Alert archive / California / Small Craft Advisories in 2021

Small Craft Advisory 85, NWS Eureka, CA

August 20, 2021

NWS Eureka, CA issued this small craft advisory at Aug 20, 2021, 2:38 PM PDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Aug 20, 2021, 2:38 PM PDT (21:38 UTC)
Expired
Aug 20, 2021, 11:40 PM PDT
In force
9 hr
Issued by
NWS Eureka, CA

The text

As transmitted.

226 
WHUS76 KEKA 202138
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
238 PM PDT Fri Aug 20 2021

PZZ475-210545-
/O.CAN.KEKA.GL.W.0038.000000T0000Z-210820T2200Z/
/O.EXT.KEKA.SE.W.0046.210820T2138Z-210821T1800Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
238 PM PDT Fri Aug 20 2021

...HAZARDOUS SEAS WARNING NOW IN EFFECT UNTIL 11 AM PDT
SATURDAY...

* WHAT...Very steep and hazardous seas 9 to 13 feet. North winds
  20 to 30 kt with local gusts to 35 kt near Cape Mendocino this
  evening. 

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

* WHEN...Until 11 AM PDT Saturday.

* 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.

&&

$$

PZZ450-210545-
/O.CAN.KEKA.SE.W.0046.000000T0000Z-210821T0000Z/
/O.NEW.KEKA.SC.Y.0085.210820T2138Z-210822T0400Z/
Pt St George to Cape Mendocino out 10 nm-
238 PM PDT Fri Aug 20 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM PDT SATURDAY...

* WHAT...North winds 15 to 25 kt. Gusts over 35 kt near Pt St
  George this evening. Lighter winds adjacent Humboldt Bay. Steep
  seas 7 to 10 feet.

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

* WHEN...Until 9 PM PDT 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.

&&

$$

PZZ470-210545-
/O.EXT.KEKA.GL.W.0038.000000T0000Z-210821T0400Z/
/O.EXB.KEKA.SE.W.0046.210821T0400Z-210821T1600Z/
Pt St George to Cape Mendocino 10 to 60 nm-
238 PM PDT Fri Aug 20 2021

...GALE WARNING NOW IN EFFECT UNTIL 9 PM PDT THIS EVENING...
...HAZARDOUS SEAS WARNING IN EFFECT FROM 9 PM THIS EVENING TO
9 AM PDT SATURDAY...

* WHAT...For the Gale Warning, north winds 25 to 35 kt with 
  gusts up to 40 kt and seas 10 to 12 feet. For the Hazardous 
  Seas Warning, very steep and hazardous seas 8 to 11 feet 
  expected.

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

* WHEN...For the Gale Warning, until 9 PM PDT this evening. For 
  the Hazardous Seas Warning, from 9 PM this evening to 9 AM PDT 
  Saturday.

* 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.

&&

$$

PZZ455-210545-
/O.CON.KEKA.SC.Y.0084.000000T0000Z-210822T0000Z/
Cape Mendocino to Pt Arena out 10 nm-
238 PM PDT Fri Aug 20 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT
SATURDAY...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 35 kt and 
  seas 7 to 10 feet.

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

* WHEN...Until 5 PM PDT 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.

&&

$$
2 follow-up statements
460 
WHUS76 KEKA 210316
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
816 PM PDT Fri Aug 20 2021

PZZ470-210700-
/O.EXT.KEKA.GL.W.0038.000000T0000Z-210821T0700Z/
/O.CAN.KEKA.SE.W.0046.210821T0400Z-210821T1600Z/
Pt St George to Cape Mendocino 10 to 60 nm-
816 PM PDT Fri Aug 20 2021

...GALE WARNING NOW IN EFFECT UNTIL MIDNIGHT PDT TONIGHT...

* WHAT...North winds 20 to 30 kt with gusts up to 40 kt and seas 
  9 to 12 feet.

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

* WHEN...Until midnight PDT tonight.

* 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.

&&

$$

PZZ475-211130-
/O.EXT.KEKA.SE.W.0046.000000T0000Z-210821T1900Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
816 PM PDT Fri Aug 20 2021

...HAZARDOUS SEAS WARNING NOW IN EFFECT UNTIL NOON PDT SATURDAY...

* WHAT...Very steep and hazardous seas 9 to 12 feet.

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

* WHEN...Until noon PDT Saturday.

* 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.

&&

$$

PZZ455-211130-
/O.EXT.KEKA.SC.Y.0084.000000T0000Z-210822T0100Z/
Cape Mendocino to Pt Arena out 10 nm-
816 PM PDT Fri Aug 20 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 PM PDT SATURDAY...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 35 kt and 
  seas 6 to 10 feet.

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

* WHEN...Until 6 PM PDT Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ450-211130-
/O.CON.KEKA.SC.Y.0085.000000T0000Z-210822T0400Z/
Pt St George to Cape Mendocino out 10 nm-
816 PM PDT Fri Aug 20 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT
SATURDAY...

* WHAT...North winds 15 to 25 kt with gusts up to 35 kt and seas 7
  to 11 feet.

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

* WHEN...Until 9 PM PDT Saturday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
890 
WHUS76 KEKA 210640
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
1140 PM PDT Fri Aug 20 2021

PZZ470-211445-
/O.CAN.KEKA.GL.W.0038.000000T0000Z-210821T0700Z/
/O.EXB.KEKA.SE.W.0046.000000T0000Z-210821T1800Z/
Pt St George to Cape Mendocino 10 to 60 nm-
1140 PM PDT Fri Aug 20 2021

...HAZARDOUS SEAS WARNING IN EFFECT UNTIL 11 AM PDT SATURDAY...
...GALE WARNING IS CANCELLED...

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

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

* WHEN...Until 11 AM PDT Saturday.

* 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.

&&

$$

PZZ450-211445-
/O.UPG.KEKA.SC.Y.0085.000000T0000Z-210822T0400Z/
/O.EXB.KEKA.SE.W.0046.000000T0000Z-210821T1800Z/
Pt St George to Cape Mendocino out 10 nm-
1140 PM PDT Fri Aug 20 2021

...HAZARDOUS SEAS WARNING IN EFFECT UNTIL 11 AM PDT SATURDAY...

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

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

* WHEN...Until 11 AM PDT Saturday.

* 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.

&&

$$

PZZ475-211445-
/O.EXT.KEKA.SE.W.0046.000000T0000Z-210821T1800Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
1140 PM PDT Fri Aug 20 2021

...HAZARDOUS SEAS WARNING NOW IN EFFECT UNTIL 11 AM PDT
SATURDAY...

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

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

* WHEN...Until 11 AM PDT Saturday.

* 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.

&&

$$

PZZ455-211445-
/O.CON.KEKA.SC.Y.0084.000000T0000Z-210822T0100Z/
Cape Mendocino to Pt Arena out 10 nm-
1140 PM PDT Fri Aug 20 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM PDT
SATURDAY...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt and 
  seas 6 to 9 feet.

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

* WHEN...Until 6 PM PDT 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
Aug 20, 2:10 AM PDTHazardous Seas WarningEKA33 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.