Alert archive / California / Hazardous Seas Warnings in 2016

Hazardous Seas Warning 13, NWS Eureka, CA

April 13, 2016

NWS Eureka, CA issued this hazardous seas warning at Apr 13, 2016, 2:42 PM PDT. It took effect at Apr 13, 2016, 9:00 PM PDT. It was in force for 28 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
Apr 13, 2016, 2:42 PM PDT (21:42 UTC)
In effect from
Apr 13, 2016, 9:00 PM PDT
Expired
Apr 15, 2016, 1:00 AM PDT
In force
28 hr
Issued by
NWS Eureka, CA

The text

As transmitted.

394 
WHUS76 KEKA 132142
MWWEKA

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
242 PM PDT WED APR 13 2016

PZZ450-140545-
/O.EXT.KEKA.SC.Y.0045.000000T0000Z-160413T2300Z/
/O.EXB.KEKA.GL.W.0030.160413T2300Z-160414T0400Z/
/O.NEW.KEKA.SE.W.0013.160414T0400Z-160415T0400Z/
PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM-
242 PM PDT WED APR 13 2016

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 PM PDT THIS
AFTERNOON...
...GALE WARNING IN EFFECT FROM 4 PM UNTIL 9 PM PDT THIS
EVENING... 
...HAZARDOUS SEAS WARNING IN EFFECT FROM 9 PM THIS
EVENING TO 9 PM PDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A GALE
WARNING...WHICH IS IN EFFECT UNTIL 9 PM PDT THIS EVENING. A
HAZARDOUS SEAS WARNING HAS ALSO BEEN ISSUED. THIS HAZARDOUS SEAS
WARNING IS IN EFFECT FROM 9 PM THIS EVENING TO 9 PM PDT THURSDAY.

* WINDS...SOUTHERLY INCREASING TO 20 TO 30 KT WITH GUSTS TO 40 KT
  THIS AFTERNOON AND EVENING AS A COLD FRONT MOVES ACROSS THE
  WATERS. WINDS WILL VEER TO THE WEST TONIGHT AND REMAIN AT 15 TO
  25 KT THROUGH MOST OF THE DAY TOMORROW.

* SEAS...W SWELL BUILDING TODAY AND BECOMING LARGE AND STEEP
  TONIGHT AND THURSDAY...REACHING A PEAK OF 15 TO 20 FT AT 15
  SECONDS MID DAY THURSDAY.

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.

&&

$$

PZZ470-140545-
/O.CON.KEKA.GL.W.0030.000000T0000Z-160414T0400Z/
/O.NEW.KEKA.SE.W.0013.160414T0400Z-160415T0400Z/
PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM-
242 PM PDT WED APR 13 2016

...GALE WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING...
...HAZARDOUS SEAS WARNING IN EFFECT FROM 9 PM THIS EVENING TO
9 PM PDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A HAZARDOUS
SEAS WARNING...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO 9 PM
PDT THURSDAY. 

* WINDS...SOUTHERLY INCREASING TO 25 TO 35 KT WITH OCCASIONAL
  GUSTS UP TO 45 KT THIS AFTERNOON AND EVENING AS A COLD FRONT
  MOVES ACROSS THE WATERS. WINDS WILL VEER TO THE WEST TONIGHT AND
  REMAIN AT 20 TO 30 KT THROUGH MOST OF THE DAY TOMORROW.

* SEAS...W SWELL BUILDING TODAY AND BECOMING LARGE AND STEEP
  TONIGHT AND THURSDAY...REACHING A PEAK OF 19 TO 23 FT AT 15
  SECONDS MID DAY 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.

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.

&&

$$

PZZ475-140545-
/O.CON.KEKA.SC.Y.0045.000000T0000Z-160415T2200Z/
/O.NEW.KEKA.SE.W.0013.160414T1000Z-160415T0400Z/
CAPE MENDOCINO TO PT ARENA 10 TO 60 NM-
242 PM PDT WED APR 13 2016

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT FRIDAY...
...HAZARDOUS SEAS WARNING IN EFFECT FROM 3 AM TO 9 PM PDT
THURSDAY...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A HAZARDOUS
SEAS WARNING...WHICH IS IN EFFECT FROM 3 AM TO 9 PM PDT THURSDAY.

