278  
WHUS76 KEKA 210454  
MWWEKA  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE EUREKA CA  
854 PM PST WED NOV 20 2024  
 
PZZ455-211300-  
/O.EXP.KEKA.SE.W.0037.000000T0000Z-241121T0500Z/  
/O.CON.KEKA.GL.W.0056.241121T0500Z-241122T1200Z/  
CAPE MENDOCINO TO PT ARENA OUT 10 NM-  
854 PM PST WED NOV 20 2024  
   
..GALE WARNING REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY  
   
..HAZARDOUS SEAS WARNING WILL EXPIRE AT 9 PM PST THIS EVENING  
 
* WHAT...SOUTH WINDS 25 TO 35 KT WITH GUSTS UP TO 45 KT AND SEAS  
15 TO 20 FEET EXPECTED.  
 
* WHERE...CAPE MENDOCINO TO PT ARENA OUT 10 NM.  
 
* WHEN...UNTIL 4 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.  
 
 
 
 
 
PZZ450-211300-  
/O.EXT.KEKA.SE.W.0037.000000T0000Z-241121T1100Z/  
/O.CON.KEKA.GL.A.0032.241121T2300Z-241122T1200Z/  
PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM-  
854 PM PST WED NOV 20 2024  
   
..HAZARDOUS SEAS WARNING NOW IN EFFECT UNTIL 3 AM PST THURSDAY  
 
...GALE WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON THROUGH  
LATE THURSDAY NIGHT...  
 
* WHAT...FOR THE HAZARDOUS SEAS WARNING, VERY STEEP AND  
HAZARDOUS SEAS 16 TO 18 FEET. FOR THE GALE WATCH, SOUTH WINDS  
25 TO 35 KT WITH GUSTS UP TO 50 KT AND SEAS 8 TO 13 FEET  
POSSIBLE.  
 
* WHERE...PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM.  
 
* WHEN...FOR THE HAZARDOUS SEAS WARNING, UNTIL 3 AM PST  
THURSDAY. FOR THE GALE WATCH, FROM THURSDAY AFTERNOON THROUGH  
LATE THURSDAY NIGHT.  
 
* 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.  
 
 
 
 
 
PZZ470-211300-  
/O.EXT.KEKA.SE.W.0037.000000T0000Z-241121T1100Z/  
/O.CON.KEKA.GL.A.0032.241121T2300Z-241122T1200Z/  
PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM-  
854 PM PST WED NOV 20 2024  
   
..HAZARDOUS SEAS WARNING NOW IN EFFECT UNTIL 3 AM PST THURSDAY  
 
...GALE WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON THROUGH  
LATE THURSDAY NIGHT...  
 
* WHAT...FOR THE HAZARDOUS SEAS WARNING, VERY STEEP AND  
HAZARDOUS SEAS 16 TO 18 FEET. FOR THE GALE WATCH, SOUTH WINDS  
25 TO 35 KT WITH GUSTS UP TO 45 KT AND SEAS 11 TO 16 FEET  
POSSIBLE.  
 
* WHERE...PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM.  
 
* WHEN...FOR THE HAZARDOUS SEAS WARNING, UNTIL 3 AM PST  
THURSDAY. FOR THE GALE WATCH, FROM THURSDAY AFTERNOON THROUGH  
LATE THURSDAY NIGHT.  
 
* 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.  
 
 
 
 
 
PZZ475-211300-  
/O.EXT.KEKA.SE.W.0037.000000T0000Z-241121T1100Z/  
/O.CON.KEKA.GL.A.0032.241121T2300Z-241122T1200Z/  
CAPE MENDOCINO TO PT ARENA 10 TO 60 NM-  
854 PM PST WED NOV 20 2024  
   
..HAZARDOUS SEAS WARNING NOW IN EFFECT UNTIL 3 AM PST THURSDAY  
 
...GALE WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON THROUGH  
LATE THURSDAY NIGHT...  
 
* WHAT...FOR THE HAZARDOUS SEAS WARNING, VERY STEEP AND  
HAZARDOUS SEAS 17 TO 19 FEET. FOR THE GALE WATCH, SOUTH WINDS  
25 TO 35 KT WITH GUSTS UP TO 45 KT AND SEAS 12 TO 16 FEET  
POSSIBLE.  
 
* WHERE...CAPE MENDOCINO TO PT ARENA 10 TO 60 NM.  
 
* WHEN...FOR THE HAZARDOUS SEAS WARNING, UNTIL 3 AM PST  
THURSDAY. FOR THE GALE WATCH, FROM THURSDAY AFTERNOON THROUGH  
LATE THURSDAY NIGHT.  
 
* 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.  
 
 
 
 
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