,
  northwest winds 20 to 30 kt with gusts to 40 kt and seas 9 to 13 
  feet possible.

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

* WHEN...For the Small Craft Advisory, until 2 PM Thursday. For the 
  Gale Watch, from Thursday afternoon through Thursday evening.

* 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.

$$

PZZ450-251230-
/O.CON.KEKA.SC.Y.0036.210325T0900Z-210325T2100Z/
/O.CON.KEKA.GL.A.0016.210325T2100Z-210326T0600Z/
Pt St George to Cape Mendocino out 10 nm-
923 PM PDT Wed Mar 24 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 AM TO 2 PM 
THURSDAY...
...GALE WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON THROUGH 
THURSDAY EVENING...

* WHAT...For the Small Craft Advisory, north winds 15 to 20 kt with
  gusts to 30 kt and seas 6 to 11 feet expected. For the Gale Watch,
  north winds 20 to 30 kt with gusts to 35 kt and seas 9 to 13 feet 
  possible.

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

* WHEN...For the Small Craft Advisory, from 2 AM to 2 PM Thursday. 
  For the Gale Watch, from Thursday afternoon through Thursday 
  evening.

* 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.

$$
817 
WHUS76 KEKA 250905
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
205 AM PDT Thu Mar 25 2021

PZZ450-251715-
/O.EXT.KEKA.SC.Y.0036.000000T0000Z-210325T2200Z/
/O.UPG.KEKA.GL.A.0016.210325T2100Z-210326T0600Z/
/O.NEW.KEKA.GL.W.0019.210325T2200Z-210326T1000Z/
Pt St George to Cape Mendocino out 10 nm-
205 AM PDT Thu Mar 25 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 PM PDT THIS
AFTERNOON...
...GALE WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO 3 AM PDT
FRIDAY...

* WHAT...For the Gale Warning, north winds 20 to 30 kt with gusts 
  to 35 kt and seas 10 to 13 feet expected. For the Small Craft 
  Advisory, north winds 15 to 20 kt with gusts up to 30 kt and 
  seas 7 to 10 feet expected.

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

* WHEN...For the Gale Warning, from 3 PM this afternoon to 3 AM 
  PDT Friday. For the Small Craft Advisory, until 3 PM PDT 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.

&&

$$

PZZ470-475-251715-
/O.EXT.KEKA.SC.Y.0035.000000T0000Z-210325T2200Z/
/O.UPG.KEKA.GL.A.0016.210325T2100Z-210326T1200Z/
/O.NEW.KEKA.GL.W.0019.210325T2200Z-210326T1000Z/
Pt St George to Cape Mendocino 10 to 60 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
205 AM PDT Thu Mar 25 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 PM PDT THIS
AFTERNOON...
...GALE WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO 3 AM PDT
FRIDAY...

* WHAT...For the Gale Warning, north winds 25 to 30 kt with gusts
  up to 40 kt and seas 12 to 14 feet expected. For the Small Craft
  Advisory, north winds 20 to 25 kt with gusts up to 35 kt and 
  seas 7 to 12 feet.

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

* WHEN...For the Gale Warning, from 3 PM this afternoon to 3 AM 
  PDT Friday. For the Small Craft Advisory, until 3 PM PDT 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.

&&

$$

PZZ455-251715-
/O.EXT.KEKA.SC.Y.0035.000000T0000Z-210325T2200Z/
/O.UPG.KEKA.GL.A.0016.210325T2100Z-210326T0600Z/
/O.NEW.KEKA.GL.W.0019.210325T2200Z-210326T1000Z/
Cape Mendocino to Pt Arena out 10 nm-
205 AM PDT Thu Mar 25 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 PM PDT THIS
AFTERNOON...
...GALE WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO 3 AM PDT
FRIDAY...

* WHAT...For the Gale Warning, north winds 20 to 30 kt with gusts
  up to 40 kt and seas 9 to 13 feet expected. For the Small Craft
  Advisory, north winds 15 to 25 kt with localized gusts up to 35
  kt and seas 6 to 11 feet.

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

* WHEN...For the Gale Warning, from 3 PM this afternoon to 3 AM 
  PDT Friday. For the Small Craft Advisory, until 3 PM PDT 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.

&&

$$
615 
WHUS76 KEKA 251535
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
835 AM PDT Thu Mar 25 2021

PZZ450-252345-
/O.CON.KEKA.SC.Y.0036.000000T0000Z-210325T2200Z/
/O.CON.KEKA.GL.W.0019.210325T2200Z-210326T1000Z/
Pt St George to Cape Mendocino out 10 nm-
835 AM PDT Thu Mar 25 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT THIS
AFTERNOON...
...GALE WARNING REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO
3 AM PDT FRIDAY...

