Alert archive / California / Small Craft Advisories in 2018

Small Craft Advisory 48, NWS Eureka, CA

May 9, 2018

NWS Eureka, CA issued this small craft advisory at May 9, 2018, 3:06 AM PDT. It took effect at May 10, 2018, 1:00 AM PDT. It was in force for 19 hr.

The area

The counties it named.

The facts

Issued
May 9, 2018, 3:06 AM PDT (10:06 UTC)
In effect from
May 10, 2018, 1:00 AM PDT
Expired
May 10, 2018, 8:00 PM PDT
In force
19 hr
Issued by
NWS Eureka, CA

The text

As transmitted.

643 
WHUS76 KEKA 091006
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
306 AM PDT Wed May 9 2018

PZZ455-475-091815-
/O.UPG.KEKA.GL.A.0017.180510T1800Z-180512T1200Z/
/O.NEW.KEKA.GL.W.0020.180510T2000Z-180512T1200Z/
/O.NEW.KEKA.SC.Y.0048.180510T0800Z-180510T2000Z/
Cape Mendocino to Pt Arena out 10 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
306 AM PDT Wed May 9 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM TO 1 PM PDT
THURSDAY...
...GALE WARNING IN EFFECT FROM 1 PM THURSDAY TO 5 AM PDT
SATURDAY...

The National Weather Service in Eureka has issued a Gale Warning,
which is in effect from 1 PM Thursday to 5 AM PDT Saturday. A
Small Craft Advisory has also been issued. This Small Craft
Advisory is in effect from 1 AM to 1 PM PDT Thursday. The Gale
Watch is no longer in effect. 

* WINDS...Increasing north winds on Thursday with northerly 25 to
  35 kt expected on Friday. Gusts to 45 kt possible, especially
  across the outer waters and near Cape Mendocino. Winds will
  diminish late Friday night.

* WAVES...Steep, building to 12 to 15 feet nearshore and 15 to 18
  feet across the outer waters by Friday. Winds will diminish 
  late Friday 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.

&&

$$

PZZ450-091815-
/O.NEW.KEKA.SC.Y.0048.180510T1400Z-180511T1900Z/
/O.EXT.KEKA.GL.A.0017.180511T1900Z-180512T1200Z/
Pt St George to Cape Mendocino out 10 nm-
306 AM PDT Wed May 9 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM THURSDAY TO NOON PDT
FRIDAY...
...GALE WATCH NOW IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE
FRIDAY NIGHT...

The National Weather Service in Eureka has issued a Small Craft
Advisory, which is in effect from 7 AM Thursday to noon PDT
Friday. 

* WINDS...Increasing north winds on Thursday with northerly 25 to
  30 kt expected on Friday. Gusts to 40 kt possible, especially
  near Pt St George.

* WAVES...Steep, building to 10 to 14 feet on Friday. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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.

&&

$$

PZZ470-091815-
/O.NEW.KEKA.SC.Y.0048.180510T1400Z-180511T0900Z/
/O.EXT.KEKA.GL.A.0017.180511T0900Z-180513T0400Z/
Pt St George to Cape Mendocino 10 to 60 nm-
306 AM PDT Wed May 9 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM THURSDAY TO 2 AM PDT
FRIDAY...
...GALE WATCH NOW IN EFFECT FROM LATE THURSDAY NIGHT THROUGH
SATURDAY EVENING...

The National Weather Service in Eureka has issued a Small Craft
Advisory, which is in effect from 7 AM Thursday to 2 AM PDT
Friday. 

* WINDS...Increasing north winds on Thursday with northerly 20 to
  30 kt possible on Friday. Gusts to 45 kt possible.

* WAVES...Steep, building to 14 to 17 feet across the outer 
  waters by Friday. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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

&&

$$
6 follow-up statements
108 
WHUS76 KEKA 091555
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
855 AM PDT Wed May 9 2018

PZZ455-475-100000-
/O.CON.KEKA.SC.Y.0048.180510T0800Z-180510T2000Z/
/O.CON.KEKA.GL.W.0020.180510T2000Z-180512T1200Z/
Cape Mendocino to Pt Arena out 10 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
855 AM PDT Wed May 9 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 AM TO 1 PM PDT
THURSDAY...
...GALE WARNING REMAINS IN EFFECT FROM 1 PM THURSDAY TO 5 AM PDT
SATURDAY...

* WINDS...Increasing north winds on Thursday with northerly 25 
  to 35 kt expected on Friday. Gusts to 45 kt possible, 
  especially across the outer waters and near Cape Mendocino. 
  Winds will diminish late Friday night. 

