Alert archive / California / Gale Warnings in 2018

Gale Warning 9, NWS Eureka, CA

February 21, 2018

NWS Eureka, CA issued this gale warning at Feb 21, 2018, 2:58 PM PST. It took effect at Feb 22, 2018, 6:00 AM PST. It was in force for 24 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
Feb 21, 2018, 2:58 PM PST (22:58 UTC)
In effect from
Feb 22, 2018, 6:00 AM PST
Expired
Feb 23, 2018, 6:00 AM PST
In force
24 hr
Issued by
NWS Eureka, CA

The text

As transmitted.

592 
WHUS76 KEKA 212258
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
258 PM PST Wed Feb 21 2018

PZZ470-220700-
/O.EXT.KEKA.SC.Y.0023.180221T2300Z-180222T1400Z/
/O.UPG.KEKA.GL.A.0008.180222T2000Z-180223T0500Z/
/O.NEW.KEKA.GL.W.0009.180222T1400Z-180223T0800Z/
Pt St George to Cape Mendocino 10 to 60 nm-
258 PM PST Wed Feb 21 2018

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 AM PST THURSDAY...
...GALE WARNING IN EFFECT FROM 6 AM THURSDAY TO MIDNIGHT PST
THURSDAY NIGHT...

The National Weather Service in Eureka has issued a Gale Warning,
which is in effect from 6 AM Thursday to midnight PST Thursday
night. The Gale Watch is no longer in effect. 

* WINDS...N 15 to 25 kt late this afternoon...increasing to 25  
  to 30 kt with possible gale force gusts on Thursday.

* SEAS...Combined seas of 7 to 9 feet late Wednesday, increasing
  to 11 to 14 feet late Thursday. 

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 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.

&&

$$

PZZ475-220700-
/O.EXT.KEKA.SC.Y.0023.180221T2300Z-180222T1700Z/
/O.UPG.KEKA.GL.A.0008.180222T2000Z-180223T1100Z/
/O.NEW.KEKA.GL.W.0009.180222T1700Z-180223T1400Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
258 PM PST Wed Feb 21 2018

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 AM PST THURSDAY...
...GALE WARNING IN EFFECT FROM 9 AM THURSDAY TO 6 AM PST FRIDAY...

The National Weather Service in Eureka has issued a Gale Warning,
which is in effect from 9 AM Thursday to 6 AM PST Friday. The
Gale Watch is no longer in effect. 

* WINDS...N 15 to 25 kt late today...increasing to 25 to 30 kt  
  with gusts to 40 kt on Thursday.

* SEAS...Combined seas of 7 to 9 feet late today, increasing to 11
  to 14 feet by Thursday night. 

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 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.

&&

$$

PZZ450-220700-
/O.EXB.KEKA.SC.Y.0023.180222T1400Z-180223T0800Z/
Pt St George to Cape Mendocino out 10 nm-
258 PM PST Wed Feb 21 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM THURSDAY TO MIDNIGHT
PST THURSDAY NIGHT...

The National Weather Service in Eureka has issued a Small Craft
Advisory, which is in effect from 6 AM Thursday to midnight PST
Thursday night. 

* WINDS...N 15 to 25 kt late today...increasing to 20 to 30 kt on
  Thursday. 

* SEAS...Combined seas of 7 to 9 feet late today, increasing to 
  10 to 12 feet by Thursday night. 

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 Gale Watch is issued when the risk of gale force winds of 34 to
47 knots has significantly increased, but the specific timing
and/or location is still uncertain. It is intended to provide
additional lead time for mariners who may wish to consider
altering their plans.

$$

PZZ455-220700-
/O.EXB.KEKA.SC.Y.0023.180222T1700Z-180223T2300Z/
Cape Mendocino to Pt Arena out 10 nm-
258 PM PST Wed Feb 21 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM THURSDAY TO 3 PM PST
FRIDAY...

The National Weather Service in Eureka has issued a Small Craft
Advisory, which is in effect from 9 AM Thursday to 3 PM PST
Friday. 

* WINDS...N 15 to 25 kt late today...increasing to 20 to 30 kt on
  Thursday.
 
