Alert archive / California / Small Craft Advisories in 2021

Small Craft Advisory 32, NWS Eureka, CA

March 16, 2021

NWS Eureka, CA issued this small craft advisory at Mar 16, 2021, 2:25 PM PDT. It took effect at Mar 17, 2021, 2:00 PM PDT. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Mar 16, 2021, 2:25 PM PDT (21:25 UTC)
In effect from
Mar 17, 2021, 2:00 PM PDT
Expired
Mar 18, 2021, 2:00 AM PDT
In force
12 hr
Issued by
NWS Eureka, CA

The text

As transmitted.

580 
WHUS76 KEKA 162125
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
225 PM PDT Tue Mar 16 2021

PZZ470-170530-
/O.CAN.KEKA.SC.Y.0031.000000T0000Z-210316T2200Z/
/O.NEW.KEKA.SC.Y.0032.210317T2100Z-210318T0400Z/
/O.UPG.KEKA.GL.A.0014.210318T0400Z-210318T1600Z/
/O.NEW.KEKA.GL.W.0017.210318T0400Z-210318T1600Z/
Pt St George to Cape Mendocino 10 to 60 nm-
225 PM PDT Tue Mar 16 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM TO 9 PM PDT
WEDNESDAY...
...GALE WARNING IN EFFECT FROM 9 PM WEDNESDAY TO 9 AM PDT
THURSDAY...

* WHAT...For the Gale Warning, south winds 30 to 40 kt with 
  gusts up to 50 kt and seas 8 to 11 feet expected. For the 
  Small Craft Advisory, south winds 20 to 25 kt with gusts up to 
  30 kt and seas 6 to 9 feet expected.

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

* WHEN...For the Gale Warning, from 9 PM Wednesday to 9 AM PDT 
  Thursday. For the Small Craft Advisory, from 2 PM to 9 PM PDT 
  Wednesday.

* 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.

&&

$$

PZZ475-170530-
/O.EXT.KEKA.SC.Y.0031.000000T0000Z-210317T0300Z/
/O.NEW.KEKA.GL.W.0017.210318T0400Z-210318T1400Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
225 PM PDT Tue Mar 16 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 PM PDT THIS
EVENING...
...GALE WARNING IN EFFECT FROM 9 PM WEDNESDAY TO 7 AM PDT
THURSDAY...

* WHAT...For the Gale Warning, southeast winds 25 to 35 kt with 
  gusts up to 45 kt and seas 8 to 11 feet expected. For the 
  Small Craft Advisory, north winds 15 to 20 kt with gusts up to 
  25 kt and seas around 7 feet.

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

* WHEN...For the Gale Warning, from 9 PM Wednesday to 7 AM PDT 
  Thursday. For the Small Craft Advisory, until 8 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.

&&

$$

PZZ450-162230-
/O.CON.KEKA.SC.Y.0031.000000T0000Z-210316T2200Z/
Pt St George to Cape Mendocino out 10 nm-
225 PM PDT Tue Mar 16 2021

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

* WHAT...Seas around 6 feet.

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

* WHEN...Until 3 PM PDT 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.

&&

$$

PZZ455-162230-
/O.CON.KEKA.SC.Y.0031.000000T0000Z-210316T2200Z/
Cape Mendocino to Pt Arena out 10 nm-
225 PM PDT Tue Mar 16 2021

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

* WHAT...Northwest winds 15 to 20 kt with gusts up to 25 kt and 
  seas 5 to 7 feet.

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

* WHEN...Until 3 PM PDT 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.

&&

$$
7 follow-up statements
207 
WHUS76 KEKA 170154
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
654 PM PDT Tue Mar 16 2021

PZZ475-171000-
/O.CAN.KEKA.SC.Y.0031.000000T0000Z-210317T0300Z/
/O.EXB.KEKA.SC.Y.0032.210318T0000Z-210318T0400Z/
/O.EXT.KEKA.GL.W.0017.210318T0400Z-210318T1500Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
654 PM PDT Tue Mar 16 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM TO 9 PM PDT
WEDNESDAY...
...GALE WARNING NOW IN EFFECT FROM 9 PM WEDNESDAY TO 8 AM PDT
THURSDAY...

