163
FZUS56 KSGX 210821
CWFSGX

Coastal Waters Forecast for California
National Weather Service San Diego CA
121 AM PDT Sun Sep 21 2025

San Mateo Point to the Mexican border out 60 nm

PZZ700-212130-
121 AM PDT Sun Sep 21 2025

.Synopsis for the far Southern California coast...
At 1 AM, a 1027 mb high was 1100 nautical miles west of Point
Conception and a broad 1009 mb low was over southwestern Arizona.
A disturbance southwest of the Baja California Peninsula will
bring moisture to the region today through Tuesday. Periods of
light rain expected with a slight chance (5-10%) for a stray
thunderstorm today and Tuesday. Any storms could produce
lightning, gusty and erratic winds, and choppy seas. Otherwise,
steady onshore flow will prevail through Thursday.

$$

PZZ740-212130-
Coastal Waters from San Mateo Point to the Mexican Border and out
to 10 nm-
121 AM PDT Sun Sep 21 2025

.TODAY...Wind NW 10 kt. Seas 3 to 4 ft. Wave Detail: NW 2 ft at
5 seconds and S 2 ft at 13 seconds. A chance of showers.
.TONIGHT...Wind NW 10 kt. Seas 3 ft. Wave Detail: NW 2 ft at
5 seconds and S 2 ft at 12 seconds. A slight chance of showers.
.MON...Wind variable less than 10 kt...becoming NW 10 kt in the
afternoon. Seas 3 ft. Wave Detail: NW 2 ft at 5 seconds and S
1 foot at 12 seconds.
.MON NIGHT...Wind NW 10 kt in the evening...becoming variable
less than 10 kt. Seas 2 ft or less. Wave Detail: NW 2 ft at
5 seconds and S 1 foot at 12 seconds.
.TUE...Wind variable less than 10 kt...becoming W 10 kt in the
afternoon. Seas 2 ft or less...becoming 3 ft in the afternoon. W
1 foot at 4 seconds, W 2 ft at 11 seconds and SW 1 foot at
17 seconds. A slight chance of showers.
.TUE NIGHT...Wind variable less than 10 kt. Seas 3 ft. Wave
Detail: W 1 foot at 4 seconds, W 2 ft at 11 seconds and SW 2 ft
at 15 seconds. A slight chance of showers.
.WED...Wind variable less than 10 kt...becoming NW 10 kt in the
afternoon. Seas 3 ft. Wave Detail: NW 1 foot at 4 seconds, W 2 ft
at 10 seconds and SW 2 ft at 15 seconds.
.WED NIGHT...Wind NW 10 kt in the evening... becoming variable
less than 10 kt. Seas 3 ft. Wave Detail: NW 1 foot at 4 seconds,
W 2 ft at 10 seconds and SW 2 ft at 14 seconds.
.THU...Wind variable less than 10 kt...becoming W 10 kt in the
afternoon. Seas 3 ft. Wave Detail: W 2 ft at 4 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 4 seconds and SW 2 ft at 14 seconds.

$$

PZZ745-212130-
Waters from San Mateo Point to the Mexican Border Extending 10 to
60 nm out including San Clemente Island-
121 AM PDT Sun Sep 21 2025

.TODAY...Wind NW 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: NW
3 ft at 5 seconds and S 2 ft at 13 seconds. A chance of showers.
.TONIGHT...Wind NW 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: NW
3 ft at 5 seconds and S 2 ft at 12 seconds. A slight chance of
showers in the evening.
.MON...Wind NW 10 kt. Seas 3 ft. Wave Detail: NW 2 ft at
5 seconds and S 2 ft at 12 seconds.
.MON NIGHT...Wind NW 10 kt in the evening...becoming variable
less than 10 kt. Seas 3 ft. Wave Detail: NW 2 ft at 5 seconds and
S 1 foot at 12 seconds.
.TUE...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 11 seconds and SW 2 ft at 17 seconds. A slight chance of
showers.
.TUE NIGHT...Wind NW 10 kt in the evening... becoming variable
less than 10 kt. Seas 3 ft. Wave Detail: W 1 foot at 4 seconds, W
2 ft at 11 seconds and SW 2 ft at 15 seconds. A slight chance of
showers.
.WED...Wind variable less than 10 kt...becoming NW 10 kt in the
afternoon. Seas 3 ft. Wave Detail: NW 1 foot at 4 seconds, NW
2 ft at 10 seconds and SW 2 ft at 15 seconds.
.WED NIGHT...Wind NW 10 kt. Seas 3 ft. Wave Detail: NW 1 foot at
4 seconds, NW 2 ft at 10 seconds and SW 2 ft at 14 seconds.
.THU...Wind variable less than 10 kt...becoming W 10 kt in the
afternoon. Seas 3 ft. Wave Detail: NW 2 ft at 4 seconds and SW
2 ft at 14 seconds.
.THU NIGHT...Wind NW 10 kt in the evening... becoming variable
less than 10 kt. Seas 3 ft. Wave Detail: W 2 ft at 4 seconds and
SW 2 ft at 14 seconds.

$$