Alert archive / California / Small Craft Advisories in 2018

Small Craft Advisory 101, NWS Eureka, CA

December 2, 2018

NWS Eureka, CA issued this small craft advisory at Dec 2, 2018, 2:54 PM PST. It took effect at Dec 3, 2018, 9:00 AM PST. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued
Dec 2, 2018, 2:54 PM PST (22:54 UTC)
In effect from
Dec 3, 2018, 9:00 AM PST
Expired
Dec 4, 2018, 12:00 AM PST
In force
15 hr
Issued by
NWS Eureka, CA

The text

As transmitted.

545 
WHUS76 KEKA 022254
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
254 PM PST Sun Dec 2 2018

PZZ475-030700-
/O.EXP.KEKA.SC.Y.0100.000000T0000Z-181202T2300Z/
/O.UPG.KEKA.GL.A.0028.181203T2300Z-181204T1800Z/
/O.NEW.KEKA.GL.W.0035.181204T0800Z-181204T2000Z/
/O.NEW.KEKA.SC.Y.0101.181203T1700Z-181204T0800Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
254 PM PST Sun Dec 2 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM MONDAY TO MIDNIGHT
PST MONDAY NIGHT...
...GALE WARNING IN EFFECT FROM MIDNIGHT MONDAY NIGHT TO NOON 
TUESDAY... 

* WINDS...Winds will become SE and increase to 20 to 30 kt with
  gusts to 40 kt Monday evening.

* WAVES...SE to S building to 8 to 10 ft at 9 seconds Monday
  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.

$$

PZZ450-455-470-030000-
/O.EXP.KEKA.SC.Y.0100.000000T0000Z-181202T2300Z/
Pt St George to Cape Mendocino out 10 nm-
Cape Mendocino to Pt Arena out 10 nm-
Pt St George to Cape Mendocino 10 to 60 nm-
254 PM PST Sun Dec 2 2018

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

Seas will continue to gradually subside late this afternoon
through tonight. 

$$
7 follow-up statements
231 
WHUS76 KEKA 030425
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
825 PM PST Sun Dec 2 2018

PZZ475-031230-
/O.CON.KEKA.SC.Y.0101.181203T1700Z-181204T0800Z/
/O.CON.KEKA.GL.W.0035.181204T0800Z-181204T2000Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
825 PM PST Sun Dec 2 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM MONDAY TO
MIDNIGHT PST MONDAY NIGHT...
...GALE WARNING REMAINS IN EFFECT FROM MIDNIGHT MONDAY NIGHT TO
NOON PST TUESDAY...

* WINDS...Winds will become SE and increase to 20 to 30 kt with 
  gusts to 40 kt Monday evening. 

* WAVES...SE to S building to 8 to 10 ft at 9 seconds Monday 
  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.

$$
185 
WHUS76 KEKA 031055
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
255 AM PST Mon Dec 3 2018

PZZ475-031900-
/O.CON.KEKA.SC.Y.0101.181203T1700Z-181204T0800Z/
/O.EXT.KEKA.GL.W.0035.181204T0800Z-181205T0500Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
255 AM PST Mon Dec 3 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING
TO MIDNIGHT PST TONIGHT...
...GALE WARNING NOW IN EFFECT FROM MIDNIGHT TONIGHT TO 9 PM PST
TUESDAY...

* WINDS...Winds will become SE and increase to 20 to 30 kt with 
  gusts to 40 kt Monday evening. 

* WAVES...SE to S building to 8 to 12 ft at 9 seconds Monday 
  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.

$$

PZZ455-031900-
/O.NEW.KEKA.SC.Y.0102.181204T0800Z-181205T0500Z/
Cape Mendocino to Pt Arena out 10 nm-
255 AM PST Mon Dec 3 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 PM
PST TUESDAY...

The National Weather Service in Eureka has issued a Small Craft
Advisory, which is in effect from midnight tonight to 9 PM PST
Tuesday. 

* WINDS...Winds will become SE and increase to 15 to 25 kt with 
  gusts to 35 kt Monday evening. 

* WAVES...SE to S building to 6 to 10 ft at 7 seconds Monday 
  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.

&&

$$
313 
WHUS76 KEKA 031716
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
916 AM PST Mon Dec 3 2018

PZZ475-040130-
/O.CON.KEKA.SC.Y.0101.000000T0000Z-181204T0800Z/
/O.CON.KEKA.GL.W.0035.181204T0800Z-181205T0500Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
916 AM PST Mon Dec 3 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT
TONIGHT...
...GALE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO 9 PM TUESDAY...

* WINDS...Becoming SE and increasing to 20 to 30 kt with gusts to
  40 kt this evening and continuing through Tuesday. 

* WAVES...SE to S building to 9 to 12 ft at 9 seconds 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.

$$

PZZ455-040130-
/O.CON.KEKA.SC.Y.0102.181204T0800Z-181205T0500Z/
Cape Mendocino to Pt Arena out 10 nm-
916 AM PST Mon Dec 3 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO 9 PM TUESDAY...

* WINDS...Becoming SE and increasing to 15 to 25 kt with
  occasional gusts to 35 kt this evening and continuing through
  Tuesday.

