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Hazardous Seas Warning 0011
Issued by the Eureka Forecast Office

Action Issued Starts Expiration
New 2026-03-27 00:33:56 2026-03-27 08:00:00 2026-03-27 13:00:00
Continued 2026-03-27 04:49:05 2026-03-27 08:00:00 2026-03-27 13:00:00
Continued 2026-03-27 07:59:10 2026-03-27 08:00:00 2026-03-27 13:00:00


Action: New
Issued At: 2026-03-27 00:33:56

289 
WHUS76 KEKA 270533
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
1033 PM PDT Thu Mar 26 2026

PZZ470-271345-
/O.CON.KEKA.GL.W.0012.000000T0000Z-260327T1300Z/
/O.NEW.KEKA.SE.W.0011.260327T1300Z-260327T1800Z/
Pt St George to Cape Mendocino 10 to 60 nm-
1033 PM PDT Thu Mar 26 2026

...GALE WARNING REMAINS IN EFFECT UNTIL 6 AM PDT FRIDAY...
...HAZARDOUS SEAS WARNING IN EFFECT FROM 6 AM TO 11 AM PDT
FRIDAY...

* WHAT...For the Gale Warning, north winds 20 to 30 kt with 
  gusts up to 35 kt and seas 12 to 14 feet. For the Hazardous 
  Seas Warning, very steep and hazardous seas 10 to 12 feet 
  expected.

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

* WHEN...For the Gale Warning, until 6 AM PDT Friday. For the 
  Hazardous Seas Warning, from 6 AM to 11 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.

&&

$$

PZZ475-271300-
/O.CON.KEKA.GL.W.0012.000000T0000Z-260327T1300Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
1033 PM PDT Thu Mar 26 2026

...GALE WARNING REMAINS IN EFFECT UNTIL 6 AM PDT FRIDAY...

* WHAT...North winds 15 to 25 kt with gusts up to 35 kt and seas 
  13 to 15 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.

&&

$$

PZZ450-271300-
/O.CON.KEKA.SE.W.0010.000000T0000Z-260327T1300Z/
Pt St George to Cape Mendocino out 10 nm-
1033 PM PDT Thu Mar 26 2026

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 6 AM PDT
FRIDAY...

* WHAT...Very steep and hazardous seas 8 to 12 feet.

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

* WHEN...Until 6 AM PDT Friday.

* IMPACTS...Very steep and hazardous seas could capsize or cause 
  damage to vessels.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Recreational boaters should remain in port. Commercial vessels
should prepare for rough seas and consider remaining in port
until hazardous seas subside.

&&

$$

PZZ455-271300-
/O.CON.KEKA.SE.W.0010.000000T0000Z-260327T1300Z/
Cape Mendocino to Pt Arena out 10 nm-
1033 PM PDT Thu Mar 26 2026

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 6 AM PDT
FRIDAY...

* WHAT...Very steep and hazardous seas 8 to 12 feet.

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

* WHEN...Until 6 AM PDT Friday.

* IMPACTS...Very steep and hazardous seas could capsize or cause 
  damage to vessels.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Recreational boaters should remain in port. Commercial vessels
should prepare for rough seas and consider remaining in port
until hazardous seas subside.

&&

$$


Action: Continued
Issued At: 2026-03-27 04:49:05

885 
WHUS76 KEKA 270948
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
248 AM PDT Fri Mar 27 2026

PZZ470-271800-
/O.CON.KEKA.GL.W.0012.000000T0000Z-260327T1300Z/
/O.CON.KEKA.SE.W.0011.260327T1300Z-260327T1800Z/
Pt St George to Cape Mendocino 10 to 60 nm-
248 AM PDT Fri Mar 27 2026

...GALE WARNING REMAINS IN EFFECT UNTIL 6 AM PDT EARLY THIS
MORNING...
...HAZARDOUS SEAS WARNING REMAINS IN EFFECT FROM 6 AM TO 11 AM
PDT THIS MORNING...

* WHAT...For the Gale Warning, north winds 20 to 25 kt with 
  gusts up to 35 kt and seas 10 to 13 feet. For the Hazardous 
  Seas Warning, very steep and hazardous seas 10 to 12 feet 
  expected.

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

* WHEN...For the Gale Warning, until 6 AM PDT early this 
  morning. For the Hazardous Seas Warning, from 6 AM to 11 AM 
  PDT this morning.

