471
WHUS76 KEKA 182139
MWWEKA
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
239 PM PDT TUE AUG 18 2026
PZZ455-190545-
/O.EXT.KEKA.SC.Y.0075.260818T2200Z-260819T1000Z/
COASTAL WATERS FROM CAPE MENDOCINO TO PT. ARENA CA OUT 10 NM-
239 PM PDT TUE AUG 18 2026
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 AM PDT WEDNESDAY
* WHAT...NORTHWEST WINDS 10 TO 20 KT WITH GUSTS UP TO 35 KT AND
SEAS 5 TO 8 FEET EXPECTED.
* WHERE...COASTAL WATERS FROM CAPE MENDOCINO TO PT. ARENA CA OUT
10 NM.
* WHEN...UNTIL 3 AM PDT WEDNESDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.
PZZ475-190545-
/O.EXT.KEKA.SC.Y.0075.000000T0000Z-260820T1600Z/
WATERS FROM CAPE MENDOCINO TO PT. ARENA CA FROM 10 TO 60 NM-
239 PM PDT TUE AUG 18 2026
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 AM PDT THURSDAY
* WHAT...NORTH WINDS 15 TO 25 KT WITH GUSTS UP TO 35 KT AND SEAS
7 TO 10 FEET.
* WHERE...WATERS FROM CAPE MENDOCINO TO PT. ARENA CA FROM 10 TO
60 NM.
* WHEN...UNTIL 9 AM PDT 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.
PZZ470-190545-
/O.CON.KEKA.SC.Y.0075.000000T0000Z-260820T0400Z/
WATERS FROM PT. ST. GEORGE TO CAPE MENDOCINO CA FROM 10 TO 60 NM-
239 PM PDT TUE AUG 18 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT
WEDNESDAY...
* WHAT...NORTH WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND SEAS
6 TO 9 FEET.
* WHERE...WATERS FROM PT. ST. GEORGE TO CAPE MENDOCINO CA FROM
10 TO 60 NM.
* WHEN...UNTIL 9 PM PDT WEDNESDAY.
* 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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