* WINDS...SOUTHERLY INCREASING TO 20 TO 30 KT WITH OCCASIONAL
  HIGHER GUSTS THIS AFTERNOON AND EVENING AS A COLD FRONT MOVES
  ACROSS THE WATERS. WINDS WILL VEER TO THE WEST TONIGHT AND
  REMAIN AT 15 TO 25 KT THROUGH MOST OF THE DAY TOMORROW.

* SEAS...W SWELL BUILDING TODAY AND BECOMING LARGE AND STEEP
  TONIGHT AND THURSDAY...REACHING A PEAK OF 15 TO 20 FT AT 15
  SECONDS MID DAY THURSDAY.

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.

&&

$$

PZZ455-140545-
/O.CON.KEKA.SC.Y.0045.000000T0000Z-160415T2200Z/
CAPE MENDOCINO TO PT ARENA OUT 10 NM-
242 PM PDT WED APR 13 2016

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

* WINDS...SOUTHERLY INCREASING TO 20 TO 30 KT WITH OCCASIONAL 
  HIGHER GUSTS THIS AFTERNOON AND EVENING AS A COLD FRONT MOVES 
  ACROSS THE WATERS. 

* SEAS...W SWELL BUILDING TODAY AND BECOMING LARGE AND STEEP
  TONIGHT AND THURSDAY...REACHING A PEAK OF 14 TO 18 FT AT 15
  SECONDS MID DAY THURSDAY.

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.

$$
6 follow-up statements
920 
WHUS76 KEKA 140402
MWWEKA

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
902 PM PDT WED APR 13 2016

PZZ450-141215-
/O.CAN.KEKA.GL.W.0030.000000T0000Z-160414T0400Z/
/O.NEW.KEKA.SC.Y.0046.160414T0402Z-160415T2200Z/
/O.CON.KEKA.SE.W.0013.000000T0000Z-160415T0400Z/
PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM-
902 PM PDT WED APR 13 2016

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM FRIDAY...
...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 9 PM THURSDAY...

* WINDS...WEST 15 TO 25 KT THROUGH THURSDAY AFTERNOON.

* SEAS...W SWELL BUILDING TO A PEAK OF 15 TO 20 FT AT 15 
  SECONDS MIDDAY THURSDAY. 

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.

$$

PZZ470-141215-
/O.CAN.KEKA.GL.W.0030.000000T0000Z-160414T0400Z/
/O.NEW.KEKA.SC.Y.0046.160414T0402Z-160415T2200Z/
/O.CON.KEKA.SE.W.0013.000000T0000Z-160415T0400Z/
PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM-
902 PM PDT WED APR 13 2016

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM FRIDAY...
...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 9 PM THURSDAY...

* WINDS...WEST 20 TO 30 KT THROUGH THURSDAY AFTERNOON.

* SEAS...W SWELL BUILDING TO A PEAK OF 19 TO 23 FT AT 15 SECONDS 
  MIDDAY THURSDAY. 

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.

$$

PZZ475-141215-
/O.CON.KEKA.SC.Y.0045.000000T0000Z-160415T2200Z/
/O.CON.KEKA.SE.W.0013.160414T1000Z-160415T0400Z/
CAPE MENDOCINO TO PT ARENA 10 TO 60 NM-
902 PM PDT WED APR 13 2016

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM FRIDAY...
...HAZARDOUS SEAS WARNING REMAINS IN EFFECT FROM 3 AM TO 9 PM 
THURSDAY...

* WINDS...WEST 15 TO 25 KT THROUGH THURSDAY AFTERNOON. 

* SEAS...W SWELL REACHING A PEAK OF 15 TO 20 FT AT 15 SECONDS 
  MIDDAY THURSDAY. 

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.

$$

PZZ455-141215-
/O.CON.KEKA.SC.Y.0045.000000T0000Z-160415T2200Z/
CAPE MENDOCINO TO PT ARENA OUT 10 NM-
902 PM PDT WED APR 13 2016

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

* SEAS...W SWELL REACHING A PEAK OF 14 TO 18 FT AT 15 SECONDS 
  MIDDAY THURSDAY. 

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.

$$
313 
WHUS76 KEKA 140932
MWWEKA

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
232 AM PDT THU APR 14 2016

PZZ450-141745-
/O.CON.KEKA.SE.W.0013.000000T0000Z-160415T0400Z/
/O.CON.KEKA.SC.Y.0046.000000T0000Z-160415T2200Z/
PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM-
232 AM PDT THU APR 14 2016

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS
EVENING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT FRIDAY...

