FZUS56 KLOX 171404 CWFLOX Coastal Waters Forecast for California National Weather Service Los Angeles/Oxnard CA 704 AM PDT Mon Aug 17 2026 Point Piedras Blancas to San Mateo Point CA out 60 NM including the Channel Islands National Marine Sanctuary. 704 AM PDT Mon Aug 17 2026 .Synopsis for the southern California coast and Santa Barbara Channel including the Channel Islands National Marine Sanctuary and National Park...at 12Z or 5 AM PDT, a 1030 mb surface high was about 600 NM W of Portland, while a 1008 mb thermal low was located over southern Nevada. Gusty northwest winds and steep, choppy seas will affect much of the waters over the next several days.
Point Piedras Blancas to Point Sal westward out to 10 NM- 704 AM PDT Mon Aug 17 2026
TODAY Light winds, becoming NW 10 to 15 kt with gusts to 20 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 6 seconds and S 2 ft at 14 seconds.
TONIGHT NW wind 10 to 20 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 7 seconds and S 2 ft at 14 seconds. Patchy fog after midnight.
TUE NW wind 10 to 20 kt, becoming 20 to 25 kt in the afternoon. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 7 seconds and S 2 ft at 14 seconds. Patchy fog in the morning.
TUE NIGHT NW wind 20 to 25 kt, becoming 10 to 20 kt after midnight. Seas 5 to 7 ft. Wave Detail: NW 7 ft at 8 seconds and S 2 ft at 15 seconds. Patchy fog.
WED NW wind 10 to 15 kt, becoming 15 to 25 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 8 seconds and S 2 ft at 15 seconds. Patchy fog in the morning.
WED 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 8 seconds and S 2 ft at 15 seconds. Patchy fog.
THU NW wind 10 to 20 kt, becoming 15 to 25 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: NW 6 ft at 8 seconds and S 2 ft at 15 seconds. Patchy fog in the morning.
THU 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 8 seconds and S 2 ft at 14 seconds.
FRI NW wind 10 to 20 kt, becoming 15 to 25 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 8 seconds and S 2 ft at 14 seconds.
FRI NIGHT NW wind 20 to 30 kt, becoming 15 to 25 kt after midnight. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 8 seconds and S 2 ft at 14 seconds.
Point Piedras Blancas to Point Sal from 10 to 60 NM- 704 AM PDT Mon Aug 17 2026
TODAY NW wind 10 to 15 kt with gusts to 20 kt. Seas 5 to 6 ft. Wave Detail: NW 5 ft at 6 seconds and S 2 ft at 14 seconds.
TONIGHT NW wind 20 to 25 kt. Seas 6 to 7 ft. Wave Detail: NW 7 ft at 7 seconds and S 2 ft at 14 seconds. Patchy fog after midnight.
TUE NW wind 20 to 25 kt. Seas 6 to 8 ft. Wave Detail: NW 7 ft at 7 seconds and S 2 ft at 14 seconds. Patchy fog in the morning.
TUE NIGHT NW wind 25 to 30 kt, becoming 20 to 25 kt after midnight. Seas 8 to 9 ft. Wave Detail: NW 9 ft at 8 seconds and S 3 ft at 15 seconds. Patchy fog.
WED NW wind 20 to 25 kt. Seas 7 to 8 ft. Wave Detail: NW 7 ft at 7 seconds and S 3 ft at 15 seconds. Patchy fog in the morning.
WED NIGHT NW wind 20 to 25 kt. Seas 7 to 9 ft. Wave Detail: NW 8 ft at 8 seconds and S 2 ft at 15 seconds. Patchy fog.
THU NW wind 20 to 25 kt. Seas 7 to 9 ft. Wave Detail: NW 8 ft at 8 seconds and S 2 ft at 15 seconds. Patchy fog in the morning.
THU NIGHT NW wind 20 to 25 kt. Seas 7 to 9 ft. Wave Detail: NW 8 ft at 8 seconds and S 2 ft at 14 seconds.
FRI NW wind 20 to 25 kt. Seas 6 to 8 ft. Wave Detail: NW 7 ft at 7 seconds and S 2 ft at 14 seconds.
