Alert archive / California / Small Craft Advisories in 2017

Small Craft Advisory 127, NWS Eureka, CA

December 12, 2017

NWS Eureka, CA issued this small craft advisory at Dec 12, 2017, 8:36 AM PST. It took effect at Dec 13, 2017, 3:00 PM PST. It was in force for 3 days.

The area

The counties it named.

The facts

Issued
Dec 12, 2017, 8:36 AM PST (16:36 UTC)
In effect from
Dec 13, 2017, 3:00 PM PST
Expired
Dec 17, 2017, 2:24 AM PST
In force
3 days
Issued by
NWS Eureka, CA

The text

As transmitted.

830 
WHUS76 KEKA 121636
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
836 AM PST Tue Dec 12 2017

PZZ475-130045-
/O.NEW.KEKA.SC.Y.0127.171213T2300Z-171217T1100Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
836 AM PST Tue Dec 12 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM WEDNESDAY TO 3 AM PST
SUNDAY...

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

* WINDS...N WIND 15 TO 25 KT WITH HIGHER GUSTS. STRONGEST WINDS
  DURING THE START OF THE WEEKEND.

* WAVES/SEAS...COMBINED SEAS OF 9 TO 11 FT...FROM THURSDAY NIGHT
  THROUGH FRIDAY 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.

&&

$$
19 follow-up statements
765 
WHUS76 KEKA 122213
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
213 PM PST Tue Dec 12 2017

PZZ475-130615-
/O.CON.KEKA.SC.Y.0127.171213T2300Z-171217T1100Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
213 PM PST Tue Dec 12 2017

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 PM WEDNESDAY TO
3 AM PST SUNDAY...

* WINDS...N WIND 15 TO 25 KT WITH HIGHER GUSTS. STRONGEST WINDS 
  DURING THE START OF THE WEEKEND. 

* WAVES/SEAS...COMBINED SEAS OF 9 TO 11 FT...FROM THURSDAY NIGHT 
  THROUGH FRIDAY 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.

&&

$$
453 
WHUS76 KEKA 130441
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
841 PM PST Tue Dec 12 2017

PZZ475-131245-
/O.CON.KEKA.SC.Y.0127.171213T2300Z-171217T1100Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
841 PM PST Tue Dec 12 2017

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 PM WEDNESDAY TO
3 AM PST SUNDAY...

* WINDS...N WIND 15 TO 25 KT WITH HIGHER GUSTS. STRONGEST WINDS 
  DURING THE START OF THE WEEKEND. 

* WAVES/SEAS...COMBINED SEAS OF 9 TO 11 FT...FROM THURSDAY NIGHT 
  THROUGH FRIDAY 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.

&&

$$
527 
WHUS76 KEKA 131055
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
255 AM PST Wed Dec 13 2017

PZZ475-131900-
/O.CON.KEKA.SC.Y.0127.171213T2300Z-171217T1100Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
255 AM PST Wed Dec 13 2017

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 PM THIS
AFTERNOON TO 3 AM SUNDAY...

* WINDS...N INCREASING TO 15 TO 25 KT WITH HIGHER GUSTS. STRONGEST
  WINDS EXPECTED FRIDAY THROUGH SATURDAY. 

* SEAS...COMBINED SEAS OF 9 TO 11 FT FROM THURSDAY NIGHT THROUGH 
  FRIDAY 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.

$$
424 
WHUS76 KEKA 131701
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
901 AM PST Wed Dec 13 2017

PZZ475-140115-
/O.CON.KEKA.SC.Y.0127.171213T2300Z-171217T1100Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
901 AM PST Wed Dec 13 2017

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 PM THIS
AFTERNOON TO 3 AM PST SUNDAY...

* WINDS...N INCREASING TO 15 TO 25 KT WITH HIGHER GUSTS. 
  STRONGEST WINDS EXPECTED FRIDAY THROUGH SATURDAY. 

* SEAS...COMBINED SEAS OF 9 TO 11 FT FROM THURSDAY NIGHT THROUGH 
  FRIDAY 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.

$$
318 
WHUS76 KEKA 132221
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
221 PM PST Wed Dec 13 2017

PZZ475-140630-
/O.CON.KEKA.SC.Y.0127.171213T2300Z-171217T1100Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
221 PM PST Wed Dec 13 2017

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

* WINDS...N INCREASING TO 15 TO 25 KT WITH HIGHER GUSTS. 
  STRONGEST WINDS EXPECTED FRIDAY THROUGH SATURDAY. 

* SEAS...COMBINED SEAS OF 9 TO 11 FT FROM THURSDAY NIGHT THROUGH 
  FRIDAY 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.

$$
512 
WHUS76 KEKA 140448
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
848 PM PST Wed Dec 13 2017

PZZ475-141300-
/O.CON.KEKA.SC.Y.0127.000000T0000Z-171217T1100Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
848 PM PST Wed Dec 13 2017

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

* WINDS...N INCREASING TO 15 TO 25 KT. STRONGEST WINDS EXPECTED 
  FRIDAY THROUGH SATURDAY. 