* WINDS...WEST 10 TO 20 KT BECOMING N 5 TO 15 KT TONIGHT.

* SEAS...W SWELL WILL PEAK AROUND 18 FT AT 15 SECONDS DURING THE
  EARLY AFTERNOON. SUBSIDING TO 15 FEET AT 14 SECONDS TONIGHT.

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.

$$

PZZ470-141745-
/O.CON.KEKA.SE.W.0013.000000T0000Z-160415T0400Z/
/O.CON.KEKA.SC.Y.0046.000000T0000Z-160415T2200Z/
PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM-
232 AM PDT THU APR 14 2016

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS
EVENING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT FRIDAY...

* WINDS...WEST 15 TO 25 KT WITH GUSTS UP TO 35 KT BECOMING NW 10
  TO 20 KT TONIGHT.

* SEAS...W SWELL WILL PEAK AROUND 2O FT AT 15 SECONDS DURING THE
  EARLY AFTERNOON. SUBSIDING TO 16 FEET AT 14 SECONDS TONIGHT.

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.

$$

PZZ475-141745-
/O.CON.KEKA.SC.Y.0045.000000T0000Z-160415T2200Z/
/O.CON.KEKA.SE.W.0013.160414T1000Z-160415T0400Z/
CAPE MENDOCINO TO PT ARENA 10 TO 60 NM-
232 AM PDT THU APR 14 2016

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT FRIDAY...
...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS
EVENING...

* WINDS...NORTHWEST 1O TO 2O KT.

* SEAS...NORTHWEST SWELL WILL PEAK AROUND 18 FEET AT 15 SECONDS
  DURING THE EARLY AFTERNOON. SUBSIDING TO 16 FEET AT 15 SECONDS
  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.

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.

$$

PZZ455-141745-
/O.CON.KEKA.SC.Y.0045.000000T0000Z-160415T2200Z/
CAPE MENDOCINO TO PT ARENA OUT 10 NM-
232 AM PDT THU APR 14 2016

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

* WINDS...NORTHWEST 5 TO 15 KT.

* SEAS...NORTHWEST SWELL WILL PEAK AROUND 17 FT AT 15 SECONDS
  DURING THE EARLY AFTERNOON. SUBSIDING TO 15 FEET AT 15 SECONDS
  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.

$$
870 
WHUS76 KEKA 141544
MWWEKA

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
844 AM PDT THU APR 14 2016

PZZ450-142345-
/O.CON.KEKA.SE.W.0013.000000T0000Z-160415T0400Z/
/O.CON.KEKA.SC.Y.0046.000000T0000Z-160415T2200Z/
PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM-
844 AM PDT THU APR 14 2016

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS
EVENING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT FRIDAY...

* WINDS...WEST 15 TO 25 KT BECOMING N 5 TO 15 KT TONIGHT.

* SEAS...W SWELL WILL PEAK AROUND 19 FT AT 15 SECONDS DURING THE
  EARLY AFTERNOON. SUBSIDING TO 15 FEET AT 14 SECONDS TONIGHT.

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.

$$

PZZ470-142345-
/O.CON.KEKA.SE.W.0013.000000T0000Z-160415T0400Z/
/O.CON.KEKA.SC.Y.0046.000000T0000Z-160415T2200Z/
PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM-
844 AM PDT THU APR 14 2016

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS
EVENING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT FRIDAY...

* WINDS...WEST 15 TO 25 KT WITH GUSTS UP TO 35 KT BECOMING NW 10 
  TO 20 KT TONIGHT. 

* SEAS...W SWELL WILL PEAK AROUND 21 FT AT 15 SECONDS DURING THE 
  EARLY AFTERNOON. SUBSIDING TO 16 FEET AT 14 SECONDS TONIGHT. 

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.

$$

PZZ475-142345-
/O.CON.KEKA.SE.W.0013.000000T0000Z-160415T0400Z/
/O.CON.KEKA.SC.Y.0045.000000T0000Z-160415T2200Z/
CAPE MENDOCINO TO PT ARENA 10 TO 60 NM-
844 AM PDT THU APR 14 2016

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS
EVENING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT FRIDAY...

* WINDS...NORTHWEST 1O TO 2O KT.

* SEAS...NORTHWEST SWELL WILL PEAK AROUND 18 FEET AT 15 SECONDS 
  DURING THE EARLY AFTERNOON. SUBSIDING TO 16 FEET AT 15 SECONDS 
  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.

