FZUS56 KLOX 212043 CWFLOX Coastal Waters Forecast for California National Weather Service Los Angeles/Oxnard CA 143 PM PDT Mon Sep 21 2026 Point Piedras Blancas to San Mateo Point CA out 60 NM including the Channel Islands National Marine Sanctuary. 143 PM PDT Mon Sep 21 2026 .Synopsis for the southern California coast and Santa Barbara Channel including the Channel Islands National Marine Sanctuary and National Park...at 20Z or 1 PM PDT, a 1024 mb surface high was 900 NM W of Point Conception, while a 1007 mb thermal low was over the border of SE California and Arizona.
Point Piedras Blancas to Point Sal westward out to 10 NM- 143 PM PDT Mon Sep 21 2026
TONIGHT NW wind 10 to 15 kt. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 7 seconds and SW 2 ft at 17 seconds. Patchy fog after midnight.
TUE NW wind 10 to 15 kt, becoming 15 to 25 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 9 seconds and SW 3 ft at 16 seconds. Patchy fog in the morning.
TUE NIGHT NW wind 15 to 25 kt, becoming 10 to 20 kt after midnight. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 9 seconds and SW 3 ft at 15 seconds. Patchy fog.
WED NW wind 10 to 20 kt. Seas 5 to 7 ft. Wave Detail: N 2 ft at 10 seconds, NW 6 ft at 11 seconds and SW 2 ft at 15 seconds. Patchy fog in the morning.
WED NIGHT NW wind 10 to 15 kt in the evening, becoming light. Seas 5 to 7 ft. Wave Detail: N 2 ft at 9 seconds, NW 6 ft at 11 seconds and SW 2 ft at 15 seconds. Patchy fog after midnight.
THU Light winds, becoming NW 5 to 10 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 10 seconds and S 3 ft at 14 seconds. Patchy fog in the morning.
THU NIGHT NW wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: NW 4 ft at 8 seconds, NW 5 ft at 11 seconds and S 3 ft at 14 seconds.
FRI Light winds, becoming NW 15 to 20 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: NW 4 ft at 9 seconds and S 3 ft at 13 seconds.
FRI NIGHT NW wind 10 to 20 kt. Seas 5 to 7 ft. Wave Detail: NW 5 ft at 9 seconds and S 3 ft at 13 seconds.
SAT NW wind 10 to 20 kt. Seas 5 to 7 ft. Wave Detail: NW 5 ft at 9 seconds and S 3 ft at 12 seconds.
SAT NIGHT NW wind 10 to 20 kt. Seas 4 to 5 ft.
Point Piedras Blancas to Point Sal from 10 to 60 NM- 143 PM PDT Mon Sep 21 2026
TONIGHT NW wind 10 to 20 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 7 seconds and SW 2 ft at 16 seconds. Patchy fog after midnight.
TUE NW wind 10 to 20 kt, becoming 15 to 25 kt in the afternoon. Seas 5 to 6 ft, building to 6 to 8 ft. Wave Detail: NW 7 ft at 8 seconds, S 3 ft at 13 seconds and NW 3 ft at 15 seconds. Patchy fog in the morning.
TUE NIGHT NW wind 20 to 25 kt becoming 10 to 20 kt late. Seas 7 to 10 ft. Wave Detail: NW 9 ft at 8 seconds, NW 2 ft at 14 seconds and S 2 ft at 16 seconds. Patchy fog.
WED NW wind 10 to 20 kt. Local gusts to 25 kt in the afternoon. Seas 8 to 9 ft. Wave Detail: NW 8 ft at 11 seconds and S 3 ft at 15 seconds. Patchy fog in the morning.
WED NIGHT NW wind 10 to 20 kt. Seas 7 to 8 ft. Wave Detail: N 8 ft at 9 seconds, NW 6 ft at 10 seconds and S 3 ft at 15 seconds. Patchy fog after midnight.
THU NW wind 10 to 20 kt. Local gusts to 25 kt in the evening. Seas 6 to 7 ft. Wave Detail: NW 7 ft at 10 seconds and S 5 ft at 14 seconds. Patchy fog in the morning.
THU NIGHT NW wind 10 to 20 kt. Seas 6 to 8 ft. Wave Detail: NW 7 ft at 8 seconds, NW 6 ft at 11 seconds and S 4 ft at 14 seconds.
FRI NW wind 10 to 20 kt. Seas 6 to 8 ft. Wave Detail: NW 7 ft at 7 seconds and S 3 ft at 13 seconds.
