046
WHUS76 KEKA 190430
MWWEKA
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
830 PM PST THU DEC 18 2025
PZZ450-191230-
/O.CON.KEKA.GL.W.0057.000000T0000Z-251219T1700Z/
PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM-
830 PM PST THU DEC 18 2025
..GALE WARNING REMAINS IN EFFECT UNTIL 9 AM PST FRIDAY
* WHAT...SOUTH WINDS 20 TO 30 KT WITH GUSTS UP TO 45 KT AND SEAS
8 TO 13 FEET.
* WHERE...PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM.
* WHEN...UNTIL 9 AM PST FRIDAY.
* 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.
PZZ470-191230-
/O.CON.KEKA.GL.W.0057.000000T0000Z-251219T1700Z/
PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM-
830 PM PST THU DEC 18 2025
..GALE WARNING REMAINS IN EFFECT UNTIL 9 AM PST FRIDAY
* WHAT...SOUTHWEST WINDS 20 TO 30 KT WITH GUSTS UP TO 40 KT AND
SEAS 12 TO 14 FEET.
* WHERE...PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM.
* WHEN...UNTIL 9 AM PST FRIDAY.
* 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.
PZZ455-191230-
/O.EXB.KEKA.SC.Y.0138.251219T1000Z-251219T1900Z/
CAPE MENDOCINO TO PT ARENA OUT 10 NM-
830 PM PST THU DEC 18 2025
..SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM TO 11 AM PST FRIDAY
* WHAT...SOUTH WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND SEAS
6 TO 11 FEET EXPECTED.
* WHERE...CAPE MENDOCINO TO PT ARENA OUT 10 NM.
* WHEN...FROM 2 AM TO 11 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.
PZZ475-191230-
/O.EXT.KEKA.SC.Y.0138.251219T0600Z-251219T1900Z/
CAPE MENDOCINO TO PT ARENA 10 TO 60 NM-
830 PM PST THU DEC 18 2025
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 11 AM PST FRIDAY
* WHAT...SOUTHWEST WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND
SEAS 8 TO 12 FEET EXPECTED.
* WHERE...CAPE MENDOCINO TO PT ARENA 10 TO 60 NM.
* WHEN...UNTIL 11 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.
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