Alert archive / California / Hazardous Seas Warnings in 2013

Hazardous Seas Warning 10, NWS Eureka, CA

April 22, 2013

NWS Eureka, CA issued this hazardous seas warning at Apr 22, 2013, 2:40 AM PDT. It was in force for 48 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 22, 2013, 2:40 AM PDT (09:40 UTC)
Expired
Apr 24, 2013, 3:00 AM PDT
In force
48 hr
Issued by
NWS Eureka, CA

The text

As transmitted, in the capitals the NWS used until 2016.

932 
WHUS76 KEKA 220940
MWWEKA

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
240 AM PDT MON APR 22 2013

PZZ475-221745-
/O.CAN.KEKA.GL.W.0011.000000T0000Z-130423T1200Z/
/O.NEW.KEKA.SE.W.0010.130422T0940Z-130423T1000Z/
/O.EXB.KEKA.SC.Y.0036.000000T0000Z-130423T1000Z/
CAPE MENDOCINO TO PT ARENA 10 TO 60 NM-
240 AM PDT MON APR 22 2013

...HAZARDOUS SEAS WARNING IN EFFECT UNTIL 3 AM PDT TUESDAY...
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM PDT TUESDAY...
...GALE WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A HAZARDOUS
SEAS WARNING...WHICH IS IN EFFECT UNTIL 3 AM PDT TUESDAY. A SMALL
CRAFT ADVISORY HAS ALSO BEEN ISSUED. THIS SMALL CRAFT ADVISORY IS
IN EFFECT UNTIL 3 AM PDT TUESDAY. THE GALE WARNING HAS BEEN
CANCELLED. 

* WINDS...NORTHERLY STRONG BREEZE THIS MORNING...INCREASING TO
  NEAR GALE THIS AFTERNOON THROUGH THIS EVENING. EXPECT GUSTS TO
  GALE FORCE ACROSS THE NORTHWEST PORTION THIS AFTERNOON THROUGH
  THIS EVENING.

* WAVES...NORTHERLY LARGE VERY STEEP WAVES THROUGH TONIGHT. THE
  LARGEST AND STEEPEST WAVES WILL BE ACROSS THE NORTHWEST PORTION
  THIS AFTERNOON THROUGH THIS EVENING.

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.

&&

$$

PZZ470-221745-
/O.CON.KEKA.SC.Y.0036.000000T0000Z-130422T1900Z/
/O.CON.KEKA.GL.W.0012.130422T1900Z-130423T1200Z/
PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM-
240 AM PDT MON APR 22 2013

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON PDT TODAY...
...GALE WARNING REMAINS IN EFFECT FROM NOON TODAY TO 5 AM PDT
TUESDAY...

A GALE WARNING REMAINS IN EFFECT FROM NOON TODAY TO 5 AM PDT
TUESDAY. A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON PDT
TODAY. 

* WINDS...NORTHERLY STRONG BREEZE WITH GUSTS TO NEAR GALE THIS
  MORNING...INCREASING TO NEAR GALE WITH GUSTS TO GALE FORCE THIS
  AFTERNOON THROUGH LATE TONIGHT.

* WAVES...NORTHERLY MODERATE TO LARGE WAVES THIS
  MORNING...BECOMING LARGE VERY STEEP WAVES THIS AFTERNOON THROUGH
  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.

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.

&&

$$

PZZ450-455-221745-
/O.CON.KEKA.SC.Y.0036.000000T0000Z-130423T0700Z/
PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM-
CAPE MENDOCINO TO PT ARENA OUT 10 NM-
240 AM PDT MON APR 22 2013

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

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

* WINDS...NORTHERLY MODERATE TO STRONG BREEZE THROUGH THIS
  EVENING. GUSTS TO NEAR GALE AROUND CAPE MENDOCINO THROUGH THIS
  EVENING.

* WAVES...NORTHERLY MODERATE TO LARGE WAVES THROUGH THIS EVENING. THE
  LARGEST AND STEEPEST WAVES WILL BE AROUND CAPE MENDOCINO AND PT
  ARENA THROUGH THIS EVENING.

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.

&&

$$


HTTP://WWW.WEATHER.GOV/EUREKA
9 follow-up statements
734 
WHUS76 KEKA 221601
MWWEKA

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
901 AM PDT MON APR 22 2013

PZZ470-230000-
/O.CON.KEKA.SC.Y.0036.000000T0000Z-130422T1900Z/
/O.CON.KEKA.GL.W.0012.130422T1900Z-130423T1200Z/
PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM-
901 AM PDT MON APR 22 2013

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON PDT TODAY...
...GALE WARNING REMAINS IN EFFECT FROM NOON TODAY TO 5 AM PDT
TUESDAY...

A GALE WARNING REMAINS IN EFFECT FROM NOON TODAY TO 5 AM PDT
TUESDAY. A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON PDT
TODAY. 

* WINDS...NORTHERLY STRONG BREEZE WITH GUSTS TO NEAR GALE THIS 
  MORNING...INCREASING TO NEAR GALE WITH GUSTS TO GALE FORCE 
  THIS AFTERNOON THROUGH LATE TONIGHT. 