* SEAS...Combined seas of 7 to 9 feet late today, increasing to 
  10 to 13 feet by Thursday night. 

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 Gale Watch is issued when the risk of gale force winds of 34 to
47 knots has significantly increased, but the specific timing
and/or location is still uncertain. It is intended to provide
additional lead time for mariners who may wish to consider
altering their plans.

$$
10 follow-up statements
542 
WHUS76 KEKA 220443
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
843 PM PST Wed Feb 21 2018

PZZ470-221245-
/O.CON.KEKA.SC.Y.0023.000000T0000Z-180222T1400Z/
/O.CON.KEKA.GL.W.0009.180222T1400Z-180223T0800Z/
Pt St George to Cape Mendocino 10 to 60 nm-
843 PM PST Wed Feb 21 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM PST
THURSDAY...
...GALE WARNING REMAINS IN EFFECT FROM 6 AM THURSDAY TO MIDNIGHT
PST THURSDAY NIGHT...

* WINDS...N 15 to 25 kt late this afternoon...increasing to 25 
  to 30 kt with possible gale force gusts on Thursday. 

* SEAS...Combined seas of 7 to 9 feet late Wednesday, increasing 
  to 11 to 14 feet late Thursday. 

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 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.

&&

$$

PZZ475-221245-
/O.CON.KEKA.SC.Y.0023.000000T0000Z-180222T1700Z/
/O.CON.KEKA.GL.W.0009.180222T1700Z-180223T1400Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
843 PM PST Wed Feb 21 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST
THURSDAY...
...GALE WARNING REMAINS IN EFFECT FROM 9 AM THURSDAY TO 6 AM PST
FRIDAY...

* WINDS...N 15 to 25 kt late today...increasing to 25 to 30 kt 
  with gusts to 40 kt on Thursday. 

* SEAS...Combined seas of 7 to 9 feet late today, increasing to 
  11 to 14 feet by Thursday night. 

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 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.

&&

$$

PZZ450-221245-
/O.CON.KEKA.SC.Y.0023.180222T1400Z-180223T0800Z/
Pt St George to Cape Mendocino out 10 nm-
843 PM PST Wed Feb 21 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 AM THURSDAY TO
MIDNIGHT PST THURSDAY NIGHT...

* WINDS...N 15 to 25 kt late today...increasing to 20 to 30 kt 
  on Thursday. 

* SEAS...Combined seas of 7 to 9 feet late today, increasing to 
  10 to 12 feet by Thursday night. 

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 Gale Watch is issued when the risk of gale force winds of 34 to
47 knots has significantly increased, but the specific timing
and/or location is still uncertain. It is intended to provide
additional lead time for mariners who may wish to consider
altering their plans.

$$

PZZ455-221245-
/O.CON.KEKA.SC.Y.0023.180222T1700Z-180223T2300Z/
Cape Mendocino to Pt Arena out 10 nm-
843 PM PST Wed Feb 21 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM THURSDAY TO
3 PM PST FRIDAY...

* WINDS...N 15 to 25 kt late today...increasing to 20 to 30 kt 
  on Thursday. 

* SEAS...Combined seas of 7 to 9 feet late today, increasing to 
  10 to 13 feet by Thursday night. 

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 Gale Watch is issued when the risk of gale force winds of 34 to
47 knots has significantly increased, but the specific timing
and/or location is still uncertain. It is intended to provide
additional lead time for mariners who may wish to consider
altering their plans.

$$
715 
WHUS76 KEKA 221118
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
318 AM PST Thu Feb 22 2018

PZZ470-221930-
/O.CON.KEKA.SC.Y.0023.000000T0000Z-180222T1400Z/
/O.CON.KEKA.GL.W.0009.180222T1400Z-180223T0800Z/
Pt St George to Cape Mendocino 10 to 60 nm-
318 AM PST Thu Feb 22 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM EARLY THIS 
MORNING...
...GALE WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING UNTIL 
MIDNIGHT TONIGHT...

* WINDS...N increasing to 20 to 30 kt with gusts to 35 kt today. 

