Alert archive / California / Small Craft Advisories in 2021

Small Craft Advisory 48, NWS Eureka, CA

April 22, 2021

NWS Eureka, CA issued this small craft advisory at Apr 22, 2021, 8:44 AM PDT. It took effect at Apr 22, 2021, 9:00 AM PDT. It was in force for 27 hr.

The area

The counties it named.

The facts

Issued
Apr 22, 2021, 8:44 AM PDT (15:44 UTC)
In effect from
Apr 22, 2021, 9:00 AM PDT
Expired
Apr 23, 2021, 12:00 PM PDT
In force
27 hr
Issued by
NWS Eureka, CA

The text

As transmitted.

384 
WHUS76 KEKA 221544
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
844 AM PDT Thu Apr 22 2021

PZZ475-222345-
/O.CAN.KEKA.GL.W.0022.000000T0000Z-210422T1600Z/
/O.NEW.KEKA.SE.W.0029.210422T1600Z-210423T0100Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
844 AM PDT Thu Apr 22 2021

...HAZARDOUS SEAS WARNING IN EFFECT UNTIL 6 PM PDT THIS EVENING...
...GALE WARNING IS CANCELLED...

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

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

* WHEN...Until 6 PM PDT this evening.

* 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.

&&

$$

PZZ470-222345-
/O.CAN.KEKA.GL.W.0022.000000T0000Z-210422T1600Z/
/O.NEW.KEKA.SC.Y.0048.210422T1600Z-210423T1900Z/
Pt St George to Cape Mendocino 10 to 60 nm-
844 AM PDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON PDT FRIDAY...
...GALE WARNING IS CANCELLED...

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

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

* WHEN...Until noon PDT Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ450-222345-
/O.CAN.KEKA.SE.W.0028.000000T0000Z-210422T1600Z/
/O.NEW.KEKA.SC.Y.0048.210422T1600Z-210423T1700Z/
Pt St George to Cape Mendocino out 10 nm-
844 AM PDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM PDT FRIDAY...
...HAZARDOUS SEAS WARNING IS CANCELLED...

* WHAT...North winds 10 to 20 kt with gusts up to 35 kt and seas 
  5 to 8 feet expected.

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

* WHEN...Until 10 AM PDT Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ455-222345-
/O.CAN.KEKA.SE.W.0028.000000T0000Z-210422T1600Z/
/O.NEW.KEKA.SC.Y.0048.210422T1600Z-210423T1700Z/
Cape Mendocino to Pt Arena out 10 nm-
844 AM PDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM PDT FRIDAY...
...HAZARDOUS SEAS WARNING IS CANCELLED...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 35 kt and 
  seas 5 to 8 feet expected.

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

* WHEN...Until 10 AM PDT Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
5 follow-up statements
956 
WHUS76 KEKA 222155
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
255 PM PDT Thu Apr 22 2021

PZZ475-230100-
/O.CON.KEKA.SE.W.0029.000000T0000Z-210423T0100Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
255 PM PDT Thu Apr 22 2021

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 6 PM PDT THIS
EVENING...

* WHAT...Very steep and hazardous seas 9 to 11 feet.

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

* WHEN...Until 6 PM PDT this evening.

* 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.

&&

$$

PZZ450-230600-
/O.CON.KEKA.SC.Y.0048.000000T0000Z-210423T1700Z/
Pt St George to Cape Mendocino out 10 nm-
255 PM PDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM PDT
FRIDAY...

* WHAT...North winds 10 to 20 kt with gusts up to 35 kt and seas 
  5 to 8 feet.

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

* WHEN...Until 10 AM PDT Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ455-230600-
/O.CON.KEKA.SC.Y.0048.000000T0000Z-210423T1700Z/
Cape Mendocino to Pt Arena out 10 nm-
255 PM PDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM PDT
FRIDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 35 kt and 
  seas 6 to 9 feet.

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

* WHEN...Until 10 AM PDT Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ470-230600-
/O.CON.KEKA.SC.Y.0048.000000T0000Z-210423T1900Z/
Pt St George to Cape Mendocino 10 to 60 nm-
255 PM PDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON PDT FRIDAY...

* WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas 
  5 to 8 feet.

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

* WHEN...Until noon PDT Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
753 
WHUS76 KEKA 230233
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
733 PM PDT Thu Apr 22 2021

PZZ475-231000-
/O.NEW.KEKA.SE.W.0030.210423T0233Z-210423T1000Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
733 PM PDT Thu Apr 22 2021

...HAZARDOUS SEAS WARNING IN EFFECT UNTIL 3 AM PDT FRIDAY...

* WHAT...Very steep and hazardous seas 8 to 11 feet.

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

* WHEN...Until 3 AM PDT Friday.

* 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.

&&

$$

PZZ450-231045-
/O.CON.KEKA.SC.Y.0048.000000T0000Z-210423T1700Z/
Pt St George to Cape Mendocino out 10 nm-
733 PM PDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM PDT
FRIDAY...

