Alert archive / California / Gale Warnings in 2021

Gale Warning 47, NWS Eureka, CA

October 20, 2021

NWS Eureka, CA issued this gale warning at Oct 20, 2021, 2:49 PM PDT. It took effect at Oct 21, 2021, 1:00 AM PDT. It was in force for 19 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Oct 20, 2021, 2:49 PM PDT (21:49 UTC)
In effect from
Oct 21, 2021, 1:00 AM PDT
Expired
Oct 21, 2021, 8:00 PM PDT
In force
19 hr
Issued by
NWS Eureka, CA

The text

As transmitted.

497 
WHUS76 KEKA 202149
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
249 PM PDT Wed Oct 20 2021

PZZ470-210600-
/O.EXT.KEKA.SC.Y.0107.000000T0000Z-211021T0800Z/
/O.NEW.KEKA.GL.W.0047.211021T0800Z-211021T2100Z/
Pt St George to Cape Mendocino 10 to 60 nm-
249 PM PDT Wed Oct 20 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 AM PDT THURSDAY...
...GALE WARNING IN EFFECT FROM 1 AM TO 2 PM PDT THURSDAY...

* WHAT...For the Gale Warning, south winds 25 to 35 kt with gusts
  up to 45 kt and steep seas 11 to 14 feet expected. For the 
  Small Craft Advisory, south winds 20 to 25 kt with gusts up to 
  30 kt and seas 12 to 15 feet.

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

* WHEN...For the Gale Warning, from 1 AM to 2 PM PDT Thursday. 
  For the Small Craft Advisory, until 1 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.

&&

$$

PZZ450-455-475-210600-
/O.CON.KEKA.SC.Y.0107.000000T0000Z-211023T2200Z/
Pt St George to Cape Mendocino out 10 nm-
Cape Mendocino to Pt Arena out 10 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
249 PM PDT Wed Oct 20 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT
SATURDAY...

* WHAT...South winds 20 to 30 kt with local gusts up to 40 kt and
  seas 11 to 16 feet.

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

* WHEN...Until 3 PM PDT Saturday.

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

* ADDITIONAL DETAILS...Multiple periods of strong winds are
  expected with the first on Thursday another on Saturday and
  additional strong winds into early next week. A large swell is
  expected Friday with another one on Monday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
4 follow-up statements
610 
WHUS76 KEKA 210404
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
904 PM PDT Wed Oct 20 2021

PZZ470-211215-
/O.CON.KEKA.SC.Y.0107.000000T0000Z-211021T0800Z/
/O.CON.KEKA.GL.W.0047.211021T0800Z-211021T2100Z/
Pt St George to Cape Mendocino 10 to 60 nm-
904 PM PDT Wed Oct 20 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM PDT
THURSDAY...
...GALE WARNING REMAINS IN EFFECT FROM 1 AM TO 2 PM PDT
THURSDAY...

* WHAT...For the Gale Warning, south winds 25 to 35 kt with 
  gusts up to 40 kt and seas 11 to 14 feet expected. For the 
  Small Craft Advisory, south winds 20 to 30 kt with gusts up to 
  35 kt and seas 12 to 15 feet.

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

* WHEN...For the Gale Warning, from 1 AM to 2 PM PDT Thursday. 
  For the Small Craft Advisory, until 1 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.

&&

$$

PZZ450-455-475-211215-
/O.CON.KEKA.SC.Y.0107.000000T0000Z-211023T2200Z/
Pt St George to Cape Mendocino out 10 nm-
Cape Mendocino to Pt Arena out 10 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
904 PM PDT Wed Oct 20 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT
SATURDAY...

* WHAT...South winds 20 to 30 kt with gusts up to 35 kt and seas 
  11 to 16 feet.

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

* WHEN...Until 3 PM PDT 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.

&&

$$
973 
WHUS76 KEKA 210953
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
253 AM PDT Thu Oct 21 2021

PZZ450-211800-
/O.UPG.KEKA.SC.Y.0107.000000T0000Z-211023T2200Z/
/O.EXB.KEKA.GL.W.0047.211021T1000Z-211021T2200Z/
Pt St George to Cape Mendocino out 10 nm-
253 AM PDT Thu Oct 21 2021

...GALE WARNING IN EFFECT UNTIL 3 PM PDT THIS AFTERNOON...

* WHAT...South winds 15 to 25 kt with gusts up to 40 kt and seas 
  7 to 11 feet expected.

