Alert archive / California / Small Craft Advisories in 2021

Small Craft Advisory 15, NWS Eureka, CA

February 2, 2021

NWS Eureka, CA issued this small craft advisory at Feb 2, 2021, 8:54 PM PST. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Feb 2, 2021, 8:54 PM PST (04:54 UTC)
Expired
Feb 3, 2021, 2:46 AM PST
In force
6 hr
Issued by
NWS Eureka, CA

The text

As transmitted.

516 
WHUS76 KEKA 030454
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
854 PM PST Tue Feb 2 2021

PZZ455-030600-
/O.CAN.KEKA.GL.W.0010.210203T1500Z-210203T1800Z/
Cape Mendocino to Pt Arena out 10 nm-
854 PM PST Tue Feb 2 2021

...GALE WARNING IS CANCELLED...


$$

PZZ470-031300-
/O.NEW.KEKA.SC.Y.0015.210203T0454Z-210203T0900Z/
/O.CON.KEKA.GL.W.0010.210203T0900Z-210203T1500Z/
Pt St George to Cape Mendocino 10 to 60 nm-
854 PM PST Tue Feb 2 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM PST WEDNESDAY...
...GALE WARNING REMAINS IN EFFECT FROM 1 AM TO 7 AM PST
WEDNESDAY...

* WHAT...For the Gale Warning, southwest winds 25 to 30 kt with 
  gusts up to 40 kt and seas 9 to 13 feet expected. For the 
  Small Craft Advisory, southwest winds 15 to 20 kt with gusts 
  up to 25 kt and seas 7 to 9 feet.

* WHERE...Pt St George to Cape Mendocino 10 to 60 nm.

* WHEN...For the Gale Warning, from 1 AM to 7 AM PST Wednesday. 
  For the Small Craft Advisory, until 1 AM PST Wednesday.

* IMPACTS...Strong winds will cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

PZZ475-031300-
/O.NEW.KEKA.SC.Y.0015.210203T0800Z-210203T1200Z/
/O.CON.KEKA.GL.W.0010.210203T1200Z-210203T1800Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
854 PM PST Tue Feb 2 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 4 AM
PST WEDNESDAY...
...GALE WARNING REMAINS IN EFFECT FROM 4 AM TO 10 AM PST
WEDNESDAY...

* WHAT...For the Gale Warning, west winds 20 to 25 kt with gusts 
  up to 35 kt and seas 8 to 10 feet expected. For the Small 
  Craft Advisory, west winds 10 to 20 kt with gusts up to 30 kt 
  and seas 6 to 8 feet expected.

* WHERE...Cape Mendocino to Pt Arena 10 to 60 nm.

* WHEN...For the Gale Warning, from 4 AM to 10 AM PST Wednesday. 
  For the Small Craft Advisory, from midnight tonight to 4 AM 
  PST Wednesday.

* IMPACTS...Strong winds will cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

PZZ450-031300-
/O.CON.KEKA.GL.W.0010.210203T0900Z-210203T1500Z/
Pt St George to Cape Mendocino out 10 nm-
854 PM PST Tue Feb 2 2021

...GALE WARNING REMAINS IN EFFECT FROM 1 AM TO 7 AM PST
WEDNESDAY...

* WHAT...Southwest winds 25 to 30 kt with gusts up to 40 kt and 
  seas 9 to 12 feet expected.

* WHERE...Pt St George to Cape Mendocino out 10 nm and Pt St 
  George to Cape Mendocino 10 to 60 nm.

* WHEN...From 1 AM to 7 AM PST Wednesday.

* IMPACTS...Strong winds will cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$
1 follow-up statement
517 
WHUS76 KEKA 031046
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
246 AM PST Wed Feb 3 2021

PZZ475-031900-
/O.UPG.KEKA.SC.Y.0015.000000T0000Z-210203T1200Z/
/O.NEW.KEKA.SE.W.0011.210203T1046Z-210204T0000Z/
/O.CAN.KEKA.GL.W.0010.210203T1200Z-210203T1800Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
246 AM PST Wed Feb 3 2021

...HAZARDOUS SEAS WARNING IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...
...GALE WARNING IS CANCELLED...

* WHAT...Very steep and hazardous seas 11 to 13 feet.

* WHERE...Cape Mendocino to Pt Arena 10 to 60 nm.

* WHEN...Until 4 PM PST this afternoon.

* IMPACTS...Very steep and hazardous seas could capsize or cause 
  damage to vessels.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Recreational boaters should remain in port. Commercial vessels
should prepare for rough seas and consider remaining in port
until hazardous seas subside.

&&

$$

PZZ470-031900-
/O.CAN.KEKA.GL.W.0010.000000T0000Z-210203T1500Z/
/O.NEW.KEKA.SE.W.0011.210203T1046Z-210204T0000Z/
Pt St George to Cape Mendocino 10 to 60 nm-
246 AM PST Wed Feb 3 2021

...HAZARDOUS SEAS WARNING IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...
...GALE WARNING IS CANCELLED...

* WHAT...Very steep and hazardous seas 12 to 14 feet.

* WHERE...Pt St George to Cape Mendocino 10 to 60 nm.

* WHEN...Until 4 PM PST this afternoon.

* IMPACTS...Very steep and hazardous seas could capsize or cause 
  damage to vessels.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Recreational boaters should remain in port. Commercial vessels
should prepare for rough seas and consider remaining in port
until hazardous seas subside.

&&

$$

PZZ450-031900-
/O.CAN.KEKA.GL.W.0010.000000T0000Z-210203T1500Z/
/O.NEW.KEKA.SC.Y.0016.210203T1046Z-210204T1000Z/
Pt St George to Cape Mendocino out 10 nm-
246 AM PST Wed Feb 3 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM PST THURSDAY...
...GALE WARNING IS CANCELLED...

* WHAT...North winds 10 to 20 kt with gusts up to 30 kt and seas 
  8 to 11 feet.

* WHERE...Pt St George to Cape Mendocino out 10 nm.

* WHEN...Until 2 AM PST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

PZZ455-031900-
/O.NEW.KEKA.SC.Y.0016.210203T1500Z-210204T1000Z/
Cape Mendocino to Pt Arena out 10 nm-
246 AM PST Wed Feb 3 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM THIS MORNING TO 2 AM
PST THURSDAY...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 25 kt and 
  seas 7 to 10 feet expected.

* WHERE...Cape Mendocino to Pt Arena out 10 nm.

* WHEN...From 7 AM this morning to 2 AM PST Thursday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 3, 2:46 AM PSTSmall Craft AdvisoryEKA6 days
Feb 3, 2:46 AM PSTHazardous Seas WarningEKA12 hr

Nearby

Small Craft Advisories in California, 2021Every small craft advisory in 2021

Sources

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