Alert archive / California / Hazardous Seas Warnings in 2021

Hazardous Seas Warning 38, NWS Eureka, CA

May 28, 2021

NWS Eureka, CA issued this hazardous seas warning at May 28, 2021, 2:16 AM PDT. It took effect at May 28, 2021, 9:00 PM PDT. It was in force for 27 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
May 28, 2021, 2:16 AM PDT (09:16 UTC)
In effect from
May 28, 2021, 9:00 PM PDT
Expired
May 30, 2021, 12:00 AM PDT
In force
27 hr
Issued by
NWS Eureka, CA

The text

As transmitted.

556 
WHUS76 KEKA 280916
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
216 AM PDT Fri May 28 2021

PZZ470-281730-
/O.EXT.KEKA.SC.Y.0062.210528T1000Z-210529T0400Z/
/O.UPG.KEKA.SE.A.0007.210529T1000Z-210529T2200Z/
/O.NEW.KEKA.SE.W.0038.210529T0400Z-210529T2200Z/
Pt St George to Cape Mendocino 10 to 60 nm-
216 AM PDT Fri May 28 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 PM PDT THIS
EVENING...
...HAZARDOUS SEAS WARNING IN EFFECT FROM 9 PM THIS EVENING TO
3 PM PDT SATURDAY...

* WHAT...For the Hazardous Seas Warning, very steep and 
  hazardous seas 8 to 12 feet expected. For the Small Craft 
  Advisory, north winds 20 to 30 kt with gusts up to 35 kt and 
  seas 8 to 12 feet expected.

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

* WHEN...For the Hazardous Seas Warning, from 9 PM this evening 
  to 3 PM PDT Saturday. For the Small Craft Advisory, until 9 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.

&&

$$

PZZ475-281730-
/O.CON.KEKA.SC.Y.0062.000000T0000Z-210529T1000Z/
/O.UPG.KEKA.SE.A.0007.210529T1000Z-210530T0700Z/
/O.NEW.KEKA.SE.W.0038.210529T1000Z-210530T0700Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
216 AM PDT Fri May 28 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT
SATURDAY...
...HAZARDOUS SEAS WARNING IN EFFECT FROM 3 AM SATURDAY TO
MIDNIGHT PDT SATURDAY NIGHT...

* WHAT...For the Hazardous Seas Warning, very steep and hazardous
  seas 9 to 11 feet expected. For the Small Craft Advisory, north
  winds 20 to 30 kt with localized gusts up to 35 kt and seas 8 
  to 10 feet.

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

* WHEN...For the Hazardous Seas Warning, from 3 AM Saturday to 
  midnight PDT Saturday night. For the Small Craft Advisory, 
  until 3 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.

&&

$$

PZZ450-281730-
/O.EXB.KEKA.SC.Y.0062.210529T0400Z-210529T1600Z/
Pt St George to Cape Mendocino out 10 nm-
216 AM PDT Fri May 28 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 9 AM
PDT SATURDAY...

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

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

* WHEN...From 9 PM this evening to 9 AM 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.

&&

$$

PZZ455-281730-
/O.CON.KEKA.SC.Y.0062.210528T1000Z-210530T0700Z/
Cape Mendocino to Pt Arena out 10 nm-
216 AM PDT Fri May 28 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT PDT
SATURDAY NIGHT...

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

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

* WHEN...Until midnight PDT Saturday night.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
8 follow-up statements
780 
WHUS76 KEKA 281542
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
842 AM PDT Fri May 28 2021

PZZ470-282345-
/O.CON.KEKA.SC.Y.0062.000000T0000Z-210529T0400Z/
/O.CON.KEKA.SE.W.0038.210529T0400Z-210529T2200Z/
Pt St George to Cape Mendocino 10 to 60 nm-
842 AM PDT Fri May 28 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM THIS EVENING...
...HAZARDOUS SEAS WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING 
TO 3 PM SATURDAY...

* WHAT...For the Hazardous Seas Warning, very steep and hazardous
  seas 9 to 12 feet expected. For the Small Craft Advisory, north
  winds 20 to 30 kt with occasional gusts to 35 kt and seas 8 to 11 
  feet.