* WAVES...NORTHERLY MODERATE TO LARGE WAVES THIS MORNING... 
  BECOMING LARGE VERY STEEP WAVES THIS AFTERNOON THROUGH 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.

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.

&&

$$

PZZ475-230000-
/O.CON.KEKA.SE.W.0010.000000T0000Z-130423T1000Z/
/O.CON.KEKA.SC.Y.0036.000000T0000Z-130423T1000Z/
CAPE MENDOCINO TO PT ARENA 10 TO 60 NM-
901 AM PDT MON APR 22 2013

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 3 AM PDT
TUESDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT
TUESDAY...

A HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 3 AM PDT
TUESDAY. A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT
TUESDAY. 

* WINDS...NORTHERLY STRONG BREEZE THIS MORNING...INCREASING TO 
  NEAR GALE THIS AFTERNOON THROUGH THIS EVENING. EXPECT GUSTS TO 
  GALE FORCE ACROSS THE NORTHWEST PORTION THIS AFTERNOON THROUGH 
  THIS EVENING. 

* WAVES...NORTHERLY LARGE VERY STEEP WAVES THROUGH TONIGHT. THE 
  LARGEST AND STEEPEST WAVES WILL BE ACROSS THE NORTHWEST 
  PORTION THIS AFTERNOON THROUGH THIS EVENING. 

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.

&&

$$

PZZ450-455-230000-
/O.CON.KEKA.SC.Y.0036.000000T0000Z-130423T0700Z/
PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM-
CAPE MENDOCINO TO PT ARENA OUT 10 NM-
901 AM PDT MON APR 22 2013

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

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

* WINDS...NORTHERLY MODERATE TO STRONG BREEZE THROUGH THIS 
  EVENING. GUSTS TO NEAR GALE AROUND CAPE MENDOCINO THROUGH THIS 
  EVENING. 

* WAVES...NORTHERLY MODERATE TO LARGE WAVES THROUGH THIS 
  EVENING. THE LARGEST AND STEEPEST WAVES WILL BE AROUND CAPE 
  MENDOCINO AND PT ARENA THROUGH THIS EVENING. 

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.

&&

$$


HTTP://WWW.WEATHER.GOV/EUREKA
053 
WHUS76 KEKA 222202
MWWEKA

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
302 PM PDT MON APR 22 2013

PZZ470-230615-
/O.EXT.KEKA.GL.W.0012.000000T0000Z-130424T1000Z/
PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM-
302 PM PDT MON APR 22 2013

...GALE WARNING NOW IN EFFECT UNTIL 3 AM PDT WEDNESDAY...

THE GALE WARNING IS NOW IN EFFECT UNTIL 3 AM PDT WEDNESDAY. 

* WINDS...NORTHERLY WINDS TO NEAR GALE WITH GUSTS TO GALE FORCE
  THIS AFTERNOON THROUGH LATE TONIGHT. THE WINDS WILL EASE BELOW
  GALE FORCE DURING THE DAY TUESDAY. THE GALE FORCE WINDS RETURN
  TUESDAY EVENING.

* WAVES...NORTHERLY LARGE STEEP TO VERY STEEP WAVES TO CONTINUE
  FROM LATE THIS AFTERNOON THROUGH LATE TUESDAY NIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

PZZ475-230615-
/O.EXT.KEKA.SE.W.0010.000000T0000Z-130424T1100Z/
/O.EXT.KEKA.SC.Y.0036.000000T0000Z-130425T0300Z/
CAPE MENDOCINO TO PT ARENA 10 TO 60 NM-
302 PM PDT MON APR 22 2013

...HAZARDOUS SEAS WARNING NOW IN EFFECT UNTIL 4 AM PDT
WEDNESDAY...
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 PM PDT WEDNESDAY...

THE HAZARDOUS SEAS WARNING IS NOW IN EFFECT UNTIL 4 AM PDT
WEDNESDAY. THE SMALL CRAFT ADVISORY IS NOW IN EFFECT UNTIL 8 PM
PDT WEDNESDAY. 

* WINDS...NORTHERLY STRONG BREEZE WINDS TO PERSIST THROUGH
  WEDNESDAY. THE STRONGEST WINDS WILL BE IN THE NORTHWEST PORTION
  OF THE ZONE.

* WAVES...NORTHERLY LARGE STEEP TO VERY STEEP WAVES TO CONTINUE
  FROM LATE THIS AFTERNOON THROUGH LATE TUESDAY NIGHT. 

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.

&&

$$

PZZ450-230615-
/O.EXT.KEKA.SC.Y.0036.000000T0000Z-130424T1100Z/
PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM-
302 PM PDT MON APR 22 2013

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 AM PDT WEDNESDAY...

THE SMALL CRAFT ADVISORY IS NOW IN EFFECT UNTIL 4 AM PDT
WEDNESDAY. 

* WINDS...NORTHERLY MODERATE TO STRONG BREEZE THROUGH THIS
  EVENING. GUSTS TO NEAR GALE AROUND CAPE MENDOCINO THROUGH THIS
  EVENING. THEN WINDS EASE ON TUESDAY.