* SEAS...COMBINED SEAS OF 9 TO 11 FT FROM THURSDAY NIGHT THROUGH 
  FRIDAY 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.

$$
342 
WHUS76 KEKA 141049
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
249 AM PST Thu Dec 14 2017

PZZ470-141900-
/O.EXB.KEKA.SC.Y.0127.171215T2300Z-171218T1100Z/
Pt St George to Cape Mendocino 10 to 60 nm-
249 AM PST Thu Dec 14 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM FRIDAY TO 3 AM 
MONDAY...

* WINDS...N INCREASING TO 15 TO 25 KT ON FRIDAY WITH OCCASIONAL
  GUSTS TO 35 KT. STRONGEST WINDS CONTINUING THROUGH SATURDAY.

* SEAS...COMBINED SEAS OF 8 TO 10 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.

$$

PZZ475-141900-
/O.EXT.KEKA.SC.Y.0127.000000T0000Z-171216T0800Z/
/O.NEW.KEKA.GL.A.0032.171216T0800Z-171218T0200Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
249 AM PST Thu Dec 14 2017

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL MIDNIGHT FRIDAY 
NIGHT...
...GALE WATCH IN EFFECT FROM LATE FRIDAY NIGHT THROUGH SUNDAY 
AFTERNOON...

* WINDS...N AROUND 20 KT INCREASING TO 20 TO 30 KT ON FRIDAY. 
  STRONGEST WINDS FRIDAY NIGHT THROUGH SUNDAY WHEN GALE FORCE 
  GUSTS ARE POSSIBLE.

* SEAS...COMBINED SEAS OF 8 TO 10 FT THROUGH FRIDAY. SEAS BUILDING
  FURTHER TO 11 TO 13 FT ON SATURDAY.

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.

$$
003 
WHUS76 KEKA 141643
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
843 AM PST Thu Dec 14 2017

PZZ475-150045-
/O.CON.KEKA.SC.Y.0127.000000T0000Z-171216T0800Z/
/O.CON.KEKA.GL.A.0032.171216T0800Z-171218T0200Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
843 AM PST Thu Dec 14 2017

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT PST
FRIDAY NIGHT...
...GALE WATCH REMAINS IN EFFECT FROM LATE FRIDAY NIGHT THROUGH
SUNDAY AFTERNOON...

* WINDS...N AROUND 20 KT INCREASING TO 20 TO 30 KT ON FRIDAY. 
  STRONGEST WINDS FRIDAY NIGHT THROUGH SUNDAY WHEN GALE FORCE 
  GUSTS ARE POSSIBLE. 

* SEAS...COMBINED SEAS OF 8 TO 10 FT THROUGH FRIDAY. SEAS 
  BUILDING FURTHER TO 11 TO 13 FT ON SATURDAY. 

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.

$$

PZZ470-150045-
/O.CON.KEKA.SC.Y.0127.171215T2300Z-171218T1100Z/
Pt St George to Cape Mendocino 10 to 60 nm-
843 AM PST Thu Dec 14 2017

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

* WINDS...N INCREASING TO 15 TO 25 KT ON FRIDAY WITH OCCASIONAL 
  GUSTS TO 35 KT. STRONGEST WINDS CONTINUING THROUGH SATURDAY. 

* SEAS...COMBINED SEAS OF 8 TO 10 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.

$$
666 
WHUS76 KEKA 142212
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
212 PM PST Thu Dec 14 2017

PZZ475-150615-
/O.CON.KEKA.SC.Y.0127.000000T0000Z-171216T0800Z/
/O.CON.KEKA.GL.A.0032.171216T0800Z-171218T0200Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
212 PM PST Thu Dec 14 2017

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT PST
FRIDAY NIGHT...
...GALE WATCH REMAINS IN EFFECT FROM LATE FRIDAY NIGHT THROUGH
SUNDAY AFTERNOON...

* WINDS...NORTH 15 TO 20 KNOTS INCREASING TO 20 TO 30 KNOTS ON 
  FRIDAY. STRONGEST WINDS FRIDAY NIGHT THROUGH SUNDAY WHEN GALE 
  FORCE GUSTS ARE POSSIBLE. 

* SEAS...COMBINED SEAS OF 8 TO 10 FEET THROUGH FRIDAY. SEAS
  BUILDING FURTHER TO 11 TO 13 FEET ON SATURDAY. 

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.

$$

PZZ470-150615-
/O.CON.KEKA.SC.Y.0127.171215T2300Z-171218T1100Z/
Pt St George to Cape Mendocino 10 to 60 nm-
212 PM PST Thu Dec 14 2017

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

* WINDS...NORTH INCREASING TO 15 TO 25 KNOTS ON FRIDAY WITH
  OCCASIONAL GUSTS TO 35 KNOTS. STRONGEST WINDS CONTINUING 
  THROUGH SATURDAY. 

