National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
WHUS76 KEKA 162137
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
237 PM PDT Tue Apr 16 2024

PZZ450-170545-
/O.EXT.KEKA.SC.Y.0048.000000T0000Z-240416T2200Z/
/O.NEW.KEKA.SE.W.0018.240416T2200Z-240417T1000Z/
Pt St George to Cape Mendocino out 10 nm-
237 PM PDT Tue Apr 16 2024

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 PM PDT THIS
AFTERNOON...
...HAZARDOUS SEAS WARNING IN EFFECT UNTIL 3 AM PDT WEDNESDAY...

* WHAT...For the Hazardous Seas Warning, very steep and
  hazardous seas 9 to 11 feet expected. For the Small Craft
  Advisory, north winds 20 to 25 kt with gusts up to 40 kt and
  seas 8 to 10 feet.

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

* WHEN...For the Hazardous Seas Warning, until 3 AM PDT
  Wednesday. For the Small Craft Advisory, until 3 PM PDT this
  afternoon.

* 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.

&&

$$

PZZ470-170545-
/O.EXT.KEKA.GL.W.0026.000000T0000Z-240418T0400Z/
Pt St George to Cape Mendocino 10 to 60 nm-
237 PM PDT Tue Apr 16 2024

...GALE WARNING NOW IN EFFECT UNTIL 9 PM PDT WEDNESDAY...

* WHAT...North winds 25 to 30 kt with gusts up to 40 kt and seas
  9 to 13 feet.

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

* WHEN...Until 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.

&&

$$

PZZ475-170545-
/O.EXT.KEKA.GL.W.0026.000000T0000Z-240417T2200Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
237 PM PDT Tue Apr 16 2024

...GALE WARNING NOW IN EFFECT UNTIL 3 PM PDT WEDNESDAY...

* WHAT...North winds 25 to 30 kt with gusts up to 40 kt and seas
  11 to 14 feet.

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

* WHEN...Until 3 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.

&&

$$

PZZ455-170545-
/O.CON.KEKA.SC.Y.0048.000000T0000Z-240417T1600Z/
Cape Mendocino to Pt Arena out 10 nm-
237 PM PDT Tue Apr 16 2024

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PDT
WEDNESDAY...

* WHAT...Northwest winds 20 to 30 kt with gusts up to 40 kt and
  seas 7 to 11 feet.

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

* WHEN...Until 9 AM PDT Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$