* WAVES...NORTHERLY MODERATE TO LARGE WAVES TO CONTINUE THROUGH TUESDAY
  NIGHT. THE LARGEST AND STEEPEST WAVES WILL BE AROUND CAPE
  MENDOCINO THROUGH THIS EVENING.

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.

&&

$$

PZZ455-230615-
/O.EXT.KEKA.SC.Y.0036.000000T0000Z-130423T1100Z/
CAPE MENDOCINO TO PT ARENA OUT 10 NM-
302 PM PDT MON APR 22 2013

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 AM PDT TUESDAY...

THE SMALL CRAFT ADVISORY IS NOW IN EFFECT UNTIL 4 AM PDT TUESDAY.

* WINDS...NORTHERLY MODERATE TO STRONG BREEZE THROUGH THIS
  EVENING. GUSTS TO NEAR GALE AROUND CAPE MENDOCINO THROUGH LATE THIS
  EVENING.

* WAVES...NORTHERLY MODERATE TO LARGE WAVES THROUGH THIS 
  EVENING. THE LARGEST AND STEEPEST WAVES WILL BE AROUND CAPE 
  MENDOCINO AND PT ARENA THROUGH THIS EVENING. 

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.

&&

$$

HTTP://WWW.WEATHER.GOV/EUREKA
472 
WHUS76 KEKA 230406
MWWEKA

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
906 PM PDT MON APR 22 2013

PZZ470-231215-
/O.CON.KEKA.GL.W.0012.000000T0000Z-130424T1000Z/
PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM-
906 PM PDT MON APR 22 2013

...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PDT WEDNESDAY...

A GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PDT WEDNESDAY. 

* WINDS...NORTHERLY NEAR GALE WITH GUSTS TO GALE FORCE THROUGH
  LATE TONIGHT. THE WINDS WILL EASE BELOW GALE FORCE DURING THE
  DAY TUESDAY. GALE FORCE WINDS RETURN TUESDAY EVENING.

* WAVES...NORTHERLY LARGE STEEP TO VERY STEEP WAVES TO CONTINUE THROUGH
  LATE TUESDAY NIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GALE WARNING MEANS WINDS OF 34 TO 47 KNOTS ARE IMMINENT OR
OCCURRING. OPERATING A VESSEL IN GALE CONDITIONS REQUIRES
EXPERIENCE AND PROPERLY EQUIPPED VESSELS. IT IS HIGHLY
RECOMMENDED THAT MARINERS WITHOUT THE PROPER EXPERIENCE SEEK SAFE
HARBOR PRIOR TO THE ONSET OF GALE CONDITIONS.

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

PZZ475-231215-
/O.CON.KEKA.SE.W.0010.000000T0000Z-130424T1100Z/
/O.CON.KEKA.SC.Y.0036.000000T0000Z-130425T0300Z/
CAPE MENDOCINO TO PT ARENA 10 TO 60 NM-
906 PM PDT MON APR 22 2013

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 4 AM PDT
WEDNESDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT
WEDNESDAY...

A HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 4 AM PDT
WEDNESDAY. A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM
PDT WEDNESDAY. 

* WINDS...NORTHERLY STRONG BREEZE TO PERSIST THROUGH WEDNESDAY.
  THE STRONGEST WINDS WILL BE IN THE NORTHWEST PORTION OF THE
  ZONE.

* WAVES...NORTHERLY LARGE STEEP TO VERY STEEP WAVES TO CONTINUE THROUGH
  LATE TUESDAY NIGHT.

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.

&&

$$

PZZ450-231215-
/O.CON.KEKA.SC.Y.0036.000000T0000Z-130424T1100Z/
PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM-
906 PM PDT MON APR 22 2013

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM PDT
WEDNESDAY...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM PDT
WEDNESDAY. 

* WINDS...NORTHERLY MODERATE TO STRONG BREEZE THROUGH LATE
  TONIGHT. GUSTS TO NEAR GALE AROUND CAPE MENDOCINO THROUGH THIS
  EVENING.

* WAVES...NORTHERLY MODERATE TO LARGE WAVES TO CONTINUE THROUGH 
  TUESDAY NIGHT. THE LARGEST AND STEEPEST WAVES WILL BE AROUND 
  CAPE MENDOCINO THROUGH THIS EVENING. 

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.

&&

$$

PZZ455-231100-
/O.CON.KEKA.SC.Y.0036.000000T0000Z-130423T1100Z/
CAPE MENDOCINO TO PT ARENA OUT 10 NM-
906 PM PDT MON APR 22 2013

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM PDT
TUESDAY...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM PDT TUESDAY. 

* WINDS...NORTHERLY MODERATE TO STRONG BREEZE THROUGH LATE
  TONIGHT. GUSTS TO NEAR GALE AROUND CAPE MENDOCINO.

* WAVES...NORTHERLY MODERATE TO LARGE WAVES THROUGH LATE TONIGHT.
  THE LARGEST AND STEEPEST WAVES WILL BE AROUND CAPE MENDOCINO AND
  PT ARENA.

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.