* WHAT...For the Gale Warning, southeast winds 25 to 35 kt with 
  gusts up to 45 kt and seas 8 to 11 feet expected. For the 
  Small Craft Advisory, south winds 20 to 30 kt with gusts up to 
  35 kt and seas around 8 feet expected.

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

* WHEN...For the Gale Warning, from 9 PM Wednesday to 8 AM PDT 
  Thursday. For the Small Craft Advisory, from 5 PM to 9 PM PDT 
  Wednesday.

* 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.

&&

$$

PZZ470-171000-
/O.CON.KEKA.SC.Y.0032.210317T2100Z-210318T0400Z/
/O.EXT.KEKA.GL.W.0017.210318T0400Z-210318T1800Z/
Pt St George to Cape Mendocino 10 to 60 nm-
654 PM PDT Tue Mar 16 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM TO 9 PM PDT
WEDNESDAY...
...GALE WARNING NOW IN EFFECT FROM 9 PM WEDNESDAY TO 11 AM PDT
THURSDAY...

* WHAT...For the Gale Warning, south winds 30 to 40 kt with 
  gusts up to 50 kt and seas 8 to 11 feet expected. For the 
  Small Craft Advisory, south winds 20 to 25 kt with gusts up to 
  30 kt and seas 6 to 9 feet expected.

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

* WHEN...For the Gale Warning, from 9 PM Wednesday to 11 AM PDT 
  Thursday. For the Small Craft Advisory, from 2 PM to 9 PM PDT 
  Wednesday.

* 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.

&&

$$

PZZ450-455-171000-
/O.EXB.KEKA.SC.Y.0032.210318T0400Z-210318T2100Z/
Pt St George to Cape Mendocino out 10 nm-
Cape Mendocino to Pt Arena out 10 nm-
654 PM PDT Tue Mar 16 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM WEDNESDAY TO 2 PM PDT
THURSDAY...

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

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

* WHEN...From 9 PM Wednesday to 2 PM PDT Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
459 
WHUS76 KEKA 170315
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
815 PM PDT Tue Mar 16 2021

PZZ470-171115-
/O.CON.KEKA.SC.Y.0032.210317T2100Z-210318T0400Z/
/O.CON.KEKA.GL.W.0017.210318T0400Z-210318T1800Z/
Pt St George to Cape Mendocino 10 to 60 nm-
815 PM PDT Tue Mar 16 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM TO 9 PM PDT
WEDNESDAY...
...GALE WARNING REMAINS IN EFFECT FROM 9 PM WEDNESDAY TO 11 AM
PDT THURSDAY...

* WHAT...For the Gale Warning, south winds 30 to 40 kt with 
  gusts up to 50 kt and seas 8 to 11 feet expected. For the 
  Small Craft Advisory, south winds 20 to 25 kt with gusts up to 
  30 kt and seas 6 to 9 feet expected.

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

* WHEN...For the Gale Warning, from 9 PM Wednesday to 11 AM PDT 
  Thursday. For the Small Craft Advisory, from 2 PM to 9 PM PDT 
  Wednesday.

* 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.

&&

$$

PZZ475-171115-
/O.CON.KEKA.SC.Y.0032.210318T0000Z-210318T0400Z/
/O.CON.KEKA.GL.W.0017.210318T0400Z-210318T1500Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
815 PM PDT Tue Mar 16 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 PM TO 9 PM PDT
WEDNESDAY...
...GALE WARNING REMAINS IN EFFECT FROM 9 PM WEDNESDAY TO 8 AM PDT
THURSDAY...

* WHAT...For the Gale Warning, southeast winds 25 to 35 kt with 
  gusts up to 45 kt and seas 8 to 11 feet expected. For the 
  Small Craft Advisory, south winds 20 to 30 kt with gusts up to 
  35 kt and seas around 8 feet expected.

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

* WHEN...For the Gale Warning, from 9 PM Wednesday to 8 AM PDT 
  Thursday. For the Small Craft Advisory, from 5 PM to 9 PM PDT 
  Wednesday.

* 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.

