Alert archive / California / Small Craft Advisories in 2017

Small Craft Advisory 37, NWS Eureka, CA

March 21, 2017

NWS Eureka, CA issued this small craft advisory at Mar 21, 2017, 3:11 AM PDT. It took effect at Mar 21, 2017, 9:00 AM PDT. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued
Mar 21, 2017, 3:11 AM PDT (10:11 UTC)
In effect from
Mar 21, 2017, 9:00 AM PDT
Expired
Mar 22, 2017, 3:00 AM PDT
In force
18 hr
Issued by
NWS Eureka, CA

The text

As transmitted.

090 
WHUS76 KEKA 211011
MWWEKA

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
311 AM PDT TUE MAR 21 2017

PZZ450-211815-
/O.EXP.KEKA.SC.Y.0036.000000T0000Z-170321T1000Z/
/O.NEW.KEKA.SC.Y.0037.170321T1600Z-170322T1000Z/
PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM-
311 AM PDT TUE MAR 21 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 3 AM
PDT WEDNESDAY...
...SMALL CRAFT ADVISORY HAS EXPIRED...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A SMALL CRAFT
ADVISORY, WHICH IS IN EFFECT FROM 9 AM THIS MORNING TO 3 AM PDT
WEDNESDAY. 

* WINDS...SOUTH 15 TO 25 KT THIS AFTERNOON WITH GUSTS AROUND 30 
  KT...ESPECIALLY AROUND CAPE MENDOCINO. WINDS WILL SUBSIDE LATE 
  TONIGHT.
 
* WAVES/SEAS...STEEP SOUTHWEST WAVES AROUND 5 FT AT 7 SECONDS AND
  WEST SWELL AT 3 FT AT 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.

&&

$$

PZZ455-475-211815-
/O.EXP.KEKA.SC.Y.0036.000000T0000Z-170321T1000Z/
/O.NEW.KEKA.SC.Y.0037.170321T1600Z-170322T1000Z/
CAPE MENDOCINO TO PT ARENA OUT 10 NM-
CAPE MENDOCINO TO PT ARENA 10 TO 60 NM-
311 AM PDT TUE MAR 21 2017

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 3 AM
PDT WEDNESDAY...
...SMALL CRAFT ADVISORY HAS EXPIRED...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A SMALL CRAFT
ADVISORY, WHICH IS IN EFFECT FROM 9 AM THIS MORNING TO 3 AM PDT
WEDNESDAY. 

* WINDS...SOUTH 10 TO 20 KT THIS AFTERNOON WITH GUSTS AROUND 30 KT.
  WINDS WILL SUBSIDE LATE TONIGHT. 

* WAVES/SEAS...STEEP SOUTH WAVES AT 6 TO 7 FT AROUND 7 SECONDS AND
  WEST SWELL AT 3 FT AT 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.

&&

$$

PZZ470-211815-
/O.EXT.KEKA.SC.Y.0036.000000T0000Z-170321T2200Z/
/O.NEW.KEKA.GL.W.0018.170321T2200Z-170322T0400Z/
PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM-
311 AM PDT TUE MAR 21 2017

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 PM PDT THIS
AFTERNOON...
...GALE WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO 9 PM PDT
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A GALE WARNING,
WHICH IS IN EFFECT FROM 3 PM THIS AFTERNOON TO 9 PM PDT THIS
EVENING. 

* WINDS...SOUTH 15 TO 25 KT THIS AFTERNOON WITH GUSTS AROUND 35
  KT. WINDS WILL BE STRONGEST WITH THE FRONTAL PASSAGE LATE THIS
  AFTERNOON BEFORE WINDS DECREASE TONIGHT.

* WAVES/SEAS...STEEP SOUTH WAVES AT 7 TO 8 FT AROUND 7 SECONDS AND
  WEST SWELL AT 4 FT AT 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.

&&

$$
4 follow-up statements
393 
WHUS76 KEKA 211537
MWWEKA

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
837 AM PDT TUE MAR 21 2017

PZZ470-212345-
/O.CON.KEKA.SC.Y.0036.000000T0000Z-170321T2200Z/
/O.CON.KEKA.GL.W.0018.170321T2200Z-170322T0400Z/
PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM-
837 AM PDT TUE MAR 21 2017

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT THIS
AFTERNOON...
...GALE WARNING REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO
9 PM PDT THIS EVENING...

