Alert archive / California / Small Craft Advisories in 2018

Small Craft Advisory 39, NWS Eureka, CA

April 18, 2018

NWS Eureka, CA issued this small craft advisory at Apr 18, 2018, 3:16 AM PDT. It took effect at Apr 19, 2018, 3:00 AM PDT. It was in force for 60 hr.

The area

The counties it named.

The facts

Issued
Apr 18, 2018, 3:16 AM PDT (10:16 UTC)
In effect from
Apr 19, 2018, 3:00 AM PDT
Expired
Apr 21, 2018, 3:00 PM PDT
In force
60 hr
Issued by
NWS Eureka, CA

The text

As transmitted.

865 
WHUS76 KEKA 181016
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
316 AM PDT Wed Apr 18 2018

PZZ470-181830-
/O.EXP.KEKA.SC.Y.0037.000000T0000Z-180418T1000Z/
/O.NEW.KEKA.SC.Y.0039.180419T1300Z-180420T1300Z/
Pt St George to Cape Mendocino 10 to 60 nm-
316 AM PDT Wed Apr 18 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM THURSDAY TO 6 AM 
FRIDAY...

* WINDS...Becoming N and increasing to 15 to 25 kt with gusts to
  30 kt by Thursday morning and continuing through Thursday night.

* SEAS...Combined seas building to 7 to 9 ft by late Wednesday
  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.

$$

PZZ450-181130-
/O.EXP.KEKA.SC.Y.0037.000000T0000Z-180418T1000Z/
Pt St George to Cape Mendocino out 10 nm-
316 AM PDT Wed Apr 18 2018

...SMALL CRAFT ADVISORY HAS EXPIRED...

$$

PZZ475-181830-
/O.NEW.KEKA.SC.Y.0039.180419T1300Z-180421T0700Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
316 AM PDT Wed Apr 18 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM THURSDAY TO MIDNIGHT
FRIDAY NIGHT...

* WINDS...Becoming N and increasing to 15 to 25 kt with gusts to
  30 kt by Thursday morning and continuing through the remainder
  of the week and possibly into the weekend.

* SEAS...Combined seas building to 7 to 9 ft by Thursday 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.

$$
14 follow-up statements
134 
WHUS76 KEKA 181527
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
827 AM PDT Wed Apr 18 2018

PZZ470-182330-
/O.CON.KEKA.SC.Y.0039.180419T1300Z-180420T1300Z/
Pt St George to Cape Mendocino 10 to 60 nm-
827 AM PDT Wed Apr 18 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 AM THURSDAY TO
6 AM PDT FRIDAY...

* WINDS...Becoming N and increasing to 15 to 25 kt with gusts to 
  30 kt by Thursday morning and continuing through Thursday 
  night. 

* SEAS...Combined seas building to 7 to 9 ft by late Wednesday 
  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.

$$

PZZ475-182330-
/O.CON.KEKA.SC.Y.0039.180419T1300Z-180421T0700Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
827 AM PDT Wed Apr 18 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 AM THURSDAY TO
MIDNIGHT PDT FRIDAY NIGHT...

* WINDS...Becoming N and increasing to 15 to 25 kt with gusts to
  30 kt by Thursday morning, and continuing through the remainder
  of the week, and possibly into the weekend. 

* SEAS...Combined seas building to 7 to 9 ft by Thursday 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.

$$
006 
WHUS76 KEKA 182127
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
227 PM PDT Wed Apr 18 2018

PZZ450-455-190530-
/O.EXB.KEKA.SC.Y.0039.180419T1900Z-180420T0600Z/
Pt St George to Cape Mendocino out 10 nm-
Cape Mendocino to Pt Arena out 10 nm-
227 PM PDT Wed Apr 18 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM NOON TO 11 PM PDT
THURSDAY...

The National Weather Service in Eureka has issued a Small Craft
Advisory, which is in effect from noon to 11 PM PDT Thursday. 

* WINDS...North 15 to 20 kt with gusts to 30 kt. 