* SEAS...Combined seas building to 11 to 14 feet this afternoon. 

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 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.

$$

PZZ475-221930-
/O.CON.KEKA.SC.Y.0023.000000T0000Z-180222T1700Z/
/O.CON.KEKA.GL.W.0009.180222T1700Z-180223T1400Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
318 AM PST Thu Feb 22 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM THIS 
MORNING... 
...GALE WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 6 AM 
FRIDAY...

* WINDS...NW to N increasing to 20 to 30 kt with gusts to 35 kt
  today.

* SEAS...Combined seas building to 11 to 14 feet by tonight.
  

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 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.

$$

PZZ450-221930-
/O.CON.KEKA.SC.Y.0023.180222T1400Z-180223T0800Z/
Pt St George to Cape Mendocino out 10 nm-
318 AM PST Thu Feb 22 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT 
TONIGHT...

* WINDS...NW to N increasing to 20 to 25 kt today. 

* SEAS...Combined seas building to 10 to 12 feet by tonight.
  

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.

$$

PZZ455-221930-
/O.CON.KEKA.SC.Y.0023.180222T1700Z-180223T2300Z/
Cape Mendocino to Pt Arena out 10 nm-
318 AM PST Thu Feb 22 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING
TO 3 PM FRIDAY...

* WINDS...NW to N increasing to 15 to 25 kt with occasional gusts
  to 35 kt today.

* SEAS...Combined seas building to 10 to 13 feet by tonight. 

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.

$$
257 
WHUS76 KEKA 221415
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
615 AM PST Thu Feb 22 2018

PZZ470-222215-
/O.EXP.KEKA.SC.Y.0023.000000T0000Z-180222T1400Z/
/O.CON.KEKA.GL.W.0009.000000T0000Z-180223T0800Z/
Pt St George to Cape Mendocino 10 to 60 nm-
615 AM PST Thu Feb 22 2018

...GALE WARNING REMAINS IN EFFECT UNTIL MIDNIGHT TONIGHT...
...SMALL CRAFT ADVISORY HAS EXPIRED...

* WINDS...N 20 to 30 kt with gusts to 35 kt today.

* SEAS...Combined seas building to 11 to 14 feet this afternoon.

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.

$$

PZZ475-222215-
/O.CON.KEKA.SC.Y.0023.000000T0000Z-180222T1700Z/
/O.CON.KEKA.GL.W.0009.180222T1700Z-180223T1400Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
615 AM PST Thu Feb 22 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM THIS 
MORNING...
...GALE WARNING REMAINS IN EFFECT UNTIL 6 AM FRIDAY...

* WINDS...NW to N increasing to 20 to 30 kt with gusts to 35 kt 
  today. 

* SEAS...Combined seas building to 11 to 14 feet by tonight.

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 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.

$$

PZZ450-222215-
/O.CON.KEKA.SC.Y.0023.000000T0000Z-180223T0800Z/
Pt St George to Cape Mendocino out 10 nm-
615 AM PST Thu Feb 22 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT 
TONIGHT...

* WINDS...NW to N increasing to 20 to 25 kt today.

* SEAS...Combined seas building to 10 to 12 feet by tonight.

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.

$$

PZZ455-222215-
/O.CON.KEKA.SC.Y.0023.180222T1700Z-180223T2300Z/
Cape Mendocino to Pt Arena out 10 nm-
615 AM PST Thu Feb 22 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM FRIDAY...

* WINDS...NW to N increasing to 15 to 25 kt with occasional 
  gusts to 35 kt today. 

* SEAS...Combined seas building to 10 to 13 feet by tonight.

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.

$$
539 
WHUS76 KEKA 221719
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
919 AM PST Thu Feb 22 2018

PZZ475-230130-
/O.EXP.KEKA.SC.Y.0023.000000T0000Z-180222T1700Z/
/O.CON.KEKA.GL.W.0009.000000T0000Z-180223T1400Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
919 AM PST Thu Feb 22 2018

...GALE WARNING REMAINS IN EFFECT UNTIL 6 AM PST FRIDAY...
...SMALL CRAFT ADVISORY HAS EXPIRED...