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

* WHEN...For the Hazardous Seas Warning, from 9 PM this evening to 3
  PM Saturday. For the Small Craft Advisory, until 9 PM 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.

$$

PZZ475-282345-
/O.CON.KEKA.SC.Y.0062.000000T0000Z-210529T1000Z/
/O.CON.KEKA.SE.W.0038.210529T1000Z-210530T0700Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
842 AM PDT Fri May 28 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM SATURDAY... 
...HAZARDOUS SEAS WARNING REMAINS IN EFFECT FROM 3 AM SATURDAY TO 
MIDNIGHT SATURDAY NIGHT...

* WHAT...For the Hazardous Seas Warning, very steep and hazardous
  seas 9 to 11 feet expected. For the Small Craft Advisory, north
  winds 20 to 25 kt with gusts to 30 kt and seas 8 to 10 feet.

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

* WHEN...For the Hazardous Seas Warning, from 3 AM Saturday to
  midnight Saturday night. For the Small Craft Advisory, until 3 AM  
  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.

$$

PZZ450-282345-
/O.CON.KEKA.SC.Y.0062.210529T0400Z-210529T1600Z/
Pt St George to Cape Mendocino out 10 nm-
842 AM PDT Fri May 28 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING
TO 9 AM SATURDAY...

* WHAT...Seas 6 to 9 feet expected.

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

* WHEN...From 9 PM this evening to 9 AM 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.

$$

PZZ455-282345-
/O.CON.KEKA.SC.Y.0062.000000T0000Z-210530T0700Z/
Cape Mendocino to Pt Arena out 10 nm-
842 AM PDT Fri May 28 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT SATURDAY 
NIGHT...

* WHAT...Northwest winds 15 to 25 kt with occasional gusts to 35 kt 
  and seas 7 to 9 feet.

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

* WHEN...Until midnight Saturday night.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

$$
965 
WHUS76 KEKA 282102
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
202 PM PDT Fri May 28 2021

PZZ470-290515-
/O.CON.KEKA.SC.Y.0062.000000T0000Z-210529T0400Z/
/O.CON.KEKA.SE.W.0038.210529T0400Z-210529T2200Z/
Pt St George to Cape Mendocino 10 to 60 nm-
202 PM PDT Fri May 28 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM THIS EVENING...
...HAZARDOUS SEAS WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING 
TO 3 PM SATURDAY...

* WHAT...For the Hazardous Seas Warning, very steep and hazardous
  seas 9 to 12 feet expected. For the Small Craft Advisory, north
  winds 20 to 30 kt with occasional gusts to 35 kt and seas 8 to 11 
  feet.

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

* WHEN...For the Hazardous Seas Warning, from 9 PM this evening to 3
  PM Saturday. For the Small Craft Advisory, until 9 PM 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.

$$

PZZ475-290515-
/O.CON.KEKA.SC.Y.0062.000000T0000Z-210529T1000Z/
/O.CON.KEKA.SE.W.0038.210529T1000Z-210530T0700Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
202 PM PDT Fri May 28 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM SATURDAY... 
...HAZARDOUS SEAS WARNING REMAINS IN EFFECT FROM 3 AM SATURDAY TO 
MIDNIGHT SATURDAY NIGHT...

* WHAT...For the Hazardous Seas Warning, very steep and hazardous
  seas 10 to 12 feet expected. For the Small Craft Advisory,
  northwest winds 20 to 25 kt with occasional gusts to 35 kt and 
  seas 8 to 11 feet.

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

* WHEN...For the Hazardous Seas Warning, from 3 AM Saturday to
  midnight Saturday night. For the Small Craft Advisory, until 3 AM 
  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.

$$

PZZ450-290515-
/O.EXT.KEKA.SC.Y.0062.210528T2200Z-210529T1600Z/
Pt St George to Cape Mendocino out 10 nm-
202 PM PDT Fri May 28 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 AM SATURDAY...

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

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

* WHEN...Until 9 AM 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.

$$

PZZ455-290515-
/O.EXT.KEKA.SC.Y.0062.000000T0000Z-210531T0700Z/
Cape Mendocino to Pt Arena out 10 nm-
202 PM PDT Fri May 28 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL MIDNIGHT SUNDAY NIGHT...

* WHAT...Northwest winds 15 to 25 kt with occasional gusts to 35 kt 
  and seas 7 to 10 feet.

