La Jolla, CA Coastal Forecast

FZUS56 KSGX 180902
CWFSGX

Coastal Waters Forecast for California
National Weather Service San Diego CA
202 AM PDT Tue Aug 18 2026

San Mateo Point to the Mexican border out 60 nm

PZZ700-182200-
202 AM PDT Tue Aug 18 2026

.Synopsis for the far Southern CA coast...
At 1 AM, a 1026 mb high was 400 nautical miles west of Cape
Mendocino and a 1008 mb extended from Las Vegas south to the
northern Gulf of California. Brisk onshore flow today and tonight
will be followed by weak onshore flow Wednesday through Saturday.

$$

PZZ740-182200-
Coastal Waters from San Mateo Point to the Mexican Border and out
to 10 nm-
202 AM PDT Tue Aug 18 2026

.TODAY...Wind NW 10 kt. Seas 4 ft. Wave Detail: W 3 ft at
5 seconds and SW 2 ft at 14 seconds.
.TONIGHT...Wind NW 10 kt in the evening...becoming variable less
than 10 kt. Seas 4 ft. Wave Detail: W 3 ft at 5 seconds and S
2 ft at 15 seconds.
.WED...Wind variable less than 10 kt...becoming SW 10 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: W 1 foot at 4 seconds, W
3 ft at 7 seconds and S 2 ft at 16 seconds.
.WED NIGHT...Wind S 10 kt in the evening...becoming 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.
.THU...Wind variable less than 10 kt...becoming SW 10 kt in the
afternoon. Seas 3 ft. Wave Detail: W 2 ft at 5 seconds and S 2 ft
at 15 seconds.
.THU NIGHT...Wind variable less than 10 kt. Seas 3 ft. Wave
Detail: SW 2 ft at 5 seconds and S 2 ft at 15 seconds.
.FRI...Wind variable less than 10 kt. Seas 3 ft. Wave Detail: SW
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: W 2 ft at 6 seconds and S 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 7 seconds and S 2 ft at 14 seconds.
.SAT NIGHT...Wind variable less than 10 kt. Seas 3 ft. Wave
Detail: W 2 ft at 8 seconds and S 2 ft at 15 seconds.

$$

PZZ745-182200-
Waters from San Mateo Point to the Mexican Border Extending 10 to
60 nm out including San Clemente Island-
202 AM PDT Tue Aug 18 2026

.TODAY...Wind NW 10 to 15 kt with gusts to 20 kt. Seas 4 to 6 ft.
Wave Detail: W 4 ft at 5 seconds and S 2 ft at 14 seconds.
.TONIGHT...Wind W 10 to 15 kt with gusts to 20 kt. Seas 4 to
6 ft. Wave Detail: NW 4 ft at 5 seconds and S 2 ft at 15 seconds.
.WED...Wind W 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: W 2 ft at
4 seconds, W 4 ft at 7 seconds and S 2 ft at 16 seconds.
.WED NIGHT...Wind SW 10 kt...becoming W after midnight. Seas 3 to
5 ft. Wave Detail: W 1 foot at 4 seconds, W 3 ft at 7 seconds and
S 2 ft at 15 seconds.
.THU...Wind variable less than 10 kt...becoming W 10 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: W 3 ft at 6 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 7 seconds and S 2 ft at
15 seconds.
.FRI...Wind variable less than 10 kt. Seas 3 to 4 ft. Wave
Detail: W 2 ft at 7 seconds and S 2 ft at 14 seconds.
.FRI NIGHT...Wind variable less than 10 kt. Seas 3 ft. Wave
Detail: W 2 ft at 7 seconds and S 2 ft at 14 seconds.
.SAT...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
2 ft at 8 seconds and S 2 ft at 13 seconds.
.SAT NIGHT...Wind NW 10 kt. Seas 3 to 5 ft. Wave Detail: W 1 foot
at 4 seconds, W 3 ft at 9 seconds and S 2 ft at 15 seconds.

$$