* WAVES...Steep, building to 12 to 15 feet nearshore and 15 to 
  18 feet across the outer waters by Friday. Winds will diminish 
  late Friday 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.

&&

$$

PZZ450-100000-
/O.CON.KEKA.SC.Y.0048.180510T1400Z-180511T1900Z/
/O.CON.KEKA.GL.A.0017.180511T1900Z-180512T1200Z/
Pt St George to Cape Mendocino out 10 nm-
855 AM PDT Wed May 9 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM THURSDAY TO
NOON PDT FRIDAY...
...GALE WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON THROUGH
LATE FRIDAY NIGHT...

* WINDS...Increasing north winds on Thursday with northerly 25 
  to 30 kt expected on Friday. Gusts to 40 kt possible, 
  especially near Pt St George. 

* WAVES...Steep, building to 10 to 14 feet on Friday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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.

&&

$$

PZZ470-100000-
/O.CON.KEKA.SC.Y.0048.180510T1400Z-180511T0900Z/
/O.CON.KEKA.GL.A.0017.180511T0900Z-180513T0400Z/
Pt St George to Cape Mendocino 10 to 60 nm-
855 AM PDT Wed May 9 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM THURSDAY TO
2 AM PDT FRIDAY...
...GALE WATCH REMAINS IN EFFECT FROM LATE THURSDAY NIGHT THROUGH
SATURDAY EVENING...

* WINDS...Increasing north winds on Thursday with northerly 20 
  to 30 kt possible on Friday. Gusts to 45 kt possible. 

* WAVES...Steep, building to 14 to 17 feet across the outer 
  waters by Friday. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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.

&&

$$
214 
WHUS76 KEKA 092128
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
228 PM PDT Wed May 9 2018

PZZ455-475-100530-
/O.CON.KEKA.SC.Y.0048.180510T0800Z-180510T2000Z/
/O.CON.KEKA.GL.W.0020.180510T2000Z-180512T1200Z/
Cape Mendocino to Pt Arena out 10 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
228 PM PDT Wed May 9 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 AM TO 1 PM PDT
THURSDAY...
...GALE WARNING REMAINS IN EFFECT FROM 1 PM THURSDAY TO 5 AM PDT
SATURDAY...

* WINDS...Increasing north winds on Thursday with northerly 25 
  to 35 kt expected on Friday. Gusts to 45 kt possible, 
  especially across the outer waters and near Cape Mendocino. 
  Winds will diminish late Friday night. 

* WAVES...Steep, building to 12 to 15 feet nearshore and 15 to 
  18 feet across the outer waters by Friday. Winds will diminish 
  late Friday 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.

&&

$$

PZZ450-100530-
/O.CON.KEKA.SC.Y.0048.180510T1400Z-180511T1900Z/
/O.CON.KEKA.GL.A.0017.180511T1900Z-180512T1200Z/
Pt St George to Cape Mendocino out 10 nm-
228 PM PDT Wed May 9 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM THURSDAY TO
NOON PDT FRIDAY...
...GALE WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON THROUGH
LATE FRIDAY NIGHT...

* WINDS...Increasing north winds on Thursday with northerly 25 
  to 30 kt expected on Friday. Gusts to 40 kt possible, 
  especially near Pt St George. 

* WAVES...Steep, building to 10 to 14 feet on Friday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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.

&&

$$

PZZ470-100530-
/O.CON.KEKA.SC.Y.0048.180510T1400Z-180511T0900Z/
/O.CON.KEKA.GL.A.0017.180511T0900Z-180513T0400Z/
Pt St George to Cape Mendocino 10 to 60 nm-
228 PM PDT Wed May 9 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM THURSDAY TO
2 AM PDT FRIDAY...
...GALE WATCH REMAINS IN EFFECT FROM LATE THURSDAY NIGHT THROUGH
SATURDAY EVENING...

* WINDS...Increasing north winds on Thursday with northerly 20 
  to 30 kt possible on Friday. Gusts to 45 kt possible. 

* WAVES...Steep, building to 14 to 17 feet across the outer 
  waters by Friday. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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.

&&

$$
738 
WHUS76 KEKA 100336
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
836 PM PDT Wed May 9 2018

PZZ455-475-101145-
/O.CON.KEKA.SC.Y.0048.180510T0800Z-180510T2000Z/
/O.CON.KEKA.GL.W.0020.180510T2000Z-180512T1200Z/
Cape Mendocino to Pt Arena out 10 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
836 PM PDT Wed May 9 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 AM TO 1 PM PDT
THURSDAY...
...GALE WARNING REMAINS IN EFFECT FROM 1 PM THURSDAY TO 5 AM PDT
SATURDAY...