* WAVES...SE to S building to 6 to 9 ft at 7 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.

$$
104 
WHUS76 KEKA 032259
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
259 PM PST Mon Dec 3 2018

PZZ475-040700-
/O.CON.KEKA.SC.Y.0101.000000T0000Z-181204T0800Z/
/O.CON.KEKA.GL.W.0035.181204T0800Z-181205T0500Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
259 PM PST Mon Dec 3 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT
TONIGHT... 
...GALE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO 9 PM TUESDAY...

* WINDS...SE increasing to 20 to 30 kt with gusts to 40 kt this 
  evening and continuing through Tuesday. 

* WAVES...SE to S building to 9 to 12 ft at 9 seconds 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.

$$

PZZ455-040700-
/O.CON.KEKA.SC.Y.0102.181204T0800Z-181205T0500Z/
Cape Mendocino to Pt Arena out 10 nm-
259 PM PST Mon Dec 3 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO 9 PM TUESDAY...

* WINDS...SE increasing to 15 to 25 kt with occasional gusts to 
  35 kt this evening and continuing through Tuesday. 

* WAVES...SE to S building to 6 to 9 ft at 7 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.

$$
113 
WHUS76 KEKA 040645
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
1045 PM PST Mon Dec 3 2018

PZZ475-041445-
/O.CON.KEKA.SC.Y.0101.000000T0000Z-181204T0800Z/
/O.CON.KEKA.GL.W.0035.181204T0800Z-181205T0500Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
1045 PM PST Mon Dec 3 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT PST
TONIGHT...
...GALE WARNING REMAINS IN EFFECT UNTIL 9 PM PST TUESDAY...

* WINDS...SE increasing to 20 to 30 kt with gusts to 40 kt this 
  evening and continuing through Tuesday. 

* WAVES...SE to S building to 9 to 12 ft at 9 seconds 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.

$$

PZZ455-041445-
/O.CON.KEKA.SC.Y.0102.181204T0800Z-181205T0500Z/
Cape Mendocino to Pt Arena out 10 nm-
1045 PM PST Mon Dec 3 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PST
TUESDAY...

* WINDS...SE increasing to 15 to 25 kt with occasional gusts to 
  35 kt this evening and continuing through Tuesday. 

* WAVES...SE to S building to 6 to 9 ft at 7 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.

$$
556 
WHUS76 KEKA 040802
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
1202 AM PST Tue Dec 4 2018

PZZ475-041615-
/O.EXP.KEKA.SC.Y.0101.000000T0000Z-181204T0800Z/
/O.CON.KEKA.GL.W.0035.000000T0000Z-181205T0500Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
1202 AM PST Tue Dec 4 2018

...GALE WARNING REMAINS IN EFFECT UNTIL 9 PM PST THIS EVENING...
...SMALL CRAFT ADVISORY HAS EXPIRED...

* WINDS...SE increasing to 20 to 30 kt with gusts to 40 kt this 
  evening and continuing through Tuesday. 

* WAVES...SE to S building to 9 to 12 ft at 9 seconds tonight.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

PZZ455-041615-
/O.CON.KEKA.SC.Y.0102.000000T0000Z-181205T0500Z/
Cape Mendocino to Pt Arena out 10 nm-
1202 AM PST Tue Dec 4 2018

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

* WINDS...SE increasing to 15 to 25 kt with occasional gusts to 
  35 kt this evening and continuing through Tuesday. 

* WAVES...SE to S building to 6 to 9 ft at 7 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.

$$
652 
WHUS76 KEKA 040806 CCA
MWWEKA

Urgent - Marine Weather Message...CORRECTED
National Weather Service Eureka CA
1206 AM PST Tue Dec 4 2018

PZZ475-041615-
/O.EXP.KEKA.SC.Y.0101.000000T0000Z-181204T0800Z/
/O.COR.KEKA.GL.W.0035.000000T0000Z-181205T0500Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
1206 AM PST Tue Dec 4 2018

...GALE WARNING REMAINS IN EFFECT UNTIL 9 PM PST THIS EVENING...
...SMALL CRAFT ADVISORY HAS EXPIRED...

* WINDS...SE increasing to 20 to 30 kt with gusts to 40 kt this 
  evening and continuing through Tuesday. 

* WAVES...SE to S building to 9 to 12 ft at 9 seconds 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.

&&

$$

PZZ455-041615-
/O.CON.KEKA.SC.Y.0102.000000T0000Z-181205T0500Z/
Cape Mendocino to Pt Arena out 10 nm-
1206 AM PST Tue Dec 4 2018

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

* WINDS...SE increasing to 15 to 25 kt with occasional gusts to 
  35 kt this evening and continuing through Tuesday. 

* WAVES...SE to S building to 6 to 9 ft at 7 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.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 2, 3:05 AM PSTGale WatchEKA12 hr
Dec 2, 4:30 AM PSTFreeze WatchEKADel Norte, Humboldt, Mendocino7 hr
Dec 2, 11:42 AM PSTFrost AdvisoryEKADel Norte10 hr
Dec 2, 11:42 AM PSTFreeze WarningEKADel Norte, Humboldt, Mendocino21 hr
Dec 2, 2:54 PM PSTGale WarningEKA54 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.