* WHAT...For the Gale Warning, north winds 20 to 30 kt with gusts
  to 35 kt and seas 10 to 13 feet expected. For the Small Craft
  Advisory, north winds 15 to 20 kt with gusts up to 30 kt and
  seas 7 to 10 feet.

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

* WHEN...For the Gale Warning, from 3 PM this afternoon to 3 AM 
  PDT Friday. For the Small Craft Advisory, until 3 PM PDT 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.

&&

$$

PZZ455-470-475-252345-
/O.CON.KEKA.SC.Y.0035.000000T0000Z-210325T2200Z/
/O.CON.KEKA.GL.W.0019.210325T2200Z-210326T1000Z/
Cape Mendocino to Pt Arena out 10 nm-
Pt St George to Cape Mendocino 10 to 60 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
835 AM PDT Thu Mar 25 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT THIS
AFTERNOON...
...GALE WARNING REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO
3 AM PDT FRIDAY...

* WHAT...For the Gale Warning, north winds 25 to 30 kt with 
  gusts up to 40 kt and seas 12 to 14 feet expected. For the 
  Small Craft Advisory, north winds 20 to 25 kt with gusts up to 
  35 kt and seas 7 to 12 feet.

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

* WHEN...For the Gale Warning, from 3 PM this afternoon to 3 AM 
  PDT Friday. For the Small Craft Advisory, until 3 PM PDT 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.

&&

$$
662 
WHUS76 KEKA 252138
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
238 PM PDT Thu Mar 25 2021

PZZ455-260545-
/O.EXP.KEKA.SC.Y.0035.000000T0000Z-210325T2200Z/
/O.CON.KEKA.GL.W.0019.210325T2200Z-210326T1000Z/
Cape Mendocino to Pt Arena out 10 nm-
238 PM PDT Thu Mar 25 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PDT FRIDAY...
...SMALL CRAFT ADVISORY WILL EXPIRE AT 3 PM PDT THIS AFTERNOON...

* WHAT...North winds 20 to 30 kt with gusts up to 40 kt and seas 9
  to 13 feet.

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

* WHEN...Until 3 AM PDT Friday.

* 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.

&&

$$

PZZ475-260545-
/O.EXP.KEKA.SC.Y.0035.000000T0000Z-210325T2200Z/
/O.EXT.KEKA.GL.W.0019.210325T2200Z-210326T1300Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
238 PM PDT Thu Mar 25 2021

...GALE WARNING NOW IN EFFECT UNTIL 6 AM PDT FRIDAY...
...SMALL CRAFT ADVISORY WILL EXPIRE AT 3 PM PDT THIS AFTERNOON...

* WHAT...North winds 25 to 30 kt with gusts up to 40 kt and seas
  12 to 14 feet.

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

* WHEN...Until 6 AM PDT Friday.

* 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.

&&

$$

PZZ450-260545-
/O.EXT.KEKA.SC.Y.0036.000000T0000Z-210326T0100Z/
/O.EXT.KEKA.GL.W.0019.210326T0100Z-210326T1000Z/
Pt St George to Cape Mendocino out 10 nm-
238 PM PDT Thu Mar 25 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 PM PDT THIS
EVENING...
...GALE WARNING NOW IN EFFECT FROM 6 PM THIS EVENING TO 3 AM PDT
FRIDAY...

* WHAT...For the Gale Warning, north winds 20 to 30 kt with gusts
  up to 35 kt and seas 10 to 12 feet expected. For the Small Craft
  Advisory, north winds 20 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 6 PM this evening to 3 AM 
  PDT Friday. For the Small Craft Advisory, until 6 PM PDT 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.

&&

$$

PZZ470-260545-
/O.EXT.KEKA.SC.Y.0035.000000T0000Z-210326T0100Z/
/O.EXT.KEKA.GL.W.0019.210326T0100Z-210326T1000Z/
Pt St George to Cape Mendocino 10 to 60 nm-
238 PM PDT Thu Mar 25 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 PM PDT THIS
EVENING...
...GALE WARNING NOW IN EFFECT FROM 6 PM THIS EVENING TO 3 AM PDT
FRIDAY...

* WHAT...For the Gale Warning, north winds 25 to 30 kt with gusts
  up to 35 kt and seas 12 to 13 feet expected. For the Small Craft
  Advisory, north winds 20 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 6 PM this evening to 3 AM 
  PDT Friday. For the Small Craft Advisory, until 6 PM PDT 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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 24, 8:09 AM PDTGale WatchEKA18 hr
Mar 24, 2:08 PM PDTFrost AdvisoryEKALake, Mendocino19 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.