* WINDS...northerly 25 to 35 kt with gusts to 45 kt Thu and Fri.
 
* SEAS...steep from 9 to 12 ft Thu afternoon and evening, then 15
  to 20 FEET late Thu night through Fri night. Highest seas will 
  be around Cape Mendocino and beyond 10NM from shore.
  
  

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.

&&

$$

PZZ450-101145-
/O.EXT.KEKA.SC.Y.0048.180510T1400Z-180511T1600Z/
/O.EXT.KEKA.GL.A.0017.180511T1600Z-180512T1200Z/
Pt St George to Cape Mendocino out 10 nm-
836 PM PDT Wed May 9 2018

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 7 AM THURSDAY TO 9 AM
PDT FRIDAY...
...GALE WATCH NOW IN EFFECT FROM FRIDAY MORNING THROUGH LATE
FRIDAY NIGHT...

* WINDS...Increasing north winds on Thursday with northerly 25 
  to 30 kt expected on Friday. Gusts to 40 kt possible, 
  especially near Pt St George. 

* SEAS...Steep, building to 10 to 14 ft on Friday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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.

&&

$$

PZZ470-101145-
/O.EXT.KEKA.SC.Y.0048.180510T1400Z-180511T0300Z/
/O.EXT.KEKA.GL.A.0017.180511T0300Z-180513T0400Z/
Pt St George to Cape Mendocino 10 to 60 nm-
836 PM PDT Wed May 9 2018

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 7 AM TO 8 PM PDT
THURSDAY...
...GALE WATCH NOW IN EFFECT FROM THURSDAY EVENING THROUGH
SATURDAY EVENING...

* WINDS...northerly 25 to 35 kt with gusts to 45 kt Thu night and
  Fri.

* SEAS...steep from 10 to 12 ft Thu night, then 14 to 18 FEET Fri
  through Fri night. 
  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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.

&&

$$
275 
WHUS76 KEKA 100941
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
241 AM PDT Thu May 10 2018

PZZ450-101745-
/O.EXT.KEKA.SC.Y.0048.180510T1400Z-180511T0300Z/
/O.EXB.KEKA.GL.W.0020.180511T0300Z-180512T1200Z/
/O.UPG.KEKA.GL.A.0017.180511T1600Z-180512T1200Z/
Pt St George to Cape Mendocino out 10 nm-
241 AM PDT Thu May 10 2018

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 7 AM THIS MORNING TO
8 PM PDT THIS EVENING...
...GALE WARNING IN EFFECT FROM 8 PM THIS EVENING TO 5 AM PDT
SATURDAY...

The National Weather Service in Eureka has issued a Gale Warning,
which is in effect from 8 PM this evening to 5 AM PDT Saturday.
The Gale Watch is no longer in effect. 

* WINDS...Increasing north winds through today with northerly 25
  to 30 kt expected tonight into Friday. Gusts to 40 kt on Friday,
  especially near Pt St George. 

* SEAS...Steep, building to 10 to 14 ft on Friday.

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.

&&

$$

PZZ470-101745-
/O.CON.KEKA.SC.Y.0048.180510T1400Z-180511T0300Z/
/O.UPG.KEKA.GL.A.0017.180511T0300Z-180513T0400Z/
/O.EXB.KEKA.GL.W.0020.180511T0300Z-180513T0400Z/
Pt St George to Cape Mendocino 10 to 60 nm-
241 AM PDT Thu May 10 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 AM THIS MORNING
TO 8 PM PDT THIS EVENING...
...GALE WARNING IN EFFECT FROM 8 PM THIS EVENING TO 9 PM PDT
SATURDAY...

The National Weather Service in Eureka has issued a Gale Warning,
which is in effect from 8 PM this evening to 9 PM PDT Saturday.
The Gale Watch is no longer in effect. 

* WINDS...northerly increasing to 25 to 35 kt with gusts to 45 kt
  tonight and Friday. 

* SEAS...steep building to 10 to 12 ft by this evening. Then
  continue to build to 14 to 18 FEET Friday through Friday 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.

&&

$$

PZZ455-475-101745-
/O.CON.KEKA.SC.Y.0048.000000T0000Z-180510T2000Z/
/O.CON.KEKA.GL.W.0020.180510T2000Z-180512T1200Z/
Cape Mendocino to Pt Arena out 10 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
241 AM PDT Thu May 10 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM PDT THIS
AFTERNOON...
...GALE WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
5 AM PDT SATURDAY...

* WINDS...Northerly increasing to 30 to 35 kt with gusts to 45 kt
  by late this afternoon and remaining elevated through Friday. A
  few gusts to 50 KT possible Friday afternoon.