&&

$$


HTTP://WWW.WEATHER.GOV/EUREKA
423 
WHUS76 KEKA 230957
MWWEKA

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
257 AM PDT TUE APR 23 2013

PZZ470-231800-
/O.CON.KEKA.GL.W.0012.000000T0000Z-130424T1000Z/
PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM-
257 AM PDT TUE APR 23 2013

...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PDT WEDNESDAY...

A GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PDT WEDNESDAY. 

* WINDS...NORTHERLY FRESH TO STRONG BREEZE THIS MORNING WITH GUST
  TO NEAR GALES. WINDS WILL INCREASE TO GALE FORCE THIS
  AFTERNOON THROUGH TONIGHT...THEN EASE ON WEDNESDAY.

* WAVES...NORTHERLY LARGE WAVES THIS MORNING...BECOMING VERY STEEP
  THIS AFTERNOON THROUGH TONIGHT. SEAS WILL SUBSIDE ON WEDNESDAY.

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.

&&

$$

PZZ475-231800-
/O.CON.KEKA.SE.W.0010.000000T0000Z-130424T1100Z/
/O.CON.KEKA.SC.Y.0036.000000T0000Z-130425T0300Z/
CAPE MENDOCINO TO PT ARENA 10 TO 60 NM-
257 AM PDT TUE APR 23 2013

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 4 AM PDT
WEDNESDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT
WEDNESDAY...

A HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 4 AM PDT
WEDNESDAY. A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM
PDT WEDNESDAY. 

* WINDS...NORTHERLY FRESH BREEZE THIS MORNING. WINDS WILL INCREASE
  TO A STRONG BREEZE WITH GUSTS TO NEAR GALE THIS AFTERNOON
  THROUGH TONIGHT. EXPECT GUSTS TO GALE FORCE THIS AFTERNOON
  THROUGH THIS EVENING ACROSS THE NORTHWEST PORTION.

* WAVES...NORTHERLY LARGE WAVES THIS MORNING...BECOMING VERY STEEP
  THIS AFTERNOON THROUGH TONIGHT. THE LARGEST AND STEEPEST WAVES
  WILL BE ACROSS THE NORTHWEST PORTION THIS AFTERNOON THROUGH 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.

&&

$$

PZZ450-231800-
/O.CON.KEKA.SC.Y.0036.000000T0000Z-130424T1100Z/
PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM-
257 AM PDT TUE APR 23 2013

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM PDT
WEDNESDAY...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM PDT
WEDNESDAY. 

* WINDS...NORTHERLY MODERATE BREEZE THIS MORNING. WINDS WILL
  INCREASE TO A FRESH TO STRONG BREEZE THIS AFTERNOON THROUGH
  TONIGHT. EXPECT GUSTS TO NEAR GALE AROUND CAPE MENDOCINO AND PT
  ST GEORGE THIS AFTERNOON THROUGH TONIGHT.

* WAVES...NORTHERLY MODERATE WAVES THIS MORNING...BUILDING TO
  LARGE WAVES THIS AFTERNOON THROUGH TONIGHT. THE LARGEST AND
  STEEPEST WAVES WILL BE AROUND CAPE MENDOCINO THIS AFTERNOON
  THROUGH TONIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$

PZZ455-231100-
/O.CON.KEKA.SC.Y.0036.000000T0000Z-130423T1100Z/
CAPE MENDOCINO TO PT ARENA OUT 10 NM-
257 AM PDT TUE APR 23 2013

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM PDT EARLY
THIS MORNING...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM PDT EARLY
THIS MORNING. 

WINDS WILL EASE AND WAVES WILL SUBSIDE THIS MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SMALL CRAFT ADVISORY MEANS THAT WIND SPEEDS OF 21 TO 33 KNOTS
ARE EXPECTED TO PRODUCE HAZARDOUS WAVE CONDITIONS TO SMALL CRAFT.
INEXPERIENCED MARINERS...ESPECIALLY THOSE OPERATING SMALLER
VESSELS SHOULD AVOID NAVIGATING IN THESE CONDITIONS.

&&

$$


HTTP://WWW.WEATHER.GOV/EUREKA
168 
WHUS76 KEKA 231053
MWWEKA

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
353 AM PDT TUE APR 23 2013

PZZ455-231200-
/O.EXP.KEKA.SC.Y.0036.000000T0000Z-130423T1100Z/
CAPE MENDOCINO TO PT ARENA OUT 10 NM-
353 AM PDT TUE APR 23 2013

...SMALL CRAFT ADVISORY WILL EXPIRE AT 4 AM PDT EARLY THIS
MORNING...

THE SMALL CRAFT ADVISORY WILL EXPIRE AT 4 AM PDT EARLY THIS
MORNING. 

$$

PZZ470-231900-
/O.CON.KEKA.GL.W.0012.000000T0000Z-130424T1000Z/
PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM-
353 AM PDT TUE APR 23 2013

...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PDT WEDNESDAY...

A GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PDT WEDNESDAY. 

