Alert archive / California / Gale Warnings in 2025

Gale Warning 40, NWS Eureka, CA

August 20, 2025

NWS Eureka, CA issued this gale warning at Aug 20, 2025, 9:58 AM PDT. It took effect at Aug 21, 2025, 3:00 PM PDT. It was in force for 8 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
Aug 20, 2025, 9:58 AM PDT (16:58 UTC)
In effect from
Aug 21, 2025, 3:00 PM PDT
Expired
Aug 21, 2025, 11:00 PM PDT
In force
8 hr
Issued by
NWS Eureka, CA

The text

As transmitted.

700 
WHUS76 KEKA 201658
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
958 AM PDT Wed Aug 20 2025

PZZ475-210100-
/O.EXT.KEKA.SC.Y.0088.000000T0000Z-250821T2200Z/
/O.NEW.KEKA.GL.W.0040.250821T2200Z-250822T0600Z/
/O.NEW.KEKA.SC.Y.0089.250822T0600Z-250823T1800Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
958 AM PDT Wed Aug 20 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 PM PDT THURSDAY...
...GALE WARNING IN EFFECT FROM 3 PM TO 11 PM PDT THURSDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM THURSDAY TO 11 AM
PDT SATURDAY...

* WHAT...For the Gale Warning, northwest winds 20 to 30 kt with 
  gusts up to 35 kt and seas 8 to 9 feet expected. For the first 
  Small Craft Advisory, northwest winds 20 to 25 kt with gusts 
  up to 35 kt and seas 6 to 8 feet. For the second Small Craft 
  Advisory, north winds 15 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 3 PM to 11 PM PDT Thursday. 
  For the Small Craft Advisory, until 3 PM PDT Thursday. For the 
  Small Craft Advisory, from 11 PM Thursday to 11 AM PDT 
  Saturday.

* 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.

&&

$$

PZZ450-210100-
/O.EXB.KEKA.SC.Y.0088.250821T2200Z-250822T1200Z/
Pt St George to Cape Mendocino out 10 nm-
958 AM PDT Wed Aug 20 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM THURSDAY TO 5 AM PDT
FRIDAY...

* WHAT...Seas 5 to 7 feet expected.

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

* WHEN...From 3 PM Thursday to 5 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.

&&

$$

PZZ470-210100-
/O.EXT.KEKA.SC.Y.0088.250821T0600Z-250823T1800Z/
Pt St George to Cape Mendocino 10 to 60 nm-
958 AM PDT Wed Aug 20 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 11 PM THIS EVENING TO
11 AM PDT SATURDAY...

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

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

* WHEN...From 11 PM this evening to 11 AM 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.

&&

$$

PZZ455-210100-
/O.CON.KEKA.SC.Y.0088.250820T2300Z-250822T0900Z/
Cape Mendocino to Pt Arena out 10 nm-
958 AM PDT Wed Aug 20 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 4 PM THIS
AFTERNOON TO 2 AM PDT FRIDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 40 kt and 
  seas 5 to 8 feet expected.

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

* WHEN...From 4 PM this afternoon to 2 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.

&&

$$
6 follow-up statements
900 
WHUS76 KEKA 202154
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
254 PM PDT Wed Aug 20 2025

PZZ475-210600-
/O.CON.KEKA.SC.Y.0088.000000T0000Z-250821T2200Z/
/O.CON.KEKA.GL.W.0040.250821T2200Z-250822T0600Z/
/O.CON.KEKA.SC.Y.0089.250822T0600Z-250823T1800Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
254 PM PDT Wed Aug 20 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT
THURSDAY...
...GALE WARNING REMAINS IN EFFECT FROM 3 PM TO 11 PM PDT
THURSDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 PM THURSDAY TO
11 AM PDT SATURDAY...

* WHAT...For the Gale Warning, northwest winds 20 to 30 kt with 
  gusts up to 35 kt and seas 8 to 9 feet expected. For the first 
  Small Craft Advisory, northwest winds 20 to 25 kt with gusts 
  up to 35 kt and seas 6 to 8 feet. For the second Small Craft 
  Advisory, north winds 15 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 3 PM to 11 PM PDT Thursday. 
  For the Small Craft Advisory, until 3 PM PDT Thursday. For the 
  Small Craft Advisory, from 11 PM Thursday to 11 AM PDT 
  Saturday.