* SEAS...Combined seas 6 to 8 feet.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
are expected to produce hazardous wave conditions to small craft.
Inexperienced mariners, especially those operating smaller
vessels should avoid navigating in these conditions.

$$

PZZ470-190530-
/O.EXT.KEKA.SC.Y.0039.180419T0900Z-180420T1300Z/
Pt St George to Cape Mendocino 10 to 60 nm-
227 PM PDT Wed Apr 18 2018

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 2 AM THURSDAY TO 6 AM
PDT FRIDAY...

* WINDS...Becoming north and increasing to 15 to 25 kt with gusts
  to 30 kt by Thursday morning and continuing through Thursday 
  night.
  

* SEAS...Combined seas building to 7 to 9 ft by late Wednesday 
  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.

$$

PZZ475-190530-
/O.EXT.KEKA.SC.Y.0039.180419T0900Z-180421T0700Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
227 PM PDT Wed Apr 18 2018

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 2 AM THURSDAY TO
MIDNIGHT PDT FRIDAY NIGHT...

* WINDS...Becoming north and increasing to 15 to 25 kt with gusts
  to 30 kt by Thursday morning. North winds strengthening to gale
  force during the weekend.

* SEAS...Combined seas building to 7 to 10 ft by Thursday 
  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.

$$
688 
WHUS76 KEKA 190359
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
859 PM PDT Wed Apr 18 2018

PZZ470-191200-
/O.EXT.KEKA.SC.Y.0039.180419T1000Z-180420T1300Z/
Pt St George to Cape Mendocino 10 to 60 nm-
859 PM PDT Wed Apr 18 2018

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 3 AM THURSDAY TO 6 AM
PDT FRIDAY...

* WINDS...Becoming north and increasing to 15 to 25 kt with gusts
  to 30 kt by Thursday morning and continuing into Thursday 
  night.
 
* SEAS...Combined seas building to 7 to 9 ft overnight.
  

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.

$$

PZZ475-191200-
/O.EXT.KEKA.SC.Y.0039.180419T1000Z-180421T0700Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
859 PM PDT Wed Apr 18 2018

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 3 AM THURSDAY TO
MIDNIGHT PDT FRIDAY NIGHT...

* WINDS...Becoming north and increasing to 15 to 25 kt with 
  gusts to 30 kt by Thursday morning. North winds strengthening 
  to gale force during the weekend. 

* SEAS...Combined seas building to 7 to 10 ft by Thursday 
  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.

$$

PZZ450-455-191200-
/O.CON.KEKA.SC.Y.0039.180419T1900Z-180420T0600Z/
Pt St George to Cape Mendocino out 10 nm-
Cape Mendocino to Pt Arena out 10 nm-
859 PM PDT Wed Apr 18 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM NOON TO 11 PM PDT
THURSDAY...

* WINDS...North 15 to 20 kt with gusts to 30 kt.

* SEAS...Combined seas building to 6 to 8 feet.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
are expected to produce hazardous wave conditions to small craft.
Inexperienced mariners, especially those operating smaller
vessels should avoid navigating in these conditions.

$$
883 
WHUS76 KEKA 191019
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
319 AM PDT Thu Apr 19 2018

PZZ450-455-191830-
/O.CON.KEKA.SC.Y.0039.180419T1900Z-180420T0600Z/
Pt St George to Cape Mendocino out 10 nm-
Cape Mendocino to Pt Arena out 10 nm-
319 AM PDT Thu Apr 19 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO
11 PM THIS EVENING...

* WINDS...N increasing to 15 to 25 kt with gusts to 30 kt.

* SEAS...Combined seas building to 6 to 8 ft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
are expected to produce hazardous wave conditions to small craft.
Inexperienced mariners, especially those operating smaller
vessels should avoid navigating in these conditions.

$$

PZZ470-191830-
/O.CON.KEKA.SC.Y.0039.000000T0000Z-180420T1300Z/
Pt St George to Cape Mendocino 10 to 60 nm-
319 AM PDT Thu Apr 19 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM FRIDAY...