* WINDS...NW to N increasing to 20 to 30 kt with gusts to 35 kt 
  today. 

* SEAS...Combined seas building to 11 to 14 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.

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.

&&

$$

PZZ470-230130-
/O.CON.KEKA.GL.W.0009.000000T0000Z-180223T0800Z/
Pt St George to Cape Mendocino 10 to 60 nm-
919 AM PST Thu Feb 22 2018

...GALE WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PST TONIGHT...

* WINDS...N 20 to 30 kt with gusts to 35 kt today.

* SEAS...Combined seas building to 11 to 14 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.

$$

PZZ450-230130-
/O.CON.KEKA.SC.Y.0023.000000T0000Z-180223T0800Z/
Pt St George to Cape Mendocino out 10 nm-
919 AM PST Thu Feb 22 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT PST
TONIGHT...

* WINDS...NW to N increasing to 20 to 25 kt today.

* SEAS...Combined seas building to 10 to 12 feet by tonight.

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.

$$

PZZ455-230130-
/O.CON.KEKA.SC.Y.0023.000000T0000Z-180223T2300Z/
Cape Mendocino to Pt Arena out 10 nm-
919 AM PST Thu Feb 22 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST FRIDAY...

* WINDS...NW to N increasing to 15 to 25 kt with occasional 
  gusts to 35 kt today. 

* SEAS...Combined seas building to 10 to 13 feet by tonight.

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.

$$
194 
WHUS76 KEKA 222124
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
124 PM PST Thu Feb 22 2018

PZZ450-230630-
/O.NEW.KEKA.SE.W.0004.180222T2124Z-180223T0800Z/
/O.EXT.KEKA.SC.Y.0023.000000T0000Z-180223T1100Z/
Pt St George to Cape Mendocino out 10 nm-
124 PM PST Thu Feb 22 2018

...HAZARDOUS SEAS WARNING IN EFFECT UNTIL MIDNIGHT PST TONIGHT...
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 AM PST FRIDAY...

The National Weather Service in Eureka has issued a Hazardous
Seas Warning, which is in effect until midnight PST tonight. 

* WINDS...The strongest winds will be near Point Saint George and
  Cape Mendocino around N 15 to 25 kt with gusts near 30 kt. Light
  winds in other areas should increase through the evening.  

* SEAS...Very steep waves around N 10 to 12 around 8 seconds
  through tonight.
  

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.

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.

&&

$$

PZZ455-230630-
/O.CON.KEKA.SC.Y.0023.000000T0000Z-180223T2300Z/
/O.NEW.KEKA.SE.W.0004.180222T2300Z-180223T0800Z/
Cape Mendocino to Pt Arena out 10 nm-
124 PM PST Thu Feb 22 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST FRIDAY...
...HAZARDOUS SEAS WARNING IN EFFECT UNTIL MIDNIGHT PST TONIGHT...

The National Weather Service in Eureka has issued a Hazardous
Seas Warning, which is in effect until midnight PST tonight. 

* WINDS...Increasing N 15 to 25 kt with occasional gusts near 35
  kt. Strongest wind gusts will be near Cape Mendocino this
  afternoon and then also near Point Arena later tonight. 

* SEAS...NW-N 8 ft around 12 seconds late this afternoon. Very
  steep waves will build through tonight to 10 to 12 ft around 8 
  seconds. 

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.

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.

&&

$$

PZZ470-230630-
/O.CON.KEKA.GL.W.0009.000000T0000Z-180223T0800Z/
Pt St George to Cape Mendocino 10 to 60 nm-
124 PM PST Thu Feb 22 2018

...GALE WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PST TONIGHT...

* WINDS...Northerly gales will persist through tonight with
  occasional gusts near 40 kt possible. 

* SEAS...Steep, combined sea state building to 11 to 14 ft. 

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.

$$

PZZ475-230630-
/O.CON.KEKA.GL.W.0009.000000T0000Z-180223T1400Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
124 PM PST Thu Feb 22 2018

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

* WINDS...Northerly gales will persist through tonight with
  occasional gusts near 40 kt possible.