* 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.

&&

$$

PZZ450-210600-
/O.CON.KEKA.SC.Y.0088.250821T2200Z-250822T1200Z/
Pt St George to Cape Mendocino out 10 nm-
254 PM PDT Wed Aug 20 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 PM THURSDAY TO
5 AM PDT FRIDAY...

* WHAT...Seas 5 to 7 feet expected.

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

* WHEN...From 3 PM Thursday to 5 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.

&&

$$

PZZ455-210600-
/O.CON.KEKA.SC.Y.0088.250820T2300Z-250822T0900Z/
Cape Mendocino to Pt Arena out 10 nm-
254 PM PDT Wed Aug 20 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM PDT FRIDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 40 kt and 
  seas 5 to 8 feet expected.

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

* WHEN...Until 2 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.

&&

$$

PZZ470-210600-
/O.CON.KEKA.SC.Y.0088.250821T0600Z-250823T1800Z/
Pt St George to Cape Mendocino 10 to 60 nm-
254 PM PDT Wed Aug 20 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING
TO 11 AM PDT SATURDAY...

* WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas 
  7 to 10 feet expected.

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

* WHEN...From 11 PM this evening to 11 AM 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.

&&

$$
272 
WHUS76 KEKA 210519
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
1019 PM PDT Wed Aug 20 2025

PZZ475-211330-
/O.CON.KEKA.SC.Y.0088.000000T0000Z-250821T2200Z/
/O.CON.KEKA.GL.W.0040.250821T2200Z-250822T0600Z/
/O.CON.KEKA.SC.Y.0089.250822T0600Z-250823T1800Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
1019 PM PDT Wed Aug 20 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT
THURSDAY...
...GALE WARNING REMAINS IN EFFECT FROM 3 PM TO 11 PM PDT
THURSDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 PM THURSDAY TO
11 AM PDT SATURDAY...

* WHAT...For the Gale Warning, northwest winds 20 to 25 kt with 
  gusts up to 35 kt and seas 8 to 9 feet expected. For the first 
  Small Craft Advisory, northwest winds 20 to 25 kt with gusts 
  up to 30 kt and seas 6 to 8 feet. For the second Small Craft 
  Advisory, northwest winds 15 to 25 kt with gusts up to 30 kt 
  and seas 6 to 9 feet expected.

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

* WHEN...For the Gale Warning, from 3 PM to 11 PM PDT Thursday. 
  For the Small Craft Advisory, until 3 PM PDT Thursday. For the 
  Small Craft Advisory, from 11 PM Thursday to 11 AM PDT 
  Saturday.

* 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.

&&

$$

PZZ450-211330-
/O.CON.KEKA.SC.Y.0088.250821T2200Z-250822T1200Z/
Pt St George to Cape Mendocino out 10 nm-
1019 PM PDT Wed Aug 20 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 PM THURSDAY TO
5 AM PDT FRIDAY...

* WHAT...Seas 5 to 7 feet expected.

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

* WHEN...From 3 PM Thursday to 5 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.

&&

$$

PZZ455-211330-
/O.CON.KEKA.SC.Y.0088.000000T0000Z-250822T0900Z/
Cape Mendocino to Pt Arena out 10 nm-
1019 PM PDT Wed Aug 20 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM PDT FRIDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 40 kt and 
  seas 5 to 8 feet.

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

* WHEN...Until 2 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.

&&

$$

PZZ470-211330-
/O.CON.KEKA.SC.Y.0088.250821T0600Z-250823T1800Z/
Pt St George to Cape Mendocino 10 to 60 nm-
1019 PM PDT Wed Aug 20 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM PDT
SATURDAY...

* WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas 
  7 to 10 feet expected.

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

* WHEN...Until 11 AM 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.

