Alert archive / California / Hazardous Seas Warnings in 2021

Hazardous Seas Warning 61, NWS Eureka, CA

November 16, 2021

NWS Eureka, CA issued this hazardous seas warning at Nov 16, 2021, 8:39 PM PST. It took effect at Nov 16, 2021, 9:00 PM PST. It was in force for 9 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
Nov 16, 2021, 8:39 PM PST (04:39 UTC)
In effect from
Nov 16, 2021, 9:00 PM PST
Expired
Nov 17, 2021, 6:00 AM PST
In force
9 hr
Issued by
NWS Eureka, CA

The text

As transmitted.

622 
WHUS76 KEKA 170439
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
839 PM PST Tue Nov 16 2021

PZZ470-475-171245-
/O.EXP.KEKA.GL.W.0052.000000T0000Z-211117T0500Z/
/O.NEW.KEKA.SE.W.0061.211117T0500Z-211117T1400Z/
Pt St George to Cape Mendocino 10 to 60 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
839 PM PST Tue Nov 16 2021

...HAZARDOUS SEAS WARNING IN EFFECT UNTIL 6 AM PST WEDNESDAY...

* WHAT...Very steep and hazardous seas 10 to 14 feet expected.

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

* WHEN...Until 6 AM PST Wednesday.

* 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.

&&

$$

PZZ450-171245-
/O.CON.KEKA.SC.Y.0121.000000T0000Z-211117T1400Z/
Pt St George to Cape Mendocino out 10 nm-
839 PM PST Tue Nov 16 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM PST
WEDNESDAY...

* WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas 
  9 to 11 feet.

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

* WHEN...Until 6 AM PST Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ455-171245-
/O.CON.KEKA.SC.Y.0121.000000T0000Z-211117T1400Z/
Cape Mendocino to Pt Arena out 10 nm-
839 PM PST Tue Nov 16 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM PST
WEDNESDAY...

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

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

* WHEN...Until 6 AM PST Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
1 follow-up statement
970 
WHUS76 KEKA 171028
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
228 AM PST Wed Nov 17 2021

PZZ470-475-171400-
/O.CON.KEKA.SE.W.0061.000000T0000Z-211117T1400Z/
Pt St George to Cape Mendocino 10 to 60 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
228 AM PST Wed Nov 17 2021

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 6 AM PST EARLY
THIS MORNING...

* WHAT...Very steep and hazardous seas 7 to 12 feet.

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

* WHEN...Until 6 AM PST early this morning.

* 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.

&&

$$

PZZ450-171400-
/O.CON.KEKA.SC.Y.0121.000000T0000Z-211117T1400Z/
Pt St George to Cape Mendocino out 10 nm-
228 AM PST Wed Nov 17 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM PST EARLY
THIS MORNING...

* WHAT...Steep seas 6 to 9 feet.

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

* WHEN...Until 6 AM PST early this morning.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ455-171400-
/O.CON.KEKA.SC.Y.0121.000000T0000Z-211117T1400Z/
Cape Mendocino to Pt Arena out 10 nm-
228 AM PST Wed Nov 17 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM PST EARLY
THIS MORNING...

* WHAT...Steep seas 6 to 9 feet.

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

* WHEN...Until 6 AM PST early this morning.

* 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
Nov 17, 7:38 AM PSTSmall Craft AdvisoryEKA7 hr
Nov 17, 3:03 PM PSTGale WatchEKA6 hr
Nov 17, 3:03 PM PSTSmall Craft AdvisoryEKA3 days

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.