FRI NIGHT NW wind 20 to 25 kt. Seas 7 to 9 ft. Wave Detail: NW 8 ft at 8 seconds and S 2 ft at 14 seconds.
Waters from Pt. Sal to Santa Cruz Island CA and westward 60 nm including San Miguel and Santa Rosa Islands- 704 AM PDT Mon Aug 17 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TUESDAY NIGHT...
TODAY NW wind 15 to 20 kt with gusts to 25 kt. Seas 5 to 6 ft. Wave Detail: NW 5 ft at 7 seconds and S 3 ft at 14 seconds.
TONIGHT NW wind 20 to 30 kt, becoming 25 to 30 kt after midnight. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 7 seconds and S 2 ft at 14 seconds. Patchy fog after midnight.
TUE NW wind 20 to 25 kt. Seas 6 to 8 ft. Wave Detail: NW 7 ft at 8 seconds and S 2 ft at 14 seconds. Patchy fog in the morning.
TUE NIGHT NW wind 25 to 30 kt. Seas 7 to 9 ft. Wave Detail: NW 8 ft at 8 seconds and S 2 ft at 15 seconds. Patchy fog.
WED NW wind 20 to 25 kt with gusts to 30 kt. Seas 6 to 8 ft. Wave Detail: NW 7 ft at 8 seconds and S 3 ft at 15 seconds. Patchy fog in the morning.
WED NIGHT NW wind 25 to 30 kt. Seas 6 to 8 ft. Wave Detail: NW 7 ft at 8 seconds and S 2 ft at 15 seconds. Patchy fog.
THU NW wind 20 to 30 kt. Seas 6 to 8 ft. Wave Detail: NW 8 ft at 9 seconds and S 2 ft at 15 seconds. Patchy fog in the morning.
THU NIGHT NW wind 25 to 30 kt. Seas 6 to 8 ft. Wave Detail: NW 7 ft at 8 seconds and S 2 ft at 14 seconds.
FRI NW wind 20 to 30 kt. Seas 6 to 8 ft. Wave Detail: NW 7 ft at 8 seconds and S 2 ft at 14 seconds.
FRI NIGHT NW wind 25 to 30 kt. Seas 7 to 8 ft. Wave Detail: NW 8 ft at 8 seconds and S 2 ft at 14 seconds.
Outer waters from Santa Cruz Island to San Clemente Island to 60 NM offshore including San Nicolas and Santa Barbara Islands- 704 AM PDT Mon Aug 17 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TUESDAY NIGHT...
TODAY NW wind 15 to 20 kt with gusts to 25 kt. Seas 5 to 6 ft. Wave Detail: NW 5 ft at 7 seconds and S 3 ft at 14 seconds.
TONIGHT NW wind 20 to 30 kt. Seas 6 to 8 ft. Wave Detail: NW 7 ft at 7 seconds and S 2 ft at 14 seconds. Patchy fog after midnight.
TUE NW wind 15 to 25 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 8 seconds and S 2 ft at 14 seconds. Patchy fog in the morning.
TUE NIGHT NW wind 20 to 30 kt, becoming 15 to 25 kt after midnight. Seas 6 to 8 ft. Wave Detail: NW 8 ft at 8 seconds and S 2 ft at 15 seconds. Patchy fog.
WED NW wind 15 to 25 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 8 seconds and S 2 ft at 15 seconds. Patchy fog in the morning.
WED NIGHT NW wind 15 to 25 kt, becoming 20 to 30 kt after midnight. Seas 6 to 8 ft. Wave Detail: NW 7 ft at 8 seconds and S 2 ft at 15 seconds. Patchy fog.
THU NW wind 15 to 25 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 9 seconds and S 2 ft at 15 seconds. Patchy fog in the morning.
THU NIGHT NW wind 15 to 25 kt. Seas 5 to 7 ft. Wave Detail: NW 7 ft at 8 seconds and S 2 ft at 14 seconds.
FRI NW wind 15 to 25 kt, becoming 10 to 20 kt in the afternoon. Seas 5 to 7 ft. Wave Detail: NW 5 ft at 9 seconds and S 2 ft at 14 seconds.