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.

$$

PZZ455-142345-
/O.CON.KEKA.SC.Y.0045.000000T0000Z-160415T2200Z/
CAPE MENDOCINO TO PT ARENA OUT 10 NM-
844 AM PDT THU APR 14 2016

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

* WINDS...NORTHWEST 5 TO 15 KT.

* SEAS...NORTHWEST SWELL WILL PEAK AROUND 17 FT AT 15 SECONDS 
  DURING THE EARLY AFTERNOON. SUBSIDING TO 15 FEET AT 15 SECONDS 
  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.

$$
708 
WHUS76 KEKA 141755
MWWEKA

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
1055 AM PDT THU APR 14 2016

PZZ455-150200-
/O.EXA.KEKA.SE.W.0013.000000T0000Z-160415T0400Z/
/O.CON.KEKA.SC.Y.0045.000000T0000Z-160415T2200Z/
CAPE MENDOCINO TO PT ARENA OUT 10 NM-
1055 AM PDT THU APR 14 2016

...HAZARDOUS SEAS WARNING IN EFFECT UNTIL 9 PM PDT THIS EVENING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT FRIDAY...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A HAZARDOUS
SEAS WARNING...WHICH IS IN EFFECT UNTIL 9 PM PDT THIS EVENING. 

* WINDS...NORTHWEST 10 TO 20 KT.

* SEAS...NORTHWEST SWELL WILL PEAK AROUND 18 FT AT 15 SECONDS 
  DURING THE EARLY AFTERNOON. SUBSIDING TO 15 FEET AT 15 SECONDS 
  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.

$$

PZZ450-150200-
/O.CON.KEKA.SE.W.0013.000000T0000Z-160415T0400Z/
/O.CON.KEKA.SC.Y.0046.000000T0000Z-160415T2200Z/
PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM-
1055 AM PDT THU APR 14 2016

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS
EVENING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT FRIDAY...

* WINDS...WEST 20 TO 30 KT BECOMING N 5 TO 15 KT TONIGHT.

* SEAS...W SWELL WILL PEAK AROUND 21 FT AT 15 SECONDS DURING THE
  EARLY AFTERNOON. SUBSIDING TO 15 FEET AT 14 SECONDS TONIGHT.

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.

$$

PZZ470-150200-
/O.CON.KEKA.SE.W.0013.000000T0000Z-160415T0400Z/
/O.CON.KEKA.SC.Y.0046.000000T0000Z-160415T2200Z/
PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM-
1055 AM PDT THU APR 14 2016

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS
EVENING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT FRIDAY...

* WINDS...WEST 20 TO 30 KT WITH GUSTS UP TO 35 KT BECOMING NW 10
  TO 20 KT TONIGHT.

* SEAS...W SWELL WILL PEAK AROUND 22 FT AT 15 SECONDS DURING THE 
  EARLY AFTERNOON. SUBSIDING TO 16 FEET AT 14 SECONDS TONIGHT. 

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.

$$

PZZ475-150200-
/O.CON.KEKA.SE.W.0013.000000T0000Z-160415T0400Z/
/O.CON.KEKA.SC.Y.0045.000000T0000Z-160415T2200Z/
CAPE MENDOCINO TO PT ARENA 10 TO 60 NM-
1055 AM PDT THU APR 14 2016

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS
EVENING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT FRIDAY...

* WINDS...NORTHWEST 15 TO 25 KT.

* SEAS...NORTHWEST SWELL WILL PEAK AROUND 20 FEET AT 15 SECONDS
  DURING THE EARLY AFTERNOON. SUBSIDING TO 16 FEET AT 15 SECONDS
  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.

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.

$$
775 
WHUS76 KEKA 142133
MWWEKA

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
233 PM PDT THU APR 14 2016

PZZ450-150545-
/O.CON.KEKA.SE.W.0013.000000T0000Z-160415T0400Z/
/O.CON.KEKA.SC.Y.0046.000000T0000Z-160415T2200Z/
PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM-
233 PM PDT THU APR 14 2016

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS
EVENING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT FRIDAY...

* WINDS...W 15 TO 25 KT BECOMING N 5 TO 15 KT TONIGHT.

* SEAS...NW SWELL 20 FT AT 15 SECONDS DURING THE
  AFTERNOON...SUBSIDING TO 15 FEET AT 14 SECONDS TONIGHT.

