Alert archive / California / Gale Warnings in 2018

Gale Warning 4, NWS Eureka, CA

January 20, 2018

NWS Eureka, CA issued this gale warning at Jan 20, 2018, 2:45 AM PST. It took effect at Jan 21, 2018, 3:00 AM PST. It was in force for 15 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
Jan 20, 2018, 2:45 AM PST (10:45 UTC)
In effect from
Jan 21, 2018, 3:00 AM PST
Expired
Jan 21, 2018, 6:00 PM PST
In force
15 hr
Issued by
NWS Eureka, CA

The text

As transmitted.

143 
WHUS76 KEKA 201045
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
245 AM PST Sat Jan 20 2018

PZZ470-201845-
/O.CON.KEKA.SC.Y.0009.000000T0000Z-180121T1100Z/
/O.UPG.KEKA.GL.A.0003.180121T1100Z-180122T0100Z/
/O.NEW.KEKA.GL.W.0004.180121T1100Z-180122T0100Z/
Pt St George to Cape Mendocino 10 to 60 nm-
245 AM PST Sat Jan 20 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST SUNDAY...
...GALE WARNING IN EFFECT FROM 3 AM TO 5 PM PST SUNDAY...

The National Weather Service in Eureka has issued a Gale Warning,
which is in effect from 3 AM to 5 PM PST Sunday. The Gale Watch
is no longer in effect. 

* WAVES...West 10 to 15 feet at 14 seconds through early Saturday
  night. Southerly wind waves will increase to 10 to 12 feet on
  Sunday, while a long period westerly swell builds to 14 to 16 
  feet.

* WINDS...Southerly winds from 25 to 35 kt with gusts to 45 kt on
  Sunday.

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 hazardous wave conditions will
exist for small craft. Inexperienced mariners, especially those
operating smaller vessels, should avoid navigating in these
conditions.

&&

$$

PZZ455-201845-
/O.EXT.KEKA.SC.Y.0009.000000T0000Z-180121T1800Z/
/O.EXT.KEKA.GL.A.0003.180121T1800Z-180122T0100Z/
Cape Mendocino to Pt Arena out 10 nm-
245 AM PST Sat Jan 20 2018

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 AM PST SUNDAY...
...GALE WATCH NOW IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
AFTERNOON...

* WAVES...West 10 to 15 feet at 12 to 15 seconds through Saturday
  night. Southerly wind waves will increase to around 10 feet 
  during Sunday, while a long period westerly swell builds to 14 
  feet.

* WINDS...Southerly winds gusting to 40 kt during Sunday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that hazardous wave conditions will
exist for 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.

&&

$$

PZZ450-475-201845-
/O.CON.KEKA.SC.Y.0009.000000T0000Z-180121T1100Z/
/O.CON.KEKA.GL.A.0003.180121T1100Z-180122T0100Z/
Pt St George to Cape Mendocino out 10 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
245 AM PST Sat Jan 20 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST SUNDAY...
...GALE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY
AFTERNOON...

* WAVES...West 10 to 15 feet at 12 to 14 seconds through Saturday
  night. Southerly wind waves will increase to 10 to 12 feet on
  Sunday, while a long period westerly swell rebuilds to 12 to 16
  feet. 

* WINDS...Southerly winds gusting to 40 kt during Sunday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that hazardous wave conditions will
exist for 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.

&&

$$
8 follow-up statements
831 
WHUS76 KEKA 201657
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
857 AM PST Sat Jan 20 2018

PZZ470-210100-
/O.CON.KEKA.SC.Y.0009.000000T0000Z-180121T1100Z/
/O.CON.KEKA.GL.W.0004.180121T1100Z-180122T0100Z/
Pt St George to Cape Mendocino 10 to 60 nm-
857 AM PST Sat Jan 20 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST SUNDAY...
...GALE WARNING REMAINS IN EFFECT FROM 3 AM TO 5 PM PST SUNDAY...

* WAVES...West 10 to 15 feet at 14 seconds through early 
  Saturday night. Southerly wind waves will increase to 10 to 12 
  feet on Sunday, while a long period westerly swell builds to 
  14 to 16 feet. 

* WINDS...Southerly winds from 25 to 35 kt with gusts to 45 kt 
  on Sunday. 