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

* WHEN...Until midnight Sunday night.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

$$
193 
WHUS76 KEKA 290347
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
847 PM PDT Fri May 28 2021

PZZ470-291200-
/O.EXP.KEKA.SC.Y.0062.000000T0000Z-210529T0400Z/
/O.CON.KEKA.SE.W.0038.210529T0400Z-210529T2200Z/
Pt St George to Cape Mendocino 10 to 60 nm-
847 PM PDT Fri May 28 2021

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 3 PM PDT
SATURDAY...
...SMALL CRAFT ADVISORY WILL EXPIRE AT 9 PM PDT THIS EVENING...

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

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

* WHEN...Until 3 PM 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.

&&

$$

PZZ475-291200-
/O.CON.KEKA.SC.Y.0062.000000T0000Z-210529T1000Z/
/O.CON.KEKA.SE.W.0038.210529T1000Z-210530T0700Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
847 PM PDT Fri May 28 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT
SATURDAY...
...HAZARDOUS SEAS WARNING REMAINS IN EFFECT FROM 3 AM SATURDAY TO
MIDNIGHT PDT SATURDAY NIGHT...

* WHAT...For the Hazardous Seas Warning, very steep and 
  hazardous seas 10 to 13 feet expected. For the Small Craft 
  Advisory, northwest winds 20 to 25 kt with gusts up to 35 kt 
  and seas around 10 feet.

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

* WHEN...For the Hazardous Seas Warning, from 3 AM Saturday to 
  midnight PDT Saturday night. For the Small Craft Advisory, 
  until 3 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.

&&

$$

PZZ450-291200-
/O.CON.KEKA.SC.Y.0062.000000T0000Z-210529T1600Z/
Pt St George to Cape Mendocino out 10 nm-
847 PM PDT Fri May 28 2021

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

* WHAT...Seas 7 to 11 feet.

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

* WHEN...Until 9 AM 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.

&&

$$

PZZ455-291200-
/O.CON.KEKA.SC.Y.0062.000000T0000Z-210531T0700Z/
Cape Mendocino to Pt Arena out 10 nm-
847 PM PDT Fri May 28 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT PDT
SUNDAY NIGHT...

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

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

* WHEN...Until midnight PDT Sunday night.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
581 
WHUS76 KEKA 290943
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
243 AM PDT Sat May 29 2021

PZZ475-291745-
/O.EXP.KEKA.SC.Y.0062.000000T0000Z-210529T1000Z/
/O.CON.KEKA.SE.W.0038.210529T1000Z-210530T0700Z/
/O.NEW.KEKA.GL.A.0023.210530T2200Z-210531T1000Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
243 AM PDT Sat May 29 2021

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PDT
TONIGHT...
...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY
NIGHT...

* WHAT...For the Hazardous Seas Warning, very steep and 
  hazardous seas 10 to 12 feet expected. For the Gale Watch, 
  northwest winds 25 to 30 kt with gusts up to 40 kt and seas 8 
  to 10 feet possible.

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

* WHEN...For the Hazardous Seas Warning, until midnight PDT 
  tonight. For the Gale Watch, from Sunday afternoon through 
  late Sunday night.

* IMPACTS...Strong winds can cause hazardous seas which could
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should consider altering plans to avoid possible
hazardous conditions.  Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and seas.

&&

$$

PZZ455-291745-
/O.EXT.KEKA.SC.Y.0062.000000T0000Z-210529T2200Z/
/O.NEW.KEKA.GL.W.0030.210529T2200Z-210530T1000Z/
Cape Mendocino to Pt Arena out 10 nm-
243 AM PDT Sat May 29 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 PM PDT THIS
AFTERNOON...
...GALE WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO 3 AM PDT
SUNDAY...

* WHAT...For the Gale Warning, northwest winds 20 to 30 kt with 
  gusts up to 40 kt and seas 7 to 11 feet expected. For the 
  Small Craft Advisory, northwest winds 15 to 25 kt with gusts 
  up to 30 kt and seas 7 to 9 feet.

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

* WHEN...For the Gale Warning, from 3 PM this afternoon to 3 AM 
  PDT Sunday. For the Small Craft Advisory, until 3 PM PDT this 
  afternoon.

* 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.

&&

$$

PZZ470-291745-
/O.CON.KEKA.SE.W.0038.000000T0000Z-210529T2200Z/
/O.NEW.KEKA.GL.A.0023.210530T2200Z-210531T1000Z/
Pt St George to Cape Mendocino 10 to 60 nm-
243 AM PDT Sat May 29 2021

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 3 PM PDT THIS
AFTERNOON...
...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE SUNDAY
NIGHT...