FRI NIGHT NW wind 15 to 25 kt. Seas 5 to 7 ft. Wave Detail: NW 7 ft at 8 seconds and S 2 ft at 14 seconds.
East Santa Barbara Channel from Pt. Conception to Pt. Mugu CA including Santa Cruz Island- 704 AM PDT Mon Aug 17 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
TODAY Western portion, W wind 10 to 15 kt, becoming 15 to 20 kt with gusts to 25 kt in the afternoon. Eastern portion, light winds, becoming W 10 to 15 kt this afternoon. Seas 2 to 4 ft. Wave Detail: W 4 ft at 7 seconds.
TONIGHT Western Portion, W wind 15 to 25 kt becoming NW 10 to 20 kt after midnight. Eastern Portion, W wind 10 to 20 kt becoming 5 to 10 kt after midnight. Seas 3 to 5 ft. Wave Detail: NW 5 ft at 7 seconds.
TUE W wind 10 to 15 kt, becoming 10 to 20 kt with gusts to 25 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: W 3 ft at 8 seconds. Patchy fog in the morning.
TUE NIGHT Western Portion, W wind 20 to 25 kt becoming NW 10 to 20 kt after midnight. Eastern Portion, W wind 10 to 15 kt becoming 5 to 10 kt after midnight. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 8 seconds. Patchy fog after midnight.
WED Western Portion, NW wind 15 to 25 kt. Eastern Portion, SW wind 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: W 3 ft at 8 seconds. Patchy fog in the morning.
WED NIGHT Western Portion, NW wind 15 to 20 kt. Eastern Portion, W wind 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 7 seconds and W 2 ft at 11 seconds. Patchy fog after midnight.
THU Western Portion, NW wind 10 to 20 kt. Eastern Portion, W wind 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: NW 3 ft at 8 seconds. Patchy fog in the morning.
THU NIGHT Western Portion, NW wind 10 to 20 kt. Eastern Portion, SW wind 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: W 4 ft at 8 seconds.
FRI Light winds, becoming W 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: W 3 ft at 9 seconds.
FRI NIGHT Western Portion, NW wind 10 to 20 kt. Eastern Portion, SW wind 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: NW 4 ft at 7 seconds.
Inner waters from Point Mugu to San Mateo Pt. CA including Santa Catalina and Anacapa Islands- 704 AM PDT Mon Aug 17 2026
TODAY NW wind 5 to 10 kt, becoming W 10 to 15 kt with gusts to 20 kt this afternoon. Strongest western portion. Seas 3 to 5 ft. Wave Detail: W 3 ft at 8 seconds and S 2 ft at 14 seconds.
TONIGHT W wind 10 to 15 kt with gusts to 20 kt, becoming NW 5 to 10 kt after midnight. Strongest western portion. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 7 seconds and S 2 ft at 14 seconds. Patchy fog after midnight.
TUE W wind 5 to 10 kt, becoming 10 to 15 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: W 3 ft at 8 seconds and S 2 ft at 14 seconds. Patchy fog in the morning.
TUE NIGHT W wind 10 to 20 kt, becoming 5 to 10 kt after midnight. Seas 3 to 5 ft. Wave Detail: W 4 ft at 8 seconds and S 2 ft at 15 seconds. Patchy fog.
WED Light winds, becoming W 10 to 15 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: W 2 ft at 8 seconds and S 2 ft at 16 seconds. Patchy fog in the morning.
WED NIGHT W wind 10 to 15 kt, becoming SW 5 to 10 kt after midnight. Seas 3 to 4 ft. Wave Detail: W 3 ft at 8 seconds and S 2 ft at 15 seconds. Patchy fog.
THU 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 S 2 ft at 15 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 8 seconds, NW 2 ft at 8 seconds and S 2 ft at 14 seconds.
FRI Light winds, becoming SW 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: W 2 ft at 8 seconds and S 2 ft at 14 seconds.
FRI NIGHT W wind 10 to 15 kt in the evening, becoming light. Seas 2 to 3 ft. Wave Detail: W 2 ft at 8 seconds.
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