&&

$$
376 
WHUS76 KEKA 211022
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
322 AM PDT Thu Aug 21 2025

PZZ475-211830-
/O.CON.KEKA.SC.Y.0088.000000T0000Z-250821T2200Z/
/O.CON.KEKA.GL.W.0040.250821T2200Z-250822T0600Z/
/O.CON.KEKA.SC.Y.0089.250822T0600Z-250823T1800Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
322 AM PDT Thu Aug 21 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT THIS
AFTERNOON...
...GALE WARNING REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO
11 PM PDT THIS EVENING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING
TO 11 AM PDT SATURDAY...

* WHAT...For the Gale Warning, northwest winds 20 to 25 kt with
  gusts to 35 kt and seas 8 to 9 feet expected. For the first
  Small Craft Advisory, northwest winds 20 to 25 kt with gusts to
  30 kt and seas 6 to 8 feet. For the second Small Craft Advisory,
  northwest winds 15 to 25 kt with gusts to 30 kt and seas 6 to 9
  feet expected.

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

* WHEN...For the Gale Warning, from 3 PM this afternoon to 11 PM 
  PDT this evening. For the Small Craft Advisory, until 3 PM PDT 
  this afternoon. For the Small Craft Advisory, from 11 PM this 
  evening to 11 AM PDT Saturday.

* 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.

&&

$$

PZZ450-211830-
/O.CON.KEKA.SC.Y.0088.250821T2200Z-250822T1200Z/
Pt St George to Cape Mendocino out 10 nm-
322 AM PDT Thu Aug 21 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 PM THIS
AFTERNOON TO 5 AM PDT FRIDAY...

* WHAT...Seas 5 to 7 feet expected.

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

* WHEN...From 3 PM this afternoon to 5 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.

&&

$$

PZZ455-211830-
/O.CON.KEKA.SC.Y.0088.000000T0000Z-250822T0900Z/
Cape Mendocino to Pt Arena out 10 nm-
322 AM PDT Thu Aug 21 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM PDT FRIDAY...

* WHAT...Northwest winds 15 to 25 kt with localized gusts to 40 
  kt and seas 5 to 8 feet.

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

* WHEN...Until 2 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.

&&

$$

PZZ470-211830-
/O.CON.KEKA.SC.Y.0088.000000T0000Z-250823T1800Z/
Pt St George to Cape Mendocino 10 to 60 nm-
322 AM PDT Thu Aug 21 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM PDT
SATURDAY...

* WHAT...North winds 15 to 25 kt with gusts to 30 kt and seas 7 
  to 10 feet.

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

* WHEN...Until 11 AM 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.

&&

$$
247 
WHUS76 KEKA 211817
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
1117 AM PDT Thu Aug 21 2025

PZZ475-220230-
/O.CON.KEKA.SC.Y.0088.000000T0000Z-250821T2200Z/
/O.CON.KEKA.GL.W.0040.250821T2200Z-250822T0600Z/
/O.CON.KEKA.SC.Y.0089.250822T0600Z-250823T1800Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
1117 AM PDT Thu Aug 21 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT THIS
AFTERNOON...
...GALE WARNING REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO
11 PM PDT THIS EVENING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING
TO 11 AM PDT SATURDAY...

* WHAT...For the Gale Warning, northwest winds 25 to 30 kt with 
  gusts up to 35 kt and seas 8 to 10 feet expected. For the 
  first Small Craft Advisory, northwest winds 25 to 30 kt with 
  gusts up to 35 kt and seas around 8 feet. For the second Small 
  Craft Advisory, northwest winds 15 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 3 PM this afternoon to 11 PM 
  PDT this evening. For the Small Craft Advisory, until 3 PM PDT 
  this afternoon. For the Small Craft Advisory, from 11 PM this 
  evening to 11 AM PDT Saturday.

* 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.

&&

$$

PZZ450-220230-
/O.CON.KEKA.SC.Y.0088.250821T2200Z-250822T1200Z/
Pt St George to Cape Mendocino out 10 nm-
1117 AM PDT Thu Aug 21 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 PM THIS
AFTERNOON TO 5 AM PDT FRIDAY...

* WHAT...Seas 5 to 7 feet expected.

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

* WHEN...From 3 PM this afternoon to 5 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.

&&

$$

PZZ455-220230-
/O.CON.KEKA.SC.Y.0088.000000T0000Z-250822T0900Z/
Cape Mendocino to Pt Arena out 10 nm-
1117 AM PDT Thu Aug 21 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM PDT FRIDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 40 kt and 
  seas 6 to 9 feet.