FRI NIGHT NW wind 15 to 25 kt. Seas 7 to 9 ft. Wave Detail: NW 8 ft at 10 seconds and S 3 ft at 13 seconds.
SAT NW wind 15 to 20 kt. Seas 7 to 9 ft. Wave Detail: NW 8 ft at 9 seconds and S 3 ft at 13 seconds.
SAT NIGHT NW wind 15 to 20 kt. Seas 6 to 7 ft.
Waters from Pt. Sal to Santa Cruz Island CA and westward 60 nm including San Miguel and Santa Rosa Islands- 143 PM PDT Mon Sep 21 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
TONIGHT NW wind 15 to 25 kt. Seas 5 ft. Wave Detail: NW 5 ft at 7 seconds and S 3 ft at 11 seconds. Patchy fog after midnight.
TUE NW wind 10 to 20 kt becoming 15 to 25 kt in the afternoon. Seas 4 to 5 ft, building to 5 to 7 ft. Wave Detail: NW 6 ft at 8 seconds and SW 3 ft at 16 seconds. Patchy fog in the morning.
TUE NIGHT NW wind 15 to 25 kt becoming 10 to 20 kt late. Seas 6 to 9 ft. Wave Detail: NW 8 ft at 8 seconds, NW 3 ft at 15 seconds and S 2 ft at 15 seconds. Patchy fog.
WED NW wind 10 to 20 kt. Seas 6 to 9 ft. Wave Detail: NW 7 ft at 10 seconds and S 3 ft at 15 seconds. Patchy fog in the morning.
WED NIGHT NW wind 10 to 20 kt. Seas 6 to 8 ft. Wave Detail: NW 7 ft at 10 seconds and S 3 ft at 15 seconds. Patchy fog after midnight.
THU N wind 5 to 10 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 10 seconds and S 3 ft at 14 seconds. Patchy fog in the morning.
THU NIGHT NW wind 10 to 20 kt. Seas 5 to 7 ft. Wave Detail: N 2 ft at 8 seconds, NW 6 ft at 11 seconds and S 3 ft at 14 seconds.
FRI NW wind 10 to 20 kt. Seas 6 to 8 ft. Wave Detail: NW 7 ft at 9 seconds and S 3 ft at 13 seconds.
FRI NIGHT NW wind 15 to 25 kt, becoming 20 to 25 kt after midnight. Seas 6 to 8 ft. Wave Detail: NW 8 ft at 9 seconds and S 3 ft at 13 seconds.
SAT NW wind 10 to 20 kt. Seas 6 to 8 ft. Wave Detail: NW 8 ft at 9 seconds and S 3 ft at 12 seconds.
SAT NIGHT NW wind 15 to 20 kt. Seas 5 to 7 ft.
Outer waters from Santa Cruz Island to San Clemente Island to 60 NM offshore including San Nicolas and Santa Barbara Islands- 143 PM PDT Mon Sep 21 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
TONIGHT NW wind 15 to 25 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 6 seconds and SW 2 ft at 15 seconds. Patchy fog after midnight.
TUE NW wind 10 to 20 kt becoming 15 to 25 kt in the afternoon. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 7 seconds and SW 2 ft at 16 seconds. Patchy fog in the morning.
TUE NIGHT NW wind 15 to 25 kt becoming 10 to 20 kt late. Seas 5 to 7 ft. Wave Detail: NW 7 ft at 8 seconds and S 3 ft at 15 seconds. Patchy fog.
WED NW wind 15 to 20 kt, becoming W in the afternoon. Seas 5 to 7 ft. Wave Detail: NW 5 ft at 9 seconds and S 2 ft at 15 seconds. Patchy fog in the morning.
WED NIGHT W wind 10 to 15 kt, becoming 5 to 10 kt after midnight. Seas 4 to 6 ft. Wave Detail: NW 2 ft at 8 seconds, NW 5 ft at 11 seconds and S 3 ft at 15 seconds. Patchy fog after midnight.
THU Light winds. Seas 4 to 6 ft. Wave Detail: NW 4 ft at 10 seconds and SW 3 ft at 13 seconds. Patchy fog in the morning.
THU NIGHT W wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: NW 4 ft at 10 seconds and S 3 ft at 13 seconds.
FRI W wind 5 to 10 kt becoming 10 to 20 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: NW 4 ft at 11 seconds and S 3 ft at 13 seconds.