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.

$$

PZZ455-150545-
/O.CON.KEKA.SE.W.0013.000000T0000Z-160415T0400Z/
/O.CON.KEKA.SC.Y.0045.000000T0000Z-160415T2200Z/
CAPE MENDOCINO TO PT ARENA OUT 10 NM-
233 PM PDT THU APR 14 2016

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS
EVENING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT FRIDAY...

* WINDS...NW 10 TO 20 KT.

* SEAS...NW SWELL 18 FT AT 15 SECONDS DURING THE
  AFTERNOON...SUBSIDING TO 14 FEET AT 14 SECONDS 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.

$$

PZZ470-150545-
/O.CON.KEKA.SE.W.0013.000000T0000Z-160415T0400Z/
/O.CON.KEKA.SC.Y.0046.000000T0000Z-160415T2200Z/
PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM-
233 PM PDT THU APR 14 2016

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS
EVENING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT FRIDAY...

* WINDS...W 15 TO 25 KT WITH GUSTS UP TO 30 KT...BECOMING N 10 TO
  20 KT TONIGHT.

* SEAS...NW SWELL 21 FT AT 15 SECONDS DURING THE
  AFTERNOON...SUBSIDING TO 15 FEET AT 14 SECONDS TONIGHT.

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.

$$

PZZ475-150545-
/O.CON.KEKA.SE.W.0013.000000T0000Z-160415T0400Z/
/O.CON.KEKA.SC.Y.0045.000000T0000Z-160415T2200Z/
CAPE MENDOCINO TO PT ARENA 10 TO 60 NM-
233 PM PDT THU APR 14 2016

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS
EVENING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT FRIDAY...

* WINDS...W 15 TO 25 KT...BECOMING N 10 TO 20 KT TONIGHT.

* SEAS...NW SWELL 20 FT AT 15 SECONDS DURING THE
  AFTERNOON...SUBSIDING TO 15 FEET AT 14 SECONDS 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.

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.

$$
823 
WHUS76 KEKA 150403
MWWEKA

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
903 PM PDT THU APR 14 2016

PZZ455-475-151215-
/O.CAN.KEKA.SE.W.0013.000000T0000Z-160415T0400Z/
/O.CON.KEKA.SC.Y.0045.000000T0000Z-160415T2200Z/
CAPE MENDOCINO TO PT ARENA OUT 10 NM-
CAPE MENDOCINO TO PT ARENA 10 TO 60 NM-
903 PM PDT THU APR 14 2016

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM FRIDAY...
...HAZARDOUS SEAS WARNING IS CANCELLED...

* WINDS...NW 10 TO 20 KT.

* SEAS...NW SWELL 15 TO 17 FT AT 15 SECONDS SUBSIDING TO 14 FEET
  AT 14 SECONDS AFTER MIDNIGHT.

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.

$$

PZZ450-151215-
/O.EXT.KEKA.SE.W.0013.000000T0000Z-160415T0800Z/
/O.CON.KEKA.SC.Y.0046.000000T0000Z-160415T2200Z/
PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM-
903 PM PDT THU APR 14 2016

...HAZARDOUS SEAS WARNING NOW IN EFFECT UNTIL 1 AM FRIDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM FRIDAY...

* SEAS...NW SWELL 17 FT AT 14 SECONDS SUBSIDING TO 15 FEET AFTER
  MIDNIGHT.

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.

$$

PZZ470-151215-
/O.EXT.KEKA.SE.W.0013.000000T0000Z-160415T0800Z/
/O.CON.KEKA.SC.Y.0046.000000T0000Z-160415T2200Z/
PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM-
903 PM PDT THU APR 14 2016

...HAZARDOUS SEAS WARNING NOW IN EFFECT UNTIL 1 AM FRIDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM FRIDAY...

* WINDS...N 10 TO 20 KT.

* SEAS...NW SWELL 18 FT AT 14 SECONDS... SUBSIDING TO 15 FEET
  AFTER MIDNIGHT.

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.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 12, 9:13 PM PDTGale WarningEKA24 hr
Apr 13, 3:12 AM PDTWinter Weather AdvisoryEKA41 hr
Apr 13, 4:41 PM PDTSpecial Marine WarningEKA49 min

Nearby

Hazardous Seas Warnings in California, 2016Every hazardous seas warning in 2016

Sources

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