* WINDS...N 15 to 25 kt with gusts to 30 kt through early Friday
  morning. 

* SEAS...Combined seas building to 7 to 9 ft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
are expected to produce hazardous wave conditions to small craft.
Inexperienced mariners, especially those operating smaller
vessels should avoid navigating in these conditions.

$$

PZZ475-191830-
/O.CON.KEKA.SC.Y.0039.000000T0000Z-180421T0700Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
319 AM PDT Thu Apr 19 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT FRIDAY 
NIGHT...

* WINDS...N 15 to 25 kt with gusts to 30 kt. North winds 
  strengthening to gale force during the weekend. 

* SEAS...Combined seas building to 7 to 10 ft. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
are expected to produce hazardous wave conditions to small craft.
Inexperienced mariners, especially those operating smaller
vessels should avoid navigating in these conditions.

$$
690 
WHUS76 KEKA 191531
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
831 AM PDT Thu Apr 19 2018

PZZ450-455-192345-
/O.CON.KEKA.SC.Y.0039.180419T1900Z-180420T0600Z/
Pt St George to Cape Mendocino out 10 nm-
Cape Mendocino to Pt Arena out 10 nm-
831 AM PDT Thu Apr 19 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO
11 PM PDT THIS EVENING...

* WINDS...N increasing to 15 to 25 kt with gusts to 30 kt.

* SEAS...Combined seas building to 6 to 8 ft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
are expected to produce hazardous wave conditions to small craft.
Inexperienced mariners, especially those operating smaller
vessels should avoid navigating in these conditions.

$$

PZZ470-192345-
/O.CON.KEKA.SC.Y.0039.000000T0000Z-180420T1300Z/
Pt St George to Cape Mendocino 10 to 60 nm-
831 AM PDT Thu Apr 19 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM PDT FRIDAY...

* WINDS...N 15 to 25 kt with gusts to 30 kt through early Friday 
  morning. 

* SEAS...Combined seas building to 7 to 9 ft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
are expected to produce hazardous wave conditions to small craft.
Inexperienced mariners, especially those operating smaller
vessels should avoid navigating in these conditions.

$$

PZZ475-192345-
/O.CON.KEKA.SC.Y.0039.000000T0000Z-180421T0700Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
831 AM PDT Thu Apr 19 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT PDT
FRIDAY NIGHT...

* WINDS...N 15 to 25 kt with gusts to 30 kt. North winds 
  strengthening to gale force during the weekend. 

* SEAS...Combined seas building to 7 to 10 ft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
are expected to produce hazardous wave conditions to small craft.
Inexperienced mariners, especially those operating smaller
vessels should avoid navigating in these conditions.

$$
744 
WHUS76 KEKA 192145
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
245 PM PDT Thu Apr 19 2018

PZZ450-455-200545-
/O.CON.KEKA.SC.Y.0039.000000T0000Z-180420T0600Z/
Pt St George to Cape Mendocino out 10 nm-
Cape Mendocino to Pt Arena out 10 nm-
245 PM PDT Thu Apr 19 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS
EVENING...

* WINDS...N 15 to 25 kt with gusts to 30 kt.

* SEAS...Combined seas of 6 to 8 ft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
are expected to produce hazardous wave conditions to small craft.
Inexperienced mariners, especially those operating smaller
vessels should avoid navigating in these conditions.

$$

PZZ470-200545-
/O.CON.KEKA.SC.Y.0039.000000T0000Z-180420T1300Z/
Pt St George to Cape Mendocino 10 to 60 nm-
245 PM PDT Thu Apr 19 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM PDT FRIDAY...

* WINDS...N 15 to 25 kt with gusts to 30 kt through early Friday 
  morning. 

