498  
FZUS56 KSGX 200847  
CWFSGX  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE SAN DIEGO CA  
147 AM PDT WED SEP 20 2017  
 
PZZ700-202230-  
147 AM PDT WED SEP 20 2017  
   
SYNOPSIS FOR THE FAR SOUTHERN CALIFORNIA COAST
 
 
AT 1 AM, A 1031 MB HIGH WAS 1300 NM WEST-NORTHWEST OF SAN  
FRANCISCO AND A 1004 MB LOW WAS NEAR NEEDLES. A COASTAL EDDY LOOKS  
LIKELY TO DEVELOP TODAY AND CONTINUE INTO EARLY THURSDAY. A TROUGH  
OF LOW PRESSURE WILL THEN BRING MODERATE TO LOCALLY STRONG NORTHWEST  
WINDS BY THURSDAY AFTERNOON, WITH BRISK WINDS CONTINUING THROUGH  
FRIDAY NIGHT, ESPECIALLY IN THE OUTER WATERS WHERE CONDITIONS MAY  
BE HAZARDOUS TO SMALL CRAFT. WEAK TO MODERATE ONSHORE FLOW THEN  
LOOKS TO OCCUR THIS WEEKEND.  
 

 
 
PZZ750-202230-  
COASTAL WATERS FROM SAN MATEO POINT TO THE MEXICAN BORDER AND OUT  
TO 30 NM-  
147 AM PDT WED SEP 20 2017  
   
TODAY
 
WIND S 10 KT. WIND WAVES 2 FT OR LESS. MIXED SWELL W  
3 FT AT 9 SECONDS AND SW 2 FT AT 11 SECONDS.    
TONIGHT
 
WIND S 10 KT. GUSTS TO 15 KT AFTER MIDNIGHT. WIND  
WAVES 2 FT OR LESS. MIXED SWELL W 2 TO 3 FT AT 9 SECONDS AND SW  
2 FT AT 11 SECONDS.    
THU...WIND S 10 KT
 
BECOMING W IN THE AFTERNOON. GUSTS TO  
20 KT. WIND WAVES 2 FT OR LESS...BECOMING 3 FT IN THE AFTERNOON.  
MIXED SWELL W 3 TO 5 FT AT 8 SECONDS AND SW 1 FT AT 14 SECONDS.  
SLIGHT CHANCE OF SHOWERS.    
THU NIGHT
 
WIND W 10 TO 15 KT WITH GUSTS TO 20 KT. WIND WAVES  
3 FT IN THE EVENING...BECOMING 2 FT OR LESS. MIXED SWELL W 5 TO  
6 FT AT 8 SECONDS AND SW 1 FT AT 14 SECONDS.    
FRI...WIND S 10 TO 15 KT
 
BECOMING W IN THE AFTERNOON. GUSTS TO  
20 KT. WIND WAVES 2 FT OR LESS. SWELL W 4 TO 6 FT AT 9 SECONDS.  
SWELL S 1 FT.    
FRI NIGHT
 
WIND W 10 TO 15 KT WITH GUSTS TO 20 KT. WIND WAVES  
3 FT IN THE EVENING...BECOMING 2 FT OR LESS. SWELL W 3 TO 5 FT.  
SWELL SW 1 FT.    
SAT...WIND S 10 KT
 
BECOMING W IN THE AFTERNOON. WIND WAVES  
2 FT OR LESS. MIXED SWELL W 3 TO 4 FT AND SW 1 FT.    
SAT NIGHT...WIND NW 10 KT WITH GUSTS TO 15 KT IN THE EVENING
 
 
BECOMING VARIABLE LESS THAN 10 KT. WIND WAVES 2 FT OR LESS. MIXED  
SWELL W 2 TO 3 FT AND S 1 FT.    
SUN...WIND VARIABLE LESS THAN 10 KT
 
BECOMING W 10 TO 15 KT IN  
THE AFTERNOON. WIND WAVES 2 FT OR LESS. MIXED SWELL W 2 TO 3 FT  
AND S 1 FT.    
SUN NIGHT
 
WIND NW 10 TO 15 KT WITH GUSTS TO 20 KT IN THE  
EVENING...BECOMING VARIABLE LESS THAN 10 KT. WIND WAVES 3 FT IN  
THE EVENING...BECOMING 2 FT OR LESS. MIXED SWELL W 1 TO 2 FT AND  
S 1 FT.  
 

 
 
PZZ775-202230-  
WATERS FROM SAN MATEO POINT TO THE MEXICAN BORDER EXTENDING 30 TO  
60 NM OUT INCLUDING SAN CLEMENTE ISLAND-  
147 AM PDT WED SEP 20 2017  
   
TODAY
 
WIND S 10 KT. WIND WAVES 2 FT OR LESS. MIXED SWELL W  
3 TO 4 FT AT 9 SECONDS AND SW 2 FT AT 11 SECONDS.    
TONIGHT...WIND W TO 10 KT
 
BECOMING 10 TO 15 KT AFTER MIDNIGHT.  
WIND WAVES 2 FT OR LESS. MIXED SWELL W 2 TO 4 FT AT 9 SECONDS AND  
SW 2 FT AT 11 SECONDS.    
THU
 
WIND W 10 TO 20 KT WITH GUSTS TO 25 KT. WIND WAVES 4 FT.  
MIXED SWELL W 4 TO 7 FT AT 8 SECONDS AND SW 1 FT AT 14 SECONDS.  
SLIGHT CHANCE OF SHOWERS.    
THU NIGHT
 
WIND NW 10 TO 20 KT WITH GUSTS TO 25 KT. WIND WAVES  
4 FT. SWELL NW 6 TO 8 FT AT 8 SECONDS. SWELL SW 1 FT.    
FRI
 
WIND NW 10 TO 15 KT WITH GUSTS TO 25 KT. WIND WAVES 3 FT.  
MIXED SWELL W 4 TO 7 FT AT 9 SECONDS AND S 1 FT AT 12 SECONDS.    
FRI NIGHT
 
WIND W 10 TO 20 KT WITH GUSTS TO 25 KT. WIND WAVES  
4 FT. SWELL W 4 TO 6 FT. SWELL SW 1 FT.    
SAT
 
WIND W 10 KT. GUSTS TO 15 KT IN THE AFTERNOON. WIND WAVES  
2 FT OR LESS. MIXED SWELL W 3 TO 5 FT AND SW 1 FT.    
SAT NIGHT
 
WIND NW 10 TO 15 KT WITH GUSTS TO 20 KT. WIND WAVES  
3 FT IN THE EVENING...BECOMING 2 FT OR LESS. MIXED SWELL W 3 TO  
4 FT AND S 1 FT.    
SUN...WIND VARIABLE LESS THAN 10 KT
 
BECOMING W 10 KT IN THE  
AFTERNOON. WIND WAVES 2 FT OR LESS. MIXED SWELL W 2 TO 3 FT AND S  
1 FT.    
SUN NIGHT
 
WIND NW 10 TO 15 KT WITH GUSTS TO 20 KT. WIND WAVES  
3 TO 4 FT IN THE EVENING...BECOMING 2 FT OR LESS. MIXED SWELL W  
1 TO 2 FT AND S 1 FT.  
 

 
 
HARRISON  
 
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