* WHAT...For the Hazardous Seas Warning, very steep and 
  hazardous seas 8 to 12 feet. For the Gale Watch, north winds 
  20 to 30 kt with gusts up to 40 kt and seas 7 to 9 feet 
  possible.

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

* WHEN...For the Hazardous Seas Warning, until 3 PM PDT this 
  afternoon. For the Gale Watch, from Sunday afternoon through 
  late Sunday night.

* IMPACTS...Strong winds can cause hazardous seas which could
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should consider altering plans to avoid possible
hazardous conditions.  Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and seas.

&&

$$

PZZ450-291600-
/O.CON.KEKA.SC.Y.0062.000000T0000Z-210529T1600Z/
Pt St George to Cape Mendocino out 10 nm-
243 AM PDT Sat May 29 2021

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

* WHAT...Seas 6 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 craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
914 
WHUS76 KEKA 291555
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
855 AM PDT Sat May 29 2021

PZZ450-300000-
/O.EXP.KEKA.SC.Y.0062.000000T0000Z-210529T1600Z/
/O.NEW.KEKA.SC.Y.0063.210530T0000Z-210530T1600Z/
Pt St George to Cape Mendocino out 10 nm-
855 AM PDT Sat May 29 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO
9 AM PDT SUNDAY...
...SMALL CRAFT ADVISORY WILL EXPIRE AT 9 AM PDT THIS MORNING...

* WHAT...North winds 5 to 15 kt with gusts up to 30 kt and steep seas
  5 to 7 feet expected.

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

* WHEN...From 5 PM this afternoon to 9 AM PDT Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

PZZ455-300000-
/O.CON.KEKA.SC.Y.0062.000000T0000Z-210529T2200Z/
/O.CON.KEKA.GL.W.0030.210529T2200Z-210530T1000Z/
Cape Mendocino to Pt Arena out 10 nm-
855 AM PDT Sat May 29 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT THIS
AFTERNOON...
...GALE WARNING REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO
3 AM PDT SUNDAY...

* WHAT...For the Gale Warning, northwest winds 20 to 30 kt with 
  gusts up to 40 kt and seas 7 to 11 feet expected. For the 
  Small Craft Advisory, northwest winds 15 to 25 kt with gusts 
  up to 35 kt and seas 7 to 9 feet.

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

* WHEN...For the Gale Warning, from 3 PM this afternoon to 3 AM 
  PDT Sunday. For the Small Craft Advisory, until 3 PM PDT this 
  afternoon.

* 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.

&&

$$

PZZ470-300000-
/O.CON.KEKA.SE.W.0038.000000T0000Z-210529T2200Z/
/O.CON.KEKA.GL.A.0023.210530T2200Z-210531T1000Z/
Pt St George to Cape Mendocino 10 to 60 nm-
855 AM PDT Sat May 29 2021

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL 3 PM PDT THIS
AFTERNOON...
...GALE WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH
LATE SUNDAY NIGHT...

* WHAT...For the Hazardous Seas Warning, very steep and 
  hazardous seas 8 to 11 feet. For the Gale Watch, north winds 
  20 to 30 kt with gusts up to 40 kt and seas 7 to 9 feet 
  possible.

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

* WHEN...For the Hazardous Seas Warning, until 3 PM PDT this 
  afternoon. For the Gale Watch, from Sunday afternoon through 
  late Sunday night.

* IMPACTS...Strong winds can cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should consider altering plans to avoid possible
hazardous conditions.  Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and seas.

&&

$$

PZZ475-300000-
/O.CON.KEKA.SE.W.0038.000000T0000Z-210530T0700Z/
/O.CON.KEKA.GL.A.0023.210530T2200Z-210531T1000Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
855 AM PDT Sat May 29 2021

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PDT
TONIGHT...
...GALE WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH
LATE SUNDAY NIGHT...

* WHAT...For the Hazardous Seas Warning, very steep and 
  hazardous seas 10 to 12 feet. For the Gale Watch, northwest 
  winds 25 to 30 kt with gusts up to 40 kt and seas 8 to 10 feet 
  possible.

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

* WHEN...For the Hazardous Seas Warning, until midnight PDT 
  tonight. For the Gale Watch, from Sunday afternoon through 
  late Sunday night.

* IMPACTS...Strong winds can cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should consider altering plans to avoid possible
hazardous conditions.  Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and seas.

