National Weather Service Marine Forecast FZUS56 KSGX

FZUS56 KSGX 192028
CWFSGX

Coastal Waters Forecast for California
National Weather Service San Diego CA
128 PM PDT Sat Sep 19 2026

San Mateo Point to the Mexican border out 60 nm

PZZ700-200915
128 PM PDT Sat Sep 19 2026

Synopsis for the far Southern CA coast

At 1 PM, a 1025 mb high was 600 nautical miles west of Point Conception and a 1010 mb low was over the lower Colorado River Valley. Weak to moderate northwesterly flow will persist into the middle of next week.

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PZZ740-200915
Coastal Waters from San Mateo Point to the Mexican Border and out to 10 nm
128 PM PDT Sat Sep 19 2026

TONIGHT
Wind variable less than 10 kt. Seas 3 ft. Wave Detail: W 2 ft at 6 seconds and S 2 ft at 15 seconds.

SUN
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 SW 2 ft at 15 seconds.

SUN NIGHT
Wind variable less than 10 kt. Seas 3 ft. Wave Detail: SW 1 foot at 4 seconds, SW 2 ft at 7 seconds and SW 2 ft at 16 seconds.

MON
Wind variable less than 10 kt...becoming SW 10 kt in the afternoon. Seas 3 ft. Wave Detail: SW 2 ft at 5 seconds and SW 2 ft at 16 seconds.

MON NIGHT
Wind W 10 kt in the evening...becoming variable less than 10 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at 5 seconds and SW 2 ft at 15 seconds.

TUE
Wind variable less than 10 kt...becoming W 10 to 15 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: W 3 ft at 5 seconds and SW 2 ft at 15 seconds.

TUE NIGHT
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 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 6 seconds and SW 2 ft at 14 seconds.

WED NIGHT
Wind variable less than 10 kt. Seas 3 ft. Wave Detail: W 1 foot at 4 seconds, W 2 ft at 9 seconds and SW 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 1 foot at 4 seconds, W 2 ft at 11 seconds and SW 3 ft at 14 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 11 seconds and SW 3 ft at 14 seconds.

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PZZ745-200915
Waters from San Mateo Point to the Mexican Border Extending 10 to 60 nm out including San Clemente Island
128 PM PDT Sat Sep 19 2026

TONIGHT
Wind W 10 kt this evening...becoming variable less than 10 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at 5 seconds and S 2 ft at 15 seconds.

SUN
Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: W 3 ft at 5 seconds and SW 2 ft at 15 seconds.

SUN NIGHT
Wind W 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 SW 2 ft at 16 seconds.

MON
Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: W 2 ft at 6 seconds and SW 2 ft at 16 seconds.

MON NIGHT
Wind NW 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: W 3 ft at 5 seconds and SW 2 ft at 15 seconds.

TUE
Wind NW 10 kt. Seas 4 to 5 ft. Wave Detail: NW 3 ft at 5 seconds and SW 2 ft at 15 seconds.

TUE NIGHT
Wind NW 10 kt in the evening... becoming variable less than 10 kt. Seas 4 to 5 ft. Wave Detail: NW 3 ft at 5 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: NW 3 ft at 5 seconds and SW 2 ft at 14 seconds.

WED NIGHT
Wind variable less than 10 kt. Seas 3 to 4 ft. Wave Detail: W 1 foot at 4 seconds, W 2 ft at 9 seconds and SW 3 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 1 foot at 4 seconds, W 2 ft at 11 seconds and SW 3 ft at 14 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 11 seconds and S 3 ft at 14 seconds.