* SEAS...COMBINED SEAS OF 8 TO 10 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.

$$
281 
WHUS76 KEKA 150430
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
830 PM PST Thu Dec 14 2017

PZZ475-151230-
/O.CON.KEKA.SC.Y.0127.000000T0000Z-171216T0800Z/
/O.CON.KEKA.GL.A.0032.171216T0800Z-171218T0200Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
830 PM PST Thu Dec 14 2017

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT PST
FRIDAY NIGHT...
...GALE WATCH REMAINS IN EFFECT FROM LATE FRIDAY NIGHT THROUGH
SUNDAY AFTERNOON...

* WINDS...NORTH 15 TO 20 KNOTS INCREASING TO 20 TO 30 KNOTS ON 
  FRIDAY. STRONGEST WINDS FRIDAY NIGHT THROUGH SUNDAY WHEN GALE 
  FORCE GUSTS ARE POSSIBLE. 

* SEAS...COMBINED SEAS OF 8 TO 10 FEET THROUGH FRIDAY. SEAS 
  BUILDING FURTHER TO 11 TO 13 FEET ON SATURDAY. 

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.

$$

PZZ470-151230-
/O.CON.KEKA.SC.Y.0127.171215T2300Z-171218T1100Z/
Pt St George to Cape Mendocino 10 to 60 nm-
830 PM PST Thu Dec 14 2017

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

* WINDS...NORTH INCREASING TO 15 TO 25 KNOTS ON FRIDAY WITH 
  OCCASIONAL GUSTS TO 35 KNOTS. STRONGEST WINDS CONTINUING 
  THROUGH SATURDAY. 

* SEAS...COMBINED SEAS OF 8 TO 10 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.

$$
365 
WHUS76 KEKA 151033
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
233 AM PST Fri Dec 15 2017

PZZ475-151845-
/O.EXT.KEKA.SC.Y.0127.000000T0000Z-171216T0500Z/
/O.UPG.KEKA.GL.A.0032.171216T0800Z-171218T0200Z/
/O.NEW.KEKA.GL.W.0055.171216T0500Z-171217T1700Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
233 AM PST Fri Dec 15 2017

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

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

* WINDS...Increasing north winds to 10 to 20 kt this
  afternoon...and 20 to 30 kt tonight. 

* SEAS...Seas building to 10 to 13 ft by tonight including...N 10
  ft at 9 seconds and NW 7 ft at 15 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.

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.

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.

&&

$$

PZZ470-151845-
/O.EXT.KEKA.SC.Y.0127.171215T2200Z-171216T0500Z/
/O.NEW.KEKA.GL.W.0055.171216T0500Z-171217T1100Z/
Pt St George to Cape Mendocino 10 to 60 nm-
233 AM PST Fri Dec 15 2017

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 2 PM THIS AFTERNOON TO
9 PM PST THIS EVENING...
...GALE WARNING IN EFFECT FROM 9 PM THIS EVENING TO 3 AM PST
SUNDAY...

The National Weather Service in Eureka has issued a Gale Warning,
which is in effect from 9 PM this evening to 3 AM PST Sunday. 

* WINDS...Increasing north winds to 15 to 20 kt this
  afternoon...and 20 to 30 kt tonight. 

* SEAS...Seas building to 10 to 11 ft by tonight including...N 10
  ft at 9 seconds and NW 6 ft at 15 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 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.

&&

$$

PZZ450-455-151845-
/O.EXB.KEKA.SC.Y.0127.171215T2200Z-171217T1100Z/
Pt St George to Cape Mendocino out 10 nm-
Cape Mendocino to Pt Arena out 10 nm-
233 AM PST Fri Dec 15 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO
3 AM PST SUNDAY...

The National Weather Service in Eureka has issued a Small Craft
Advisory, which is in effect from 2 PM this afternoon to 3 AM PST
Sunday. 

* WINDS...Increasing north winds to 10 to 20 kt this
  afternoon...and 20 to 30 kt tonight. Strong wind gusts around 35
  kt possible near Point Saint George, Cape Mendocino, and Point 
  Arena. 

* SEAS...Seas building to 9 to 11 ft by tonight including...N 7 to
  9 ft around 7 seconds and NW 6 to 7 ft at 15 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.

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.

$$
202 
WHUS76 KEKA 151658
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
858 AM PST Fri Dec 15 2017

PZZ475-160100-
/O.CON.KEKA.SC.Y.0127.000000T0000Z-171216T0500Z/
/O.CON.KEKA.GL.W.0055.171216T0500Z-171217T1700Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
858 AM PST Fri Dec 15 2017

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

* WINDS...Increasing north winds to 10 to 20 kt this afternoon...
  and 20 to 30 kt tonight. 

* SEAS...Seas building to 10 to 13 ft by tonight including...N 10
  ft at 9 seconds and NW 7 ft at 15 seconds. 

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.

&&

$$

PZZ470-160100-
/O.CON.KEKA.SC.Y.0127.171215T2200Z-171216T0500Z/
/O.CON.KEKA.GL.W.0055.171216T0500Z-171217T1100Z/
Pt St George to Cape Mendocino 10 to 60 nm-
858 AM PST Fri Dec 15 2017

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS
AFTERNOON TO 9 PM PST THIS EVENING...
...GALE WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 3 AM
PST SUNDAY...