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 hazardous wave conditions will
exist for small craft. Inexperienced mariners, especially those
operating smaller vessels, should avoid navigating in these
conditions.

&&

$$

PZZ450-475-210100-
/O.CON.KEKA.SC.Y.0009.000000T0000Z-180121T1100Z/
/O.CON.KEKA.GL.A.0003.180121T1100Z-180122T0100Z/
Pt St George to Cape Mendocino out 10 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
857 AM PST Sat Jan 20 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST SUNDAY...
...GALE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY
AFTERNOON...

* WAVES...West 10 to 15 feet at 12 to 14 seconds through 
  Saturday night. Southerly wind waves will increase to 10 to 12 
  feet on Sunday, while a long period westerly swell rebuilds to 
  12 to 16 feet. 

* WINDS...Southerly winds gusting to 40 kt during Sunday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that hazardous wave conditions will
exist for 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.

&&

$$

PZZ455-210100-
/O.CON.KEKA.SC.Y.0009.000000T0000Z-180121T1800Z/
/O.CON.KEKA.GL.A.0003.180121T1800Z-180122T0100Z/
Cape Mendocino to Pt Arena out 10 nm-
857 AM PST Sat Jan 20 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
SUNDAY...
...GALE WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY AFTERNOON...

* WAVES...West 10 to 15 feet at 12 to 15 seconds through 
  Saturday night. Southerly wind waves will increase to around 
  10 feet during Sunday, while a long period westerly swell 
  builds to 14 feet. 

* WINDS...Southerly winds gusting to 40 kt during Sunday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that hazardous wave conditions will
exist for 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.

&&

$$
764 
WHUS76 KEKA 202226
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
226 PM PST Sat Jan 20 2018

PZZ450-210630-
/O.EXT.KEKA.SC.Y.0009.000000T0000Z-180121T1700Z/
/O.UPG.KEKA.GL.A.0003.180121T1100Z-180122T0100Z/
/O.EXB.KEKA.GL.W.0004.180121T1700Z-180122T0100Z/
Pt St George to Cape Mendocino out 10 nm-
226 PM PST Sat Jan 20 2018

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 AM PST SUNDAY...
...GALE WARNING IN EFFECT FROM 9 AM TO 5 PM PST SUNDAY...

The National Weather Service in Eureka has issued a Gale Warning,
which is in effect from 9 AM to 5 PM PST Sunday. The Gale Watch
is no longer in effect. 

* WAVES...W 11 to 13 ft at 13 seconds tonight...subsiding to 8 to
  10 ft Sun morning. Southerly wind waves will then build to 8 to
  10 ft at 8 to 10 seconds through the day on Sun while westerly
  swell builds to 14 to 16 ft at 15 seconds. Seas will remain 
  elevated and hazardous on Mon.
  

* WINDS...Southerly gusts to 40 kt on Sun.

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.

&&

$$

PZZ455-210630-
/O.EXT.KEKA.SC.Y.0009.000000T0000Z-180121T2000Z/
/O.UPG.KEKA.GL.A.0003.180121T1800Z-180122T0100Z/
/O.EXB.KEKA.GL.W.0004.180121T2000Z-180122T0200Z/
Cape Mendocino to Pt Arena out 10 nm-
226 PM PST Sat Jan 20 2018

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL NOON PST SUNDAY...
...GALE WARNING IN EFFECT FROM NOON TO 6 PM PST SUNDAY...

The National Weather Service in Eureka has issued a Gale Warning,
which is in effect from noon to 6 PM PST Sunday. The Gale Watch
is no longer in effect. 

* WAVES...W 11 to 13 ft at 13 seconds tonight...subsiding to 8 to
  10 ft Sun morning. Southerly wind waves will then build to 5 to
  7 ft at 5 seconds during the afternoon Sun while westerly swell
  builds to 13 to 15 ft at 15 seconds by Sun evening. Seas will 
  remain elevated and hazardous on Mon.
  

* WINDS...Southerly gusts to 40 kt Sun 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.

