Marine Weather Message
Issued by NWS Eureka, CA

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403
WHUS76 KEKA 172258
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
258 PM PST Wed Jan 17 2018

PZZ455-180700-
/O.EXP.KEKA.SC.Y.0006.000000T0000Z-180117T2300Z/
/O.EXT.KEKA.SE.W.0002.180118T0500Z-180120T1800Z/
Cape Mendocino to Pt Arena out 10 nm-
258 PM PST Wed Jan 17 2018

...HAZARDOUS SEAS WARNING NOW IN EFFECT FROM 9 PM THIS EVENING TO
10 AM PST SATURDAY...

* WAVES...A significant swell will move into the area by early
  Thursday morning with combined seas of 18 to 24 feet around 18
  seconds.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Hazardous Seas Warning means hazardous sea conditions are
imminent or occurring. Recreational boaters should remain in
port, or take shelter until waves subside.  Commercial vessels
should prepare for rough seas and consider remaining in port or
taking shelter in port until hazardous seas subside.

&&

$$

PZZ470-180700-
/O.EXT.KEKA.GL.W.0003.000000T0000Z-180118T0500Z/
/O.EXT.KEKA.SE.W.0002.180118T0500Z-180120T1800Z/
Pt St George to Cape Mendocino 10 to 60 nm-
258 PM PST Wed Jan 17 2018

...GALE WARNING NOW IN EFFECT UNTIL 9 PM PST THIS EVENING...
...HAZARDOUS SEAS WARNING NOW IN EFFECT FROM 9 PM THIS EVENING TO
10 AM PST SATURDAY...

* WINDS...Winds 25 to 35 kt with locally higher gusts...
  diminishing tonight.

* WAVES...Combined seas 13 to 18 ft through this evening... A
  significant swell will move into the area by late Wednesday
  night with combined seas of 23 to 28 feet.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Gale Warning means winds of 34 to 47 knots are imminent or
occurring. Operating a vessel in gale conditions requires
experience and properly equipped vessels. It is highly
recommended that mariners without the proper experience seek safe
harbor prior to the onset of gale conditions.

A Hazardous Seas Warning means hazardous sea conditions are
imminent or occurring. Recreational boaters should remain in
port, or take shelter until waves subside.  Commercial vessels
should prepare for rough seas and consider remaining in port or
taking shelter in port until hazardous seas subside.

&&

$$

PZZ450-180700-
/O.EXT.KEKA.SC.Y.0006.000000T0000Z-180118T1100Z/
/O.EXT.KEKA.SE.W.0002.180118T0500Z-180120T1800Z/
Pt St George to Cape Mendocino out 10 nm-
258 PM PST Wed Jan 17 2018

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 AM PST THURSDAY...
...HAZARDOUS SEAS WARNING NOW IN EFFECT FROM 9 PM THIS EVENING TO
10 AM PST SATURDAY...

* WINDS...Winds 15 to 25 kt with higher gusts... diminishing
  tonight.

* WAVES...Combined seas 12 to 16 ft through today. A significant
  swell will move into the area by early Thursday morning with a
  combined seas of 18 to 24 feet.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
are expected to produce hazardous wave conditions to small craft.
Inexperienced mariners, especially those operating smaller
vessels should avoid navigating in these conditions.

A Hazardous Seas Warning means hazardous sea conditions are
imminent or occurring. Recreational boaters should remain in
port, or take shelter until waves subside.  Commercial vessels
should prepare for rough seas and consider remaining in port or
taking shelter in port until hazardous seas subside.

&&

$$

PZZ475-180700-
/O.EXT.KEKA.SC.Y.0006.000000T0000Z-180118T0500Z/
/O.EXT.KEKA.SE.W.0002.180118T0500Z-180120T1800Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
258 PM PST Wed Jan 17 2018

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 PM PST THIS
EVENING...
...HAZARDOUS SEAS WARNING NOW IN EFFECT FROM 9 PM THIS EVENING TO
10 AM PST SATURDAY...

* WINDS...Winds 15 to 25 kt with higher gusts... diminishing
  tonight.

* WAVES...Combined seas 13 to 15 ft through today. A significant
  swell will move into the area by late Wednesday night with
  combined seas of 20 to 24 feet.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
are expected to produce hazardous wave conditions to small craft.
Inexperienced mariners, especially those operating smaller
vessels should avoid navigating in these conditions.

A Hazardous Seas Warning means hazardous sea conditions are
imminent or occurring. Recreational boaters should remain in
port, or take shelter until waves subside.  Commercial vessels
should prepare for rough seas and consider remaining in port or
taking shelter in port until hazardous seas subside.

&&

$$



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