&&

$$

PZZ450-455-171115-
/O.CON.KEKA.SC.Y.0032.210318T0400Z-210318T2100Z/
Pt St George to Cape Mendocino out 10 nm-
Cape Mendocino to Pt Arena out 10 nm-
815 PM PDT Tue Mar 16 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 PM WEDNESDAY TO
2 PM PDT THURSDAY...

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

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

* WHEN...From 9 PM Wednesday to 2 PM PDT Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
581 
WHUS76 KEKA 170947
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
247 AM PDT Wed Mar 17 2021

PZZ470-171800-
/O.EXT.KEKA.SC.Y.0032.210317T2100Z-210318T0300Z/
/O.EXT.KEKA.GL.W.0017.210318T0300Z-210318T1900Z/
Pt St George to Cape Mendocino 10 to 60 nm-
247 AM PDT Wed Mar 17 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 2 PM THIS AFTERNOON TO
8 PM PDT THIS EVENING...
...GALE WARNING NOW IN EFFECT FROM 8 PM THIS EVENING TO NOON PDT
THURSDAY...

* WHAT...For the Gale Warning, south winds 30 to 40 kt with 
  gusts up to 50 kt and seas 9 to 14 feet expected. For the 
  Small Craft Advisory, south winds 20 to 25 kt with gusts up to 
  30 kt and seas 6 to 10 feet expected.

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

* WHEN...For the Gale Warning, from 8 PM this evening to noon 
  PDT Thursday. For the Small Craft Advisory, from 2 PM this 
  afternoon to 8 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.

&&

$$

PZZ475-171800-
/O.EXT.KEKA.SC.Y.0032.210318T0000Z-210318T0300Z/
/O.EXT.KEKA.GL.W.0017.210318T0300Z-210318T1600Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
247 AM PDT Wed Mar 17 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 5 PM THIS AFTERNOON TO
8 PM PDT THIS EVENING...
...GALE WARNING NOW IN EFFECT FROM 8 PM THIS EVENING TO 9 AM PDT
THURSDAY...

* WHAT...For the Gale Warning, southeast winds 25 to 35 kt with 
  gusts up to 45 kt and seas 7 to 14 feet expected. For the 
  Small Craft Advisory, south winds 20 to 25 kt with gusts up to 
  30 kt and seas 7 to 10 feet expected.

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

* WHEN...For the Gale Warning, from 8 PM this evening to 9 AM 
  PDT Thursday. For the Small Craft Advisory, from 5 PM this 
  afternoon to 8 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.

&&

$$

PZZ450-171800-
/O.EXT.KEKA.SC.Y.0032.210318T0300Z-210319T0400Z/
Pt St George to Cape Mendocino out 10 nm-
247 AM PDT Wed Mar 17 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 PM THIS EVENING TO
9 PM PDT THURSDAY...

* WHAT...South winds 20 to 30 kt with gusts up to 40 kt and seas 
  7 to 10 feet expected.

* WHERE...Pt St George to Cape Mendocino out 10 nm. Strongest
  winds and highest seas around Pt St George and Cape Mendocino.

* WHEN...From 8 PM this evening to 9 PM PDT Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ455-171800-
/O.EXT.KEKA.SC.Y.0032.210318T0300Z-210319T0400Z/
Cape Mendocino to Pt Arena out 10 nm-
247 AM PDT Wed Mar 17 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 PM THIS EVENING TO
9 PM PDT THURSDAY...

* WHAT...Southeast winds 20 to 30 kt with gusts up to 45 kt and 
  seas 8 to 10 feet expected.

* WHERE...Cape Mendocino to Pt Arena out 10 nm. Strongest winds
  and highest seas around Cape Mendocino.

* WHEN...From 8 PM this evening to 9 PM PDT Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
031 
WHUS76 KEKA 171603
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
903 AM PDT Wed Mar 17 2021

PZZ470-180015-
/O.CON.KEKA.SC.Y.0032.210317T2100Z-210318T0300Z/
/O.CON.KEKA.GL.W.0017.210318T0300Z-210318T1900Z/
Pt St George to Cape Mendocino 10 to 60 nm-
903 AM PDT Wed Mar 17 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS
AFTERNOON TO 8 PM PDT THIS EVENING...
...GALE WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO NOON
PDT THURSDAY...

