Alert archive / California / Small Craft Advisories in 2018

Small Craft Advisory 55, NWS Eureka, CA

May 30, 2018

NWS Eureka, CA issued this small craft advisory at May 30, 2018, 2:11 PM PDT. It took effect at May 30, 2018, 3:00 PM PDT. It was in force for 30 hr.

The area

The counties it named.

The facts

Issued
May 30, 2018, 2:11 PM PDT (21:11 UTC)
In effect from
May 30, 2018, 3:00 PM PDT
Expired
May 31, 2018, 9:00 PM PDT
In force
30 hr
Issued by
NWS Eureka, CA

The text

As transmitted.

370 
WHUS76 KEKA 302111
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
211 PM PDT Wed May 30 2018

PZZ470-475-310515-
/O.CON.KEKA.GL.W.0021.000000T0000Z-180531T1000Z/
Pt St George to Cape Mendocino 10 to 60 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
211 PM PDT Wed May 30 2018

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

* WINDS...N 20 to 30 kt with gusts to 45 kt. Winds will diminish
  through Friday.

* WAVES...N 10 to 15 feet at 10 seconds. Seas will subside 
  during the overnight hours 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.

$$

PZZ450-310515-
/O.CON.KEKA.SE.W.0011.000000T0000Z-180530T2200Z/
/O.NEW.KEKA.SC.Y.0055.180530T2200Z-180531T2200Z/
Pt St George to Cape Mendocino out 10 nm-
211 PM PDT Wed May 30 2018

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 3 PM PDT THIS
AFTERNOON...
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM PDT THURSDAY...

The National Weather Service in Eureka has issued a Small Craft
Advisory, which is in effect until 3 PM PDT Thursday. 

* WINDS...N 15 to 25 kt. Winds will diminish through Friday. 

* WAVES...NW to N 8 to 12 ft at 9 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.

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.

&&

$$

PZZ455-310515-
/O.CON.KEKA.SE.W.0011.000000T0000Z-180530T2200Z/
/O.NEW.KEKA.SC.Y.0055.180530T2200Z-180601T0400Z/
Cape Mendocino to Pt Arena out 10 nm-
211 PM PDT Wed May 30 2018

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

The National Weather Service in Eureka has issued a Small Craft
Advisory, which is in effect until 9 PM PDT Thursday. 

* WINDS...N 20 to 25 kt Winds will diminish through Friday.

* WAVES...NW to N 9 to 11 ft at 9 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.

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.

&&

$$
4 follow-up statements
231 
WHUS76 KEKA 310358
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
858 PM PDT Wed May 30 2018

PZZ470-475-311000-
/O.CON.KEKA.GL.W.0021.000000T0000Z-180531T1000Z/
Pt St George to Cape Mendocino 10 to 60 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
858 PM PDT Wed May 30 2018

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

* WINDS...N 20 to 30 kt with gusts to 45 kt. Winds will diminish 
  through Friday. 

* WAVES...N 10 to 15 feet at 10 seconds. Seas will subside 
  during the overnight hours 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.

$$

PZZ450-311200-
/O.CON.KEKA.SC.Y.0055.000000T0000Z-180531T2200Z/
Pt St George to Cape Mendocino out 10 nm-
858 PM PDT Wed May 30 2018

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

* WINDS...N 15 to 25 kt. Winds will diminish through Friday.

* WAVES...NW to N 8 to 12 ft at 9 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.

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.

&&

$$

PZZ455-311200-
/O.CON.KEKA.SC.Y.0055.000000T0000Z-180601T0400Z/
Cape Mendocino to Pt Arena out 10 nm-
858 PM PDT Wed May 30 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT
THURSDAY...

* WINDS...N 20 to 25 kt Winds will diminish through Friday.

* WAVES...NW to N 9 to 11 ft at 9 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.

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.

&&

$$
179 
WHUS76 KEKA 311024
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
324 AM PDT Thu May 31 2018

PZZ470-311830-
/O.EXP.KEKA.GL.W.0021.000000T0000Z-180531T1000Z/
/O.EXA.KEKA.SC.Y.0055.000000T0000Z-180531T2200Z/
Pt St George to Cape Mendocino 10 to 60 nm-
324 AM PDT Thu May 31 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM PDT THIS AFTERNOON...
...GALE WARNING HAS EXPIRED...