* SEAS...Combined seas of 7 to 9 ft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
are expected to produce hazardous wave conditions to small craft.
Inexperienced mariners, especially those operating smaller
vessels should avoid navigating in these conditions.

$$

PZZ475-200545-
/O.CON.KEKA.SC.Y.0039.000000T0000Z-180421T0700Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
245 PM PDT Thu Apr 19 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT PDT
FRIDAY NIGHT...

* WINDS...N 15 to 25 kt with gusts to 30 kt. North winds 
  strengthening to gale force during the weekend. 

* SEAS...Combined seas of 7 to 10 ft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
are expected to produce hazardous wave conditions to small craft.
Inexperienced mariners, especially those operating smaller
vessels should avoid navigating in these conditions.

$$
512 
WHUS76 KEKA 200355
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
855 PM PDT Thu Apr 19 2018

PZZ450-455-201000-
/O.EXT.KEKA.SC.Y.0039.000000T0000Z-180420T1000Z/
Pt St George to Cape Mendocino out 10 nm-
Cape Mendocino to Pt Arena out 10 nm-
855 PM PDT Thu Apr 19 2018

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 AM PDT FRIDAY...

* WINDS...N 15 to 25 kt with gusts to 30 kt.

* SEAS...Combined seas of 6 to 8 ft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
are expected to produce hazardous wave conditions to small craft.
Inexperienced mariners, especially those operating smaller
vessels should avoid navigating in these conditions.

$$

PZZ470-201200-
/O.CON.KEKA.SC.Y.0039.000000T0000Z-180420T1300Z/
Pt St George to Cape Mendocino 10 to 60 nm-
855 PM PDT Thu Apr 19 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM PDT FRIDAY...

* WINDS...N 15 to 25 kt with gusts to 30 kt through early Friday 
  morning. 

* SEAS...Combined seas of 7 to 9 ft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
are expected to produce hazardous wave conditions to small craft.
Inexperienced mariners, especially those operating smaller
vessels should avoid navigating in these conditions.

$$

PZZ475-201200-
/O.CON.KEKA.SC.Y.0039.000000T0000Z-180421T0700Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
855 PM PDT Thu Apr 19 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT PDT
FRIDAY NIGHT...

* WINDS...N 15 to 25 kt with gusts to 30 kt. North winds 
  strengthening to gale force during the weekend. 

* SEAS...Combined seas of 7 to 10 ft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
are expected to produce hazardous wave conditions to small craft.
Inexperienced mariners, especially those operating smaller
vessels should avoid navigating in these conditions.

$$
005 
WHUS76 KEKA 201035
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
335 AM PDT Fri Apr 20 2018

PZZ475-201845-
/O.EXT.KEKA.SC.Y.0039.000000T0000Z-180421T2200Z/
/O.NEW.KEKA.GL.A.0015.180421T2200Z-180423T0700Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
335 AM PDT Fri Apr 20 2018

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 PM SATURDAY... 
...GALE WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY 
EVENING...

* WINDS...NW to N 15 to 25 kt with gusts to 30 kt. N winds 
  strengthening to gale force during the weekend.

* SEAS...Combined seas of 6 to 8 ft today building to 8 to 11 ft
  tonight. Higher and steeper seas expected by late Saturday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
are expected to produce hazardous wave conditions to small craft.
Inexperienced mariners, especially those operating smaller
vessels should avoid navigating in these conditions.

A Gale Watch is issued when the risk of gale force winds of 34 to
47 knots has significantly increased, but the specific timing
and/or location is still uncertain. It is intended to provide
additional lead time for mariners who may wish to consider
altering their plans.

$$

PZZ470-201845-
/O.CON.KEKA.SC.Y.0039.000000T0000Z-180420T1300Z/
/O.NEW.KEKA.GL.A.0015.180421T2200Z-180423T0700Z/
Pt St George to Cape Mendocino 10 to 60 nm-
335 AM PDT Fri Apr 20 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM EARLY THIS 
MORNING... 
...GALE WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH SUNDAY 
EVENING...

* WINDS...NW 10 to 20 kt through early this morning. N winds
  strengthening to gale force during the weekend. 