* WINDS...Increasing north winds to 15 to 20 kt this afternoon...
  and 20 to 30 kt tonight. 

* SEAS...Seas building to 10 to 11 ft by tonight including...N 
  10 ft at 9 seconds and NW 6 ft at 15 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 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.

&&

$$

PZZ450-455-160100-
/O.CON.KEKA.SC.Y.0127.171215T2200Z-171217T1100Z/
Pt St George to Cape Mendocino out 10 nm-
Cape Mendocino to Pt Arena out 10 nm-
858 AM PST Fri Dec 15 2017

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS
AFTERNOON TO 3 AM PST SUNDAY...

* WINDS...Increasing north winds to 10 to 20 kt this afternoon...
  and 20 to 30 kt tonight. Strong wind gusts around 35 kt 
  possible near Point Saint George, Cape Mendocino, and Point 
  Arena. 

* SEAS...Seas building to 9 to 11 ft by tonight including...N 7 
  to 9 ft around 7 seconds and NW 6 to 7 ft at 15 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.

$$
635 
WHUS76 KEKA 152216
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
216 PM PST Fri Dec 15 2017

PZZ455-160630-
/O.EXT.KEKA.SC.Y.0127.000000T0000Z-171216T0600Z/
/O.EXB.KEKA.GL.W.0055.171216T0600Z-171216T1600Z/
Cape Mendocino to Pt Arena out 10 nm-
216 PM PST Fri Dec 15 2017

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 PM PST THIS
EVENING...
...GALE WARNING IN EFFECT FROM 10 PM THIS EVENING TO 8 AM PST
SATURDAY...

The National Weather Service in Eureka has issued a Gale Warning,
which is in effect from 10 PM this evening to 8 AM PST Saturday. 

* WINDS...Increasing north winds to 10 to 20 kt this evening...
  and 20 to 30 kt tonight. Strong wind gusts around 40 kt possible
  near Cape Mendocino and Point Arena. 

* SEAS...Seas building to 9 to 12 ft by tonight including...N 8 to
  10 ft around 8 seconds and NW 5 to 7 ft at 15 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.

$$

PZZ475-160630-
/O.CON.KEKA.SC.Y.0127.000000T0000Z-171216T0500Z/
/O.CON.KEKA.GL.W.0055.171216T0500Z-171217T1700Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
216 PM PST Fri Dec 15 2017

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

* WINDS...North winds increasing to 20 to 30 kt tonight with gusts
  around 45 kt.

* SEAS...Seas building to 10 to 13 ft by tonight including...N 
  10 ft at 9 seconds and NW 7 ft at 15 seconds. 

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.

&&

$$

PZZ470-160630-
/O.CON.KEKA.SC.Y.0127.000000T0000Z-171216T0500Z/
/O.CON.KEKA.GL.W.0055.171216T0500Z-171217T1100Z/
Pt St George to Cape Mendocino 10 to 60 nm-
216 PM PST Fri Dec 15 2017

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PST THIS
EVENING...
...GALE WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 3 AM
PST SUNDAY...

* WINDS...North 15 to 20 kt increasing to 20 to 30 kt tonight.
  Peak gusts will be around 40 kt.

* SEAS...Seas building to 10 to 11 ft by tonight including...N 
  10 ft at 9 seconds and NW 6 ft at 15 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 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.

&&

$$

PZZ450-160630-
/O.CON.KEKA.SC.Y.0127.000000T0000Z-171217T1100Z/
Pt St George to Cape Mendocino out 10 nm-
216 PM PST Fri Dec 15 2017

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

* WINDS...North winds 15 to 20 kt increasing to 20 to 30 kt
  tonight. Strong wind gusts around 35 kt possible near Point
  Saint George and up to 40 kt around Cape Mendocino 

* SEAS...Seas building to 9 to 11 ft by tonight including...N 7 
  to 9 ft around 7 seconds and NW 6 to 7 ft at 15 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.

$$
555 
WHUS76 KEKA 160449
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
849 PM PST Fri Dec 15 2017

PZZ475-161300-
/O.EXP.KEKA.SC.Y.0127.000000T0000Z-171216T0500Z/
/O.CON.KEKA.GL.W.0055.171216T0500Z-171217T1700Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
849 PM PST Fri Dec 15 2017

...GALE WARNING REMAINS IN EFFECT UNTIL 9 AM PST SUNDAY...
...SMALL CRAFT ADVISORY WILL EXPIRE AT 9 PM PST THIS EVENING...

* WINDS...North winds increasing to 25 to 35 kt tonight with 
  gusts around 45 kt. 

* SEAS...Seas building to 10 to 13 ft by tonight including...N 12
  ft at 9 seconds and NW 6 ft at 14 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.

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.

&&

$$

PZZ470-161300-
/O.EXP.KEKA.SC.Y.0127.000000T0000Z-171216T0500Z/
/O.CON.KEKA.GL.W.0055.171216T0500Z-171217T1100Z/
Pt St George to Cape Mendocino 10 to 60 nm-
849 PM PST Fri Dec 15 2017

...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PST SUNDAY...
...SMALL CRAFT ADVISORY WILL EXPIRE AT 9 PM PST THIS EVENING...

