Alert archive / California / Small Craft Advisories in 2017

Small Craft Advisory 24, NWS Eureka, CA

February 20, 2017

NWS Eureka, CA issued this small craft advisory at Feb 20, 2017, 9:00 AM PST. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Feb 20, 2017, 9:00 AM PST (17:00 UTC)
Expired
Feb 20, 2017, 3:06 PM PST
In force
6 hr
Issued by
NWS Eureka, CA

The text

As transmitted.

853 
WHUS76 KEKA 201700
MWWEKA

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
900 AM PST MON FEB 20 2017

PZZ455-475-210100-
/O.EXP.KEKA.GL.W.0015.000000T0000Z-170220T1700Z/
/O.NEW.KEKA.SC.Y.0024.170220T1700Z-170221T1100Z/
/O.CON.KEKA.GL.A.0007.170221T1100Z-170221T1700Z/
CAPE MENDOCINO TO PT ARENA OUT 10 NM-
CAPE MENDOCINO TO PT ARENA 10 TO 60 NM-
900 AM PST MON FEB 20 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM PST TUESDAY...
...GALE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
MORNING...

* WINDS...S 15 TO 25 KT WITH GUSTS TO 30 KT THIS MORNING. WINDS
  WILL INCREASE TO 20 TO 30 KT WITH GUSTS TO 40 KT EARLY TUESDAY 
  MORNING.

* WAVES...W 12 TO 14 FT AT AROUND 15 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.

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.

$$

PZZ450-470-210100-
/O.CON.KEKA.GL.W.0015.000000T0000Z-170220T2000Z/
/O.CON.KEKA.GL.A.0007.170221T1100Z-170221T1700Z/
PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM-
PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM-
900 AM PST MON FEB 20 2017

...GALE WARNING REMAINS IN EFFECT UNTIL NOON PST TODAY...
...GALE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
MORNING...

* WINDS...S 20 TO 30 KT WITH GUSTS AROUND 40 KT THROUGH THIS 
  MORNING. WINDS WILL DECREASE BRIEFLY THIS AFTERNOON THEN 
  INCREASE TO 20 TO 30 KT WITH GUSTS AROUND 40 KT EARLY TUESDAY 
  MORNING. 

* WAVES...13 TO 16 FT AROUND 15 SECONDS AND W AROUND 7 FEET AT 8 
  SECONDS. 

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 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.

$$
2 follow-up statements
293 
WHUS76 KEKA 201958
MWWEKA

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
1158 AM PST MON FEB 20 2017

PZZ450-470-210400-
/O.EXP.KEKA.GL.W.0015.000000T0000Z-170220T2000Z/
/O.NEW.KEKA.SE.W.0012.170220T2000Z-170221T1100Z/
/O.CON.KEKA.GL.A.0007.170221T1100Z-170221T1700Z/
PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM-
PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM-
1158 AM PST MON FEB 20 2017

...HAZARDOUS SEAS WARNING IN EFFECT UNTIL 3 AM TUESDAY... ...GALE
WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY 
MORNING... 

* WINDS...S TO SW 10 TO 20 KT INCREASING TO 20 TO 30 KT WITH 
  GUSTS AROUND 40 KT EARLY TUESDAY MORNING.

* WAVES...SW TO W 12 TO 14 FT AROUND 13 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.

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.

$$

PZZ455-475-210400-
/O.CON.KEKA.SC.Y.0024.000000T0000Z-170221T1100Z/
/O.CON.KEKA.GL.A.0007.170221T1100Z-170221T1700Z/
CAPE MENDOCINO TO PT ARENA OUT 10 NM-
CAPE MENDOCINO TO PT ARENA 10 TO 60 NM-
1158 AM PST MON FEB 20 2017

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM TUESDAY... 
...GALE WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY 
MORNING...

* WINDS...S 15 TO 25 KT INCREASING TO 20 TO 30 KT WITH GUSTS TO 
  40 KT EARLY TUESDAY MORNING. 

* WAVES...SW TO W 12 TO 14 FT AT AROUND 13 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.

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.

$$
934 
WHUS76 KEKA 202306
MWWEKA

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
306 PM PST MON FEB 20 2017

PZZ455-475-210715-
/O.UPG.KEKA.SC.Y.0024.000000T0000Z-170221T1100Z/
/O.NEW.KEKA.GL.W.0016.170220T2306Z-170221T1100Z/
/O.CAN.KEKA.GL.A.0007.170221T1100Z-170221T1700Z/
CAPE MENDOCINO TO PT ARENA OUT 10 NM-
CAPE MENDOCINO TO PT ARENA 10 TO 60 NM-
306 PM PST MON FEB 20 2017

...GALE WARNING IN EFFECT UNTIL 3 AM TUESDAY... 

* WINDS...SW 20 TO 30 KT WITH GUSTS TO 40 KT TONIGHT.

* WAVES...SW TO W 11 TO 13 FT AT AROUND 13 SECONDS.

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.

$$

PZZ450-470-210715-
/O.EXT.KEKA.SE.W.0012.000000T0000Z-170221T0800Z/
/O.UPG.KEKA.GL.A.0007.170221T1100Z-170221T1700Z/
/O.NEW.KEKA.GL.W.0016.170221T0800Z-170221T1400Z/
PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM-
PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM-
306 PM PST MON FEB 20 2017

...HAZARDOUS SEAS WARNING NOW IN EFFECT UNTIL MIDNIGHT TONIGHT...
...GALE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM 
TUESDAY... 

* WINDS...SE 5 TO 15 KT...BECOMING SW 25 TO 35 KT WITH GUSTS TO 45
  KT TONIGHT. 

* WAVES...SW TO W 12 TO 14 FT AT AROUND 13 SECONDS.

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 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.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 19, 4:06 PM PSTHigh Wind WatchEKAHumboldt, Mendocino, Trinity24 hr
Feb 19, 4:06 PM PSTWind AdvisoryEKADel Norte, Humboldt3 hr
Feb 19, 7:19 PM PSTWind AdvisoryEKADel Norte, Humboldt13 hr
Feb 19, 9:16 PM PSTGale WatchEKA18 hr
Feb 20, 4:33 AM PSTRiver Flood WarningEKAMendocino37 hr
Feb 20, 11:58 AM PSTHazardous Seas WarningEKA12 hr
Feb 20, 2:48 PM PSTRiver Flood WatchEKAMendocino5 hr
Feb 20, 3:06 PM PSTGale WarningEKA18 hr
Feb 20, 3:40 PM PSTHigh Wind WarningEKADel Norte, Humboldt, Mendocino, Trinity10 hr
Feb 20, 3:40 PM PSTWind AdvisoryEKADel Norte, Humboldt, Mendocino17 hr

Nearby

Small Craft Advisories in California, 2017Every small craft advisory in 2017

Sources

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