* SEAS...Combined seas of 5 to 7 ft. Higher and steeper seas
  expected by late Saturday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
are expected to produce hazardous wave conditions to small craft.
Inexperienced mariners, especially those operating smaller
vessels should avoid navigating in these conditions.

A Gale Watch is issued when the risk of gale force winds of 34 to
47 knots has significantly increased, but the specific timing
and/or location is still uncertain. It is intended to provide
additional lead time for mariners who may wish to consider
altering their plans.

$$
851 
WHUS76 KEKA 201556
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
856 AM PDT Fri Apr 20 2018

PZZ475-210000-
/O.CON.KEKA.SC.Y.0039.000000T0000Z-180421T2200Z/
/O.CON.KEKA.GL.A.0015.180421T2200Z-180423T0700Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
856 AM PDT Fri Apr 20 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT
SATURDAY...
...GALE WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SUNDAY EVENING...

* WINDS...NW to N 15 to 25 kt with gusts to 30 kt. N winds 
  strengthening to gale force during the weekend. 

* SEAS...Combined seas of 6 to 8 ft today building to 8 to 11 ft 
  tonight. Higher and steeper seas expected by late Saturday. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
are expected to produce hazardous wave conditions to small craft.
Inexperienced mariners, especially those operating smaller
vessels should avoid navigating in these conditions.

A Gale Watch is issued when the risk of gale force winds of 34 to
47 knots has significantly increased, but the specific timing
and/or location is still uncertain. It is intended to provide
additional lead time for mariners who may wish to consider
altering their plans.

$$

PZZ470-210000-
/O.CON.KEKA.GL.A.0015.180421T2200Z-180423T0700Z/
Pt St George to Cape Mendocino 10 to 60 nm-
856 AM PDT Fri Apr 20 2018

...GALE WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SUNDAY EVENING...

* WINDS...NW 10 to 20 kt through early this morning. N winds 
  strengthening to gale force during the weekend. 

* SEAS...Combined seas of 5 to 7 ft. Higher and steeper seas 
  expected by late Saturday. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
are expected to produce hazardous wave conditions to small craft.
Inexperienced mariners, especially those operating smaller
vessels should avoid navigating in these conditions.

A Gale Watch is issued when the risk of gale force winds of 34 to
47 knots has significantly increased, but the specific timing
and/or location is still uncertain. It is intended to provide
additional lead time for mariners who may wish to consider
altering their plans.

$$
081 
WHUS76 KEKA 202107
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
207 PM PDT Fri Apr 20 2018

PZZ450-210515-
/O.NEW.KEKA.SC.Y.0040.180421T1800Z-180423T0400Z/
Pt St George to Cape Mendocino out 10 nm-
207 PM PDT Fri Apr 20 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 11 AM SATURDAY TO 9 PM PDT
SUNDAY...

The National Weather Service in Eureka has issued a Small Craft
Advisory, which is in effect from 11 AM Saturday to 9 PM PDT
Sunday. 

* WINDS...N 10 to 15 kt increasing to 15 to 25 kt. Isolated gusts
  up to 35 kt around Pt St George and Cape Mendocino. 

* WAVES/SEAS...Combined seas will build to 8 to 12 feet by Sunday.
 

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.

&&

$$

PZZ455-210515-
/O.NEW.KEKA.SC.Y.0040.180421T1500Z-180423T0400Z/
Cape Mendocino to Pt Arena out 10 nm-
207 PM PDT Fri Apr 20 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM SATURDAY TO 9 PM PDT
SUNDAY...

The National Weather Service in Eureka has issued a Small Craft
Advisory, which is in effect from 8 AM Saturday to 9 PM PDT
Sunday. 

* WINDS...N 15 to 25 kt gusting up to 35 kt. Strongest gusts will
  be around Cape Mendocino.

* WAVES/SEAS...Combined seas will build to 8 to 12 feet by Sunday.

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.