* WINDS...North 20 to 30 kt tonight. Peak gusts will be around 40
  kt. 

* SEAS...Seas building to 10 to 11 ft by tonight including...N 10
  ft at 9 seconds and NW 5 ft at 14 seconds. 

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.

&&

$$

PZZ455-161300-
/O.CON.KEKA.SC.Y.0127.000000T0000Z-171216T0600Z/
/O.CON.KEKA.GL.W.0055.171216T0600Z-171216T1600Z/
Cape Mendocino to Pt Arena out 10 nm-
849 PM PST Fri Dec 15 2017

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING...
...GALE WARNING REMAINS IN EFFECT UNTIL 8 AM PST SATURDAY...

* WINDS...North winds 20 to 30 kt tonight. Strong wind gusts 
  around 40 kt possible near Cape Mendocino and Point Arena.
  

* SEAS...Seas building to 9 to 12 ft by tonight including...N 8 to
  11 ft around 9 seconds and NW 5 ft at 14 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.

$$

PZZ450-161300-
/O.CON.KEKA.SC.Y.0127.000000T0000Z-171217T1100Z/
Pt St George to Cape Mendocino out 10 nm-
849 PM PST Fri Dec 15 2017

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

* WINDS...North winds 20 to 30 kt tonight. Strong wind gusts 
  around 35 kt possible near Point Saint George and up to 40 kt 
  around Cape Mendocino 

* SEAS...Seas building to 9 to 11 ft by tonight including...N 8 to
  10 ft around 8 seconds and NW 5 to 6 ft at 14 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.

$$
876 
WHUS76 KEKA 161047
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
247 AM PST Sat Dec 16 2017

PZZ470-161900-
/O.CON.KEKA.GL.W.0055.000000T0000Z-171217T1100Z/
Pt St George to Cape Mendocino 10 to 60 nm-
247 AM PST Sat Dec 16 2017

...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PST SUNDAY...

* WINDS...North 20 to 30 kt early this morning. Peak gusts will be
  around 40 kt. Winds will diminish this afternoon and tonight.
  

* SEAS...10 to 12 ft including...N 10 ft at 9 seconds and NW 5 ft
  at 14 seconds. These will diminish 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.

&&

$$

PZZ475-161900-
/O.CON.KEKA.GL.W.0055.000000T0000Z-171217T1700Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
247 AM PST Sat Dec 16 2017

...GALE WARNING REMAINS IN EFFECT UNTIL 9 AM PST SUNDAY...

* WINDS...North winds increasing to 25 to 35 kt this morning with
  gusts around 45 kt. Winds will diminish tonight.

* SEAS...10 to 13 ft including...N 12 ft at 9 seconds and NW 6 ft
  at 14 seconds. These will diminish late 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.

&&

$$

PZZ455-161600-
/O.CON.KEKA.GL.W.0055.000000T0000Z-171216T1600Z/
Cape Mendocino to Pt Arena out 10 nm-
247 AM PST Sat Dec 16 2017

...GALE WARNING REMAINS IN EFFECT UNTIL 8 AM PST THIS MORNING...

* WINDS...North 20 to 30 kt this morning. Strong wind gusts around
  40 kt possible near Cape Mendocino and Point Arena. Winds will
  diminish this morning, but remain elevated through Sunday
  morning.
  

* SEAS...10 to 13 ft this morning including...N 9 to 12 ft around
  9 seconds and NW 5 ft at 14 seconds. 

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.

$$

PZZ450-161900-
/O.CON.KEKA.SC.Y.0127.000000T0000Z-171217T1100Z/
Pt St George to Cape Mendocino out 10 nm-
247 AM PST Sat Dec 16 2017

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

* WINDS...North winds 20 to 30 kt this morning. Wind gusts up to 
  40 kt around Cape Mendocino. Winds will diminish tonight.
 
* SEAS...9 to 12 ft this morning including...N 9 to 11 ft around 8
  seconds and NW 5 to 6 ft at 14 seconds. These will diminish
  slowly today and 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.

$$
518 
WHUS76 KEKA 161651
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
851 AM PST Sat Dec 16 2017

PZZ455-170100-
/O.NEW.KEKA.SE.W.0028.171216T1700Z-171217T0500Z/
/O.NEW.KEKA.SC.Y.0128.171216T1700Z-171217T0500Z/
Cape Mendocino to Pt Arena out 10 nm-
851 AM PST Sat Dec 16 2017

...HAZARDOUS SEAS WARNING IN EFFECT UNTIL 9 PM PST THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM PST THIS EVENING...

The National Weather Service in Eureka has issued a Hazardous
Seas Warning, which is in effect until 9 PM PST this evening. A
Small Craft Advisory has also been issued. This Small Craft
Advisory is in effect until 9 PM PST this evening. 

* WINDS...North 15 to 25 kt gusting up to 35 kt through this
  afternoon. Then winds decrease 15 to 25 kt for tonight.