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

* WHEN...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.

&&

$$

PZZ470-211800-
/O.EXT.KEKA.GL.W.0047.000000T0000Z-211021T2200Z/
Pt St George to Cape Mendocino 10 to 60 nm-
253 AM PDT Thu Oct 21 2021

...GALE WARNING NOW IN EFFECT UNTIL 3 PM PDT THIS AFTERNOON...

* WHAT...South winds 25 to 35 kt with gusts up to 40 kt and seas 
  11 to 14 feet.

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

* WHEN...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.

&&

$$

PZZ455-475-211800-
/O.CON.KEKA.SC.Y.0107.000000T0000Z-211023T2200Z/
Cape Mendocino to Pt Arena out 10 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
253 AM PDT Thu Oct 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT
SATURDAY...

* WHAT...South winds 20 to 30 kt with gusts up to 35 kt and seas 
  12 to 17 feet.

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

* WHEN...Until 3 PM PDT 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.

&&

$$
584 
WHUS76 KEKA 211534
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
834 AM PDT Thu Oct 21 2021

PZZ450-212200-
/O.CON.KEKA.GL.W.0047.000000T0000Z-211021T2200Z/
Pt St George to Cape Mendocino out 10 nm-
834 AM PDT Thu Oct 21 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 3 PM PDT THIS AFTERNOON...

* WHAT...South winds 15 to 25 kt with gusts up to 40 kt and steep 
  seas 7 to 11 feet.

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

* WHEN...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.

&&

$$

PZZ470-212200-
/O.CON.KEKA.GL.W.0047.000000T0000Z-211021T2200Z/
Pt St George to Cape Mendocino 10 to 60 nm-
834 AM PDT Thu Oct 21 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 3 PM PDT THIS AFTERNOON...

* WHAT...South winds 30 to 35 kt with gusts up to 45 kt and steep
  seas 11 to 14 feet.

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

* WHEN...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.

&&

$$

PZZ455-475-212345-
/O.CON.KEKA.SC.Y.0107.000000T0000Z-211023T2200Z/
Cape Mendocino to Pt Arena out 10 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
834 AM PDT Thu Oct 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT
SATURDAY...

* WHAT...South winds 20 to 30 kt with local gusts up to 40 kt and
  seas 12 to 17 feet.

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

* WHEN...Until 3 PM PDT Saturday.

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

* ADDITIONAL DETAILS...Multiple periods of strong winds are
  expected with the first on Thursday another on Saturday and
  additional strong winds into early next week. A large swell is
  expected Friday with another one on Monday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
728 
WHUS76 KEKA 212131
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
231 PM PDT Thu Oct 21 2021

PZZ450-220300-
/O.EXT.KEKA.GL.W.0047.000000T0000Z-211022T0300Z/
Pt St George to Cape Mendocino out 10 nm-
231 PM PDT Thu Oct 21 2021

...GALE WARNING NOW IN EFFECT UNTIL 8 PM PDT THIS EVENING...

* WHAT...South winds 20 to 30 kt with gusts up to 40 kt and steep
  seas 8 to 10 feet.

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

* WHEN...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.

&&

$$

PZZ470-220300-
/O.EXT.KEKA.GL.W.0047.000000T0000Z-211022T0300Z/
Pt St George to Cape Mendocino 10 to 60 nm-
231 PM PDT Thu Oct 21 2021

...GALE WARNING NOW IN EFFECT UNTIL 8 PM PDT THIS EVENING...

* WHAT...South winds 20 to 30 kt with gusts up to 40 kt and steep 
  seas 11 to 13 feet.

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

* WHEN...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.

&&

$$

PZZ455-475-220545-
/O.CON.KEKA.SC.Y.0107.000000T0000Z-211023T2200Z/
Cape Mendocino to Pt Arena out 10 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
231 PM PDT Thu Oct 21 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT
SATURDAY...

* WHAT...South winds 20 to 30 kt with local gusts up to 35 kt and
  seas 12 to 17 feet.

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

* WHEN...Until 3 PM PDT Saturday.

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

* ADDITIONAL DETAILS...Strong winds will diminish tonight with 
  the next round of increased winds Saturday. A large swell is 
  expected Friday with another one on Monday.

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
Oct 20, 2:42 AM PDTHazardous Seas WarningEKA6 hr
Oct 20, 8:54 AM PDTSmall Craft AdvisoryEKA4 days

Nearby

Gale Warnings in California, 2021Every gale warning 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.