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

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

* WHEN...Until 10 AM PDT Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ455-231045-
/O.CON.KEKA.SC.Y.0048.000000T0000Z-210423T1700Z/
Cape Mendocino to Pt Arena out 10 nm-
733 PM PDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM PDT
FRIDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 35 kt and 
  seas 6 to 9 feet.

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

* WHEN...Until 10 AM PDT Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ470-231045-
/O.CON.KEKA.SC.Y.0048.000000T0000Z-210423T1900Z/
Pt St George to Cape Mendocino 10 to 60 nm-
733 PM PDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON PDT FRIDAY...

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

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

* WHEN...Until noon PDT Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
674 
WHUS76 KEKA 230356
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
856 PM PDT Thu Apr 22 2021

PZZ475-231000-
/O.CON.KEKA.SE.W.0030.000000T0000Z-210423T1000Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
856 PM PDT Thu Apr 22 2021

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 3 AM PDT
FRIDAY...

* WHAT...Very steep and hazardous seas 8 to 11 feet.

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

* WHEN...Until 3 AM PDT Friday.

* 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.

&&

$$

PZZ450-231200-
/O.CON.KEKA.SC.Y.0048.000000T0000Z-210423T1700Z/
Pt St George to Cape Mendocino out 10 nm-
856 PM PDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM PDT
FRIDAY...

* WHAT...North winds 5 to 15 kt with gusts up to 25 kt and seas 
  4 to 7 feet.

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

* WHEN...Until 10 AM PDT Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ455-231200-
/O.CON.KEKA.SC.Y.0048.000000T0000Z-210423T1700Z/
Cape Mendocino to Pt Arena out 10 nm-
856 PM PDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM PDT
FRIDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and 
  seas 5 to 8 feet.

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

* WHEN...Until 10 AM PDT Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ470-231200-
/O.CON.KEKA.SC.Y.0048.000000T0000Z-210423T1900Z/
Pt St George to Cape Mendocino 10 to 60 nm-
856 PM PDT Thu Apr 22 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON PDT FRIDAY...

* WHAT...North winds 10 to 20 kt with gusts up to 25 kt and seas 
  5 to 8 feet.

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

* WHEN...Until noon PDT Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
583 
WHUS76 KEKA 230941
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
241 AM PDT Fri Apr 23 2021

PZZ475-231745-
/O.EXP.KEKA.SE.W.0030.000000T0000Z-210423T1000Z/
/O.EXB.KEKA.SC.Y.0048.210423T1000Z-210423T1900Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
241 AM PDT Fri Apr 23 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON PDT TODAY...
...HAZARDOUS SEAS WARNING WILL EXPIRE AT 3 AM PDT EARLY THIS
MORNING...

* WHAT...Northwest winds 15 to 20 kt with gusts up to 30 kt and 
  seas 7 to 10 feet expected.

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

* WHEN...Until noon PDT today.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ450-231600-
/O.EXT.KEKA.SC.Y.0048.000000T0000Z-210423T1600Z/
Pt St George to Cape Mendocino out 10 nm-
241 AM PDT Fri Apr 23 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 AM PDT THIS
MORNING...

* WHAT...Seas 4 to 9 feet.

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

* WHEN...Until 9 AM PDT this morning.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ455-231600-
/O.EXT.KEKA.SC.Y.0048.000000T0000Z-210423T1600Z/
Cape Mendocino to Pt Arena out 10 nm-
241 AM PDT Fri Apr 23 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 AM PDT THIS
MORNING...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 25 kt and 
  seas 5 to 9 feet.

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

* WHEN...Until 9 AM PDT this morning.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ470-231745-
/O.CON.KEKA.SC.Y.0048.000000T0000Z-210423T1900Z/
Pt St George to Cape Mendocino 10 to 60 nm-
241 AM PDT Fri Apr 23 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON PDT TODAY...

* WHAT...North winds 10 to 20 kt and seas 5 to 9 feet.

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

* WHEN...Until noon PDT today.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
485 
WHUS76 KEKA 231605
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
905 AM PDT Fri Apr 23 2021

PZZ450-455-231715-
/O.EXP.KEKA.SC.Y.0048.000000T0000Z-210423T1600Z/
Pt St George to Cape Mendocino out 10 nm-
Cape Mendocino to Pt Arena out 10 nm-
905 AM PDT Fri Apr 23 2021

...SMALL CRAFT ADVISORY HAS EXPIRED...

Localized, gusty northerly winds will continue downwind of Cape 
Mendocino through early afternoon.

$$

PZZ470-231900-
/O.CON.KEKA.SC.Y.0048.000000T0000Z-210423T1900Z/
Pt St George to Cape Mendocino 10 to 60 nm-
905 AM PDT Fri Apr 23 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON TODAY...

* WHAT...Seas 4 to 7 feet.

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

* WHEN...Until noon today.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

$$

PZZ475-231900-
/O.CON.KEKA.SC.Y.0048.000000T0000Z-210423T1900Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
905 AM PDT Fri Apr 23 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON TODAY...

* WHAT...Northwest winds 10 to 20 kt with gusts to 25 kt and seas
  6 to 9 feet.

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

* WHEN...Until noon today.

* 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
Apr 22, 8:44 AM PDTHazardous Seas WarningEKA9 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.