* WINDS...SOUTH 15 TO 25 KT THIS AFTERNOON WITH GUSTS AROUND 35 
  KT. WINDS WILL BE STRONGEST WITH THE FRONTAL PASSAGE LATE THIS 
  AFTERNOON BEFORE WINDS DECREASE TONIGHT. 

* WAVES/SEAS...STEEP SOUTH WAVES AT 7 TO 8 FT AROUND 7 SECONDS 
  AND WEST SWELL AT 4 FT AT 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.

&&

$$

PZZ450-212345-
/O.CON.KEKA.SC.Y.0037.170321T1600Z-170322T1000Z/
PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM-
837 AM PDT TUE MAR 21 2017

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT
WEDNESDAY...

* WINDS...SOUTH 15 TO 25 KT THIS AFTERNOON WITH GUSTS AROUND 30 
  KT...ESPECIALLY AROUND CAPE MENDOCINO. WINDS WILL SUBSIDE LATE 
  TONIGHT. 

* WAVES/SEAS...STEEP SOUTHWEST WAVES AROUND 5 FT AT 7 SECONDS 
  AND WEST SWELL AT 3 FT AT 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.

&&

$$

PZZ455-475-212345-
/O.CON.KEKA.SC.Y.0037.170321T1600Z-170322T1000Z/
CAPE MENDOCINO TO PT ARENA OUT 10 NM-
CAPE MENDOCINO TO PT ARENA 10 TO 60 NM-
837 AM PDT TUE MAR 21 2017

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT
WEDNESDAY...

* WINDS...SOUTH 10 TO 20 KT THIS AFTERNOON WITH GUSTS AROUND 30 
  KT. WINDS WILL SUBSIDE LATE TONIGHT. 

* WAVES/SEAS...STEEP SOUTH WAVES AT 6 TO 7 FT AROUND 7 SECONDS 
  AND WEST SWELL AT 3 FT AT 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.

&&

$$
304 
WHUS76 KEKA 212115
MWWEKA

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
215 PM PDT TUE MAR 21 2017

PZZ470-220400-
/O.CON.KEKA.SC.Y.0036.000000T0000Z-170321T2200Z/
/O.CON.KEKA.GL.W.0018.170321T2200Z-170322T0400Z/
PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM-
215 PM PDT TUE MAR 21 2017

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT THIS
AFTERNOON...
...GALE WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING...

* WINDS...SOUTH 15 TO 25 KT THIS AFTERNOON WITH GUSTS AROUND 35
  KT. WINDS WILL BE STRONGEST WITH THE FRONTAL PASSAGE THROUGH
  THIS EVENING BEFORE WINDS DECREASE TONIGHT. 

* WAVES/SEAS...STEEP SOUTH WAVES AT 8 TO 10 FT AROUND 8 SECONDS 
AND WEST SWELL AT 4 FT AT 15 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.

&&

$$

PZZ450-220515-
/O.CON.KEKA.SC.Y.0037.000000T0000Z-170322T1000Z/
PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM-
215 PM PDT TUE MAR 21 2017

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT
WEDNESDAY...

* WINDS...SOUTH 15 TO 25 KT THIS EVENING WITH GUSTS AROUND 30 
KT...ESPECIALLY AROUND CAPE MENDOCINO. WINDS WILL SUBSIDE LATE 
TONIGHT. 

* WAVES/SEAS...STEEP SOUTHWEST WAVES AROUND 8 TO 10 FT AT 8
  SECONDS AND WEST SWELL AT 3 FT AT 16 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.

&&

$$

PZZ455-475-220515-
/O.CON.KEKA.SC.Y.0037.000000T0000Z-170322T1000Z/
CAPE MENDOCINO TO PT ARENA OUT 10 NM-
CAPE MENDOCINO TO PT ARENA 10 TO 60 NM-
215 PM PDT TUE MAR 21 2017

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT
WEDNESDAY...

* WINDS...SOUTH 10 TO 20 KT THIS EVENING WITH GUSTS AROUND 30 KT.
WINDS WILL SUBSIDE LATE TONIGHT. 