The National Weather Service in Eureka has issued a Small Craft
Advisory, which is in effect until 3 PM PDT this afternoon. 

* WINDS...N 15 to 25 kt. Winds will diminish through Friday.

* WAVES...NW to N 5 to 7 ft at 7 seconds.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 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.

&&

$$

PZZ475-311830-
/O.EXP.KEKA.GL.W.0021.000000T0000Z-180531T1000Z/
/O.EXA.KEKA.SC.Y.0055.000000T0000Z-180601T0400Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
324 AM PDT Thu May 31 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 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 9 PM PDT this evening. 

* WINDS...N 15 to 25 kt gusting to 30 kt near Cape Mendocino.
  Winds will diminish tonight into Friday. 

* WAVES...NW to N 6 to 8 ft at 7 seconds.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 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.

&&

$$

PZZ450-311600-
/O.EXT.KEKA.SC.Y.0055.000000T0000Z-180531T1600Z/
Pt St George to Cape Mendocino out 10 nm-
324 AM PDT Thu May 31 2018

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

* WINDS...N 15 to 25 kt. Winds will diminish through Friday.

* WAVES...NW to N 5 to 7 ft at 7 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.

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.

&&

$$

PZZ455-311830-
/O.CON.KEKA.SC.Y.0055.000000T0000Z-180601T0400Z/
Cape Mendocino to Pt Arena out 10 nm-
324 AM PDT Thu May 31 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT THIS
EVENING...

* WINDS...N 15 to 25 kt with gusts to 30 kt near Cape Mendocino.
  Winds will diminish through Friday.

* WAVES...NW to N 6 to 8 ft at 7 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.

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.

&&

$$
745 
WHUS76 KEKA 311546
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
846 AM PDT Thu May 31 2018

PZZ450-311700-
/O.EXP.KEKA.SC.Y.0055.000000T0000Z-180531T1600Z/
Pt St George to Cape Mendocino out 10 nm-
846 AM PDT Thu May 31 2018

...SMALL CRAFT ADVISORY WILL EXPIRE AT 9 AM PDT THIS MORNING...

Winds and seas have dropped below small craft criteria.

$$

PZZ470-312200-
/O.CON.KEKA.SC.Y.0055.000000T0000Z-180531T2200Z/
Pt St George to Cape Mendocino 10 to 60 nm-
846 AM PDT Thu May 31 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT THIS
AFTERNOON...

* WINDS...N 5 to 15 kt. Winds will remain low through Friday.

* WAVES...NW to N 5 to 7 ft at 7 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.

&&

$$

PZZ455-475-010000-
/O.CON.KEKA.SC.Y.0055.000000T0000Z-180601T0400Z/
Cape Mendocino to Pt Arena out 10 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
846 AM PDT Thu May 31 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT THIS
EVENING...

* WINDS...N 15 to 25 kt with gusts to 30 kt near Cape Mendocino.
  Winds will diminish through early Friday morning.

* WAVES...NW to N 6 to 8 ft at 7 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.

&&

$$
498 
WHUS76 KEKA 312132
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
232 PM PDT Thu May 31 2018

PZZ470-312245-
/O.EXP.KEKA.SC.Y.0055.000000T0000Z-180531T2200Z/
Pt St George to Cape Mendocino 10 to 60 nm-
232 PM PDT Thu May 31 2018

...SMALL CRAFT ADVISORY WILL EXPIRE AT 3 PM PDT THIS AFTERNOON...

Winds and seas will continue to diminish tonight.

$$

PZZ455-475-010400-
/O.CON.KEKA.SC.Y.0055.000000T0000Z-180601T0400Z/
Cape Mendocino to Pt Arena out 10 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
232 PM PDT Thu May 31 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT THIS
EVENING...

* WINDS...N 10 to 20 kt with gusts to 30 kt near Cape Mendocino
  this evening. Winds will diminish through early Friday morning.
  

* WAVES...NW to N 5 to 7 ft at 6 seconds diminishing 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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 29, 9:31 PM PDTHazardous Seas WarningEKA17 hr

Nearby

Small Craft Advisories in California, 2018Every small craft advisory in 2018

Sources

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