* WAVES/SEAS...8 to 13 ft including... N 10 to 14 feet at 8
  seconds and NW at 4 ft and 13 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.

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.

&&

$$

PZZ470-170100-
/O.CON.KEKA.GL.W.0055.000000T0000Z-171217T1100Z/
Pt St George to Cape Mendocino 10 to 60 nm-
851 AM PST Sat Dec 16 2017

...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PST SUNDAY...

* WINDS...North 20 to 25kt gusting to near 30 kt. Winds will 
  diminish this afternoon and tonight. 

* SEAS...10 to 12 ft including...N 10 ft at 9 seconds and NW 5 
  ft at 14 seconds. These will diminish 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.

&&

$$

PZZ475-170100-
/O.CON.KEKA.GL.W.0055.000000T0000Z-171217T1700Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
851 AM PST Sat Dec 16 2017

...GALE WARNING REMAINS IN EFFECT UNTIL 9 AM PST SUNDAY...

* WINDS...North winds increasing to 25 to 35 kt with gusts up to 40
  kt. Winds will diminish tonight. 

* SEAS...10 to 13 ft including...N 12 ft at 9 seconds and NW 6 
  ft at 14 seconds. These will diminish late 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.

&&

$$

PZZ450-170100-
/O.CON.KEKA.SC.Y.0127.000000T0000Z-171217T1100Z/
Pt St George to Cape Mendocino out 10 nm-
851 AM PST Sat Dec 16 2017

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

* WINDS...North winds 20 to 30 kt this morning. Wind gusts up to
  35 kt around Cape Mendocino. Winds will diminish tonight. 

* SEAS...9 to 12 ft this morning including...N 9 to 11 ft around 
  8 seconds and NW 5 to 6 ft at 14 seconds. These will diminish 
  slowly today and 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.

$$
333 
WHUS76 KEKA 162245
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
245 PM PST Sat Dec 16 2017

PZZ470-170600-
/O.EXT.KEKA.GL.W.0055.000000T0000Z-171217T0600Z/
Pt St George to Cape Mendocino 10 to 60 nm-
245 PM PST Sat Dec 16 2017

...GALE WARNING NOW IN EFFECT UNTIL 10 PM PST THIS EVENING...

* WINDS...North 20 to 25kt gusting to around 30 kt. Winds will
  diminish tonight and into Monday. 

* SEAS...10 to 12 ft including...N 10 ft at 9 seconds and NW 5 ft
  at 14 seconds.  

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.

&&

$$

PZZ455-170645-
/O.EXT.KEKA.SE.W.0028.000000T0000Z-171217T1100Z/
/O.EXT.KEKA.SC.Y.0128.000000T0000Z-171217T1100Z/
Cape Mendocino to Pt Arena out 10 nm-
245 PM PST Sat Dec 16 2017

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

* WINDS...North 15 to 25 kt gusting up to 35 kt decreasing 15 to 
  25 kt for tonight. 

* WAVES/SEAS...8 to 13 ft including... N 10 to 14 feet at 8 
  seconds and NW at 4 ft and 13 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.

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.

&&

$$

PZZ475-170645-
/O.CON.KEKA.GL.W.0055.000000T0000Z-171217T1700Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
245 PM PST Sat Dec 16 2017

...GALE WARNING REMAINS IN EFFECT UNTIL 9 AM PST SUNDAY...

* WINDS...North winds increasing to 25 to 35 kt with gusts up to
  40 kt. Winds start to diminish on Sunday. 

* SEAS...10 to 13 ft including...N 12 ft at 9 seconds and NW 6 ft
  at 14 seconds. 

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.

&&

$$

PZZ450-170645-
/O.CON.KEKA.SC.Y.0127.000000T0000Z-171217T1100Z/
Pt St George to Cape Mendocino out 10 nm-
245 PM PST Sat Dec 16 2017

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

* WINDS...North winds 20 to 30 kt. Wind gusts up to 35 kt around 
  Cape Mendocino. Winds will gradually diminish tonight. 

* SEAS...9 to 12 ft...N 9 to 11 ft around 8 seconds and NW 5 to 6
  ft at 14 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.

$$
926 
WHUS76 KEKA 170519
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
919 PM PST Sat Dec 16 2017

PZZ470-171330-
/O.CAN.KEKA.GL.W.0055.000000T0000Z-171217T0600Z/
/O.EXB.KEKA.SC.Y.0128.000000T0000Z-171217T1700Z/
Pt St George to Cape Mendocino 10 to 60 nm-
919 PM PST Sat Dec 16 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 AM PST SUNDAY...
...GALE WARNING IS CANCELLED...

The National Weather Service in Eureka has issued a Small Craft
Advisory, which is in effect until 9 AM PST Sunday. The Gale
Warning has been cancelled. 

* WINDS...North 15 to 25 kt gusting up to 30 kt decreasing 15 to
  25 kt by morning. 

* WAVES/SEAS...8 to 9 ft at 8 seconds and NW at 4 ft and 13 
  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.