&&

$$

PZZ475-210515-
/O.CON.KEKA.SC.Y.0039.000000T0000Z-180421T2200Z/
/O.CON.KEKA.GL.A.0015.180421T2200Z-180423T0700Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
207 PM PDT Fri Apr 20 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT
SATURDAY...
...GALE WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SUNDAY EVENING...

* WINDS...NW to N 15 to 25 kt with gusts to 30 kt. N winds 
  strengthening to gale force during the weekend. 

* SEAS...Combined seas of 5 to 7 ft building to 8 to 11 ft 
  tonight. Higher and steeper seas expected by late Saturday. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
are expected to produce hazardous wave conditions to small craft.
Inexperienced mariners, especially those operating smaller
vessels should avoid navigating in these conditions.

A Gale Watch is issued when the risk of gale force winds of 34 to
47 knots has significantly increased, but the specific timing
and/or location is still uncertain. It is intended to provide
additional lead time for mariners who may wish to consider
altering their plans.

$$

PZZ470-210515-
/O.CON.KEKA.GL.A.0015.180421T2200Z-180423T0700Z/
Pt St George to Cape Mendocino 10 to 60 nm-
207 PM PDT Fri Apr 20 2018

...GALE WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SUNDAY EVENING...

* WINDS...NW 10 to 20 kt. N winds strengthening to gale force 
  during the weekend. 

* SEAS...Combined seas of 5 to 7 ft. Higher and steeper seas 
  expected by late Saturday. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
are expected to produce hazardous wave conditions to small craft.
Inexperienced mariners, especially those operating smaller
vessels should avoid navigating in these conditions.

A Gale Watch is issued when the risk of gale force winds of 34 to
47 knots has significantly increased, but the specific timing
and/or location is still uncertain. It is intended to provide
additional lead time for mariners who may wish to consider
altering their plans.

$$
957 
WHUS76 KEKA 210359
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
859 PM PDT Fri Apr 20 2018

PZZ475-211200-
/O.CON.KEKA.SC.Y.0039.000000T0000Z-180421T2200Z/
/O.CON.KEKA.GL.A.0015.180421T2200Z-180423T0700Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
859 PM PDT Fri Apr 20 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT
SATURDAY...
...GALE WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SUNDAY EVENING...

* WINDS...NW to N 15 to 25 kt with gusts to 30 kt. N winds 
  strengthening to gale force during the weekend. 

* SEAS...Combined seas of 5 to 7 ft building to 8 to 11 ft 
  tonight. Higher and steeper seas expected by late Saturday. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
are expected to produce hazardous wave conditions to small craft.
Inexperienced mariners, especially those operating smaller
vessels should avoid navigating in these conditions.

A Gale Watch is issued when the risk of gale force winds of 34 to
47 knots has significantly increased, but the specific timing
and/or location is still uncertain. It is intended to provide
additional lead time for mariners who may wish to consider
altering their plans.

$$

PZZ450-211200-
/O.CON.KEKA.SC.Y.0040.180421T1800Z-180423T0400Z/
Pt St George to Cape Mendocino out 10 nm-
859 PM PDT Fri Apr 20 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM SATURDAY TO
9 PM PDT SUNDAY...

* WINDS...N 10 to 20 kt increasing to 15 to 25 kt. Isolated gusts
  up to 35 kt around Pt St George and Cape Mendocino. 

* WAVES/SEAS...Combined seas will build to 8 to 12 feet by 
  Sunday.

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.

&&

$$

PZZ455-211200-
/O.CON.KEKA.SC.Y.0040.180421T1500Z-180423T0400Z/
Cape Mendocino to Pt Arena out 10 nm-
859 PM PDT Fri Apr 20 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM SATURDAY TO
9 PM PDT SUNDAY...

* WINDS...N 15 to 25 kt gusting up to 35 kt. Strongest gusts 
  will be around Cape Mendocino. 

* WAVES/SEAS...Combined seas will build to 8 to 12 feet by 
  Sunday.

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.

