National Weather Service Marine Forecast FZUS56 KSGX
FZUS56 KSGX 171909
CWFSGX
Coastal Waters Forecast for California
National Weather Service San Diego CA
1209 PM PDT Sun May 17 2026
San Mateo Point to the Mexican border out 60 nm
PZZ700-180815
1209 PM PDT Sun May 17 2026
Synopsis for the far Southern CA coast
At 12 PM, a 1034 mb high was 350 nautical miles west of San Francisco and a 1000 mb low was over Las Vegas. A coastal eddy is expected tonight into Monday. Weak onshore flow will prevail through the forecast period.
PZZ740-180815
Coastal Waters from San Mateo Point to the Mexican Border and out
to 10 nm
1209 PM PDT Sun May 17 2026
TONIGHT
Wind SW 10 kt...becoming S after midnight. Seas 4 to
5 ft. Wave Detail: SE 2 ft at 4 seconds, W 4 ft at 12 seconds and
S 2 ft at 14 seconds.
MON
Wind S 10 kt...becoming SW in the afternoon. Seas 4 to
5 ft. Wave Detail: S 1 foot at 4 seconds, W 4 ft at 12 seconds
and S 2 ft at 14 seconds.
MON NIGHT
Wind SW 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 3 ft at 12 seconds and S 2 ft at 15 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 3 ft
at 11 seconds and S 2 ft at 15 seconds.
TUE NIGHT
Wind variable less than 10 kt. Seas 3 ft. Wave
Detail: W 1 foot at 4 seconds, W 3 ft at 11 seconds and S 2 ft at
15 seconds.
WED
Wind variable less than 10 kt. Seas 3 ft. Wave Detail: SW
1 foot at 4 seconds, W 2 ft at 14 seconds and S 2 ft at
15 seconds.
WED NIGHT
Wind variable less than 10 kt. Seas 3 ft. Wave
Detail: SW 1 foot at 4 seconds, W 2 ft at 13 seconds and S 2 ft
at 14 seconds.
THU
Wind variable less than 10 kt...becoming SW 10 kt in the
afternoon. Seas 3 ft. Wave Detail: SW 1 foot at 4 seconds, W 2 ft
at 12 seconds and S 2 ft at 14 seconds.
THU NIGHT
Wind variable less than 10 kt. Seas 3 ft. Wave
Detail: SW 1 foot at 4 seconds, W 2 ft at 12 seconds and S 2 ft
at 15 seconds.
FRI
Wind variable less than 10 kt...becoming SW 10 kt in the
afternoon. Seas 3 ft. Wave Detail: SW 1 foot at 4 seconds, W 2 ft
at 11 seconds and S 2 ft at 15 seconds.
FRI 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 S 2 ft at
14 seconds.
PZZ745-180815
Waters from San Mateo Point to the Mexican Border Extending 10 to
60 nm out including San Clemente Island
1209 PM PDT Sun May 17 2026
TONIGHT
Wind W 10 to 15 kt...becoming S after midnight. Seas
5 to 7 ft. Wave Detail: W 2 ft at 4 seconds, W 5 ft at 12 seconds
and S 2 ft at 14 seconds.
MON
Wind SE 10 kt...becoming SW in the afternoon. Seas 5 to
7 ft. Wave Detail: SE 1 foot at 4 seconds, W 5 ft at 12 seconds
and S 2 ft at 14 seconds.
MON NIGHT
Wind W 10 kt in the evening...becoming variable less
than 10 kt. Seas 3 to 5 ft. Wave Detail: W 1 foot at 4 seconds, W
3 ft at 12 seconds and S 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 1 foot at
4 seconds, W 3 ft at 11 seconds and S 2 ft at 15 seconds.
TUE 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
3 ft at 11 seconds and S 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: SW 1 foot at 4 seconds, W
2 ft at 14 seconds and S 2 ft at 15 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 13 seconds and S 2 ft at
14 seconds.
THU
Wind variable less than 10 kt...becoming W 10 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: SW 1 foot at 4 seconds, W
2 ft at 12 seconds and S 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 12 seconds and S 3 ft at
15 seconds.
FRI
Wind variable less than 10 kt...becoming W 10 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: W 2 ft at 11 seconds and
S 3 ft at 15 seconds.
FRI 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 2 ft at
14 seconds.
CO