* WINDS...NORTHERLY FRESH TO STRONG BREEZE THIS MORNING WITH 
  GUST TO NEAR GALES. WINDS WILL INCREASE TO GALE FORCE THIS 
  AFTERNOON THROUGH TONIGHT...THEN EASE ON WEDNESDAY. 

* WAVES...NORTHERLY LARGE WAVES THIS MORNING...BECOMING VERY 
  STEEP THIS AFTERNOON THROUGH TONIGHT. SEAS WILL SUBSIDE ON 
  WEDNESDAY. 

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.

&&

$$

PZZ475-231900-
/O.CON.KEKA.SE.W.0010.000000T0000Z-130424T1100Z/
/O.CON.KEKA.SC.Y.0036.000000T0000Z-130425T0300Z/
CAPE MENDOCINO TO PT ARENA 10 TO 60 NM-
353 AM PDT TUE APR 23 2013

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 4 AM PDT
WEDNESDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT
WEDNESDAY...

A HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 4 AM PDT
WEDNESDAY. A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM
PDT WEDNESDAY. 

* WINDS...NORTHERLY FRESH BREEZE THIS MORNING. WINDS WILL INCREASE
  TO A STRONG BREEZE WITH GUSTS TO NEAR GALE THIS AFTERNOON
  THROUGH TONIGHT...THEN EASE ON WEDNESDAY. EXPECT GUSTS TO
  GALE FORCE THIS AFTERNOON THROUGH THIS EVENING ACROSS THE
  NORTHWEST PORTION.

* WAVES...NORTHERLY LARGE WAVES THIS MORNING...BECOMING VERY STEEP
  THIS AFTERNOON THROUGH TONIGHT. THE LARGEST AND STEEPEST WAVES
  WILL BE ACROSS THE NORTHWEST PORTION THIS AFTERNOON THROUGH
  TONIGHT. SEAS WILL SUBSIDE ON WEDNESDAY.

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.

&&

$$

PZZ450-231900-
/O.CON.KEKA.SC.Y.0036.000000T0000Z-130424T1100Z/
PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM-
353 AM PDT TUE APR 23 2013

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM PDT
WEDNESDAY...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM PDT
WEDNESDAY. 

* WINDS...NORTHERLY MODERATE BREEZE THIS MORNING. WINDS WILL
  INCREASE TO A FRESH TO STRONG BREEZE THIS AFTERNOON THROUGH
  TONIGHT...THEN EASE ON WEDNESDAY. EXPECT GUSTS TO NEAR GALE
  AROUND CAPE MENDOCINO AND PT ST GEORGE THIS AFTERNOON THROUGH
  TONIGHT.

* WAVES...NORTHERLY MODERATE WAVES THIS MORNING...BUILDING TO
  LARGE WAVES THIS AFTERNOON THROUGH TONIGHT. THE LARGEST AND
  STEEPEST WAVES WILL BE AROUND CAPE MENDOCINO THIS AFTERNOON
  THROUGH TONIGHT. SEAS WILL SUBSIDE ON WEDNESDAY.

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.

&&

$$


HTTP://WWW.WEATHER.GOV/EUREKA
973 
WHUS76 KEKA 231637
MWWEKA

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
937 AM PDT TUE APR 23 2013

PZZ475-240045-
/O.EXT.KEKA.SE.W.0010.000000T0000Z-130424T1000Z/
/O.CON.KEKA.SC.Y.0036.000000T0000Z-130425T0300Z/
CAPE MENDOCINO TO PT ARENA 10 TO 60 NM-
937 AM PDT TUE APR 23 2013

...HAZARDOUS SEAS WARNING NOW IN EFFECT UNTIL 3 AM WEDNESDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM WEDNESDAY...

* WINDS...FRESH TO STRONG WINDS WILL PREVAIL THIS AFTERNOON AND
  EVENING UNDER A TIGHTENED PRESSURE GRADIENT. WINDS WILL EASE
  OVERNIGHT AS THE GRADIENT EASES THEN INCREASE AGAIN WEDNESDAY
  AFTERNOON.

* WAVES...STRONG TO GALE FORCE WINDS WILL REDEVELOP VERY STEEP
  WAVES TODAY. THESE WAVES WILL BEGIN TO SUBSIDE OVERNIGHT AS THE
  WINDS EASE.

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.

&&

$$

PZZ470-240045-
/O.CON.KEKA.GL.W.0012.000000T0000Z-130424T1000Z/
PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM-
937 AM PDT TUE APR 23 2013

...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM WEDNESDAY...

* WINDS...NEAR GALE TO GALE CONDITIONS WILL DEVELOP AGAIN THIS
  AFTERNOON AND EVENING AS THE PRESSURE GRADIENT TIGHTENS AGAIN.

* WAVES...LARGE STEEP WIND DRIVEN WAVES WILL DOMINATE TODAY.
  WAVES WILL SUBSIDE OVERNIGHT AFTER THE WINDS FALL OFF.

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.

&&

$$

PZZ450-240045-
/O.EXT.KEKA.SC.Y.0036.000000T0000Z-130424T1000Z/
PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM-
937 AM PDT TUE APR 23 2013

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 AM WEDNESDAY...

