938  
FZUS56 KLOX 120339  
CWFLOX  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA  
839 PM PDT SUN APR 11 2021  
 
POINT PIEDRAS BLANCAS TO SAN MATEO POINT CA OUT 60 NM INCLUDING THE  
CHANNEL ISLANDS NATIONAL MARINE SANCTUARY  
 
PZZ600-121045-  
839 PM PDT SUN APR 11 2021  
 
.SYNOPSIS FOR THE SOUTHERN CALIFORNIA COAST AND SANTA BARBARA  
CHANNEL INCLUDING THE CHANNEL ISLANDS NATIONAL MARINE SANCTUARY  
AND NATIONAL PARK...AT 00Z, OR 5 PM PDT, A 1036 MB HIGH PRESSURE  
CENTER WAS LOCATED 500 NM W OF SEATTLE WA, AND A 1000 MB THERMAL LOW  
WAS LOCATED NEAR LAS VEGAS.  
 

 
 
PZZ645-121045-  
POINT PIEDRAS BLANCAS TO POINT SAL WESTWARD OUT TO 10 NM-  
839 PM PDT SUN APR 11 2021  
   
TONIGHT
 
NW WINDS 10 TO 15 KT WITH LOCAL GUSTS TO 20 KT. WIND WAVES  
2 TO 3 FT. NW SWELL 6 TO 8 FT AT 12 SECONDS. PATCHY FOG.   
MON
 
NW WINDS 10 TO 15 KT. LOCAL GUSTS TO 20 KT IN THE AFTERNOON.  
WIND WAVES 2 TO 3 FT. NW SWELL 6 TO 7 FT AT 12 SECONDS.    
MON NIGHT
 
NW WINDS 10 TO 20 KT WITH GUSTS TO 25 KT IN THE  
EVENING, BECOMING 10 TO 15 KT. WIND WAVES 2 TO 4 FT. NW SWELL 5 TO  
6 FT AT 11 SECONDS.    
TUE
 
NW WINDS 10 TO 15 KT. WIND WAVES 2 FT OR LESS. NW SWELL 5 TO  
6 FT AT 10 SECONDS.    
TUE NIGHT
 
NW WINDS 10 TO 20 KT. WIND WAVES 2 TO 3 FT. NW SWELL  
4 TO 5 FT AT 10 SECONDS.    
WED
 
W WINDS 5 TO 10 KT. WIND WAVES 2 FT OR LESS. NW SWELL 4 TO  
5 FT AT 9 SECONDS.    
WED NIGHT
 
NW WINDS 5 TO 10 KT. WIND WAVES 2 FT OR LESS. NW SWELL  
4 TO 5 FT AT 10 SECONDS.    
THU
 
NW WINDS 10 TO 15 KT. WIND WAVES 2 FT OR LESS. NW SWELL 3 TO  
4 FT.    
FRI
 
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WIND WAVES 1 TO  
3 FT. NW SWELL 3 TO 4 FT. PATCHY FOG.  
 

 
 
PZZ670-121045-  
POINT PIEDRAS BLANCAS TO POINT SAL FROM 10 TO 60 NM-  
839 PM PDT SUN APR 11 2021  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY EVENING
 
 
   
TONIGHT
 
NW WINDS 20 TO 30 KT. COMBINED SEAS 9 TO 11 FT DOMINANT  
PERIOD 14 SECONDS, SUBSIDING TO 8 TO 9 FT DOMINANT PERIOD 12 SECONDS  
AFTER MIDNIGHT. PATCHY FOG.    
MON
 
NW WINDS 15 TO 25 KT WITH LOCAL GUSTS TO 30 KT. STRONGEST  
WESTERN PORTION. COMBINED SEAS 6 TO 8 FT DOMINANT PERIOD 12 SECONDS.   
MON NIGHT
 
NW WINDS 15 TO 25 KT. COMBINED SEAS 6 TO 7 FT DOMINANT  
PERIOD 12 SECONDS.    
TUE
 
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. COMBINED SEAS 6 TO  
7 FT DOMINANT PERIOD 11 SECONDS.    
TUE NIGHT
 
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. COMBINED SEAS  
5 TO 7 FT DOMINANT PERIOD 10 SECONDS.    
WED
 
NW WINDS 10 TO 20 KT. WIND WAVES 2 TO 3 FT. NW SWELL 4 TO  
5 FT AT 9 SECONDS.    
WED NIGHT
 
NW WINDS 10 TO 15 KT. WIND WAVES 2 FT OR LESS. NW SWELL  
4 TO 5 FT AT 10 SECONDS.    
THU
 
NW WINDS 10 TO 15 KT. WIND WAVES 2 FT OR LESS. NW SWELL 3 TO  
4 FT.    
FRI
 
NW WINDS 10 TO 20 KT. WIND WAVES 2 TO 3 FT. NW SWELL 3 TO  
4 FT. PATCHY FOG.  
 

