855
WHUS76 KEKA 171103
MWWEKA
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
303 AM PST WED DEC 17 2025
PZZ450-171915-
/O.CON.KEKA.SC.Y.0136.000000T0000Z-251219T0300Z/
/O.CON.KEKA.GL.A.0043.251219T0300Z-251219T1700Z/
PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM-
303 AM PST WED DEC 17 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST
THURSDAY...
...GALE WATCH REMAINS IN EFFECT FROM THURSDAY EVENING THROUGH
FRIDAY MORNING...
* WHAT...FOR THE SMALL CRAFT ADVISORY, SOUTHEAST WINDS 15 TO 25 KT AND
SEAS 7 TO 12 FEET. FOR THE GALE WATCH, SOUTH WINDS 20 TO 30 KT
WITH GUSTS UP TO 40 KT AND SEAS 7 TO 12 FEET POSSIBLE.
* WHERE...PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM.
* WHEN...FOR THE SMALL CRAFT ADVISORY, UNTIL 7 PM PST THURSDAY.
FOR THE GALE WATCH, FROM THURSDAY EVENING THROUGH FRIDAY
MORNING.
* 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.
PZZ470-171915-
/O.CON.KEKA.SC.Y.0137.000000T0000Z-251218T1400Z/
/O.CON.KEKA.GL.A.0043.251218T1400Z-251219T1700Z/
PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM-
303 AM PST WED DEC 17 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM PST
THURSDAY...
...GALE WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH
FRIDAY MORNING...
* WHAT...FOR THE SMALL CRAFT ADVISORY, NORTH WINDS 10 TO 20 KT
AND SEAS 10 TO 13 FEET. FOR THE GALE WATCH, SOUTH WINDS 20 TO 30
KT WITH GUSTS UP TO 40 KT AND SEAS 9 TO 12 FEET POSSIBLE.
* WHERE...PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM.
* WHEN...FOR THE SMALL CRAFT ADVISORY, UNTIL 6 AM PST THURSDAY.
FOR THE GALE WATCH, FROM THURSDAY MORNING THROUGH FRIDAY
MORNING.
* 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.
PZZ475-171915-
/O.CON.KEKA.SC.Y.0136.251218T0200Z-251218T1400Z/
CAPE MENDOCINO TO PT ARENA 10 TO 60 NM-
303 AM PST WED DEC 17 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 6 AM PST THURSDAY...
* WHAT...SOUTH WINDS 5 TO 15 KT WITH GUSTS UP TO 25 KT AND SEAS
9 TO 11 FEET EXPECTED.
* WHERE...CAPE MENDOCINO TO PT ARENA 10 TO 60 NM.
* WHEN...FROM 6 PM THIS EVENING TO 6 AM PST 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.
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