Alert archive / California / Small Craft Advisories in 2021

Small Craft Advisory 46, NWS Eureka, CA

April 14, 2021

NWS Eureka, CA issued this small craft advisory at Apr 14, 2021, 5:50 AM PDT. It took effect at Apr 14, 2021, 6:00 AM PDT. It was in force for 30 hr.

The area

The counties it named.

The facts

Issued
Apr 14, 2021, 5:50 AM PDT (12:50 UTC)
In effect from
Apr 14, 2021, 6:00 AM PDT
Expired
Apr 15, 2021, 12:00 PM PDT
In force
30 hr
Issued by
NWS Eureka, CA

The text

As transmitted.

661 
WHUS76 KEKA 141250
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
550 AM PDT Wed Apr 14 2021

PZZ450-141645-
/O.EXP.KEKA.SE.W.0027.000000T0000Z-210414T1300Z/
/O.NEW.KEKA.SC.Y.0046.210414T1300Z-210415T1000Z/
Pt St George to Cape Mendocino out 10 nm-
550 AM PDT Wed Apr 14 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM PDT THURSDAY...
...HAZARDOUS SEAS WARNING WILL EXPIRE AT 6 AM PDT EARLY THIS
MORNING...

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

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

* WHEN...Until 3 AM PDT 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.

&&

$$

PZZ455-141400-
/O.EXP.KEKA.SC.Y.0045.000000T0000Z-210414T1300Z/
Cape Mendocino to Pt Arena out 10 nm-
550 AM PDT Wed Apr 14 2021

...SMALL CRAFT ADVISORY WILL EXPIRE AT 6 AM PDT EARLY THIS
MORNING...

$$

PZZ470-141600-
/O.CON.KEKA.SE.W.0027.000000T0000Z-210414T1600Z/
Pt St George to Cape Mendocino 10 to 60 nm-
550 AM PDT Wed Apr 14 2021

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 9 AM PDT THIS
MORNING...

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

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

* WHEN...Until 9 AM PDT 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.

&&

$$

PZZ475-141600-
/O.CON.KEKA.SE.W.0027.000000T0000Z-210414T1600Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
550 AM PDT Wed Apr 14 2021

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 9 AM PDT THIS
MORNING...

* WHAT...Very steep and hazardous seas 8 to 12 feet.

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

* WHEN...Until 9 AM PDT 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.

&&

$$
5 follow-up statements
863 
WHUS76 KEKA 141553
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
853 AM PDT Wed Apr 14 2021

PZZ470-150000-
/O.EXP.KEKA.SE.W.0027.000000T0000Z-210414T1600Z/
/O.EXB.KEKA.SC.Y.0046.210414T1600Z-210415T1800Z/
Pt St George to Cape Mendocino 10 to 60 nm-
853 AM PDT Wed Apr 14 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM PDT THURSDAY...
...HAZARDOUS SEAS WARNING WILL EXPIRE AT 9 AM PDT THIS MORNING...

* WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas 
  7 to 10 feet expected.

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

* WHEN...Until 11 AM PDT 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.

&&

$$

PZZ475-150000-
/O.EXP.KEKA.SE.W.0027.000000T0000Z-210414T1600Z/
/O.EXB.KEKA.SC.Y.0046.210414T1600Z-210415T1800Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
853 AM PDT Wed Apr 14 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM PDT THURSDAY...
...HAZARDOUS SEAS WARNING WILL EXPIRE AT 9 AM PDT THIS MORNING...

* WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt and 
  seas 7 to 11 feet expected.

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

* WHEN...Until 11 AM PDT 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.

&&

$$

PZZ450-150000-
/O.CON.KEKA.SC.Y.0046.000000T0000Z-210415T1000Z/
Pt St George to Cape Mendocino out 10 nm-
853 AM PDT Wed Apr 14 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT
THURSDAY...

* WHAT...Northwest winds 5 to 15 kt with gusts up to 25 kt and 
  seas 6 to 8 feet.

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

* WHEN...Until 3 AM PDT 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.

&&

$$
650 
WHUS76 KEKA 142127
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
227 PM PDT Wed Apr 14 2021

PZZ450-150530-
/O.CON.KEKA.SC.Y.0046.000000T0000Z-210415T1000Z/
Pt St George to Cape Mendocino out 10 nm-
227 PM PDT Wed Apr 14 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT
THURSDAY...

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

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

* WHEN...Until 3 AM PDT 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.

&&

$$

PZZ470-475-150530-
/O.CON.KEKA.SC.Y.0046.000000T0000Z-210415T1800Z/
Pt St George to Cape Mendocino 10 to 60 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
227 PM PDT Wed Apr 14 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM PDT
THURSDAY...

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

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

* WHEN...Until 11 AM PDT 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.

&&

$$
887 
WHUS76 KEKA 150346
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
846 PM PDT Wed Apr 14 2021

PZZ450-151000-
/O.CON.KEKA.SC.Y.0046.000000T0000Z-210415T1000Z/
Pt St George to Cape Mendocino out 10 nm-
846 PM PDT Wed Apr 14 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT
THURSDAY...

* WHAT...Steep seas 5 to 7 feet.

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

* WHEN...Until 3 AM PDT 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.

&&

$$

PZZ470-475-151200-
/O.CON.KEKA.SC.Y.0046.000000T0000Z-210415T1800Z/
Pt St George to Cape Mendocino 10 to 60 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
846 PM PDT Wed Apr 14 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 AM PDT
THURSDAY...

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

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

* WHEN...Until 11 AM PDT 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.

&&

$$
052 
WHUS76 KEKA 150930
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
230 AM PDT Thu Apr 15 2021

PZZ450-151030-
/O.EXP.KEKA.SC.Y.0046.000000T0000Z-210415T1000Z/
Pt St George to Cape Mendocino out 10 nm-
230 AM PDT Thu Apr 15 2021

...SMALL CRAFT ADVISORY WILL EXPIRE AT 3 AM PDT EARLY THIS
MORNING...

$$

PZZ470-475-151730-
/O.EXT.KEKA.SC.Y.0046.000000T0000Z-210415T1900Z/
Pt St George to Cape Mendocino 10 to 60 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
230 AM PDT Thu Apr 15 2021

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

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

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

* WHEN...Until noon PDT 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.

&&

$$
759 
WHUS76 KEKA 151600
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
900 AM PDT Thu Apr 15 2021

PZZ470-475-151900-
/O.CON.KEKA.SC.Y.0046.000000T0000Z-210415T1900Z/
Pt St George to Cape Mendocino 10 to 60 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
900 AM PDT Thu Apr 15 2021

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

* WHAT...North winds 5 to 15 kt and seas 5 to 8 feet.

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

* WHEN...Until noon PDT 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 13, 8:13 PM PDTSmall Craft AdvisoryEKA10 hr
Apr 14, 2:50 PM PDTFrost AdvisoryEKADel Norte, Humboldt, Lake, Mendocino, Trinity18 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.