623
WHUS76 KEKA 180159
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
559 PM PST Mon Nov 17 2025

PZZ455-181000-
/O.EXP.KEKA.GL.W.0055.000000T0000Z-251118T0200Z/
/O.CON.KEKA.SE.W.0036.251118T0200Z-251118T1100Z/
Cape Mendocino to Pt Arena out 10 nm-
559 PM PST Mon Nov 17 2025

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 3 AM PST
TUESDAY...
...GALE WARNING WILL EXPIRE AT 6 PM PST THIS EVENING...

* WHAT...Very steep and hazardous seas 11 to 16 feet expected.

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

* WHEN...Until 3 AM PST Tuesday.

* 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.

&&

$$

PZZ470-181000-
/O.CON.KEKA.GL.W.0055.000000T0000Z-251118T1500Z/
Pt St George to Cape Mendocino 10 to 60 nm-
559 PM PST Mon Nov 17 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 7 AM PST TUESDAY...

* WHAT...North winds 25 to 30 kt with gusts up to 40 kt and seas
  12 to 16 feet.

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

* WHEN...Until 7 AM PST Tuesday.

* 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.

&&

$$

PZZ475-181000-
/O.CON.KEKA.GL.W.0055.000000T0000Z-251118T1500Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
559 PM PST Mon Nov 17 2025

...GALE WARNING REMAINS IN EFFECT UNTIL 7 AM PST TUESDAY...

* WHAT...North winds 20 to 30 kt with gusts up to 40 kt and seas
  13 to 17 feet.

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

* WHEN...Until 7 AM PST Tuesday.

* 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.

&&

$$

PZZ450-181000-
/O.CON.KEKA.SE.W.0036.000000T0000Z-251118T1100Z/
Pt St George to Cape Mendocino out 10 nm-
559 PM PST Mon Nov 17 2025

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 3 AM PST
TUESDAY...

* WHAT...Very steep and hazardous seas 11 to 16 feet.

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

* WHEN...Until 3 AM PST Tuesday.

* 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.

&&

$$