* WINDS...WEAK OFFSHORE FLOW WILL TURN ONSHORE THIS AFTERNOON AND
  BECOME MODERATE THIS AFTERNOON. THE VERY NEARSHORE ENVIRONMENT
  WILL CONTINUE WITH LIGHT WINDS MUCH OF THE DAY.

* WAVES...STEEP WIND DRIVEN SEAS PROPAGATING IN FROM THE OFFSHORE
  WATERS WILL CONTINUE THROUGH THE EVENING.

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.

&&

$$


HTTP://WWW.WEATHER.GOV/EUREKA
131 
WHUS76 KEKA 232121
MWWEKA

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
221 PM PDT TUE APR 23 2013

PZZ470-240530-
/O.CON.KEKA.GL.W.0012.000000T0000Z-130424T1000Z/
PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM-
221 PM PDT TUE APR 23 2013

...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM WEDNESDAY...

* WINDS...GALE CONDITIONS ARE DEVELOPING THIS AFTERNOON AND WILL
  CONTINUE THROUGH NIGHT AS THE PRESSURE GRADIENT TIGHTENS. GALE
  CONDITIONS ARE EXPECTED TO EASE BY MID WEDNESDAY MORNING.

* WAVES...STEEP WIND DRIVEN WAVES WILL DOMINATE THE WATERS THIS
  EVENING. WAVES WILL SUBSIDE FOLLOWING THE DIMINISHING WINDS.

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.

&&

$$

PZZ475-240530-
/O.CON.KEKA.SE.W.0010.000000T0000Z-130424T1000Z/
/O.CON.KEKA.SC.Y.0036.000000T0000Z-130425T0300Z/
CAPE MENDOCINO TO PT ARENA 10 TO 60 NM-
221 PM PDT TUE APR 23 2013

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 3 AM
WEDNESDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM WEDNESDAY...

* WINDS...STRONG TO NEAR GALE WINDS WILL PREVAIL THIS EVENING
  UNDER A TIGHTENING PRESSURE GRADIENT. WINDS WILL EASE OVERNIGHT
  AS THE GRADIENT EASES.

* WAVES...STEEP WIND DRIVEN WAVES WILL DOMINATE THE WATERS THIS
  EVENING. WAVES WILL SUBSIDE FOLLOWING THE DIMINISHING WINDS.

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.

&&

$$

PZZ450-240530-
/O.CON.KEKA.SC.Y.0036.000000T0000Z-130424T1000Z/
PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM-
221 PM PDT TUE APR 23 2013

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM WEDNESDAY... 

* WINDS...MODERATE TO FRESH ONSHORE FLOW WILL CONTINUE THROUGH
  MUCH OF THE NIGHT UNDER A TIGHTENED PRESSURE GRADIENT. WINDS
  WILL EASE BY MID MORNING WEDNESDAY.

* WAVES...STEEP WIND DRIVEN WAVES PROPAGATING IN FROM THE OFFSHORE
  WATERS AND LOCALLY GENERATED WILL CONTINUE THROUGH THE NIGHT.
  WAVES WILL SUBSIDE FOLLOWING THE DIMINISHING WINDS.

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.

&&

$$


HTTP://WWW.WEATHER.GOV/EUREKA
208 
WHUS76 KEKA 240409
MWWEKA

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
909 PM PDT TUE APR 23 2013

PZZ470-241000-
/O.CON.KEKA.GL.W.0012.000000T0000Z-130424T1000Z/
PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM-
909 PM PDT TUE APR 23 2013

...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PDT WEDNESDAY...

A GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PDT WEDNESDAY. 

* WINDS...NORTH WINDS 25 TO 35 KT WITH GUSTS TO 40 KT TONIGHT
  BECOMING NE AND EASING TO 5 TO 10 KT WEDNESDAY AFTERNOON. 

* WAVES...STEEP WIND DRIVEN WAVES WILL DOMINATE THE WATERS THIS 
  EVENING. WAVES WILL SUBSIDE FOLLOWING THE DIMINISHING WINDS. 

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.

&&

$$

PZZ475-241215-
/O.CON.KEKA.SE.W.0010.000000T0000Z-130424T1000Z/
/O.CON.KEKA.SC.Y.0036.000000T0000Z-130425T0300Z/
CAPE MENDOCINO TO PT ARENA 10 TO 60 NM-
909 PM PDT TUE APR 23 2013

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 3 AM PDT
WEDNESDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT
WEDNESDAY...

A HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 3 AM PDT
WEDNESDAY. A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM
PDT WEDNESDAY. 

* WINDS...NORTHERLY WINDS 15 TO 25 KT WITH GUSTS TO 35 KT TONIGHT.
  WINDS WILL EASE ON WEDNESDAY WITH THE EASING PRESSURE GRADIENT.

* WAVES...STEEP WIND DRIVEN WAVES WILL DOMINATE THE WATERS TONIGHT.
  WAVES WILL SUBSIDE FOLLOWING THE DIMINISHING WINDS.

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.

&&

$$

PZZ450-241000-
/O.CON.KEKA.SC.Y.0036.000000T0000Z-130424T1000Z/
PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM-
909 PM PDT TUE APR 23 2013

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT
WEDNESDAY...

A SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT
WEDNESDAY. 

* WINDS...NORTHERLY WINDS 15 TO 25 KT WITH GUSTS 30 TO 35 KT
  TONIGHT. WINDS WILL EASE WEDNESDAY MORNING.

* WAVES...STEEP WIND DRIVEN NORTHERLY SEAS. WAVES WILL SUBSIDE
  FOLLOWING THE DIMINISHING WINDS.

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.

&&

$$


HTTP://WWW.WEATHER.GOV/EUREKA
176 
WHUS76 KEKA 241004
MWWEKA

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
304 AM PDT WED APR 24 2013

PZZ470-241815-
/O.EXP.KEKA.GL.W.0012.000000T0000Z-130424T1000Z/
/O.NEW.KEKA.SC.Y.0037.130424T1004Z-130425T0300Z/
PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM-
304 AM PDT WED APR 24 2013

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM PDT THIS EVENING...
...GALE WARNING HAS EXPIRED...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A SMALL CRAFT
ADVISORY...WHICH IS IN EFFECT UNTIL 8 PM PDT THIS EVENING. THE
GALE WARNING IS NO LONGER IN EFFECT. 

* WINDS...NORTHERLY STRONG BREEZE WITH GUSTS TO NEAR GALE EARLY
  THIS MORNING. WINDS WILL EASE TO A FRESH TO STRONG BREEZE LATE
  THIS MORNING THROUGH TONIGHT. EXPECT GUSTS TO NEAR GALE ACROSS
  THE NORTHWEST PORTION LATE THIS MORNING THROUGH TONIGHT.

* WAVES...NORTHERLY LARGE WAVES EARLY THIS MORNING...SUBSIDING TO
  MODERATE WAVES LATE THIS MORNING THROUGH THIS AFTERNOON. THE
  LARGEST WAVES WILL BE ACROSS THE NORTHWEST PORTION.

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.

&&

$$

PZZ475-241600-
/O.EXP.KEKA.SE.W.0010.000000T0000Z-130424T1000Z/
/O.EXT.KEKA.SC.Y.0036.000000T0000Z-130424T1600Z/
CAPE MENDOCINO TO PT ARENA 10 TO 60 NM-
304 AM PDT WED APR 24 2013

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

THE HAZARDOUS SEAS WARNING IS NO LONGER IN EFFECT. THE SMALL
CRAFT ADVISORY IS NOW IN EFFECT UNTIL 9 AM PDT THIS MORNING. 

* WINDS...NORTHERLY STRONG BREEZE WITH GUSTS TO NEAR GALE EARLY
  THIS MORNING...EXCEPT ACROSS THE SOUTHWEST PORTION WHERE WINDS
  WILL BE A LIGHT TO MODERATE BREEZE. WINDS WILL EASE TO A GENTLE
  TO MODERATE BREEZE LATE THIS MORNING THROUGH THIS AFTERNOON.

* WAVES...NORTHERLY LARGE WAVES EARLY THIS MORNING...SUBSIDING TO
  MODERATE WAVES LATE THIS MORNING THROUGH THIS AFTERNOON. THE
  LARGEST WAVES WILL BE ACROSS THE NORTHWEST PORTION.

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.

&&

$$

PZZ450-241600-
/O.EXP.KEKA.SC.Y.0036.000000T0000Z-130424T1000Z/
/O.NEW.KEKA.SC.Y.0037.130424T1004Z-130424T1600Z/
PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM-
304 AM PDT WED APR 24 2013

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

THE SMALL CRAFT ADVISORY IS NOW IN EFFECT UNTIL 9 AM PDT THIS
MORNING.

* WINDS...NORTHERLY STRONG BREEZE WITH GUSTS TO NEAR GALE EARLY
  THIS MORNING. WINDS WILL EASE TO A FRESH TO STRONG BREEZE LATE
  THIS MORNING THROUGH TONIGHT. EXPECT GUSTS TO NEAR GALE ACROSS
  THE NORTHWEST PORTION LATE THIS MORNING THROUGH TONIGHT.

* WAVES...NORTHERLY LARGE WAVES EARLY THIS MORNING...SUBSIDING TO
  MODERATE WAVES LATE THIS MORNING THROUGH THIS AFTERNOON. THE
  LARGEST WAVES WILL BE ACROSS THE NORTHWEST PORTION.

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.

&&

$$


HTTP://WWW.WEATHER.GOV/EUREKA

What forecasters said that day

The local office's own words before this hazardous seas warning 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 hazardous seas warning went out at Apr 21, 3:07 PM PDT, 11 hours 33 minutes earlier.

Area forecast discussion, Apr 21, 3:07 PM PDT, 11 hours 33 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE EUREKA CA
307 PM PDT SUN APR 21 2013

.SYNOPSIS...HIGH PRESSURE AND OFFSHORE FLOW WILL BRING MOSTLY
CLEAR SKIES AND WARM TEMPERATURES TO MUCH OF THE AREA. COASTAL
AREAS WILL SEE A FEW MORNING CLOUDS AND GUSTY AFTERNOON WINDS.
HIGH PRESSURE WILL PERSIST THROUGH WEDNESDAY BEFORE A WEAK SYSTEM
WILL BRING SOME CLOUDS AND COOLER TEMPERATURES.

