Coastal Waters Forecast
Issued by NWS San Diego, CA

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FZUS56 KSGX 180843
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Coastal Waters Forecast for California
National Weather Service San Diego CA
143 AM PDT Mon Aug 18 2025

San Mateo Point to the Mexican border out 60 nm

PZZ700-182115-
143 AM PDT Mon Aug 18 2025

.Synopsis for the far Southern California coast...
At 2 AM, a 1020 mb high was about 1400 nautical miles west of
Point Conception and a 1004 mb low covered the lower Colorado
River Valley. NV. Generally weak to moderate onshore flow will
continue in the afternoons/evenings this week with a coastal eddy
over the California Bight Monday and Tuesday mornings.

$$

PZZ740-182115-
Coastal Waters from San Mateo Point to the Mexican Border and out
to 10 nm-
143 AM PDT Mon Aug 18 2025

.TONIGHT...Wind variable less than 10 kt. Seas 3 ft. Wave Detail:
SW 2 ft at 5 seconds and SW 1 foot at 13 seconds.
.TUE...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 SW
1 foot at 16 seconds.
.TUE 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 7 seconds and SW 2 ft at 15 seconds.
.WED...Wind variable less than 10 kt...becoming W 10 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: W 3 ft at 7 seconds and
SW 2 ft at 15 seconds.
.WED NIGHT...Wind variable less than 10 kt. Seas 3 ft. Wave
Detail: W 3 ft at 7 seconds and SW 2 ft at 15 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 3 ft
at 8 seconds and SW 2 ft at 15 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 SW 2 ft
at 14 seconds.
.FRI...Wind variable less than 10 kt. Seas 3 ft. Wave Detail: W
1 foot at 4 seconds, W 2 ft at 8 seconds and SW 2 ft at
14 seconds.
.FRI 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 SW 2 ft
at 15 seconds.
.SAT...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
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
15 seconds.

$$

PZZ745-182115-
Waters from San Mateo Point to the Mexican Border Extending 10 to
60 nm out including San Clemente Island-
143 AM PDT Mon Aug 18 2025

.TONIGHT...Wind variable less than 10 kt...becoming SW 10 kt
after midnight. Seas 3 to 4 ft. Wave Detail: W 3 ft at 6 seconds
and S 1 foot at 13 seconds.
.TUE...Wind W 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at
5 seconds and SW 2 ft at 16 seconds.
.TUE NIGHT...Wind NW 10 to 15 kt with gusts to 20 kt. Seas 4 to
5 ft. Wave Detail: NW 3 ft at 4 seconds, W 4 ft at 7 seconds and
SW 2 ft at 15 seconds.
.WED...Wind W 10 kt. Seas 3 to 5 ft. Wave Detail: W 1 foot at
4 seconds, W 4 ft at 7 seconds and SW 2 ft at 15 seconds.
.WED NIGHT...Wind W 10 kt. Seas 3 to 4 ft. Wave Detail: W 2 ft at
4 seconds, W 3 ft at 7 seconds and S 2 ft at 15 seconds.
.THU...Wind variable less than 10 kt. Seas 3 to 4 ft. Wave
Detail: W 1 foot at 4 seconds, W 3 ft at 8 seconds and S 2 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 8 seconds and S 2 ft at
14 seconds.
.FRI...Wind variable less than 10 kt. Seas 3 ft. Wave Detail: W
1 foot at 4 seconds, W 2 ft at 8 seconds and S 2 ft at
14 seconds.
.FRI NIGHT...Wind variable less than 10 kt. Seas 3 ft. Wave
Detail: W 1 foot at 4 seconds, W 2 ft at 8 seconds and S 2 ft at
15 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 7 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 2 ft at 7 seconds and S 2 ft at
15 seconds.

$$