&&

$$

PZZ475-171330-
/O.CON.KEKA.GL.W.0055.000000T0000Z-171217T1700Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
919 PM PST Sat Dec 16 2017

...GALE WARNING REMAINS IN EFFECT UNTIL 9 AM PST SUNDAY...

* WINDS...North winds increasing to 25 to 35 kt with gusts up to 
  40 kt. Winds start to diminish on Sunday. 

* SEAS...10 to 12 ft including...N 12 ft at 9 seconds and NW 6 ft
  at 14 seconds. 

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.

&&

$$

PZZ455-171100-
/O.CON.KEKA.SE.W.0028.000000T0000Z-171217T1100Z/
/O.CON.KEKA.SC.Y.0128.000000T0000Z-171217T1100Z/
Cape Mendocino to Pt Arena out 10 nm-
919 PM PST Sat Dec 16 2017

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 3 AM PST
SUNDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST SUNDAY...

* WINDS...North 15 to 25 kt gusting up to 35 kt decreasing 15 to 
  25 kt by morning. 

* WAVES/SEAS...8 to 11 ft including... N 10 to 11 feet at 9
  seconds and NW at 3 ft and 13 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.

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.

&&

$$

PZZ450-171100-
/O.CON.KEKA.SC.Y.0127.000000T0000Z-171217T1100Z/
Pt St George to Cape Mendocino out 10 nm-
919 PM PST Sat Dec 16 2017

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

* WINDS...North winds 20 to 30 kt. Wind gusts up to 35 kt around
  Cape Mendocino. Winds will gradually diminish by morning. 

* SEAS...7 to 8 ft around 8 seconds and NW 3 to 4 ft at 12 
  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.

$$
874 
WHUS76 KEKA 171024
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
224 AM PST Sun Dec 17 2017

PZZ475-171130-
/O.CAN.KEKA.GL.W.0055.000000T0000Z-171217T1700Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
224 AM PST Sun Dec 17 2017

...GALE WARNING IS CANCELLED...

The National Weather Service in Eureka has cancelled the Gale
Warning. 



$$

PZZ455-171130-
/O.CAN.KEKA.SE.W.0028.000000T0000Z-171217T1100Z/
/O.CAN.KEKA.SC.Y.0128.000000T0000Z-171217T1100Z/
Cape Mendocino to Pt Arena out 10 nm-
224 AM PST Sun Dec 17 2017

...HAZARDOUS SEAS WARNING IS CANCELLED...
...SMALL CRAFT ADVISORY IS CANCELLED...

The National Weather Service in Eureka has cancelled the
Hazardous Seas Warning. The Small Craft Advisory has been
cancelled. 



$$

PZZ450-171130-
/O.CAN.KEKA.SC.Y.0127.000000T0000Z-171217T1100Z/
Pt St George to Cape Mendocino out 10 nm-
224 AM PST Sun Dec 17 2017

...SMALL CRAFT ADVISORY IS CANCELLED...

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



$$

PZZ470-171130-
/O.CAN.KEKA.SC.Y.0128.000000T0000Z-171217T1700Z/
Pt St George to Cape Mendocino 10 to 60 nm-
224 AM PST Sun Dec 17 2017

...SMALL CRAFT ADVISORY IS CANCELLED...

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



$$

What forecasters said that day

The local office's own words before this small craft advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Eureka, CA wrote its last area forecast discussion before this small craft advisory went out at Dec 12, 4:02 AM PST, 4 hours 34 minutes earlier.

Area forecast discussion, Dec 12, 4:02 AM PST, 4 hours 34 minutes before
AREA FORECAST DISCUSSION
National Weather Service Eureka CA
402 AM PST Tue Dec 12 2017

.SYNOPSIS...Mainly dry conditions, accompanied by mild afternoons
and cool nights, will persist during the next 7 days.

&&

.DISCUSSION...High pressure remains in place over the west coast
this morning, although it has shift slightly east today. An upper
level low that brought some southerly winds has moved into British
Columbia this morning. This brought some smoke to the area from
the southern CA fires. This may last today and tonight, but by
Wednesday flow turns more northerly and will push the smoke to
the south of the area. Temperatures aloft will continue to warm
slightly over the next several days. The ridges will remain warm,
for example Kneeland is in the upper 50s to low 60s overnight. The
valleys will remain chilly at night with a strong inversion
setting up and near freezing to freezing temperatures in some
areas. Areas of fog and low clods are possible in some valleys.
These areas will be much slower to warm up in the afternoon.

Thursday 850 MB temperatures are expected to peak around 16C. This
should help most areas warm above normal in the afternoon. Cloudy
areas, or shaded areas may see significantly cooler temperatures.
Thursday night into Friday morning a weak weather system moves
through the area. Current models runs keep most of the rain to the
north of the area, but clouds and cooler temperatures are
expected with this system.