&&

$$

PZZ475-210630-
/O.EXT.KEKA.SC.Y.0009.000000T0000Z-180121T1700Z/
/O.UPG.KEKA.GL.A.0003.180121T1100Z-180122T0100Z/
/O.EXB.KEKA.GL.W.0004.180121T1700Z-180122T0200Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
226 PM PST Sat Jan 20 2018

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

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

* WAVES...Combined seas 11 to 13 ft at 13 seconds tonight building
  to 18 to 20 ft Sun afternoon and evening with periods from 7 to
  15 seconds. Seas will remain elevated and hazardous on Mon. 

* WINDS...Southerly gusts to 40 kt during the day Sun.

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.

&&

$$

PZZ470-210630-
/O.CON.KEKA.SC.Y.0009.000000T0000Z-180121T1100Z/
/O.CON.KEKA.GL.W.0004.180121T1100Z-180122T0100Z/
Pt St George to Cape Mendocino 10 to 60 nm-
226 PM PST Sat Jan 20 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST SUNDAY...
...GALE WARNING REMAINS IN EFFECT FROM 3 AM TO 5 PM PST SUNDAY...

* WAVES....W 11 to 13 ft at 13 seconds tonight. On Sun, southerly
  wind waves will build to 10 to 12 ft at 8 to 10 seconds while westerly
  swell builds to 15 to 17 ft at 15 seconds. Seas will remain 
  elevated and hazardous on Mon.
  

* WINDS...Southerly winds from 25 to 35 kt with gusts to 45 kt on
  Sun. 

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 hazardous wave conditions will
exist for small craft. Inexperienced mariners, especially those
operating smaller vessels, should avoid navigating in these
conditions.

&&

$$
095 
WHUS76 KEKA 210439
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
839 PM PST Sat Jan 20 2018

PZZ450-211245-
/O.CON.KEKA.SC.Y.0009.000000T0000Z-180121T1700Z/
/O.CON.KEKA.GL.W.0004.180121T1700Z-180122T0100Z/
Pt St George to Cape Mendocino out 10 nm-
839 PM PST Sat Jan 20 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST SUNDAY...
...GALE WARNING REMAINS IN EFFECT FROM 9 AM TO 5 PM PST SUNDAY...

* WAVES...W 11 to 13 ft at 13 seconds tonight...subsiding to 8 
  to 10 ft Sun morning. Southerly wind waves will then build to 
  8 to 10 ft at 8 to 10 seconds through the day on Sun while 
  westerly swell builds to 14 to 16 ft at 15 seconds. Seas will 
  remain elevated and hazardous on Mon. 

* WINDS...Southerly gusts to 40 kt on Sun.

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.

&&

$$

PZZ470-211245-
/O.CON.KEKA.SC.Y.0009.000000T0000Z-180121T1100Z/
/O.CON.KEKA.GL.W.0004.180121T1100Z-180122T0100Z/
Pt St George to Cape Mendocino 10 to 60 nm-
839 PM PST Sat Jan 20 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST SUNDAY...
...GALE WARNING REMAINS IN EFFECT FROM 3 AM TO 5 PM PST SUNDAY...

* WAVES....W 11 to 13 ft at 13 seconds tonight. On Sun, 
  southerly wind waves will build to 10 to 12 ft at 8 to 10 
  seconds while westerly swell builds to 15 to 17 ft at 15 
  seconds. Seas will remain elevated and hazardous on Mon. 

* WINDS...Southerly winds from 25 to 35 kt with gusts to 45 kt 
  on Sun. 

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 hazardous wave conditions will
exist for small craft. Inexperienced mariners, especially those
operating smaller vessels, should avoid navigating in these
conditions.

&&

$$

PZZ455-211245-
/O.CON.KEKA.SC.Y.0009.000000T0000Z-180121T2000Z/
/O.CON.KEKA.GL.W.0004.180121T2000Z-180122T0200Z/
Cape Mendocino to Pt Arena out 10 nm-
839 PM PST Sat Jan 20 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON PST SUNDAY...
...GALE WARNING REMAINS IN EFFECT FROM NOON TO 6 PM PST SUNDAY...

* WAVES...W 11 to 13 ft at 13 seconds tonight...subsiding to 8 
  to 10 ft Sun morning. Southerly wind waves will then build to 
  5 to 7 ft at 5 seconds during the afternoon Sun while westerly 
  swell builds to 13 to 15 ft at 15 seconds by Sun evening. Seas 
  will remain elevated and hazardous on Mon. 

* WINDS...Southerly gusts to 40 kt Sun 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.