* WHAT...For the Gale Warning, south winds 30 to 40 kt with 
  gusts up to 50 kt and seas 9 to 12 feet expected. For the 
  Small Craft Advisory, south winds 20 to 25 kt with gusts up to 
  30 kt and seas 6 to 9 feet expected.

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

* WHEN...For the Gale Warning, from 8 PM this evening to noon 
  PDT Thursday. For the Small Craft Advisory, from 2 PM this 
  afternoon to 8 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.

&&

$$

PZZ475-180015-
/O.CON.KEKA.SC.Y.0032.210318T0000Z-210318T0300Z/
/O.CON.KEKA.GL.W.0017.210318T0300Z-210318T1600Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
903 AM PDT Wed Mar 17 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 8 PM PDT THIS EVENING...
...GALE WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 9 AM
PDT THURSDAY...

* WHAT...For the Gale Warning, southeast winds 25 to 35 kt with 
  gusts up to 45 kt and seas 7 to 12 feet expected. For the 
  Small Craft Advisory, south winds 20 to 25 kt with gusts up to 
  30 kt and seas 7 to 9 feet expected.

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

* WHEN...For the Gale Warning, from 8 PM this evening to 9 AM 
  PDT Thursday. For the Small Craft Advisory, from 5 PM this 
  afternoon to 8 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.

&&

$$

PZZ450-180015-
/O.CON.KEKA.SC.Y.0032.210318T0300Z-210319T0400Z/
Pt St George to Cape Mendocino out 10 nm-
903 AM PDT Wed Mar 17 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING
TO 9 PM PDT THURSDAY...

* WHAT...South winds 20 to 30 kt with gusts up to 40 kt and seas 
  7 to 10 feet expected.

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

* WHEN...From 8 PM this evening to 9 PM PDT Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ455-180015-
/O.CON.KEKA.SC.Y.0032.210318T0300Z-210319T0400Z/
Cape Mendocino to Pt Arena out 10 nm-
903 AM PDT Wed Mar 17 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING
TO 9 PM PDT THURSDAY...

* WHAT...Southeast winds 20 to 30 kt with gusts up to 45 kt and 
  seas 8 to 10 feet expected.

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

* WHEN...From 8 PM this evening to 9 PM PDT Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
598 
WHUS76 KEKA 172149
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
249 PM PDT Wed Mar 17 2021

PZZ470-180600-
/O.EXT.KEKA.SC.Y.0032.000000T0000Z-210318T0400Z/
/O.EXT.KEKA.GL.W.0017.210318T0400Z-210318T1900Z/
Pt St George to Cape Mendocino 10 to 60 nm-
249 PM PDT Wed Mar 17 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 PM PDT THIS
EVENING...
...GALE WARNING NOW IN EFFECT FROM 9 PM THIS EVENING TO NOON PDT
THURSDAY...

* WHAT...For the Gale Warning, south winds 30 to 40 kt with 
  gusts up to 50 kt and seas 13 to 18 feet expected. For the 
  Small Craft Advisory, south winds 20 to 25 kt with gusts up to 
  30 kt and seas 6 to 9 feet.

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

* WHEN...For the Gale Warning, from 9 PM this evening to noon 
  PDT Thursday. For the Small Craft Advisory, until 9 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.

&&

$$

PZZ475-180600-
/O.EXT.KEKA.SC.Y.0032.210318T0000Z-210318T0400Z/
/O.EXT.KEKA.GL.W.0017.210318T0400Z-210318T1600Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
249 PM PDT Wed Mar 17 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 PM PDT THIS
EVENING...
...GALE WARNING NOW IN EFFECT FROM 9 PM THIS EVENING TO 9 AM PDT
THURSDAY...

* WHAT...For the Gale Warning, southeast winds 25 to 35 kt with
  gusts up to 50 kt and seas 9 to 14 feet expected. For the Small
  Craft Advisory, south winds 20 to 25 kt with a few gusts up to 
  35 kt and seas 7 to 9 feet expected.

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

* WHEN...For the Gale Warning, from 9 PM this evening to 9 AM 
  PDT Thursday. For the Small Craft Advisory, until 9 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.

