419
WHUS76 KEKA 170445
MWWEKA
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
845 PM PST TUE DEC 16 2025
PZZ470-171245-
/O.EXT.KEKA.SC.Y.0137.000000T0000Z-251218T1400Z/
/O.CAN.KEKA.SC.Y.0136.251218T0200Z-251218T1400Z/
/O.EXT.KEKA.GL.A.0043.251218T1400Z-251219T1700Z/
PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM-
845 PM PST TUE DEC 16 2025
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 6 AM PST THURSDAY
...GALE WATCH NOW IN EFFECT FROM THURSDAY MORNING THROUGH FRIDAY
MORNING...
* WHAT...FOR THE SMALL CRAFT ADVISORY, WEST WINDS 15 TO 25 KT
WITH GUSTS UP TO 30 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.
PZZ450-171245-
/O.EXT.KEKA.SC.Y.0136.251217T0445Z-251219T0300Z/
/O.EXB.KEKA.GL.A.0043.251219T0300Z-251219T1700Z/
PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM-
845 PM PST TUE DEC 16 2025
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 PM PST THURSDAY
...GALE WATCH IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
MORNING...
* WHAT...FOR THE SMALL CRAFT ADVISORY, SOUTH WINDS 15 TO 25 KT
WITH GUSTS UP TO 35 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.
PZZ475-171245-
/O.CON.KEKA.SC.Y.0136.251218T0200Z-251218T1400Z/
CAPE MENDOCINO TO PT ARENA 10 TO 60 NM-
845 PM PST TUE DEC 16 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 6 PM WEDNESDAY 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 WEDNESDAY 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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