&&

$$

PZZ475-211245-
/O.CON.KEKA.SC.Y.0009.000000T0000Z-180121T1700Z/
/O.CON.KEKA.GL.W.0004.180121T1700Z-180122T0200Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
839 PM PST Sat Jan 20 2018

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

* WAVES...Combined seas 11 to 13 ft at 13 seconds tonight 
  building to 18 to 20 ft Sun afternoon and evening with periods 
  from 7 to 15 seconds. Seas will remain elevated and hazardous 
  on Mon. 

* WINDS...Southerly gusts to 40 kt during the day Sun.

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.

&&

$$
624 
WHUS76 KEKA 211038
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
238 AM PST Sun Jan 21 2018

PZZ470-211845-
/O.EXP.KEKA.SC.Y.0009.000000T0000Z-180121T1100Z/
/O.CON.KEKA.GL.W.0004.180121T1100Z-180122T0100Z/
Pt St George to Cape Mendocino 10 to 60 nm-
238 AM PST Sun Jan 21 2018

...GALE WARNING REMAINS IN EFFECT UNTIL 5 PM PST THIS AFTERNOON...

* WAVES....West swell building to 17 feet at 15 seconds.
  Southwesterly wind waves building to 12 feet at 10 seconds. 

* WINDS...Southerly winds from 25 to 35 kt with gusts to 45 kt 
  on Sun. 

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.

&&

$$

PZZ450-211845-
/O.CON.KEKA.SC.Y.0009.000000T0000Z-180121T1700Z/
/O.CON.KEKA.GL.W.0004.180121T1700Z-180122T0100Z/
Pt St George to Cape Mendocino out 10 nm-
238 AM PST Sun Jan 21 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST THIS
MORNING...
...GALE WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 5 PM
PST THIS AFTERNOON...

* WAVES...West swell building to 13 feet at 16 seconds.
  Southwesterly wind waves building to 9 feet at 9 seconds.

* WINDS...Southerly winds 20 to 30 kt gusting up to 45 kt.

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.

&&

$$

PZZ455-211845-
/O.CON.KEKA.SC.Y.0009.000000T0000Z-180121T2000Z/
/O.CON.KEKA.GL.W.0004.180121T2000Z-180122T0200Z/
Cape Mendocino to Pt Arena out 10 nm-
238 AM PST Sun Jan 21 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON PST TODAY...
...GALE WARNING REMAINS IN EFFECT FROM NOON TODAY TO 6 PM PST
THIS EVENING...

* WAVES...Westerly swell building to 12 feet at 17 seconds during
  the afternoon. Southwesterly wind waves 8 feet at 8 seconds
  during the afternoon.

* WINDS...Southerly winds strengthening to 20 to 30 kt with gusts
  to 40 kt during the 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.

&&

$$

PZZ475-211845-
/O.CON.KEKA.SC.Y.0009.000000T0000Z-180121T1700Z/
/O.CON.KEKA.GL.W.0004.180121T1700Z-180122T0200Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
238 AM PST Sun Jan 21 2018

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

* WAVES...Westerly swell building to 15 feet at 16 seconds.
  Southwesterly wind waves 12 feet at 10 seconds. 

* WINDS...Southerly winds strengthening to 20 to 30 kt during the
  late morning with gusts to 45 kt.

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.

&&

$$
609 
WHUS76 KEKA 211620
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
820 AM PST Sun Jan 21 2018

PZZ450-220030-
/O.CAN.KEKA.SC.Y.0009.000000T0000Z-180121T1700Z/
/O.CON.KEKA.GL.W.0004.180121T1700Z-180122T0100Z/
Pt St George to Cape Mendocino out 10 nm-
820 AM PST Sun Jan 21 2018

...GALE WARNING REMAINS IN EFFECT UNTIL 5 PM PST THIS AFTERNOON...

The National Weather Service in Eureka has cancelled the Small
Craft Advisory. 

* WAVES...West swell building to 13 feet at 16 seconds. 
  Southwesterly wind waves building to 9 feet at 9 seconds. 

* WINDS...Southerly winds 20 to 30 kt gusting up to 45 kt.

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.

