Alert archive / California / Hazardous Seas Warnings in 2021

Hazardous Seas Warning 28, NWS Eureka, CA

April 20, 2021

NWS Eureka, CA issued this hazardous seas warning at Apr 20, 2021, 8:54 PM PDT. It took effect at Apr 20, 2021, 9:00 PM PDT. It was in force for 36 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
Apr 20, 2021, 8:54 PM PDT (03:54 UTC)
In effect from
Apr 20, 2021, 9:00 PM PDT
Expired
Apr 22, 2021, 8:44 AM PDT
In force
36 hr
Issued by
NWS Eureka, CA

The text

As transmitted.

479 
WHUS76 KEKA 210354
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
854 PM PDT Tue Apr 20 2021

PZZ455-211200-
/O.EXP.KEKA.GL.W.0022.000000T0000Z-210421T0400Z/
/O.NEW.KEKA.SE.W.0028.210421T0400Z-210421T1600Z/
Cape Mendocino to Pt Arena out 10 nm-
854 PM PDT Tue Apr 20 2021

...HAZARDOUS SEAS WARNING IN EFFECT UNTIL 9 AM PDT WEDNESDAY...

* WHAT...Very steep and hazardous seas 9 to 14 feet expected.

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

* WHEN...Until 9 AM PDT 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.

&&

$$

PZZ470-475-211200-
/O.CON.KEKA.GL.W.0022.000000T0000Z-210422T1000Z/
Pt St George to Cape Mendocino 10 to 60 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
854 PM PDT Tue Apr 20 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PDT THURSDAY...

* WHAT...North winds 25 to 30 kt with gusts up to 40 kt and seas 
  11 to 15 feet.

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

* WHEN...Until 3 AM PDT Thursday.

* 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.

&&

$$

PZZ450-211200-
/O.CON.KEKA.SC.Y.0047.000000T0000Z-210422T1000Z/
Pt St George to Cape Mendocino out 10 nm-
854 PM PDT Tue Apr 20 2021

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

* WHAT...North winds 20 to 30 kt with localized gusts up to 40 kt
  and seas 8 to 13 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.

&&

$$
7 follow-up statements
753 
WHUS76 KEKA 210914
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
214 AM PDT Wed Apr 21 2021

PZZ450-211715-
/O.UPG.KEKA.SC.Y.0047.000000T0000Z-210422T1000Z/
/O.EXB.KEKA.SE.W.0028.000000T0000Z-210421T2200Z/
Pt St George to Cape Mendocino out 10 nm-
214 AM PDT Wed Apr 21 2021

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

* WHAT...Very steep and hazardous seas 8 to 13 feet.

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

* WHEN...Until 3 PM PDT this afternoon.

* IMPACTS...Very steep and hazardous seas could capsize or cause 
  damage to vessels.

* ADDITIONAL DETAILS...North winds 20 to 30 kt, with localized
  gusts up to 40 knots around Pt St George. 

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.

&&

$$

PZZ455-211715-
/O.EXT.KEKA.SE.W.0028.000000T0000Z-210421T2200Z/
Cape Mendocino to Pt Arena out 10 nm-
214 AM PDT Wed Apr 21 2021

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

* WHAT...Very steep and hazardous seas 8 to 13 feet.

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

* WHEN...Until 3 PM PDT this afternoon.

* IMPACTS...Very steep and hazardous seas could capsize or cause 
  damage to vessels.

* ADDITIONAL DETAILS...North winds 20 to 30 kt, with localized
  gusts up to 40 knots around Cape Mendocino. 

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.

&&

$$

PZZ470-475-211715-
/O.CON.KEKA.GL.W.0022.000000T0000Z-210422T1000Z/
Pt St George to Cape Mendocino 10 to 60 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
214 AM PDT Wed Apr 21 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PDT THURSDAY...

* WHAT...North winds 25 to 30 kt with gusts up to 40 kt and seas
  11 to 15 feet.