* 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.

&&

$$

PZZ475-271300-
/O.CON.KEKA.GL.W.0012.000000T0000Z-260327T1300Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
248 AM PDT Fri Mar 27 2026

...GALE WARNING REMAINS IN EFFECT UNTIL 6 AM PDT EARLY THIS
MORNING...

* WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas 
  9 to 13 feet.

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

* WHEN...Until 6 AM PDT early this morning.

* 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.

&&

$$

PZZ450-271300-
/O.CON.KEKA.SE.W.0010.000000T0000Z-260327T1300Z/
Pt St George to Cape Mendocino out 10 nm-
248 AM PDT Fri Mar 27 2026

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 6 AM PDT EARLY
THIS MORNING...

* WHAT...Very steep and hazardous seas 7 to 10 feet.

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

* WHEN...Until 6 AM PDT early this morning.

* IMPACTS...Very steep and hazardous seas could capsize or cause 
  damage to vessels.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Recreational boaters should remain in port. Commercial vessels
should prepare for rough seas and consider remaining in port
until hazardous seas subside.

&&

$$

PZZ455-271300-
/O.CON.KEKA.SE.W.0010.000000T0000Z-260327T1300Z/
Cape Mendocino to Pt Arena out 10 nm-
248 AM PDT Fri Mar 27 2026

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 6 AM PDT EARLY
THIS MORNING...

* WHAT...Very steep and hazardous seas 6 to 11 feet.

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

* WHEN...Until 6 AM PDT early this morning.

* IMPACTS...Very steep and hazardous seas could capsize or cause 
  damage to vessels.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Recreational boaters should remain in port. Commercial vessels
should prepare for rough seas and consider remaining in port
until hazardous seas subside.

&&

$$


Action: Continued
Issued At: 2026-03-27 07:59:10

685 
WHUS76 KEKA 271258
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
558 AM PDT Fri Mar 27 2026

PZZ470-271800-
/O.EXP.KEKA.GL.W.0012.000000T0000Z-260327T1300Z/
/O.CON.KEKA.SE.W.0011.260327T1300Z-260327T1800Z/
Pt St George to Cape Mendocino 10 to 60 nm-
558 AM PDT Fri Mar 27 2026

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 11 AM PDT THIS
MORNING...
...GALE WARNING WILL EXPIRE AT 6 AM PDT EARLY THIS MORNING...

* WHAT...Very steep and hazardous seas 10 to 12 feet expected.

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

* WHEN...Until 11 AM PDT this morning.

* IMPACTS...Very steep and hazardous seas could capsize or cause 
  damage to vessels.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Recreational boaters should remain in port. Commercial vessels
should prepare for rough seas and consider remaining in port
until hazardous seas subside.

&&

$$

PZZ475-272100-
/O.EXP.KEKA.GL.W.0012.000000T0000Z-260327T1300Z/
/O.NEW.KEKA.SC.Y.0033.260327T1300Z-260329T1300Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
558 AM PDT Fri Mar 27 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM PDT SUNDAY...
...GALE WARNING WILL EXPIRE AT 6 AM PDT EARLY THIS MORNING...

* WHAT...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...Until 6 AM 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.

&&

$$

PZZ450-272100-
/O.EXP.KEKA.SE.W.0010.000000T0000Z-260327T1300Z/
/O.NEW.KEKA.SC.Y.0033.260327T1300Z-260328T1300Z/
Pt St George to Cape Mendocino out 10 nm-
558 AM PDT Fri Mar 27 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM PDT SATURDAY...
...HAZARDOUS SEAS WARNING WILL EXPIRE AT 6 AM PDT EARLY THIS
MORNING...

* WHAT...North winds 5 to 15 kt and seas 6 to 9 feet expected.

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

* WHEN...Until 6 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.

&&

$$

PZZ455-272100-
/O.EXP.KEKA.SE.W.0010.000000T0000Z-260327T1300Z/
/O.NEW.KEKA.SC.Y.0033.260327T1300Z-260328T1300Z/
Cape Mendocino to Pt Arena out 10 nm-
558 AM PDT Fri Mar 27 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM PDT SATURDAY...
...HAZARDOUS SEAS WARNING WILL EXPIRE AT 6 AM PDT EARLY THIS
MORNING...

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

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

* WHEN...Until 6 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.

&&

$$



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