&&

$$

PZZ455-220030-
/O.CAN.KEKA.SC.Y.0009.000000T0000Z-180121T2000Z/
/O.CON.KEKA.GL.W.0004.180121T2000Z-180122T0200Z/
Cape Mendocino to Pt Arena out 10 nm-
820 AM PST Sun Jan 21 2018

...GALE WARNING REMAINS IN EFFECT FROM NOON TODAY TO 6 PM PST
THIS EVENING...

The National Weather Service in Eureka has cancelled the Small
Craft Advisory. 

* WAVES...Westerly swell building to 12 feet at 17 seconds 
  during the afternoon. Southwesterly wind waves 8 feet at 8 
  seconds during the afternoon. 

* WINDS...Southerly winds strengthening to 20 to 30 kt with 
  gusts to 40 kt during the 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.

&&

$$

PZZ475-220030-
/O.CAN.KEKA.SC.Y.0009.000000T0000Z-180121T1700Z/
/O.CON.KEKA.GL.W.0004.180121T1700Z-180122T0200Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
820 AM PST Sun Jan 21 2018

...GALE WARNING REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING...

The National Weather Service in Eureka has cancelled the Small 
Craft Advisory. 

* WAVES...Westerly swell building to 15 feet at 16 seconds. 
  Southwesterly wind waves 12 feet at 10 seconds. 

* WINDS...Southerly winds strengthening to 20 to 30 kt during 
  the late morning with gusts to 45 kt. 

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.

&&

$$

PZZ470-220030-
/O.CON.KEKA.GL.W.0004.000000T0000Z-180122T0100Z/
Pt St George to Cape Mendocino 10 to 60 nm-
820 AM PST Sun Jan 21 2018

...GALE WARNING REMAINS IN EFFECT UNTIL 5 PM PST THIS AFTERNOON...

* WAVES....West swell building to 17 feet at 15 seconds. 
  Southwesterly wind waves building to 12 feet at 10 seconds. 

* WINDS...Southerly winds 25 to 35 kt with gusts to 45 kt today.
  

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.

&&

$$
322 
WHUS76 KEKA 212250
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
250 PM PST Sun Jan 21 2018

PZZ450-220100-
/O.CON.KEKA.GL.W.0004.000000T0000Z-180122T0100Z/
Pt St George to Cape Mendocino out 10 nm-
250 PM PST Sun Jan 21 2018

...GALE WARNING REMAINS IN EFFECT UNTIL 5 PM PST THIS AFTERNOON...

* WAVES...West swell building to 13 feet at 16 seconds. 
  Southwesterly wind waves building to 9 feet at 9 seconds. 

* WINDS...Southerly winds 20 to 30 kt gusting up to 45 kt.

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.

&&

$$

PZZ455-220200-
/O.CON.KEKA.GL.W.0004.000000T0000Z-180122T0200Z/
Cape Mendocino to Pt Arena out 10 nm-
250 PM PST Sun Jan 21 2018

...GALE WARNING REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING...

* WAVES...Westerly swell building to 12 feet at 17 seconds 
  during the afternoon. Southwesterly wind waves 8 feet at 8 
  seconds during the afternoon. 

* WINDS...Southerly winds strengthening to 20 to 30 kt with 
  gusts to 40 kt during the 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.

&&

$$

PZZ470-220100-
/O.CON.KEKA.GL.W.0004.000000T0000Z-180122T0100Z/
Pt St George to Cape Mendocino 10 to 60 nm-
250 PM PST Sun Jan 21 2018

...GALE WARNING REMAINS IN EFFECT UNTIL 5 PM PST THIS AFTERNOON...

* WAVES....West swell building to 17 feet at 15 seconds. 
  Southwesterly wind waves building to 12 feet at 10 seconds. 

* WINDS...Southerly winds 25 to 35 kt with gusts to 45 kt today.

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.

&&

$$

PZZ475-220200-
/O.CON.KEKA.GL.W.0004.000000T0000Z-180122T0200Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
250 PM PST Sun Jan 21 2018

...GALE WARNING REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING...

* WAVES...Westerly swell building to 15 feet at 16 seconds. 
  Southwesterly wind waves 12 feet at 10 seconds. 

* WINDS...Southerly winds strengthening to 20 to 30 kt during 
  the late morning with gusts to 45 kt. 

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.

