National Weather Service Marine Forecast FZUS56 KSGX

FZUS56 KSGX 130834
CWFSGX

Coastal Waters Forecast for California
National Weather Service San Diego CA
134 AM PDT Fri Mar 13 2026

San Mateo Point to the Mexican border out 60 nm

PZZ700-132130
134 AM PDT Fri Mar 13 2026

Synopsis for the far Southern California coast

At 1AM, a 1031 mb high was 350 nautical miles west of San Francisco and trough of low pressure down near 1016 mb was draped across western Arizona. Weak offshore flow this morning becomes northwesterly this afternoon. A coastal eddy is expected to bring south-southwesterly winds on Saturday into Sunday, with more steady onshore flow expected by Sunday afternoon and each afternoon through mid next week.

---

PZZ740-132130
Coastal Waters from San Mateo Point to the Mexican Border and out to 10 nm
134 AM PDT Fri Mar 13 2026

TODAY
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 16 seconds.

TONIGHT
Wind variable less than 10 kt. Seas 3 ft. Wave Detail: W 2 ft at 9 seconds and S 2 ft at 15 seconds.

SAT
Wind variable less than 10 kt...becoming S 10 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: S 1 foot at 4 seconds, W 2 ft at 9 seconds and S 2 ft at 14 seconds.

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

SUN
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 9 seconds and S 2 ft at 13 seconds.

SUN 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 13 seconds.

MON
Wind variable less than 10 kt...becoming NW 10 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: NW 1 foot at 4 seconds, W 2 ft at 9 seconds and SW 3 ft at 18 seconds.

MON NIGHT
Wind variable less than 10 kt. Seas 3 to 4 ft. Wave Detail: NW 1 foot at 4 seconds, W 2 ft at 11 seconds and S 3 ft at 17 seconds.

TUE
Wind variable less than 10 kt...becoming NW 10 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: NW 1 foot at 4 seconds, W 2 ft at 10 seconds and S 3 ft at 16 seconds.

TUE NIGHT
Wind variable less than 10 kt. Seas 3 to 4 ft. Wave Detail: NW 1 foot at 4 seconds, W 2 ft at 10 seconds and S 3 ft at 15 seconds.

---

PZZ745-132130
Waters from San Mateo Point to the Mexican Border Extending 10 to 60 nm out including San Clemente Island
134 AM PDT Fri Mar 13 2026

TODAY
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 16 seconds.

TONIGHT
Wind variable less than 10 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at 9 seconds and S 2 ft at 15 seconds.

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

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

SUN
Wind variable less than 10 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at 9 seconds and S 2 ft at 13 seconds.

SUN NIGHT
Wind variable less than 10 kt. Seas 3 to 4 ft. Wave Detail: W 1 foot at 4 seconds, W 3 ft at 9 seconds and S 3 ft at 13 seconds.

MON
Wind variable less than 10 kt...becoming NW 10 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: NW 1 foot at 4 seconds, NW 2 ft at 9 seconds and S 3 ft at 18 seconds.

MON NIGHT
Wind NW 10 kt in the evening...becoming variable less than 10 kt. Seas 4 ft. Wave Detail: NW 1 foot at 4 seconds, NW 2 ft at 11 seconds and S 3 ft at 17 seconds.

TUE
Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Seas 4 ft. Wave Detail: NW 1 foot at 4 seconds, NW 2 ft at 10 seconds and S 4 ft at 16 seconds.

TUE NIGHT
Wind NW 10 kt in the evening... becoming variable less than 10 kt. Seas 4 ft. Wave Detail: NW 2 ft at 4 seconds, NW 2 ft at 10 seconds and S 4 ft at 15 seconds.