* SEAS...Steep, combined sea state building to 11 to 14 ft. 

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.

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.

&&

$$
111 
WHUS76 KEKA 222337
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
337 PM PST Thu Feb 22 2018

PZZ470-230745-
/O.CON.KEKA.GL.W.0009.000000T0000Z-180223T0800Z/
Pt St George to Cape Mendocino 10 to 60 nm-
337 PM PST Thu Feb 22 2018

...GALE WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PST TONIGHT...

* WINDS...Northerly gales will persist through tonight with 
  occasional gusts near 40 kt possible. 

* SEAS...Steep, combined sea state building to 11 to 14 ft.

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.

$$

PZZ475-230745-
/O.CON.KEKA.GL.W.0009.000000T0000Z-180223T1400Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
337 PM PST Thu Feb 22 2018

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

* WINDS...Northerly gales will persist through tonight with 
  occasional gusts near 40 kt possible. 

* SEAS...Steep, combined sea state building to 11 to 14 ft.

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.

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.

&&

$$

PZZ450-230745-
/O.CON.KEKA.SE.W.0004.000000T0000Z-180223T0800Z/
/O.CON.KEKA.SC.Y.0023.000000T0000Z-180223T1100Z/
Pt St George to Cape Mendocino out 10 nm-
337 PM PST Thu Feb 22 2018

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PST
TONIGHT...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST FRIDAY...

* WINDS...The strongest winds will be near Point Saint George 
  and Cape Mendocino around N 15 to 25 kt with gusts near 30 kt. 
  Light winds in other areas should increase through the 
  evening. 

* SEAS...Very steep waves around N 10 to 12 around 8 seconds 
  through tonight. 

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.

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.

&&

$$

PZZ455-230745-
/O.CON.KEKA.SE.W.0004.000000T0000Z-180223T0800Z/
/O.CON.KEKA.SC.Y.0023.000000T0000Z-180223T2300Z/
Cape Mendocino to Pt Arena out 10 nm-
337 PM PST Thu Feb 22 2018

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PST
TONIGHT...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST FRIDAY...

* WINDS...Increasing N 15 to 25 kt with occasional gusts near 35 
  kt. Strongest wind gusts will be near Cape Mendocino this 
  afternoon and then also near Point Arena later tonight. 

* SEAS...NW-N 8 ft around 12 seconds late this afternoon. Very 
  steep waves will build through tonight to 10 to 12 ft around 8 
  seconds. 

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.

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.

&&

$$
624 
WHUS76 KEKA 230422
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
822 PM PST Thu Feb 22 2018

PZZ470-230800-
/O.CON.KEKA.GL.W.0009.000000T0000Z-180223T0800Z/
Pt St George to Cape Mendocino 10 to 60 nm-
822 PM PST Thu Feb 22 2018

...GALE WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PST TONIGHT...

* WINDS...Northerly gales will persist through tonight with 
  occasional gusts near 40 kt possible. 

* SEAS...Steep, combined sea state 11 to 14 ft.

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.

$$

PZZ475-231230-
/O.CON.KEKA.GL.W.0009.000000T0000Z-180223T1400Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
822 PM PST Thu Feb 22 2018

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

* WINDS...Northerly gales will persist through tonight with 
  occasional gusts near 40 kt possible. 

* SEAS...Steep, combined sea state 11 to 14 ft.

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.

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.

&&

$$

PZZ450-231100-
/O.CON.KEKA.SE.W.0004.000000T0000Z-180223T0800Z/
/O.CON.KEKA.SC.Y.0023.000000T0000Z-180223T1100Z/
Pt St George to Cape Mendocino out 10 nm-
822 PM PST Thu Feb 22 2018

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PST
TONIGHT...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST FRIDAY...

* WINDS...The strongest winds will be near Point Saint George 
  and Cape Mendocino around N 15 to 25 kt with gusts near 30 kt. 
  Light winds in other areas should increase through the 
  evening. 

* SEAS...Very steep waves around N 10 to 12 around 8 seconds 
  through tonight. 

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.

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.