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

* WHEN...Until 2 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.

&&

$$

PZZ470-220230-
/O.CON.KEKA.SC.Y.0088.000000T0000Z-250823T1800Z/
Pt St George to Cape Mendocino 10 to 60 nm-
1117 AM PDT Thu Aug 21 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM PDT
SATURDAY...

* WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas 
  7 to 10 feet.

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

* WHEN...Until 11 AM 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.

&&

$$
633 
WHUS76 KEKA 212232
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
332 PM PDT Thu Aug 21 2025

PZZ475-220645-
/O.CON.KEKA.GL.W.0040.000000T0000Z-250822T0600Z/
/O.CON.KEKA.SC.Y.0089.250822T0600Z-250823T1800Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
332 PM PDT Thu Aug 21 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING
TO 11 AM PDT SATURDAY...

* WHAT...For the Gale Warning, northwest winds 25 to 30 kt with 
  gusts up to 35 kt and seas 8 to 10 feet. For the Small Craft 
  Advisory, northwest winds 15 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, until 11 PM PDT this evening. For 
  the Small Craft Advisory, from 11 PM this evening to 11 AM PDT 
  Saturday.

* 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.

&&

$$

PZZ450-220645-
/O.CON.KEKA.SC.Y.0088.000000T0000Z-250822T1200Z/
Pt St George to Cape Mendocino out 10 nm-
332 PM PDT Thu Aug 21 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM PDT FRIDAY...

* WHAT...Seas 5 to 7 feet.

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

* WHEN...Until 5 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.

&&

$$

PZZ455-220645-
/O.CON.KEKA.SC.Y.0088.000000T0000Z-250822T0900Z/
Cape Mendocino to Pt Arena out 10 nm-
332 PM PDT Thu Aug 21 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM PDT FRIDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 40 kt and 
  seas 6 to 9 feet.

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

* WHEN...Until 2 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.

&&

$$

PZZ470-220645-
/O.CON.KEKA.SC.Y.0088.000000T0000Z-250823T1800Z/
Pt St George to Cape Mendocino 10 to 60 nm-
332 PM PDT Thu Aug 21 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM PDT
SATURDAY...

* WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas 
  7 to 10 feet.

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

* WHEN...Until 11 AM 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.

&&

$$
234 
WHUS76 KEKA 220544
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
1044 PM PDT Thu Aug 21 2025

PZZ475-221345-
/O.EXP.KEKA.GL.W.0040.000000T0000Z-250822T0600Z/
/O.CON.KEKA.SC.Y.0089.250822T0600Z-250823T1800Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
1044 PM PDT Thu Aug 21 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM PDT
SATURDAY...
...GALE WARNING WILL EXPIRE AT 11 PM PDT THIS EVENING...

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

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

* WHEN...Until 11 AM 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.

&&

$$

PZZ455-221345-
/O.EXT.KEKA.SC.Y.0088.000000T0000Z-250822T1800Z/
Cape Mendocino to Pt Arena out 10 nm-
1044 PM PDT Thu Aug 21 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 11 AM PDT FRIDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 35 kt and 
  seas 5 to 8 feet.

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

* WHEN...Until 11 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.

&&

$$

PZZ450-221200-
/O.CON.KEKA.SC.Y.0088.000000T0000Z-250822T1200Z/
Pt St George to Cape Mendocino out 10 nm-
1044 PM PDT Thu Aug 21 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM PDT FRIDAY...

* WHAT...Seas 4 to 6 feet.

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

* WHEN...Until 5 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.

&&

$$

PZZ470-221345-
/O.CON.KEKA.SC.Y.0088.000000T0000Z-250823T1800Z/
Pt St George to Cape Mendocino 10 to 60 nm-
1044 PM PDT Thu Aug 21 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM PDT
SATURDAY...

* WHAT...North winds 15 to 25 kt and seas 5 to 8 feet.

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

* WHEN...Until 11 AM 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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 20, 9:58 AM PDTSmall Craft AdvisoryEKA3 days

Nearby

Gale Warnings in California, 2025Every gale warning in 2025

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.