&&

$$
361 
WHUS76 KEKA 292149
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
249 PM PDT Sat May 29 2021

PZZ470-300600-
/O.EXP.KEKA.SE.W.0038.000000T0000Z-210529T2200Z/
/O.EXB.KEKA.SC.Y.0063.210529T2200Z-210530T2200Z/
/O.CON.KEKA.GL.A.0023.210530T2200Z-210531T1000Z/
Pt St George to Cape Mendocino 10 to 60 nm-
249 PM PDT Sat May 29 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM PDT SUNDAY...
...GALE WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH
LATE SUNDAY NIGHT...
...HAZARDOUS SEAS WARNING WILL EXPIRE AT 3 PM PDT THIS
AFTERNOON...

* WHAT...For the Small Craft Advisory, north winds 15 to 25 kt 
  with gusts up to 30 kt and seas 7 to 10 feet expected. For the 
  Gale Watch, north winds 20 to 30 kt with gusts up to 40 kt and 
  seas 7 to 9 feet possible.

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

* WHEN...For the Small Craft Advisory, until 3 PM PDT Sunday. 
  For the Gale Watch, from Sunday afternoon through late Sunday 
  night.

* IMPACTS...Strong winds can cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should consider altering plans to avoid possible
hazardous conditions.  Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and seas.

&&

$$

PZZ455-300600-
/O.EXP.KEKA.SC.Y.0062.000000T0000Z-210529T2200Z/
/O.CON.KEKA.GL.W.0030.210529T2200Z-210530T1000Z/
Cape Mendocino to Pt Arena out 10 nm-
249 PM PDT Sat May 29 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PDT SUNDAY...
...SMALL CRAFT ADVISORY WILL EXPIRE AT 3 PM PDT THIS AFTERNOON...

* WHAT...Northwest winds 20 to 30 kt with gusts up to 40 kt and 
  seas 7 to 11 feet expected.

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

* WHEN...Until 3 AM PDT Sunday.

* 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.

&&

$$

PZZ475-300600-
/O.CON.KEKA.SE.W.0038.000000T0000Z-210530T0700Z/
/O.CON.KEKA.GL.A.0023.210530T2200Z-210531T1000Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
249 PM PDT Sat May 29 2021

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PDT
TONIGHT...
...GALE WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH
LATE SUNDAY NIGHT...

* WHAT...For the Hazardous Seas Warning, very steep and 
  hazardous seas 10 to 12 feet. For the Gale Watch, northwest 
  winds 25 to 30 kt with gusts up to 40 kt and seas 8 to 10 feet 
  possible.

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

* WHEN...For the Hazardous Seas Warning, until midnight PDT 
  tonight. For the Gale Watch, from Sunday afternoon through 
  late Sunday night.

* IMPACTS...Strong winds can cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should consider altering plans to avoid possible
hazardous conditions.  Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and seas.

&&

$$

PZZ450-300600-
/O.CON.KEKA.SC.Y.0063.210530T0000Z-210530T1600Z/
Pt St George to Cape Mendocino out 10 nm-
249 PM PDT Sat May 29 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PDT SUNDAY...

* WHAT...North winds 5 to 15 kt with gusts up to 30 kt and seas 
  5 to 7 feet expected.

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

* WHEN...Until 9 AM PDT Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
502 
WHUS76 KEKA 300331
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
831 PM PDT Sat May 29 2021

PZZ455-301000-
/O.CON.KEKA.GL.W.0030.000000T0000Z-210530T1000Z/
Cape Mendocino to Pt Arena out 10 nm-
831 PM PDT Sat May 29 2021

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

* WHAT...Northwest winds 20 to 30 kt with gusts up to 40 kt and 
  seas 7 to 12 feet.

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

* WHEN...Until 3 AM PDT Sunday.

* 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.

&&

$$

PZZ475-301145-
/O.CON.KEKA.SE.W.0038.000000T0000Z-210530T0700Z/
/O.CON.KEKA.GL.A.0023.210530T2200Z-210531T1000Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
831 PM PDT Sat May 29 2021

...HAZARDOUS SEAS WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PDT
TONIGHT...
...GALE WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH
LATE SUNDAY NIGHT...

* WHAT...For the Hazardous Seas Warning, very steep and 
  hazardous seas 9 to 12 feet. For the Gale Watch, northwest 
  winds 25 to 30 kt with gusts up to 40 kt and seas 8 to 11 feet 
  possible.

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

* WHEN...For the Hazardous Seas Warning, until midnight PDT 
  tonight. For the Gale Watch, from Sunday afternoon through 
  late Sunday night.