&&

$$

PZZ450-180600-
/O.EXT.KEKA.SC.Y.0032.210318T0400Z-210319T1000Z/
Pt St George to Cape Mendocino out 10 nm-
249 PM PDT Wed Mar 17 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 9 PM THIS EVENING TO
3 AM PDT FRIDAY...

* WHAT...South winds 20 to 30 kt with localized gusts up to 40 kt
  near Cape Mendocino and Pt St George and seas 6 to 11 feet 
  expected.

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

* WHEN...From 9 PM this evening to 3 AM PDT 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.

&&

$$

PZZ455-180600-
/O.EXT.KEKA.SC.Y.0032.210318T0400Z-210319T1000Z/
Cape Mendocino to Pt Arena out 10 nm-
249 PM PDT Wed Mar 17 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 9 PM THIS EVENING TO
3 AM PDT FRIDAY...

* WHAT...South winds 20 to 30 kt with localized gusts up to 45 kt
  near Cape Mendocino and seas 7 to 11 feet expected.

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

* WHEN...From 9 PM this evening to 3 AM PDT 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.

&&

$$
485 
WHUS76 KEKA 172242
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
342 PM PDT Wed Mar 17 2021

PZZ450-180645-
/O.EXT.KEKA.SC.Y.0032.210318T0400Z-210318T0900Z/
/O.EXB.KEKA.GL.W.0017.210318T0900Z-210318T1600Z/
Pt St George to Cape Mendocino out 10 nm-
342 PM PDT Wed Mar 17 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 9 PM THIS EVENING TO
2 AM PDT THURSDAY...
...GALE WARNING IN EFFECT FROM 2 AM TO 9 AM PDT THURSDAY...

* WHAT...For the Gale Warning, south winds 20 to 30 kt with 
  gusts up to 45 kt and seas 6 to 11 feet expected. For the 
  Small Craft Advisory, south winds 15 to 25 kt with gusts up to 
  30 kt and seas 6 to 8 feet expected.

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

* WHEN...For the Gale Warning, from 2 AM to 9 AM PDT Thursday. 
  For the Small Craft Advisory, from 9 PM this evening to 2 AM 
  PDT Thursday.

* 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.

&&

$$

PZZ455-180645-
/O.EXT.KEKA.SC.Y.0032.210318T0400Z-210318T0900Z/
/O.EXB.KEKA.GL.W.0017.210318T0900Z-210318T1600Z/
Cape Mendocino to Pt Arena out 10 nm-
342 PM PDT Wed Mar 17 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 9 PM THIS EVENING TO
2 AM PDT THURSDAY...
...GALE WARNING IN EFFECT FROM 2 AM TO 9 AM PDT THURSDAY...

* WHAT...For the Gale Warning, southeast winds 25 to 35 kt with
  gusts up to 45 kt and seas 7 to 11 feet expected. For the Small
  Craft Advisory, southeast winds 20 to 30 kt with gusts up to 35 
  kt and seas 6 to 9 feet expected.

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

* WHEN...For the Gale Warning, from 2 AM to 9 AM PDT Thursday. 
  For the Small Craft Advisory, from 9 PM this evening to 2 AM 
  PDT Thursday.

* 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.

&&

$$

PZZ470-180645-
/O.CON.KEKA.SC.Y.0032.000000T0000Z-210318T0400Z/
/O.CON.KEKA.GL.W.0017.210318T0400Z-210318T1900Z/
Pt St George to Cape Mendocino 10 to 60 nm-
342 PM PDT Wed Mar 17 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT THIS
EVENING...
...GALE WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO NOON
PDT THURSDAY...

* WHAT...For the Gale Warning, south winds 30 to 40 kt with 
  gusts up to 50 kt and seas 13 to 18 feet expected. For the 
  Small Craft Advisory, south winds 20 to 25 kt with gusts up to 
  30 kt and seas 6 to 9 feet.

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

* WHEN...For the Gale Warning, from 9 PM this evening to noon 
  PDT Thursday. For the Small Craft Advisory, until 9 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.