&&

$$

PZZ470-211200-
/O.CON.KEKA.GL.A.0015.180421T2200Z-180423T0700Z/
Pt St George to Cape Mendocino 10 to 60 nm-
859 PM PDT Fri Apr 20 2018

...GALE WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON THROUGH
SUNDAY EVENING...

* WINDS...NW 10 to 20 kt. N winds strengthening to gale force 
  during the weekend. 

* SEAS...Combined seas of 7 to 9 ft tonight. Steepening seas
  building to 13 to 15 ft by Saturday 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.

A Gale Watch is issued when the risk of gale force winds of 34 to
47 knots has significantly increased, but the specific timing
and/or location is still uncertain. It is intended to provide
additional lead time for mariners who may wish to consider
altering their plans.

$$
281 
WHUS76 KEKA 211023
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
323 AM PDT Sat Apr 21 2018

PZZ470-211830-
/O.NEW.KEKA.SC.Y.0041.180421T1023Z-180421T2200Z/
/O.UPG.KEKA.GL.A.0015.180421T2200Z-180423T0700Z/
/O.NEW.KEKA.GL.W.0018.180421T2200Z-180423T0700Z/
Pt St George to Cape Mendocino 10 to 60 nm-
323 AM PDT Sat Apr 21 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM THIS AFTERNOON... 
...GALE WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO MIDNIGHT
SUNDAY NIGHT...

* WINDS...N increasing to 20 to 30 kt with gusts to 40 kt by late
  today.

* SEAS...Steepening seas building to 13 to 15 ft by 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 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.

$$

PZZ475-211830-
/O.CON.KEKA.SC.Y.0039.000000T0000Z-180421T2200Z/
/O.UPG.KEKA.GL.A.0015.180421T2200Z-180423T0700Z/
/O.NEW.KEKA.GL.W.0018.180421T2200Z-180423T0700Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
323 AM PDT Sat Apr 21 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM THIS 
AFTERNOON...
...GALE WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO
MIDNIGHT SUNDAY NIGHT...

* WINDS...N increasing to 20 to 30 kt by late today.

* SEAS...Steepening seas building to 12 to 14 ft by 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 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.

$$

PZZ450-211830-
/O.CON.KEKA.SC.Y.0040.180421T1800Z-180423T0400Z/
Pt St George to Cape Mendocino out 10 nm-
323 AM PDT Sat Apr 21 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING
TO 9 PM SUNDAY...

* WINDS...N increasing to 15 to 25 kt. Isolated gusts up to 35 kt
  around Point Saint George and Cape Mendocino. 

* SEAS...Combined seas will build to 8 to 11 feet by Sunday. 

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.

$$

PZZ455-211830-
/O.CON.KEKA.SC.Y.0040.180421T1500Z-180423T0400Z/
Cape Mendocino to Pt Arena out 10 nm-
323 AM PDT Sat Apr 21 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING
TO 9 PM SUNDAY...

* WINDS...N 15 to 25 kt with occasional gusts to 35 kt. Strongest
  gusts will be around Cape Mendocino. 

* SEAS...Combined seas will build to 8 to 11 feet by Sunday.
 
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.

$$
358 
WHUS76 KEKA 211554
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
854 AM PDT Sat Apr 21 2018

PZZ470-220000-
/O.CON.KEKA.SC.Y.0041.000000T0000Z-180421T2200Z/
/O.CON.KEKA.GL.W.0018.180421T2200Z-180423T0700Z/
Pt St George to Cape Mendocino 10 to 60 nm-
854 AM PDT Sat Apr 21 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT THIS
AFTERNOON...
...GALE WARNING REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO
MIDNIGHT PDT SUNDAY NIGHT...

* WINDS...N increasing to 20 to 30 kt with gusts to 40 kt by 
  late today. 