FRI NIGHT NW wind 10 to 20 kt. Seas 5 to 7 ft. Wave Detail: NW 5 ft at 9 seconds and S 3 ft at 13 seconds.
SAT NW wind 15 to 20 kt, becoming W 10 to 15 kt in the afternoon. Seas 5 to 7 ft. Wave Detail: NW 5 ft at 9 seconds and S 3 ft at 12 seconds.
SAT NIGHT NW wind 10 to 20 kt. Seas 4 to 6 ft.
East Santa Barbara Channel from Pt. Conception to Pt. Mugu CA including Santa Cruz Island- 143 PM PDT Mon Sep 21 2026
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM PDT THIS EVENING...
TONIGHT Western Portion, W wind 15 to 25 kt becoming 10 to 20 kt after midnight. Eastern Portion, 10 to 20 kt becoming light late. Seas 3 to 4 ft. Wave Detail: W 4 ft at 6 seconds and SW 2 ft at 15 seconds.
TUE Western Portion, NW wind 10 to 20 kt becoming W 15 to 25 kt in the afternoon. Eastern Portion, Light winds becoming W 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: W 2 ft at 7 seconds. Patchy fog in the morning.
TUE NIGHT W wind 15 to 25 kt, becoming 10 to 15 kt late. Seas 3 to 5 ft. Wave Detail: W 4 ft at 6 seconds and W 2 ft at 9 seconds.
WED Light winds becoming W 10 to 15 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: W 3 ft at 9 seconds. Patchy fog in the morning.
WED NIGHT W wind 5 to 10 kt, becoming SE after midnight. Seas 2 to 3 ft. Wave Detail: W 2 ft at 10 seconds.
THU SE wind 5 to 10 kt in the morning, becoming light. Seas 2 to 3 ft. Wave Detail: W 2 ft at 9 seconds. Patchy fog in the morning.
THU NIGHT W wind 5 to 10 kt in the evening, becoming light. Seas 2 to 3 ft. Wave Detail: W 2 ft at 9 seconds.
FRI Light winds. Seas 2 to 3 ft. Wave Detail: W 2 ft at 9 seconds.
FRI NIGHT NW wind 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: W 3 ft at 8 seconds.
SAT Light winds, becoming SW 5 to 10 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: W 3 ft at 8 seconds.
SAT NIGHT NW wind 10 to 15 kt. Seas 2 to 3 ft.
Inner waters from Point Mugu to San Mateo Pt. CA including Santa Catalina and Anacapa Islands- 143 PM PDT Mon Sep 21 2026
TONIGHT W wind 10 to 15 kt becoming 5 to 10 kt late. Seas 2 to 4 ft. Wave Detail: W 3 ft at 6 seconds and SW 2 ft at 16 seconds. Patchy fog after midnight.
TUE W wind 5 to 10 kt, becoming 10 to 20 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: W 2 ft at 7 seconds and SW 2 ft at 16 seconds. Patchy fog in the morning.
TUE NIGHT W wind 10 to 20 kt in the evening, becoming light. Seas 2 to 4 ft. Wave Detail: NW 3 ft at 6 seconds and SW 2 ft at 16 seconds. Patchy fog.
WED Light winds, becoming SW 5 to 10 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: W 2 ft at 8 seconds and SW 2 ft at 15 seconds. Patchy fog in the morning.
WED NIGHT SW wind 5 to 10 kt, becoming SE after midnight. Seas 2 to 3 ft. Wave Detail: W 2 ft at 8 seconds and SW 2 ft at 14 seconds. Patchy fog after midnight.
THU Light winds, becoming SW 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: W 2 ft at 9 seconds and SW 2 ft at 14 seconds. Patchy fog in the morning.
THU NIGHT W wind 10 to 15 kt in the evening, becoming light. Seas 2 to 3 ft. Wave Detail: W 2 ft at 9 seconds and SW 2 ft at 13 seconds.
FRI Light winds, becoming W 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: W 2 ft at 9 seconds and SW 2 ft at 13 seconds.
FRI NIGHT W wind 10 to 20 kt in the evening, becoming light. Seas 2 to 3 ft. Wave Detail: W 2 ft at 5 seconds and S 2 ft at 13 seconds.
SAT Light winds, becoming W 5 to 10 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: NW 3 ft at 7 seconds and S 2 ft at 12 seconds.
SAT NIGHT W wind 10 to 15 kt, becoming 5 to 10 kt after midnight. Seas 2 ft.
Lewis www.weather.gov/losangeles
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