FZUS56 KSGX 180903
CWFSGX

Coastal Waters Forecast for California
National Weather Service San Diego CA
203 AM PDT Mon May 18 2026

San Mateo Point to the Mexican border out 60 nm

PZZ700-182200-
203 AM PDT Mon May 18 2026

.Synopsis for the far Southern CA coast... 
At 1 AM, a 1022 mb high was over northwest Nevada and a 1009 mb
low covered the Southern California Bight. A robust coastal eddy
will spin this morning. A weaker, intermittent eddy is expected 
this week as weak onshore flow prevails.

$$

PZZ740-182200-
Coastal Waters from San Mateo Point to the Mexican Border and out
to 10 nm-
203 AM PDT Mon May 18 2026

.TODAY...Wind S 10 kt...becoming SW this afternoon. Seas 4 to
5 ft. Wave Detail: S 1 foot at 4 seconds, W 4 ft at 10 seconds
and S 2 ft at 14 seconds. 
.TONIGHT...Wind variable less than 10 kt. Seas 3 to 4 ft. Wave
Detail: W 1 foot at 4 seconds, W 4 ft at 9 seconds and S 2 ft at
15 seconds. 
.TUE...Wind W 10 kt. Seas 3 to 4 ft. Wave Detail: W 1 foot at
4 seconds, W 2 ft at 8 seconds and S 2 ft at 15 seconds. 
.TUE NIGHT...Wind variable less than 10 kt. Seas 3 ft. Wave
Detail: W 1 foot at 4 seconds, W 3 ft at 9 seconds and S 2 ft at
14 seconds. 
.WED...Wind variable less than 10 kt...becoming SW 10 kt in the
afternoon. Seas 3 ft. Wave Detail: SW 1 foot at 4 seconds, W 2 ft
at 9 seconds and S 2 ft at 15 seconds. 
.WED NIGHT...Wind S 10 kt. Seas 3 ft. Wave Detail: SW 1 foot at
4 seconds, W 2 ft at 13 seconds and S 2 ft at 14 seconds. 
.THU...Wind variable less than 10 kt...becoming SW 10 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: SW 1 foot at 4 seconds, W
2 ft at 8 seconds and S 2 ft at 14 seconds. 
.THU NIGHT...Wind variable less than 10 kt. Seas 3 ft. Wave
Detail: SW 1 foot at 4 seconds, W 2 ft at 8 seconds and S 2 ft at
15 seconds. 
.FRI...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
2 ft at 7 seconds and S 3 ft at 15 seconds. 
.FRI 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 S 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-
203 AM PDT Mon May 18 2026

.TODAY...Wind SE 10 kt...becoming SW this afternoon. Seas 5 to
7 ft. Wave Detail: SE 1 foot at 4 seconds, W 5 ft at 12 seconds
and S 2 ft at 14 seconds. 
.TONIGHT...Wind variable less than 10 kt. Seas 3 to 5 ft. Wave
Detail: W 1 foot at 4 seconds, W 4 ft at 11 seconds and S 2 ft at
15 seconds. 
.TUE...Wind variable less than 10 kt...becoming W 10 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: W 1 foot at 4 seconds, W
3 ft at 10 seconds and S 2 ft at 15 seconds. 
.TUE NIGHT...Wind SW 10 kt. Seas 3 to 4 ft. Wave Detail: W 1 foot
at 4 seconds, W 3 ft at 11 seconds and S 2 ft at 14 seconds. 
.WED...Wind variable less than 10 kt...becoming SW 10 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: SW 1 foot at 4 seconds, W
2 ft at 13 seconds and S 2 ft at 14 seconds. 
.WED NIGHT...Wind SW 10 kt. Seas 3 to 4 ft. Wave Detail: W 1 foot
at 4 seconds, W 2 ft at 13 seconds and S 2 ft at 14 seconds. 
.THU...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
2 ft at 12 seconds and S 3 ft at 15 seconds. 
.THU NIGHT...Wind variable less than 10 kt. Seas 3 to 4 ft. Wave
Detail: W 1 foot at 4 seconds, W 2 ft at 12 seconds and S 3 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 11 seconds and
S 3 ft at 14 seconds. 
.FRI NIGHT...Wind variable less than 10 kt. Seas 3 to 4 ft. Wave
Detail: W 1 foot at 4 seconds, W 2 ft at 11 seconds and S 2 ft at
14 seconds.  

$$