&&

$$

PZZ455-231230-
/O.CON.KEKA.SE.W.0004.000000T0000Z-180223T0800Z/
/O.CON.KEKA.SC.Y.0023.000000T0000Z-180223T2300Z/
Cape Mendocino to Pt Arena out 10 nm-
822 PM PST Thu Feb 22 2018

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PST
TONIGHT...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST FRIDAY...

* WINDS...Increasing N 15 to 25 kt with occasional gusts near 35 
  kt. Strongest wind gusts will be near Cape Mendocino this 
  afternoon and then also near Point Arena later tonight. 

* SEAS...NW-N 8 ft around 12 seconds late this afternoon. Very 
  steep waves will build through tonight to 10 to 12 ft around 8 
  seconds. 

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.

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.

&&

$$
656 
WHUS76 KEKA 230647
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
1047 PM PST Thu Feb 22 2018

PZZ470-231100-
/O.EXT.KEKA.GL.W.0009.000000T0000Z-180223T1100Z/
Pt St George to Cape Mendocino 10 to 60 nm-
1047 PM PST Thu Feb 22 2018

...GALE WARNING NOW IN EFFECT UNTIL 3 AM PST FRIDAY...

* WINDS...Northerly gales will persist through tonight with 
  occasional gusts near 40 kt possible. 

* SEAS...Steep, combined sea state 11 to 14 ft.

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.

$$

PZZ450-231500-
/O.EXT.KEKA.SE.W.0004.000000T0000Z-180223T1100Z/
/O.EXT.KEKA.SC.Y.0023.000000T0000Z-180223T1700Z/
Pt St George to Cape Mendocino out 10 nm-
1047 PM PST Thu Feb 22 2018

...HAZARDOUS SEAS WARNING NOW IN EFFECT UNTIL 3 AM PST FRIDAY...
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 AM PST FRIDAY...

* WINDS...The strongest winds will be near Point Saint George 
  and Cape Mendocino around N 15 to 25 kt with gusts near 30 kt. 
  Light winds in other areas should increase through the 
  evening. 

* SEAS...Very steep waves around N 10 to 12 around 8 seconds 
  through tonight. 

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.

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.

&&

$$

PZZ455-231500-
/O.EXT.KEKA.SE.W.0004.000000T0000Z-180223T1100Z/
/O.CON.KEKA.SC.Y.0023.000000T0000Z-180223T2300Z/
Cape Mendocino to Pt Arena out 10 nm-
1047 PM PST Thu Feb 22 2018

...HAZARDOUS SEAS WARNING NOW IN EFFECT UNTIL 3 AM PST FRIDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST FRIDAY...

* WINDS...Increasing N 15 to 25 kt with occasional gusts near 35 
  kt. Strongest wind gusts will be near Cape Mendocino this 
  afternoon and then also near Point Arena later tonight. 

* SEAS...NW-N 8 ft around 12 seconds late this afternoon. Very 
  steep waves will build through tonight to 10 to 12 ft around 8 
  seconds. 

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.

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.

&&

$$

PZZ475-231400-
/O.CON.KEKA.GL.W.0009.000000T0000Z-180223T1400Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
1047 PM PST Thu Feb 22 2018

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

* WINDS...Northerly gales will persist through tonight with 
  occasional gusts near 40 kt possible. 

* SEAS...Steep, combined sea state 11 to 14 ft.

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.

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.

&&

$$
874 
WHUS76 KEKA 231103
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
303 AM PST Fri Feb 23 2018

PZZ470-231700-
/O.EXP.KEKA.GL.W.0009.000000T0000Z-180223T1100Z/
/O.EXB.KEKA.SC.Y.0023.180223T1103Z-180223T1700Z/
Pt St George to Cape Mendocino 10 to 60 nm-
303 AM PST Fri Feb 23 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM THIS MORNING...

* SEAS...Steep N waves 10 to 12 ft at around 10 seconds this
  morning.

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.

$$

PZZ450-231700-
/O.EXT.KEKA.SE.W.0004.000000T0000Z-180223T1400Z/
/O.CON.KEKA.SC.Y.0023.000000T0000Z-180223T1700Z/
Pt St George to Cape Mendocino out 10 nm-
303 AM PST Fri Feb 23 2018

...HAZARDOUS SEAS WARNING NOW IN EFFECT UNTIL 6 AM EARLY THIS 
MORNING... 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM THIS 
MORNING...