&&

$$

PZZ475-180645-
/O.CON.KEKA.SC.Y.0032.210318T0000Z-210318T0400Z/
/O.CON.KEKA.GL.W.0017.210318T0400Z-210318T1600Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
342 PM PDT Wed Mar 17 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT THIS
EVENING...
...GALE WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 9 AM
PDT THURSDAY...

* WHAT...For the Gale Warning, southeast winds 25 to 35 kt with 
  gusts up to 50 kt and seas 9 to 14 feet expected. For the 
  Small Craft Advisory, south winds 20 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...For the Gale Warning, from 9 PM this evening to 9 AM 
  PDT Thursday. For the Small Craft Advisory, until 9 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.

&&

$$
161 
WHUS76 KEKA 180347
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
847 PM PDT Wed Mar 17 2021

PZZ470-181200-
/O.EXP.KEKA.SC.Y.0032.000000T0000Z-210318T0400Z/
/O.CON.KEKA.GL.W.0017.210318T0400Z-210318T1900Z/
Pt St George to Cape Mendocino 10 to 60 nm-
847 PM PDT Wed Mar 17 2021

...GALE WARNING REMAINS IN EFFECT UNTIL NOON PDT THURSDAY...

* WHAT...South winds 30 to 40 kt with gusts up to 50 kt and seas 
  13 to 18 feet expected.

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

* WHEN...Until noon PDT Thursday.

* 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.

&&

$$

PZZ475-181200-
/O.EXP.KEKA.SC.Y.0032.000000T0000Z-210318T0400Z/
/O.CON.KEKA.GL.W.0017.210318T0400Z-210318T1600Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
847 PM PDT Wed Mar 17 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 9 AM PDT THURSDAY...

* WHAT...Southeast winds 25 to 35 kt with gusts up to 50 kt and 
  seas 9 to 14 feet expected.

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

* WHEN...Until 9 AM PDT Thursday.

* 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.

&&

$$

PZZ450-181200-
/O.CON.KEKA.SC.Y.0032.210318T0400Z-210318T0900Z/
/O.CON.KEKA.GL.W.0017.210318T0900Z-210318T1600Z/
Pt St George to Cape Mendocino out 10 nm-
847 PM PDT Wed Mar 17 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM PDT
THURSDAY...
...GALE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM PDT
THURSDAY...

* WHAT...For the Gale Warning, south winds 20 to 30 kt with gusts
  up to 45 kt and seas 6 to 11 feet expected. For the Small Craft
  Advisory, south winds 15 to 25 kt with gusts up to 35 kt and 
  seas 6 to 8 feet expected.

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

* WHEN...For the Gale Warning, from 2 AM to 9 AM PDT Thursday. 
  For the Small Craft Advisory, until 2 AM PDT Thursday.

* 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.

&&

$$

PZZ455-181200-
/O.CON.KEKA.SC.Y.0032.210318T0400Z-210318T0900Z/
/O.CON.KEKA.GL.W.0017.210318T0900Z-210318T1600Z/
Cape Mendocino to Pt Arena out 10 nm-
847 PM PDT Wed Mar 17 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM PDT
THURSDAY...
...GALE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM PDT
THURSDAY...

* WHAT...For the Gale Warning, southeast winds 25 to 35 kt with
  gusts up to 45 kt and seas 7 to 11 feet expected. For the Small
  Craft Advisory, southeast winds 20 to 30 kt with gusts up to 35 
  kt and seas 6 to 9 feet expected.

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

* WHEN...For the Gale Warning, from 2 AM to 9 AM PDT Thursday. 
  For the Small Craft Advisory, until 2 AM PDT Thursday.

* 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 15, 10:44 PM PDTSmall Craft AdvisoryEKA20 hr
Mar 16, 3:09 AM PDTGale WatchEKA11 hr
Mar 16, 9:08 AM PDTFreeze WatchEKALake, Mendocino4 hr
Mar 16, 1:27 PM PDTFrost AdvisoryEKADel Norte, Humboldt, Mendocino20 hr
Mar 16, 1:27 PM PDTFreeze WarningEKALake, Mendocino20 hr
Mar 16, 1:39 PM PDTWinter Storm WatchEKA14 hr
Mar 16, 2:25 PM PDTGale WarningEKA46 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.