* IMPACTS...Strong winds can cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should consider altering plans to avoid possible
hazardous conditions.  Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and seas.

&&

$$

PZZ470-301145-
/O.CON.KEKA.SC.Y.0063.000000T0000Z-210530T2200Z/
/O.CON.KEKA.GL.A.0023.210530T2200Z-210531T1000Z/
Pt St George to Cape Mendocino 10 to 60 nm-
831 PM PDT Sat May 29 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT SUNDAY...
...GALE WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH
LATE SUNDAY NIGHT...

* WHAT...For the Small Craft Advisory, north winds 20 to 25 kt 
  with gusts up to 30 kt and seas 6 to 10 feet. For the Gale 
  Watch, north winds 20 to 30 kt with gusts up to 40 kt and seas 
  7 to 11 feet possible.

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

* WHEN...For the Small Craft Advisory, until 3 PM PDT Sunday. 
  For the Gale Watch, from Sunday afternoon through late Sunday 
  night.

* IMPACTS...Strong winds can cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should consider altering plans to avoid possible
hazardous conditions.  Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and seas.

&&

$$

PZZ450-301145-
/O.CON.KEKA.SC.Y.0063.000000T0000Z-210530T1600Z/
Pt St George to Cape Mendocino out 10 nm-
831 PM PDT Sat May 29 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PDT SUNDAY...

* WHAT...North winds 5 to 15 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 9 AM PDT Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
937 
WHUS76 KEKA 300650
MWWEKA

URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
1150 PM PDT Sat May 29 2021

PZZ475-301500-
/O.EXP.KEKA.SE.W.0038.000000T0000Z-210530T0700Z/
/O.EXB.KEKA.SC.Y.0063.210530T0700Z-210530T2200Z/
/O.CON.KEKA.GL.A.0023.210530T2200Z-210531T1000Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
1150 PM PDT Sat May 29 2021

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM PDT SUNDAY...
...GALE WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH
LATE SUNDAY NIGHT...

* WHAT...For the Small Craft Advisory, northwest winds 20 to 30 
  kt with gusts up to 40 kt and seas 8 to 11 feet expected. For 
  the Gale Watch, northwest winds 25 to 30 kt with gusts up to 
  40 kt and seas 8 to 10 feet possible.

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

* WHEN...For the Small Craft Advisory, until 3 PM PDT Sunday. 
  For the Gale Watch, from Sunday afternoon through late Sunday 
  night.

* IMPACTS...Strong winds can cause hazardous seas which could
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should consider altering plans to avoid possible
hazardous conditions.  Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and seas.

&&

$$

PZZ455-301000-
/O.CON.KEKA.GL.W.0030.000000T0000Z-210530T1000Z/
Cape Mendocino to Pt Arena out 10 nm-
1150 PM PDT Sat May 29 2021

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

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

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

* WHEN...Until 3 AM PDT Sunday.

* 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.

&&

$$

PZZ470-301500-
/O.CON.KEKA.SC.Y.0063.000000T0000Z-210530T2200Z/
/O.CON.KEKA.GL.A.0023.210530T2200Z-210531T1000Z/
Pt St George to Cape Mendocino 10 to 60 nm-
1150 PM PDT Sat May 29 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PDT SUNDAY...
...GALE WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH
LATE SUNDAY NIGHT...

* WHAT...For the Small Craft Advisory, north winds 20 to 25 kt 
  with gusts up to 30 kt and seas 6 to 9 feet. For the Gale 
  Watch, north winds 20 to 30 kt with gusts up to 40 kt and seas 
  7 to 9 feet possible.

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

* WHEN...For the Small Craft Advisory, until 3 PM PDT Sunday. 
  For the Gale Watch, from Sunday afternoon through late Sunday 
  night.

* IMPACTS...Strong winds can cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should consider altering plans to avoid possible
hazardous conditions.  Remain in port, seek safe harbor, alter
course, and/or secure the vessel for severe wind and seas.

&&

$$

PZZ450-301500-
/O.CON.KEKA.SC.Y.0063.000000T0000Z-210530T1600Z/
Pt St George to Cape Mendocino out 10 nm-
1150 PM PDT Sat May 29 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PDT SUNDAY...

* WHAT...North 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 9 AM PDT Sunday.

* 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
May 28, 2:16 PM PDTHeat AdvisoryEKALake, Mendocino, Trinity4 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.