 
 
PZZ673-121045-  
WATERS FROM PT. SAL TO SANTA CRUZ ISLAND CA AND WESTWARD 60 NM  
INCLUDING SAN MIGUEL AND SANTA ROSA ISLANDS-  
839 PM PDT SUN APR 11 2021  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING
 
 
   
TONIGHT
 
NW WINDS 15 TO 25 KT WITH GUSTS TO 30 KT. COMBINED SEAS  
8 TO 10 FT DOMINANT PERIOD 13 SECONDS. PATCHY FOG.   
MON
 
NW WINDS 15 TO 25 KT WITH LOCAL GUSTS TO 30 KT. COMBINED SEAS  
7 TO 8 FT DOMINANT PERIOD 12 SECONDS.    
MON NIGHT
 
NW WINDS 15 TO 25 KT WITH GUSTS TO 30 KT. COMBINED SEAS  
6 TO 7 FT DOMINANT PERIOD 12 SECONDS.    
TUE
 
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. COMBINED SEAS 5 TO  
7 FT DOMINANT PERIOD 11 SECONDS.    
TUE NIGHT
 
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. COMBINED SEAS  
6 TO 7 FT DOMINANT PERIOD 10 SECONDS.    
WED
 
NW WINDS 10 TO 20 KT WITH GUSTS TO 25 KT, BECOMING 10 TO  
15 KT IN THE AFTERNOON. WIND WAVES 2 TO 4 FT. NW SWELL 4 TO 5 FT AT  
9 SECONDS.    
WED NIGHT
 
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WIND WAVES  
1 TO 3 FT. NW SWELL 4 TO 5 FT AT 10 SECONDS.    
THU
 
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WIND WAVES 1 TO  
3 FT. NW SWELL 3 TO 4 FT.    
FRI
 
NW WINDS 10 TO 20 KT WITH GUSTS TO 25 KT. WIND WAVES 2 TO  
4 FT. NW SWELL 3 TO 4 FT. PATCHY FOG.  
 

 
 
PZZ676-121045-  
OUTER WATERS FROM SANTA CRUZ ISLAND TO SAN CLEMENTE ISLAND TO 60 NM  
OFFSHORE INCLUDING SAN NICOLAS AND SANTA BARBARA ISLANDS-  
839 PM PDT SUN APR 11 2021  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY EVENING
 
 
   
TONIGHT
 
NW WINDS 20 TO 30 KT WITH LOCAL GUSTS TO 35 KT DIMINISHING  
TO 15 TO 25 KT WITH LOCAL GUSTS TO 30 KT AFTER MIDNIGHT. STRONGEST  
NW OF SAN NICOLAS ISLAND. COMBINED SEAS 7 TO 10 FT DOMINANT PERIOD 9  
SECONDS. PATCHY FOG.   
MON
 
NW WINDS 10 TO 20 KT WITH GUSTS TO 25 KT. STRONGEST NW OF SAN  
NICOLAS ISLAND. COMBINED SEAS 6 TO 8 FT DOMINANT PERIOD 10 SECONDS.    
MON NIGHT
 
NW WINDS 15 TO 25 KT WITH GUSTS TO 30 KT. COMBINED SEAS  
5 TO 7 FT DOMINANT PERIOD 10 SECONDS.    
TUE
 
NW WINDS 10 TO 20 KT WITH GUSTS TO 25 KT. WIND WAVES 2 TO  
4 FT. NW SWELL 5 TO 6 FT AT 10 SECONDS, SUBSIDING TO 3 TO 5 FT AT  
9 SECONDS IN THE AFTERNOON.    
TUE NIGHT
 
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. COMBINED SEAS  
5 TO 7 FT DOMINANT PERIOD 9 SECONDS.    
WED
 
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT, BECOMING 10 TO  
15 KT IN THE AFTERNOON. WIND WAVES 2 TO 4 FT. NW SWELL 4 TO 5 FT AT  
8 SECONDS.    
WED NIGHT
 
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WIND WAVES  
1 TO 3 FT. NW SWELL 3 TO 5 FT AT 9 SECONDS.    
THU
 
NW WINDS 15 TO 20 KT. COMBINED SEAS 3 TO 5 FT.    
FRI
 
NW WINDS 10 TO 20 KT WITH GUSTS TO 25 KT. WIND WAVES 2 TO  
4 FT. NW SWELL 3 TO 4 FT. PATCHY FOG.  
 

