558  
FZUS56 KEKA 201553  
CWFEKA  
 
COASTAL WATERS FORECAST FOR NORTHWEST CALIFORNIA  
NATIONAL WEATHER SERVICE EUREKA CA  
853 AM PDT TUE MAY 20 2025  
 
WATERS FROM PT ST GEORGE TO PT ARENA AND OUT 60 NM  
 
PZZ400-210415-  
853 AM PDT TUE MAY 20 2025  
   
SYNOPSIS FOR NORTHERN CALIFORNIA WATERS
 
NORTHERLY WINDS  
WILL CONTINUE TO INCREASE TODAY WITH GALE FORCE GUSTS HIGHLY  
PROBABLE SOUTH OF CAPE MENDOCINO THIS AFTERNOON AND EVENING.  
STEEP SHORT PERIOD WAVES AND LONGER PERIOD NW SWELL WILL BUILD  
TODAY. COMBINED SEAS ARE FORECAST TO REACH 10 TO 13 FEET; THE  
HIGHEST WAVES ARE EXPECTED SOUTH OF CAPE MENDOCINO THIS AFTERNOON  
AND EVENING. STEEP SEAS ARE FORECAST TO PERSIST ON WEDNESDAY.  
 

 
 
PZZ450-210415-  
PT ST GEORGE TO CAPE MENDOCINO OUT 10 NM-  
853 AM PDT TUE MAY 20 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM PDT THIS AFTERNOON  
THROUGH LATE TONIGHT...  
   
REST OF TODAY
 
N WIND 15 TO 20 KT. SEAS 8 FT. WAVE  
DETAIL: NW 5 FT AT 6 SECONDS AND NW 8 FT AT 13 SECONDS.    
TONIGHT
 
N WIND 15 TO 20 KT. SEAS 10 FT. WAVE DETAIL: NW  
7 FT AT 7 SECONDS AND NW 8 FT AT 13 SECONDS.    
WED
 
NW WIND 10 TO 15 KT. SEAS 8 FT. WAVE DETAIL: N 6 FT  
AT 7 SECONDS AND NW 6 FT AT 11 SECONDS.    
WED NIGHT
 
N WIND 5 TO 10 KT. SEAS 6 FT. WAVE DETAIL: N  
5 FT AT 6 SECONDS AND NW 5 FT AT 11 SECONDS.    
THU
 
NW WIND 5 TO 10 KT. SEAS 5 FT. WAVE DETAIL: N 3 FT  
AT 5 SECONDS AND NW 4 FT AT 10 SECONDS.    
THU NIGHT
 
N WIND 5 TO 10 KT. SEAS 4 FT. WAVE DETAIL: N  
3 FT AT 5 SECONDS AND NW 3 FT AT 9 SECONDS.    
FRI
 
NW WIND 10 TO 15 KT. SEAS 4 FT. WAVE DETAIL: N 3 FT  
AT 5 SECONDS AND W 3 FT AT 8 SECONDS.    
FRI NIGHT
 
N WIND 10 TO 15 KT. SEAS 5 FT. WAVE DETAIL: N  
4 FT AT 5 SECONDS AND W 3 FT AT 9 SECONDS.    
SAT
 
N WIND 5 TO 10 KT. SEAS 4 FT. WAVE DETAIL: N 4 FT  
AT 5 SECONDS AND W 2 FT AT 8 SECONDS.    
SAT NIGHT
 
N WIND 5 TO 10 KT. SEAS 4 FT. WAVE DETAIL: N  
3 FT AT 5 SECONDS AND NW 3 FT AT 13 SECONDS.  
 

 
 
PZZ470-210415-  
PT ST GEORGE TO CAPE MENDOCINO 10 TO 60 NM-  
853 AM PDT TUE MAY 20 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON PDT TODAY THROUGH  
WEDNESDAY EVENING...  
   
REST OF TODAY
 
N WIND 10 TO 15 KT, BECOMING NW 15 TO 20 KT THIS  
AFTERNOON. SEAS 10 FT. WAVE DETAIL: NW 6 FT AT 6 SECONDS  
AND NW 9 FT AT 13 SECONDS.   
TONIGHT
 
N WIND 20 TO 25 KT. SEAS 11 FT. WAVE DETAIL: NW  
8 FT AT 7 SECONDS AND NW 9 FT AT 12 SECONDS.    
WED
 
N WIND 15 TO 20 KT. SEAS 9 FT. WAVE DETAIL: N 8 FT  
AT 7 SECONDS AND NW 6 FT AT 11 SECONDS.    
WED NIGHT
 
N WIND 10 TO 15 KT. SEAS 7 FT. WAVE DETAIL: N  
6 FT AT 6 SECONDS AND NW 5 FT AT 10 SECONDS.    
THU
 
N WIND 10 KT. SEAS 6 FT. WAVE DETAIL: N 4 FT  
AT 5 SECONDS AND NW 4 FT AT 10 SECONDS.    
THU NIGHT
 
N WIND 10 TO 15 KT. SEAS 5 FT. WAVE DETAIL: N  
4 FT AT 5 SECONDS AND NW 3 FT AT 9 SECONDS.    
FRI
 
N WIND 15 KT. SEAS 5 FT. WAVE DETAIL: N 4 FT  
AT 5 SECONDS AND W 3 FT AT 8 SECONDS.    
FRI NIGHT
 
N WIND 10 TO 15 KT. SEAS 6 FT. WAVE DETAIL: N  
5 FT AT 5 SECONDS AND W 3 FT AT 9 SECONDS.    
SAT
 
N WIND 10 TO 15 KT. SEAS 5 FT. WAVE DETAIL: N 5 FT  
AT 5 SECONDS AND W 2 FT AT 8 SECONDS.    
SAT NIGHT
 
N WIND 10 KT. SEAS 5 FT. WAVE DETAIL:  
N 5 FT AT 5 SECONDS AND NW 3 FT AT 14 SECONDS.  
 