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

* WHEN...Until 3 AM PDT Thursday.

* 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.

&&

$$
980 
WHUS76 KEKA 211520
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
820 AM PDT Wed Apr 21 2021

PZZ470-475-212330-
/O.CON.KEKA.GL.W.0022.000000T0000Z-210422T1000Z/
Pt St George to Cape Mendocino 10 to 60 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
820 AM PDT Wed Apr 21 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PDT THURSDAY...

* WHAT...North winds 25 to 30 kt with gusts up to 40 kt and seas 
  11 to 13 feet.

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

* WHEN...Until 3 AM PDT Thursday.

* 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.

&&

$$

PZZ455-212200-
/O.CON.KEKA.SE.W.0028.000000T0000Z-210421T2200Z/
Cape Mendocino to Pt Arena out 10 nm-
820 AM PDT Wed Apr 21 2021

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

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

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

* WHEN...Until 3 PM PDT 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.

&&

$$

PZZ450-212200-
/O.CON.KEKA.SE.W.0028.000000T0000Z-210421T2200Z/
Pt St George to Cape Mendocino out 10 nm-
820 AM PDT Wed Apr 21 2021

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

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

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

* WHEN...Until 3 PM PDT 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.

&&

$$
537 
WHUS76 KEKA 212148
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
248 PM PDT Wed Apr 21 2021

PZZ455-220600-
/O.EXT.KEKA.SE.W.0028.000000T0000Z-210422T0800Z/
Cape Mendocino to Pt Arena out 10 nm-
248 PM PDT Wed Apr 21 2021

...HAZARDOUS SEAS WARNING NOW IN EFFECT UNTIL 1 AM PDT THURSDAY...

* WHAT...Very steep and hazardous seas 7 to 11 feet.

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

* WHEN...Until 1 AM PDT Thursday.

* 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.

&&

$$

PZZ450-220600-
/O.EXT.KEKA.SE.W.0028.000000T0000Z-210422T0800Z/
Pt St George to Cape Mendocino out 10 nm-
248 PM PDT Wed Apr 21 2021

...HAZARDOUS SEAS WARNING NOW IN EFFECT UNTIL 1 AM PDT THURSDAY...

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

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

* WHEN...Until 1 AM PDT Thursday.

* 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.

&&

$$

PZZ470-475-220600-
/O.CON.KEKA.GL.W.0022.000000T0000Z-210422T1000Z/
Pt St George to Cape Mendocino 10 to 60 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
248 PM PDT Wed Apr 21 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PDT THURSDAY...

* WHAT...North winds 25 to 30 kt with gusts up to 40 kt and seas 
  11 to 13 feet.

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

* WHEN...Until 3 AM PDT Thursday.

* 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.

&&

$$
151 
WHUS76 KEKA 220326
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
826 PM PDT Wed Apr 21 2021

PZZ470-475-221000-
/O.CON.KEKA.GL.W.0022.000000T0000Z-210422T1000Z/
Pt St George to Cape Mendocino 10 to 60 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
826 PM PDT Wed Apr 21 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PDT THURSDAY...

* WHAT...North winds 25 to 30 kt with gusts up to 40 kt and seas 
  11 to 13 feet.

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

* WHEN...Until 3 AM PDT Thursday.

* 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.

&&

$$

PZZ455-220800-
/O.CON.KEKA.SE.W.0028.000000T0000Z-210422T0800Z/
Cape Mendocino to Pt Arena out 10 nm-
826 PM PDT Wed Apr 21 2021

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 1 AM PDT
THURSDAY...

* WHAT...Very steep and hazardous seas 7 to 11 feet.

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

* WHEN...Until 1 AM PDT Thursday.

* 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.

&&

$$

PZZ450-220800-
/O.CON.KEKA.SE.W.0028.000000T0000Z-210422T0800Z/
Pt St George to Cape Mendocino out 10 nm-
826 PM PDT Wed Apr 21 2021

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 1 AM PDT
THURSDAY...

