031  
FZUS56 KSGX 180915  
CWFSGX  
 
COASTAL WATERS FORECAST FOR CALIFORNIA  
NATIONAL WEATHER SERVICE SAN DIEGO CA  
215 AM PDT WED MAR 18 2026  
 
SAN MATEO POINT TO THE MEXICAN BORDER OUT 60 NM  
 
PZZ700-182200-  
215 AM PDT WED MAR 18 2026  
   
SYNOPSIS FOR THE FAR SOUTHERN CALIFORNIA COAST
 
 
AT 1 AM, A 1020 MB HIGH WAS 300 NAUTICAL MILES WEST OF MONTEREY  
AND ANOTHER 1020 MB HIGH WAS OVER SALT LAKE CITY. A 1012 MB LOW  
COVERED SOUTHWEST ARIZONA. VARIABLE WEAK FLOW WILL CONTINUE  
THROUGH THURSDAY. WEAK ONSHORE FLOW WILL PREVAIL FRIDAY,  
INCREASING SLIGHTLY OVER THE WEEKEND.  
 

 
 
PZZ740-182200-  
COASTAL WATERS FROM SAN MATEO POINT TO THE MEXICAN BORDER AND OUT  
TO 10 NM-  
215 AM PDT WED MAR 18 2026  
   
TODAY
 
WIND VARIABLE LESS THAN 10 KT. SEAS 3 FT. WAVE DETAIL: W  
1 FOOT AT 4 SECONDS, W 1 FOOT AT 12 SECONDS AND S 3 FT AT  
15 SECONDS.    
TONIGHT
 
WIND VARIABLE LESS THAN 10 KT. SEAS 3 FT. WAVE DETAIL:  
W 1 FOOT AT 13 SECONDS AND SW 3 FT AT 14 SECONDS.    
THU...WIND VARIABLE LESS THAN 10 KT
 
BECOMING W 10 KT IN THE  
AFTERNOON. SEAS 3 FT. WAVE DETAIL: W 1 FOOT AT 4 SECONDS, W  
1 FOOT AT 11 SECONDS AND SW 2 FT AT 14 SECONDS.    
THU NIGHT
 
WIND VARIABLE LESS THAN 10 KT. SEAS 3 FT. WAVE  
DETAIL: W 2 FT AT 6 SECONDS AND SW 2 FT AT 14 SECONDS.    
FRI...WIND VARIABLE LESS THAN 10 KT
 
BECOMING W 10 KT IN THE  
AFTERNOON. SEAS 3 FT. WAVE DETAIL: W 2 FT AT 5 SECONDS AND S 2 FT  
AT 14 SECONDS.    
FRI NIGHT
 
WIND VARIABLE LESS THAN 10 KT. SEAS 3 FT. WAVE  
DETAIL: NW 1 FOOT AT 4 SECONDS, W 2 FT AT 7 SECONDS AND SW 2 FT  
AT 14 SECONDS.    
SAT...WIND VARIABLE LESS THAN 10 KT
 
BECOMING W 10 KT IN THE  
AFTERNOON. SEAS 3 FT. WAVE DETAIL: W 1 FOOT AT 4 SECONDS, W 2 FT  
AT 8 SECONDS AND SW 2 FT AT 15 SECONDS.    
SAT NIGHT
 
WIND VARIABLE LESS THAN 10 KT. SEAS 3 FT. WAVE  
DETAIL: W 1 FOOT AT 4 SECONDS, W 2 FT AT 7 SECONDS AND SW 2 FT AT  
14 SECONDS.    
SUN...WIND VARIABLE LESS THAN 10 KT
 
BECOMING W 10 KT IN THE  
AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: SW 1 FOOT AT 4 SECONDS, W  
3 FT AT 10 SECONDS AND SW 2 FT AT 14 SECONDS.    
SUN NIGHT
 
WIND VARIABLE LESS THAN 10 KT. SEAS 3 TO 4 FT. WAVE  
DETAIL: W 1 FOOT AT 4 SECONDS, W 3 FT AT 10 SECONDS AND SW 2 FT  
AT 14 SECONDS.  
 

 
 
PZZ745-182200-  
WATERS FROM SAN MATEO POINT TO THE MEXICAN BORDER EXTENDING 10 TO  
60 NM OUT INCLUDING SAN CLEMENTE ISLAND-  
215 AM PDT WED MAR 18 2026  
   
TODAY...WIND VARIABLE LESS THAN 10 KT
 
BECOMING W 10 KT THIS  
AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: W 1 FOOT AT 4 SECONDS, NW  
1 FOOT AT 14 SECONDS AND S 3 FT AT 15 SECONDS.    
TONIGHT
 
WIND VARIABLE LESS THAN 10 KT. SEAS 3 FT. WAVE DETAIL:  
NW 2 FT AT 13 SECONDS AND S 3 FT AT 14 SECONDS.    
THU...WIND VARIABLE LESS THAN 10 KT
 
BECOMING W 10 KT IN THE  
AFTERNOON. SEAS 3 FT. WAVE DETAIL: W 1 FOOT AT 4 SECONDS, W 2 FT  
AT 12 SECONDS AND S 3 FT AT 14 SECONDS.    
THU NIGHT...WIND SW 10 KT IN THE EVENING
 
BECOMING VARIABLE  
LESS THAN 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: W 2 FT AT 5 SECONDS  
AND S 2 FT AT 14 SECONDS.    
FRI...WIND VARIABLE LESS THAN 10 KT
 
BECOMING W 10 KT IN THE  
AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: W 2 FT AT 5 SECONDS AND S  
2 FT AT 14 SECONDS.    
FRI NIGHT...WIND NW 10 KT IN THE EVENING
 
BECOMING VARIABLE  
LESS THAN 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NW 1 FOOT AT  
4 SECONDS, W 3 FT AT 8 SECONDS AND S 2 FT AT 14 SECONDS.    
SAT
 
WIND VARIABLE LESS THAN 10 KT. SEAS 3 TO 4 FT. WAVE  
DETAIL: NW 1 FOOT AT 4 SECONDS, W 3 FT AT 8 SECONDS AND S 2 FT AT  
15 SECONDS.    
SAT NIGHT
 
WIND VARIABLE LESS THAN 10 KT. SEAS 3 TO 4 FT. WAVE  
DETAIL: W 1 FOOT AT 4 SECONDS, W 3 FT AT 7 SECONDS AND SW 2 FT AT  
14 SECONDS.    
SUN
 
WIND VARIABLE LESS THAN 10 KT. SEAS 3 TO 5 FT. WAVE  
DETAIL: W 1 FOOT AT 4 SECONDS, W 3 FT AT 10 SECONDS AND S 2 FT AT  
14 SECONDS.    
SUN NIGHT...WIND W 10 KT IN THE EVENING
 
BECOMING VARIABLE LESS  
THAN 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: W 1 FOOT AT 4 SECONDS, W  
3 FT AT 10 SECONDS AND S 2 FT AT 14 SECONDS.  
 

 
 
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