 
 
PZZ455-210415-  
CAPE MENDOCINO TO PT ARENA OUT 10 NM-  
853 AM PDT TUE MAY 20 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY EVENING
 
 
   
REST OF TODAY
 
NW WIND 20 TO 25 KT, RISING TO 25 TO 30 KT THIS  
AFTERNOON. SEAS 9 FT. WAVE DETAIL: NW 8 FT AT 7 SECONDS  
AND NW 7 FT AT 14 SECONDS.   
TONIGHT
 
NW WIND 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS  
AROUND 11 FT. WAVE DETAIL: NW 9 FT AT 8 SECONDS AND NW 8 FT AT  
13 SECONDS.    
WED
 
NW WIND 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS  
10 FT. WAVE DETAIL: NW 8 FT AT 7 SECONDS AND NW 6 FT AT  
12 SECONDS.    
WED NIGHT
 
NW WIND 15 TO 20 KT. SEAS 8 FT. WAVE DETAIL:  
N 7 FT AT 7 SECONDS AND NW 4 FT AT 11 SECONDS.    
THU
 
NW WIND 10 TO 15 KT. SEAS 6 FT. WAVE DETAIL: N 5 FT  
AT 5 SECONDS AND NW 4 FT AT 10 SECONDS.    
THU NIGHT
 
NW WIND 10 TO 15 KT. SEAS 6 FT. WAVE DETAIL:  
N 5 FT AT 5 SECONDS AND NW 3 FT AT 9 SECONDS.    
FRI
 
NW WIND 15 TO 20 KT. SEAS 5 FT. WAVE DETAIL: N 5 FT  
AT 5 SECONDS AND W 3 FT AT 8 SECONDS.    
FRI NIGHT
 
NW WIND 15 TO 20 KT. SEAS 6 FT. WAVE DETAIL:  
N 5 FT AT 5 SECONDS AND W 3 FT AT 9 SECONDS.    
SAT
 
NW WIND 10 TO 15 KT. SEAS 6 FT. WAVE DETAIL: N 5 FT  
AT 5 SECONDS AND W 2 FT AT 8 SECONDS.    
SAT NIGHT
 
NW WIND 10 TO 15 KT. SEAS 6 FT. WAVE DETAIL:  
N 5 FT AT 5 SECONDS AND NW 2 FT AT 14 SECONDS.  
 

 
 
PZZ475-210415-  
CAPE MENDOCINO TO PT ARENA 10 TO 60 NM-  
853 AM PDT TUE MAY 20 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON PDT TODAY
 
 
...GALE WARNING IN EFFECT FROM NOON PDT TODAY THROUGH LATE  
TONIGHT...  
   
REST OF TODAY
 
N WIND 20 TO 25 KT, BECOMING NW 25 TO 30 KT THIS  
AFTERNOON. SEAS 9 FT. WAVE DETAIL: NW 8 FT AT 7 SECONDS  
AND NW 8 FT AT 14 SECONDS.   
TONIGHT
 
N WIND 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS  
12 FT. WAVE DETAIL: NW 9 FT AT 8 SECONDS AND NW 8 FT AT  
13 SECONDS.    
WED
 
NW WIND 20 TO 25 KT. SEAS 10 FT. WAVE DETAIL: N  
9 FT AT 8 SECONDS AND NW 6 FT AT 12 SECONDS.    
WED NIGHT
 
NW WIND 20 TO 25 KT. SEAS 9 FT. WAVE DETAIL:  
N 8 FT AT 7 SECONDS AND NW 5 FT AT 11 SECONDS.    
THU
 
NW WIND 10 TO 15 KT. SEAS 7 FT. WAVE DETAIL: N 6 FT  
AT 6 SECONDS AND NW 4 FT AT 10 SECONDS.    
THU NIGHT
 
N WIND 15 KT. SEAS 6 FT. WAVE DETAIL:  
N 5 FT AT 5 SECONDS AND NW 3 FT AT 9 SECONDS.    
FRI
 
NW WIND 15 TO 20 KT. SEAS 6 FT. WAVE DETAIL: N 5 FT  
AT 5 SECONDS AND W 3 FT AT 8 SECONDS.    
FRI NIGHT
 
N WIND 15 TO 20 KT. SEAS 6 FT. WAVE DETAIL: N  
5 FT AT 5 SECONDS AND W 3 FT AT 9 SECONDS.    
SAT
 
N WIND 15 TO 20 KT. SEAS 7 FT. WAVE DETAIL: N 6 FT  
AT 5 SECONDS AND W 2 FT AT 8 SECONDS.    
SAT NIGHT
 
NW WIND 15 TO 20 KT. SEAS 6 FT. WAVE DETAIL:  
N 6 FT AT 6 SECONDS AND NW 3 FT AT 13 SECONDS.  
 

 
 
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