* SEAS...Steepening seas building to 13 to 15 ft by 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 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.

$$

PZZ475-220000-
/O.CON.KEKA.SC.Y.0039.000000T0000Z-180421T2200Z/
/O.CON.KEKA.GL.W.0018.180421T2200Z-180423T0700Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
854 AM PDT Sat Apr 21 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT THIS
AFTERNOON...
...GALE WARNING REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO
MIDNIGHT PDT SUNDAY NIGHT...

* WINDS...N increasing to 20 to 30 kt by late today.

* SEAS...Steepening seas building to 12 to 14 ft by 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 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.

$$

PZZ450-220000-
/O.CON.KEKA.SC.Y.0040.180421T1800Z-180423T0400Z/
Pt St George to Cape Mendocino out 10 nm-
854 AM PDT Sat Apr 21 2018

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

* WINDS...N increasing to 15 to 25 kt. Isolated gusts up to 35 
  kt around Point Saint George and Cape Mendocino. 

* SEAS...Combined seas will build to 8 to 11 feet by Sunday.

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.

$$

PZZ455-220000-
/O.CON.KEKA.SC.Y.0040.000000T0000Z-180423T0400Z/
Cape Mendocino to Pt Arena out 10 nm-
854 AM PDT Sat Apr 21 2018

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

* WINDS...N 15 to 25 kt with occasional gusts to 35 kt. 
  Strongest gusts will be around Cape Mendocino. 

* SEAS...Combined seas will build to 8 to 11 feet by Sunday.

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.

$$
959 
WHUS76 KEKA 212134
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
234 PM PDT Sat Apr 21 2018

PZZ470-220545-
/O.EXP.KEKA.SC.Y.0041.000000T0000Z-180421T2200Z/
/O.CON.KEKA.GL.W.0018.180421T2200Z-180423T0700Z/
Pt St George to Cape Mendocino 10 to 60 nm-
234 PM PDT Sat Apr 21 2018

...GALE WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PDT SUNDAY
NIGHT...
...SMALL CRAFT ADVISORY WILL EXPIRE AT 3 PM PDT THIS AFTERNOON...

* WINDS...N 20 to 30 kt with gusts to 40 kt starting this evening.

* SEAS...Steepening seas building to 13 to 15 ft by 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.

&&

$$

PZZ475-220545-
/O.EXP.KEKA.SC.Y.0039.000000T0000Z-180421T2200Z/
/O.CON.KEKA.GL.W.0018.180421T2200Z-180423T0700Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
234 PM PDT Sat Apr 21 2018

...GALE WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PDT SUNDAY
NIGHT...
...SMALL CRAFT ADVISORY WILL EXPIRE AT 3 PM PDT THIS AFTERNOON...

* WINDS...N to 20 to 30 kt with gusts to 35 kt.

* SEAS...Steepening seas building to 12 to 14 ft by 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.

&&

$$

PZZ450-220545-
/O.EXT.KEKA.SC.Y.0040.000000T0000Z-180423T0700Z/
Pt St George to Cape Mendocino out 10 nm-
234 PM PDT Sat Apr 21 2018

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL MIDNIGHT PDT SUNDAY
NIGHT...

* WINDS...N 15 to 25 kt. Isolated gusts up to 35 kt around Point 
  Saint George and Cape Mendocino. 

* SEAS...Combined seas will build to 8 to 11 feet by Sunday.

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.

$$

PZZ455-220545-
/O.EXT.KEKA.SC.Y.0040.000000T0000Z-180423T0700Z/
Cape Mendocino to Pt Arena out 10 nm-
234 PM PDT Sat Apr 21 2018

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL MIDNIGHT PDT SUNDAY
NIGHT...

* WINDS...N 15 to 25 kt with occasional gusts to 35 kt. 
  Strongest gusts will be around Cape Mendocino. 

* SEAS...Combined seas will build to 8 to 11 feet by Sunday.

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
Apr 18, 3:26 AM PDTFrost AdvisoryEKADel Norte, Humboldt, Mendocino30 hr
Apr 18, 3:26 AM PDTFreeze WarningEKAMendocino, Trinity30 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.