* SEAS...steep from 9 to 12 ft this afternoon and evening, then 15
  to 20 FEET late Thu night through Friday night. Highest seas 
  will be around Cape Mendocino and beyond 10NM from shore. 

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.

&&

$$
829 
WHUS76 KEKA 101521
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
821 AM PDT Thu May 10 2018

PZZ450-102330-
/O.CON.KEKA.SC.Y.0048.000000T0000Z-180511T0300Z/
/O.CON.KEKA.GL.W.0020.180511T0300Z-180512T1200Z/
Pt St George to Cape Mendocino out 10 nm-
821 AM PDT Thu May 10 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS
EVENING...
...GALE WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 5 AM
PDT SATURDAY...

* WINDS...Increasing north winds through today with northerly 25 
  to 30 kt expected tonight into Friday. Gusts to 40 kt on 
  Friday, especially near Pt St George. 

* SEAS...Steep, building to 10 to 14 ft on Friday.

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.

&&

$$

PZZ470-102330-
/O.CON.KEKA.SC.Y.0048.000000T0000Z-180511T0300Z/
/O.CON.KEKA.GL.W.0020.180511T0300Z-180513T0400Z/
Pt St George to Cape Mendocino 10 to 60 nm-
821 AM PDT Thu May 10 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS
EVENING...
...GALE WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 9 PM
PDT SATURDAY...

* WINDS...northerly increasing to 25 to 35 kt with gusts to 45 
  kt tonight and Friday. 

* SEAS...steep building to 10 to 12 ft by this evening. Then 
  continue to build to 14 to 18 FEET Friday through Friday 
  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.

&&

$$

PZZ455-475-102330-
/O.CON.KEKA.SC.Y.0048.000000T0000Z-180510T2000Z/
/O.CON.KEKA.GL.W.0020.180510T2000Z-180512T1200Z/
Cape Mendocino to Pt Arena out 10 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
821 AM PDT Thu May 10 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM PDT THIS
AFTERNOON...
...GALE WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
5 AM PDT SATURDAY...

* WINDS...Northerly increasing to 30 to 35 kt with gusts to 45 
  kt by late this afternoon and remaining elevated through 
  Friday. A few gusts to 50 KT possible Friday afternoon. 

* SEAS...steep from 9 to 12 ft this afternoon and evening, then 
  15 to 20 FEET late Thu night through Friday night. Highest 
  seas will be around Cape Mendocino and beyond 10NM from shore. 

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.

&&

$$
617 
WHUS76 KEKA 102139
MWWEKA

Urgent - Marine Weather Message
National Weather Service Eureka CA
239 PM PDT Thu May 10 2018

PZZ450-110545-
/O.CON.KEKA.SC.Y.0048.000000T0000Z-180511T0300Z/
/O.CON.KEKA.GL.W.0020.180511T0300Z-180512T1200Z/
Pt St George to Cape Mendocino out 10 nm-
239 PM PDT Thu May 10 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS
EVENING...
...GALE WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 5 AM
PDT SATURDAY...

* WINDS...North winds 25 to 30 kt expected tonight into Friday. 
  Gusts to 40 kt on Friday, especially near Pt St George. 

* SEAS...Steep, building to 10 to 14 ft on Friday.

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.

&&

$$

PZZ470-110545-
/O.CON.KEKA.SC.Y.0048.000000T0000Z-180511T0300Z/
/O.CON.KEKA.GL.W.0020.180511T0300Z-180513T0400Z/
Pt St George to Cape Mendocino 10 to 60 nm-
239 PM PDT Thu May 10 2018

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS
EVENING...
...GALE WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 9 PM
PDT SATURDAY...

* WINDS...Northerly increasing to 25 to 35 kt with gusts to 45 kt
  tonight and Friday. 

* SEAS...Steep building 10 to 12 ft by this evening and 14 to 18 
  ft Friday. 

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.

&&

$$

PZZ455-475-110545-
/O.CON.KEKA.GL.W.0020.000000T0000Z-180512T1200Z/
Cape Mendocino to Pt Arena out 10 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
239 PM PDT Thu May 10 2018

...GALE WARNING REMAINS IN EFFECT UNTIL 5 AM PDT SATURDAY...

* WINDS...Northerly increasing to 30 to 35 kt with gusts to 45 kt. 
  A few gusts to 50 KT possible Friday afternoon. 

* SEAS...Steep 9 to 12 ft building 15 to 20 ft Friday. Highest 
  seas will be around Cape Mendocino and beyond 10NM from shore. 

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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 9, 3:06 AM PDTGale WarningEKA4 days

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.