Alert archive / California / Hazardous Seas Warnings in 2021

Hazardous Seas Warning 19, NWS Eureka, CA

March 5, 2021

NWS Eureka, CA issued this hazardous seas warning at Mar 5, 2021, 9:01 AM PST. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Mar 5, 2021, 9:01 AM PST (17:01 UTC)
Expired
Mar 5, 2021, 3:00 PM PST
In force
6 hr
Issued by
NWS Eureka, CA

The text

As transmitted.

308 
WHUS76 KEKA 051701
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
901 AM PST Fri Mar 5 2021

PZZ450-052300-
/O.EXP.KEKA.GL.W.0014.000000T0000Z-210305T1700Z/
/O.NEW.KEKA.SE.W.0019.210305T1701Z-210305T2300Z/
Pt St George to Cape Mendocino out 10 nm-
901 AM PST Fri Mar 5 2021

...HAZARDOUS SEAS WARNING IN EFFECT UNTIL 3 PM THIS AFTERNOON...

* WHAT...Very steep and hazardous seas 13 to 15 feet.

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

* WHEN...Until 3 PM 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.

$$

PZZ475-052300-
/O.EXP.KEKA.GL.W.0014.000000T0000Z-210305T1700Z/
/O.NEW.KEKA.SE.W.0019.210305T1701Z-210305T2300Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
901 AM PST Fri Mar 5 2021

...HAZARDOUS SEAS WARNING IN EFFECT UNTIL 3 PM THIS AFTERNOON...

* WHAT...Very steep and hazardous seas around 16 feet.

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

* WHEN...Until 3 PM 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.

$$

PZZ455-060115-
/O.EXP.KEKA.GL.W.0014.000000T0000Z-210305T1700Z/
/O.NEW.KEKA.SC.Y.0027.210305T1701Z-210306T2300Z/
Cape Mendocino to Pt Arena out 10 nm-
901 AM PST Fri Mar 5 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM SATURDAY...

* WHAT...Southeast winds 15 to 25 kt with occasional gusts to 35
  kt and seas 11 to 16 feet.

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

* WHEN...Until 3 PM Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

$$

PZZ470-052300-
/O.EXP.KEKA.SR.W.0003.000000T0000Z-210305T1700Z/
/O.NEW.KEKA.SE.W.0019.210305T1701Z-210305T2300Z/
Pt St George to Cape Mendocino 10 to 60 nm-
901 AM PST Fri Mar 5 2021

...HAZARDOUS SEAS WARNING IN EFFECT UNTIL 3 PM THIS AFTERNOON...

* WHAT...Very steep and hazardous seas around 16 feet.

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

* WHEN...Until 3 PM 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.

$$
1 follow-up statement
267 
WHUS76 KEKA 052252
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
252 PM PST Fri Mar 5 2021

PZZ450-475-060700-
/O.EXP.KEKA.SE.W.0019.000000T0000Z-210305T2300Z/
/O.EXB.KEKA.SC.Y.0027.210305T2300Z-210306T2300Z/
Pt St George to Cape Mendocino out 10 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
252 PM PST Fri Mar 5 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM SATURDAY...

* WHAT...Seas 10 to 14 feet.

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

* WHEN...Until 3 PM Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

$$

PZZ470-060700-
/O.EXP.KEKA.SE.W.0019.000000T0000Z-210305T2300Z/
/O.EXB.KEKA.SC.Y.0027.210305T2300Z-210307T0800Z/
Pt St George to Cape Mendocino 10 to 60 nm-
252 PM PST Fri Mar 5 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT SATURDAY NIGHT...

* WHAT...South winds 15 to 25 kt with gusts to 30 kt and seas 9 to 14
  feet.

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

* WHEN...Until midnight Saturday night.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

$$

PZZ455-060700-
/O.CON.KEKA.SC.Y.0027.000000T0000Z-210306T2300Z/
Cape Mendocino to Pt Arena out 10 nm-
252 PM PST Fri Mar 5 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM SATURDAY...

* WHAT...Seas 9 to 14 feet.

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

* WHEN...Until 3 PM Saturday.

* 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
Mar 5, 9:01 AM PSTSmall Craft AdvisoryEKA30 hr

Nearby

Hazardous Seas Warnings in California, 2021Every hazardous seas warning 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.