460
WHUS76 KEKA 170943
MWWEKA
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE EUREKA CA
243 AM PDT WED SEP 17 2025
PZZ470-171745-
/O.EXT.KEKA.SC.Y.0096.250917T2000Z-250918T0300Z/
/O.UPG.KEKA.GL.A.0031.250918T0600Z-250919T0600Z/
/O.NEW.KEKA.GL.W.0041.250918T0300Z-250919T1000Z/
PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM-
243 AM PDT WED SEP 17 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 1 PM THIS AFTERNOON TO
8 PM PDT THIS EVENING...
...GALE WARNING IN EFFECT FROM 8 PM THIS EVENING TO 3 AM PDT
FRIDAY...
* WHAT...FOR THE GALE WARNING, NORTH WINDS 25 TO 35 KT WITH
GUSTS UP TO 45 KT AND SEAS 12 TO 17 FEET EXPECTED. FOR THE
SMALL CRAFT ADVISORY, NORTH WINDS 20 TO 30 KT WITH GUSTS UP TO
35 KT AND SEAS 6 TO 9 FEET EXPECTED.
* WHERE...PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM.
* WHEN...FOR THE GALE WARNING, FROM 8 PM THIS EVENING TO 3 AM
PDT FRIDAY. FOR THE SMALL CRAFT ADVISORY, FROM 1 PM THIS
AFTERNOON TO 8 PM PDT 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.
PZZ475-171745-
/O.CON.KEKA.SC.Y.0096.250917T1200Z-250918T0000Z/
/O.UPG.KEKA.GL.A.0031.250918T0000Z-250919T0000Z/
/O.NEW.KEKA.GL.W.0041.250918T0000Z-250918T2200Z/
CAPE MENDOCINO TO PT ARENA 10 TO 60 NM-
243 AM PDT WED SEP 17 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT THIS
AFTERNOON...
...GALE WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 3 PM PDT
THURSDAY...
* WHAT...FOR THE GALE WARNING, NORTH WINDS 25 TO 35 KT WITH
GUSTS UP TO 40 KT AND SEAS 8 TO 13 FEET EXPECTED. FOR THE
SMALL CRAFT ADVISORY, NORTH WINDS 15 TO 25 KT WITH GUSTS UP TO
35 KT AND SEAS 5 TO 8 FEET EXPECTED.
* WHERE...CAPE MENDOCINO TO PT ARENA 10 TO 60 NM.
* WHEN...FOR THE GALE WARNING, FROM 5 PM THIS AFTERNOON TO 3 PM
PDT THURSDAY. FOR THE SMALL CRAFT ADVISORY, UNTIL 5 PM PDT
THIS AFTERNOON.
* 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.
PZZ450-171745-
/O.EXT.KEKA.SC.Y.0096.250918T0300Z-250918T1200Z/
/O.CON.KEKA.SE.A.0006.250918T1200Z-250919T0600Z/
PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM-
243 AM PDT WED SEP 17 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 PM THIS EVENING TO
5 AM PDT THURSDAY...
...HAZARDOUS SEAS WATCH REMAINS IN EFFECT FROM LATE TONIGHT
THROUGH THURSDAY EVENING...
* WHAT...FOR THE SMALL CRAFT ADVISORY, NORTH WINDS 10 TO 20 KT
WITH GUSTS UP TO 30 KT AND SEAS 6 TO 9 FEET EXPECTED. FOR THE
HAZARDOUS SEAS WATCH, VERY STEEP AND HAZARDOUS SEAS 7 TO 11
FEET POSSIBLE.
* WHERE...PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM.
* WHEN...FOR THE SMALL CRAFT ADVISORY, FROM 8 PM THIS EVENING TO
5 AM PDT THURSDAY. FOR THE HAZARDOUS SEAS WATCH, FROM LATE
TONIGHT THROUGH THURSDAY EVENING.
* IMPACTS...VERY STEEP AND HAZARDOUS SEAS COULD CAPSIZE OR CAUSE
DAMAGE TO VESSELS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
CONSIDER ALTERING YOUR PLANS TO AVOID POSSIBLE HAZARDOUS SEA
CONDITIONS.
PZZ455-171745-
/O.EXT.KEKA.SC.Y.0096.250918T0000Z-250918T1800Z/
CAPE MENDOCINO TO PT ARENA OUT 10 NM-
243 AM PDT WED SEP 17 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 5 PM THIS AFTERNOON TO
11 AM PDT THURSDAY...
* WHAT...NORTHWEST WINDS 15 TO 25 KT WITH GUSTS UP TO 35 KT AND
SEAS 7 TO 10 FEET EXPECTED.
* WHERE...CAPE MENDOCINO TO PT ARENA OUT 10 NM.
* WHEN...FROM 5 PM THIS AFTERNOON TO 11 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.
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