&&

.DISCUSSION...LOW CLOUDS AND FOG DISSIPATED OVER THE W VALLEYS AND
OFFSHORE AREAS N OF CAPE MENDO BY EARLY AFTERNOON TODAY. ALTHO LOW
CLOUDS AND FOG ARE EXPECTED TO ONCE AGAIN DEVELOP ALONG THE
REDWOOD COAST LATER THIS EVENING AND OVERNIGHT...THE AREAL EXTENT
AND THICKNESS IS EXPECTED TO BE LESS THAN LAST NIGHT. IN FACT...
LATEST NAM ONLY DEVELOPS NARROW STRIP OF LOW CLOUDS AND FOG FROM
NEAR CAPE MENDO TO JUST NEAR KACV. THE ATMOSPHERE WILL CONTINUE TO
DRY OUT OVER THE NEXT FEW DAYS WITH LITTLE IF ANY FOG EXPECTED.

OFFSHORE FLOW WILL BEGIN TO DEVELOP EARLY IN THE COMING WEEK AS
AN UPPER RIDGE CONTINUES TO BUILD W OF THE AREA. THIS WILL ALLOW
TEMPERATURES TO WARM ACROSS THE AREA. MAX TEMPS WILL REACH THE MID
80S OVER PORTIONS OF THE INTERIOR THRU WED. THE LATEST MODELS HINT
THAT STRONGER OFFSHORE FLOW MAY HOLD OFF UNTIL LATE IN THE DAY ON
MON AND OVERNIGHT. THE WARMEST TEMPS MAY OCCUR EITHER LATE IN THE
DAY ON MON AT COASTAL LOCALES OR PERHAPS ON TUE.

LITTLE IF ANY RAINFALL IS EXPECTED IN THE COMING WEEK. SLIGHT
CHANCE POPS MAY CLIP OUR N ZONES BY NEXT WEEKEND. HAVE CONTINUED
THE MID SHIFT TREND OF INCREASING MARINE CLOUDS AND FOG FROM THE S
BY LATE IN THE COMING WEEK.

&&

.AVIATION...VFR CONDITIONS AND MODERATE AND GUSTY NORTHWESTERLY
WINDS WILL CONTINUE AT KCEC AND KACV THROUGH LATE THIS EVENING.
CEILINGS AND VISIBILITIES WILL DECREASE TO MVFR AND IFR CONDITIONS
AT KCEC AND KACV OVERNIGHT AS CLOUDINESS INCREASES AND PATCHY FOG
DEVELOPS ACROSS COASTAL AREAS. VFR CONDITIONS AND LIGHT NORTHERLY
WINDS WILL CONTINUE AT KUKI THE NEXT FEW DAYS.

&&

.MARINE...NORTHERLY WINDS WILL PREVAIL ACROSS THE WATERS THROUGH
THIS WEEK AS A PERSISTENT HIGH PRESSURE SYSTEM OFFSHORE INTERACTS
WITH A THERMAL TROUGH INLAND TO MAINTAIN A STRONG PRESSURE GRADIENT.
GALE TO NEAR GALE CONDITIONS AND ELEVATED SEAS WILL OCCUR ACROSS THE
OUTER WATERS THROUGH THE MIDDLE OF THIS WEEK...THE INNER WATERS WILL
EXPERIENCE ELEVATED WINDS AND SEAS. THE WINDS AND SEAS WILL DIMINISH
ACROSS ALL THE WATERS LATE THIS WEEK AS THE PRESSURE GRADIENT
RELAXES ACROSS THE AREA.

&&

.EKA WATCHES/WARNINGS/ADVISORIES...
CA...NONE.
NORTHWEST CALIFORNIA COASTAL WATERS...SMALL CRAFT ADVISORY UNTIL
     MIDNIGHT MONDAY NIGHT PZZ450-455.

     SMALL CRAFT ADVISORY UNTIL NOON MONDAY PZZ470.

     GALE WARNING FROM NOON MONDAY TO 5 AM TUESDAY PZZ470.

     GALE WARNING UNTIL 5 AM TUESDAY PZZ475.

&&

VISIT US AT HTTP://WWW.WEATHER.GOV/EUREKA

FOLLOW US ON FACEBOOK AND TWITTER AT:
HTTP://WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.EUREKA.GOV
HTTP://WWW.TWITTER.COM/NWSEUREKA
Hazardous weather outlook, Apr 21, 4:58 AM PDT, 21 hours 42 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE EUREKA CA
458 AM PDT SUN APR 21 2013

CAZ001>004-076-221200-
REDWOOD COAST-MENDOCINO COAST-NORTH COAST INTERIOR-
UPPER TRINITY RIVER-MENDOCINO INTERIOR-
458 AM PDT SUN APR 21 2013

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...MONDAY THROUGH SATURDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

Nearby

Hazardous Seas Warnings in California, 2013Every hazardous seas warning in 2013

Sources

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