800
WHUS76 KEKA 181112
MWWEKA
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
312 AM PST THU DEC 18 2025
PZZ475-181915-
/O.CAN.KEKA.SC.Y.0136.000000T0000Z-251218T1400Z/
/O.NEW.KEKA.SC.Y.0138.251219T0600Z-251219T1700Z/
CAPE MENDOCINO TO PT ARENA 10 TO 60 NM-
312 AM PST THU DEC 18 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 9 AM
PST FRIDAY...
* WHAT...SOUTH WINDS 15 TO 25 KT WITH GUSTS UP TO 35 KT AND SEAS
9 TO 12 FEET EXPECTED.
* WHERE...CAPE MENDOCINO TO PT ARENA 10 TO 60 NM.
* WHEN...FROM 10 PM THIS EVENING TO 9 AM PST 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.
PZZ450-181915-
/O.CON.KEKA.SC.Y.0136.000000T0000Z-251219T0300Z/
/O.CON.KEKA.GL.W.0057.251219T0300Z-251219T1700Z/
PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM-
312 AM PST THU DEC 18 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM PST THIS
EVENING...
...GALE WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 9 AM
PST FRIDAY...
* WHAT...FOR THE GALE WARNING, SOUTH WINDS 25 TO 35 KT WITH
GUSTS UP TO 45 KT AND SEAS 8 TO 13 FEET EXPECTED. FOR THE
SMALL CRAFT ADVISORY, SOUTH WINDS 15 TO 25 KT WITH GUSTS UP TO
40 KT AND SEAS 7 TO 11 FEET.
* WHERE...PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM.
* WHEN...FOR THE GALE WARNING, FROM 7 PM THIS EVENING TO 9 AM
PST FRIDAY. FOR THE SMALL CRAFT ADVISORY, UNTIL 7 PM PST THIS
EVENING.
* 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.
PZZ470-181915-
/O.CON.KEKA.SC.Y.0137.000000T0000Z-251218T1400Z/
/O.CON.KEKA.GL.W.0057.251218T1400Z-251219T1700Z/
PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM-
312 AM PST THU DEC 18 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM PST EARLY
THIS MORNING...
..GALE WARNING REMAINS IN EFFECT UNTIL 9 AM PST FRIDAY
* WHAT...FOR THE GALE WARNING, SOUTH WINDS 25 TO 35 KT WITH
GUSTS UP TO 50 KT AND SEAS 10 TO 14 FEET EXPECTED. FOR THE
SMALL CRAFT ADVISORY, SOUTH WINDS 20 TO 30 KT WITH GUSTS UP TO
40 KT AND SEAS 9 TO 11 FEET.
* WHERE...PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM.
* WHEN...FOR THE GALE WARNING, UNTIL 9 AM PST FRIDAY. FOR THE
SMALL CRAFT ADVISORY, UNTIL 6 AM PST EARLY 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.
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