* WAVES/SEAS...STEEP SOUTH WAVES AT 7 TO 9 FT AROUND 8 SECONDS AND
  WEST SWELL AT 3 FT AT 16 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.

&&

$$
487 
WHUS76 KEKA 220406
MWWEKA

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
906 PM PDT TUE MAR 21 2017

PZZ470-221000-
/O.EXP.KEKA.GL.W.0018.000000T0000Z-170322T0400Z/
/O.EXA.KEKA.SC.Y.0037.000000T0000Z-170322T1000Z/
PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM-
906 PM PDT TUE MAR 21 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM PDT WEDNESDAY...
...GALE WARNING HAS EXPIRED...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A SMALL CRAFT
ADVISORY, WHICH IS IN EFFECT UNTIL 3 AM PDT WEDNESDAY. 

* WINDS...SOUTHWEST 15 TO 25 KT THIS EVENING WITH GUSTS AROUND 30
  KT. WINDS WILL DECREASE TONIGHT AND TURN NORTHERLY ON WEDNESDAY. 

* WAVES/SEAS...SOUTHWEST 10 FT AT 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.

&&

$$

PZZ450-221000-
/O.CON.KEKA.SC.Y.0037.000000T0000Z-170322T1000Z/
PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM-
906 PM PDT TUE MAR 21 2017

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT
WEDNESDAY...

* WINDS...SOUTH 15 TO 25 KT THIS EVENING...BECOMING SW 10 TO 15
  KT.

* WAVES/SEAS...STEEP SOUTHWEST WAVES AROUND 8 FT AT 8 SECONDS AND
WEST SWELL AT 3 FT AT 16 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.

&&

$$

PZZ455-475-221000-
/O.CON.KEKA.SC.Y.0037.000000T0000Z-170322T1000Z/
CAPE MENDOCINO TO PT ARENA OUT 10 NM-
CAPE MENDOCINO TO PT ARENA 10 TO 60 NM-
906 PM PDT TUE MAR 21 2017

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT
WEDNESDAY...

* WINDS...WEST 10 TO 20 KT OFFSHORE AND WEST 5 TO 15 KT NEARSHORE.
  GUSTS TO 25 KT POSSIBLE NEAR CAPE MENDOCINO. WINDS WILL 
  DECREASE FURTHER TONIGHT AND TURN NORTHERLY ON WEDNESDAY. 

* WAVES/SEAS...SOUTHWEST 8 TO 10 FT AROUND 14 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.

&&

$$
599 
WHUS76 KEKA 221006
MWWEKA

URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
306 AM PDT WED MAR 22 2017

PZZ450-455-470-475-221815-
/O.EXP.KEKA.SC.Y.0037.000000T0000Z-170322T1000Z/
/O.NEW.KEKA.GL.A.0009.170323T2200Z-170324T1000Z/
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-
CAPE MENDOCINO TO PT ARENA 10 TO 60 NM-
306 AM PDT WED MAR 22 2017

...GALE WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH LATE
THURSDAY NIGHT...
...SMALL CRAFT ADVISORY HAS EXPIRED...

THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A GALE WATCH,
WHICH IS IN EFFECT FROM THURSDAY AFTERNOON THROUGH LATE THURSDAY
NIGHT. 

* WINDS...SOUTHERLY GALES SHOULD DEVELOP LATER THURSDAY AFTERNOON
  WITH STRONGER WINDS EXPECTED NORTHWARD OF CAPE MENDOCINO.
  ISOLATED STORM FORCE GUSTS MAY BE POSSIBLE IN THE NORTHERN 
  OUTER WATERS. 

* WAVES/SEAS...LARGE, STEEP WAVES WILL RAMP UP IN RESPONSE TO THE
  GALES TO AROUND 9 TO 11 FT 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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 21, 2:04 AM PDTAreal Flood AdvisoryEKAHumboldt5 hr
Mar 21, 3:11 AM PDTGale WarningEKA18 hr
Mar 21, 12:17 PM PDTSpecial Marine WarningEKA28 min
Mar 21, 12:37 PM PDTSpecial Marine WarningEKA38 min

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.