Over the weekend the weather continues to look mainly dry, but
there is a weak warm front that pushes into Oregon. Some light
rain is possible with this system, but in generally clouds will be
the main impact. Next week high pressure builds back in the area.
MKK

&&

.AVIATION...Smoke aloft from S CA fires will continue to affect
the area thru much of the day. Although winds in the lower levels
will begin to gradually increase out of the N later today, winds
in the mid levels (where the smoke is) will be slower to increase.
As a result, there is the potential for this smoke layer to
persist into midday Wednesday (although confidence is low).
Otherwise, VFR conditions are expected to continue with generally
light winds. /SEC

&&

.MARINE...Generally quiet weather will continue into this
evening. N winds will gradually increase thereafter as a thermal
trough develops along the CA coast. Strong high pressure will
build N of the area by late in the week, with further increases in
the N winds. A Small Craft Advisory may be needed by late
Wednesday or Wednesday night for at least the outer waters. W
swell with a 13 second period will gradually decay today and
tonight. Fresh NW swell will arrive on Wednesday with initial
periods of 17 to 19 seconds. /SEC

&&

.PREV DISCUSSION... /issued 206 PM PST Mon Dec 11 2017/

SYNOPSIS...Mainly dry conditions, accompanied by mild afternoons
and cool nights, will persist during the next 7 days.

DISCUSSION...A compact upper low positioned offshore from WA was
in the process of moving north along the west side of a WRN CONUS
ridge Monday afternoon. An increase in midlevel southerlies
associated with the wave was aiding in transporting smoke produced
by wildfires in SRN CA northward across the Redwood Coast.
However, model guidance during the next 24 hours shows midlevel
flow becoming northerly over the CNTRL/SRN CA coast, which will
allow smoke to clear the region during Tuesday into Wednesday.
Otherwise, high level cirrus is forecast to increase during
midweek, resulting in a decrease in nocturnal surface radiational
cooling and cold air drainage into area valleys. Thus, overnight
lows are expected to gradually moderate. By Friday, model guidance
shows the ridge over the west coast breaking down as a weak upper
impulse moves west across the region. This process will allow an
increase in westerly moisture flux to develop over the OR/WA
coast during the weekend into early next week, the brunt of which
is forecast to be too far north to yield significant rain
probabilities over NWRN CA.

AVIATION...A persistent strong ridge will continue to result in
VFR conditions at all terminals. Some smoke aloft and high clouds
have been noted at both ACV and UKI today due to the fires down
south. Some interior river valleys will also see patchy fog again
tomorrow morning however it will clear by late morning. /WCI

MARINE...Quiet marine weather pattern will continue through
Tuesday. A strong high pressure remains over western North
America, while the main storm track remains offshore. By middle of
the week, a thermal trough is forecasted to develop along the CA
coast, and this will enhance the northerly pressure gradient over
NW CA waters at that time. A strong high will build north of NW CA
water by the end of the work week, and this will further tighten
the northerly pressure gradient in the area.

Light and variable winds in NW CA coastal waters through Tuesday.
North winds will start to increase on Tuesday night to around 10
to 20 kt. North winds will further increase on Friday to 15 to 25
kt, before diminishing through the weekend.

Through Tuesday, we will just be seeing decaying west swell,
giving us a combined seas of around 5 to 7 feet. On Tuesday night,
looks like we will have a fresh NW swell coming in, with a
developing short period wind wave. Combined seas will be around 7
to 9 feet. The short period wind wave will increase later this
week as the northerly winds strengthen.

There is a slight potential for sneaker wave late Tuesday
afternoon through Tuesday evening. However, there is some forecast
uncertainty with this. The long period swell is marginal in terms
of its energy. The wave period will be decreasing, from 18 to 15
seconds. Meanwhile, the wave magnitude will increase from 1 to 5
feet. In addition, the short period wind wave may erode the energy
provided by the long period swell. The short period wave is
forecasted to be around 3 to 6 feet. The higher the magnitude of
the wind wave, the less likely the threat for sneaker wave. Due to
these conflicting indicators, confidence is low in determining
the potential for sneaker wave, but the threat does exist at this
time.

There is no marine hazards in effect at this time. /RCL

&&

.EKA WATCHES/WARNINGS/ADVISORIES...
CA...None.
NORTHWEST CALIFORNIA COASTAL WATERS...None.
&&

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Hazardous weather outlook, Dec 12, 3:52 AM PST, 4 hours 44 minutes before
Hazardous Weather Outlook
National Weather Service Eureka CA
352 AM PST Tue Dec 12 2017

CAZ101>113-131200-
Coastal Del Norte-Del Norte Interior-Northern Humboldt Coast-
Southwestern Humboldt-Northern Humboldt Interior-
Southern Humboldt Interior-Northern Trinity-Southern Trinity-
Mendocino Coast-Northwestern Mendocino Interior-
Northeastern Mendocino Interior-Southwestern Mendocino Interior-
Southeastern Mendocino Interior-
352 AM PST Tue Dec 12 2017

This hazardous weather outlook is for northwest California.

.DAY ONE...Today and tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 12, 11:08 AM PSTBeach Hazards StatementEKADel Norte, Humboldt, Mendocino59 hr

Nearby

Small Craft Advisories in California, 2017Every small craft advisory in 2017

Sources

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