* WINDS...The strongest N winds will be near Point Saint George
  and Cape Mendocino around 10 to 20 kt with gusts near 30 kt in
  the morning. 

* SEAS...Very steep N waves 7 to 9 ft at around 9 seconds this
  morning. 

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.

$$

PZZ455-231915-
/O.EXT.KEKA.SE.W.0004.000000T0000Z-180223T1400Z/
/O.EXT.KEKA.SC.Y.0023.000000T0000Z-180224T0200Z/
Cape Mendocino to Pt Arena out 10 nm-
303 AM PST Fri Feb 23 2018

...HAZARDOUS SEAS WARNING NOW IN EFFECT UNTIL 6 AM EARLY THIS 
MORNING... 
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 PM THIS EVENING...

* WINDS...N 20 to 30 kt subsiding tonight. Strongest wind gusts
  will be near Point Arena. 

* SEAS...NW 8 to 10 ft at 10 seconds today. 

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.

$$

PZZ475-231400-
/O.CON.KEKA.GL.W.0009.000000T0000Z-180223T1400Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
303 AM PST Fri Feb 23 2018

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

* WINDS...Northerly gales will persist through early this morning
  with gusts near 35 kt. 

* SEAS...Steep, combined sea state 11 to 14 ft.

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.

$$
939 
WHUS76 KEKA 231413
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
613 AM PST Fri Feb 23 2018

PZZ475-232215-
/O.EXP.KEKA.GL.W.0009.000000T0000Z-180223T1400Z/
/O.EXB.KEKA.SC.Y.0023.000000T0000Z-180224T0500Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
613 AM PST Fri Feb 23 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM THIS EVENING...
...GALE WARNING HAS EXPIRED...

* WINDS...N 20 to 30 kt today.

* SEAS...Steep N waves 10 to 12 ft at around 10 seconds today. 

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.

$$

PZZ450-231700-
/O.EXP.KEKA.SE.W.0004.000000T0000Z-180223T1400Z/
/O.CON.KEKA.SC.Y.0023.000000T0000Z-180223T1700Z/
Pt St George to Cape Mendocino out 10 nm-
613 AM PST Fri Feb 23 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM THIS 
MORNING...
...HAZARDOUS SEAS WARNING HAS EXPIRED...

* WINDS...N 10 to 20 kt. Gusts to 30 kt this morning. 

* SEAS...Steep N waves 7 to 9 ft at around 9 seconds this 
  morning. 

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.

$$

PZZ455-232215-
/O.EXP.KEKA.SE.W.0004.000000T0000Z-180223T1400Z/
/O.CON.KEKA.SC.Y.0023.000000T0000Z-180224T0200Z/
Cape Mendocino to Pt Arena out 10 nm-
613 AM PST Fri Feb 23 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM THIS 
EVENING...
...HAZARDOUS SEAS WARNING HAS EXPIRED...

* WINDS...N 20 to 30 kt subsiding tonight. Strongest wind gusts 
  will be near Point Arena. 

* SEAS...NW 8 to 10 ft at 10 seconds today.

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.

$$

PZZ470-231700-
/O.CON.KEKA.SC.Y.0023.000000T0000Z-180223T1700Z/
Pt St George to Cape Mendocino 10 to 60 nm-
613 AM PST Fri Feb 23 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM THIS 
MORNING...

* WINDS...N 20 to 30 kt today.

* SEAS...Steep N waves 10 to 12 ft at around 10 seconds today. 

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.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 21, 3:21 AM PSTWinter Weather AdvisoryEKADel Norte, Humboldt, Trinity37 hr
Feb 21, 3:22 AM PSTGale WatchEKA12 hr
Feb 21, 3:22 AM PSTHard Freeze WatchEKADel Norte, Humboldt, Mendocino34 hr

Nearby

Gale Warnings in California, 2018Every gale warning in 2018

Sources

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