 
 
PZZ650-121045-  
EAST SANTA BARBARA CHANNEL FROM PT. CONCEPTION TO PT. MUGU CA  
INCLUDING SANTA CRUZ ISLAND-  
839 PM PDT SUN APR 11 2021  
   
TONIGHT
 
WESTERN PORTION, NW WINDS 10 TO 20 KT BECOMING 5 TO 15 KT  
AFTER MIDNIGHT. EASTERN PORTION, SE WINDS 5 TO 10 KT. WIND WAVES 2 TO  
3 FT SUBSIDING TO 2 FT OR LESS AFTER MIDNIGHT. W SWELL 4 TO 6 FT  
AT 9 SECONDS. PATCHY FOG.   
MON
 
WINDS VARIABLE 10 KT OR LESS BECOMING W 10 TO 15 KT WITH LOCAL  
GUSTS TO 20 KT IN THE AFTERNOON. WIND WAVES 2 FT OR LESS BUILDING TO  
2 TO 3 FT IN THE AFTERNOON. W SWELL 4 TO 6 FT AT 9 SECONDS.   
MON NIGHT
 
WESTERN PORTION, W WINDS 20 TO 25 KT BECOMING NW 10 TO  
15 KT AFTER MIDNIGHT. EASTERN PORTION, W WINDS 10 TO 15 KT BECOMING  
5 TO 10 KT AFTER MIDNIGHT. WIND WAVES 1 TO 3 FT. W SWELL 4 TO 6 FT  
AT 9 SECONDS.    
TUE
 
W WINDS 10 TO 15 KT. WIND WAVES 2 FT OR LESS. W SWELL 4 TO  
6 FT AT 9 SECONDS, SUBSIDING TO 3 TO 4 FT AT 9 SECONDS IN THE  
AFTERNOON.    
TUE NIGHT
 
W WINDS 15 TO 20 KT WITH GUSTS TO 25 KT, BECOMING NW  
10 TO 20 KT AFTER MIDNIGHT. WIND WAVES 2 TO 4 FT. W SWELL 3 TO 4 FT  
AT 8 SECONDS.    
WED
 
W WINDS 10 TO 15 KT. WIND WAVES 2 FT OR LESS. W SWELL 3 TO  
5 FT AT 8 SECONDS.    
WED NIGHT
 
W WINDS 10 TO 15 KT. WIND WAVES 1 TO 3 FT. W SWELL 3 TO  
5 FT AT 8 SECONDS.    
THU
 
NW WINDS 10 TO 15 KT. WIND WAVES 1 TO 3 FT. W SWELL 2 TO  
4 FT.    
FRI
 
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. COMBINED SEAS 3 TO  
5 FT. PATCHY FOG.  
 

 
 
PZZ655-121045-  
INNER WATERS FROM POINT MUGU TO SAN MATEO PT. CA INCLUDING SANTA  
CATALINA AND ANACAPA ISLANDS-  
839 PM PDT SUN APR 11 2021  
   
TONIGHT
 
WINDS S TO SE 5 TO 10 KT. WIND WAVES 2 FT OR LESS.  
W SWELL 3 TO 5 FT AT 8 SECONDS. PATCHY FOG AFTER MIDNIGHT.   
MON
 
SE WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT IN THE  
AFTERNOON. WIND WAVES 2 FT OR LESS. W SWELL 3 TO 4 FT AT 8 SECONDS.    
MON NIGHT
 
W WINDS 10 TO 15 KT. WIND WAVES 2 FT OR LESS. W SWELL  
3 TO 4 FT AT 8 SECONDS. PATCHY FOG AFTER MIDNIGHT. PATCHY DRIZZLE  
AFTER MIDNIGHT.    
TUE
 
W WINDS 10 TO 15 KT. WIND WAVES 2 FT OR LESS. W SWELL 2 TO  
4 FT AT 8 SECONDS. PATCHY FOG IN THE MORNING. PATCHY DRIZZLE IN THE  
MORNING.    
TUE NIGHT
 
W WINDS 10 TO 20 KT. WIND WAVES 2 TO 3 FT. W SWELL 2 TO  
3 FT AT 7 SECONDS. PATCHY FOG AFTER MIDNIGHT. PATCHY DRIZZLE AFTER  
MIDNIGHT.    
WED
 
W WINDS 10 TO 15 KT, BECOMING SW 10 KT IN THE AFTERNOON. WIND  
WAVES 2 FT OR LESS. W SWELL 2 TO 3 FT AT 7 SECONDS. PATCHY FOG IN  
THE MORNING. PATCHY DRIZZLE IN THE MORNING.    
WED NIGHT
 
W WINDS 10 TO 15 KT. WIND WAVES 2 FT OR LESS. W SWELL  
2 TO 3 FT AT 7 SECONDS.    
THU
 
W WINDS 10 TO 15 KT. WIND WAVES 2 FT OR LESS. W SWELL 2 FT.    
FRI
 
W WINDS 15 TO 20 KT. COMBINED SEAS 2 TO 4 FT. PATCHY FOG.  
 

 
 
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