&&

$$
099 
WHUS76 KEKA 220050
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
450 PM PST Sun Jan 21 2018

PZZ450-220900-
/O.EXP.KEKA.GL.W.0004.000000T0000Z-180122T0100Z/
/O.NEW.KEKA.SC.Y.0010.180122T0100Z-180123T1100Z/
Pt St George to Cape Mendocino out 10 nm-
450 PM PST Sun Jan 21 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM PST TUESDAY...

The National Weather Service in Eureka has issued a Small Craft
Advisory, which is in effect until 3 AM PST Tuesday. 

* WAVES...West swell 16-19 feet around 14 seconds. 

* WINDS...Southerly winds 15 to 25 kt.

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.

&&

$$

PZZ470-220900-
/O.EXP.KEKA.GL.W.0004.000000T0000Z-180122T0100Z/
/O.NEW.KEKA.SC.Y.0010.180122T0100Z-180123T1100Z/
Pt St George to Cape Mendocino 10 to 60 nm-
450 PM PST Sun Jan 21 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM PST TUESDAY...

The National Weather Service in Eureka has issued a Small Craft
Advisory, which is in effect until 3 AM PST Tuesday. 

* WAVES....West swell 16-19 feet around 14 seconds. 

* WINDS...Southerly winds 10 to 20 kt.



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.

&&

$$

PZZ455-220200-
/O.CON.KEKA.GL.W.0004.000000T0000Z-180122T0200Z/
Cape Mendocino to Pt Arena out 10 nm-
450 PM PST Sun Jan 21 2018

...GALE WARNING REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING...

* WAVES...Westerly swell building to 12 feet at 17 seconds 
  during the afternoon. Southwesterly wind waves 8 feet at 8 
  seconds during the afternoon. 

* WINDS...Southerly winds strengthening to 20 to 30 kt with 
  gusts to 40 kt during the 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.

&&

$$

PZZ475-220200-
/O.CON.KEKA.GL.W.0004.000000T0000Z-180122T0200Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
450 PM PST Sun Jan 21 2018

...GALE WARNING REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING...

* WAVES...Westerly swell building to 15 feet at 16 seconds. 
  Southwesterly wind waves 12 feet at 10 seconds. 

* WINDS...Southerly winds strengthening to 20 to 30 kt during 
  the late morning with gusts to 45 kt. 

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.

&&

$$
910 
WHUS76 KEKA 220150
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
550 PM PST Sun Jan 21 2018

PZZ455-221000-
/O.EXP.KEKA.GL.W.0004.000000T0000Z-180122T0200Z/
/O.EXB.KEKA.SC.Y.0010.180122T0200Z-180123T1100Z/
Cape Mendocino to Pt Arena out 10 nm-
550 PM PST Sun Jan 21 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM PST TUESDAY...

The National Weather Service in Eureka has issued a Small Craft
Advisory, which is in effect until 3 AM PST Tuesday. 

* WAVES....West swell 17-20 feet around 15 seconds.

* WINDS...Southerly winds 15 to 25 kt.

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.

&&

$$

PZZ475-221000-
/O.EXP.KEKA.GL.W.0004.000000T0000Z-180122T0200Z/
/O.EXB.KEKA.SC.Y.0010.180122T0200Z-180123T1100Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
550 PM PST Sun Jan 21 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM PST TUESDAY...

The National Weather Service in Eureka has issued a Small Craft
Advisory, which is in effect until 3 AM PST Tuesday. 

* WAVES....West swell 15-18 feet around 15 seconds.

* WINDS...Southerly winds 10 to 20 kt.

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.

&&

$$

PZZ450-470-221000-
/O.CON.KEKA.SC.Y.0010.000000T0000Z-180123T1100Z/
Pt St George to Cape Mendocino out 10 nm-
Pt St George to Cape Mendocino 10 to 60 nm-
550 PM PST Sun Jan 21 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST
TUESDAY...

* WAVES...West swell 16-19 feet around 14 seconds.

* WINDS...Southerly winds 15 to 25 kt.

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
Jan 20, 2:51 AM PSTWind AdvisoryEKADel Norte, Humboldt37 hr
Jan 20, 1:47 PM PSTWinter Storm WarningEKA32 hr
Jan 20, 1:47 PM PSTWinter Weather AdvisoryEKATrinity32 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.