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

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

* WHEN...Until 1 AM PDT Thursday.

* 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.

&&

$$
085 
WHUS76 KEKA 220611
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
1111 PM PDT Wed Apr 21 2021

PZZ470-475-221415-
/O.EXT.KEKA.GL.W.0022.000000T0000Z-210422T1600Z/
Pt St George to Cape Mendocino 10 to 60 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
1111 PM PDT Wed Apr 21 2021

...GALE WARNING NOW IN EFFECT UNTIL 9 AM PDT THURSDAY...

* WHAT...North winds 25 to 30 kt with gusts up to 40 kt and seas 
  10 to 13 feet.

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

* WHEN...Until 9 AM PDT Thursday.

* 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.

&&

$$

PZZ455-221415-
/O.EXT.KEKA.SE.W.0028.000000T0000Z-210422T1600Z/
Cape Mendocino to Pt Arena out 10 nm-
1111 PM PDT Wed Apr 21 2021

...HAZARDOUS SEAS WARNING NOW IN EFFECT UNTIL 9 AM PDT THURSDAY...

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

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

* WHEN...Until 9 AM PDT Thursday.

* IMPACTS...Very steep and hazardous seas could capsize or cause 
  damage to vessels.

* ADDITIONAL DETAILS...North winds 20 to 30 kt, with localized
  gusts up to 40 knots around Cape Mendocino.

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.

&&

$$

PZZ450-221415-
/O.EXT.KEKA.SE.W.0028.000000T0000Z-210422T1600Z/
Pt St George to Cape Mendocino out 10 nm-
1111 PM PDT Wed Apr 21 2021

...HAZARDOUS SEAS WARNING NOW IN EFFECT UNTIL 9 AM PDT THURSDAY...

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

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

* WHEN...Until 9 AM PDT Thursday.

* IMPACTS...Very steep and hazardous seas could capsize or cause 
  damage to vessels.

* ADDITIONAL DETAILS...North winds 20 to 30 kt, with localized
  gusts up to 40 knots around Pt St George and Cape Mendocino. 

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.

&&

$$
793 
WHUS76 KEKA 220935
MWWEKA

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

PZZ470-475-221600-
/O.CON.KEKA.GL.W.0022.000000T0000Z-210422T1600Z/
Pt St George to Cape Mendocino 10 to 60 nm-
Cape Mendocino to Pt Arena 10 to 60 nm-
235 AM PDT Thu Apr 22 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 9 AM PDT THIS MORNING...

* WHAT...North winds 25 to 30 kt with gusts up to 35 kt and seas 
  10 to 13 feet.

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

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

* 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.

&&

$$

PZZ455-221600-
/O.CON.KEKA.SE.W.0028.000000T0000Z-210422T1600Z/
Cape Mendocino to Pt Arena out 10 nm-
235 AM PDT Thu Apr 22 2021

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

* WHAT...Very steep and hazardous seas 6 to 12 feet.

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

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

* IMPACTS...Very steep and hazardous seas could capsize or cause 
  damage to vessels.

* ADDITIONAL DETAILS...North winds 20 to 25 kt, with localized 
  gusts up to 40 knots around Cape Mendocino through mid-morning 
  today.

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.

&&

$$

PZZ450-221600-
/O.CON.KEKA.SE.W.0028.000000T0000Z-210422T1600Z/
Pt St George to Cape Mendocino out 10 nm-
235 AM PDT Thu Apr 22 2021

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

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

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

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

* IMPACTS...Very steep and hazardous seas could capsize or cause 
  damage to vessels.

* ADDITIONAL DETAILS...North winds 20 to 30 kt, with localized
  gusts up to 40 knots around Pt St George and Cape Mendocino
  through mid-morning today.

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.

&&

$$
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.

&&

$$

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.