FZUS56 KLOX 172020 CWFLOX Coastal Waters Forecast for California National Weather Service Los Angeles/Oxnard CA 120 PM PDT Mon Aug 17 2026 Point Piedras Blancas to San Mateo Point CA out 60 NM including the Channel Islands National Marine Sanctuary. 120 PM 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 18Z or 11 AM PDT, a 1030 mb surface high was about 600 NM W of Portland, while a 1010 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- 120 PM PDT Mon Aug 17 2026
TONIGHT NW wind 10 to 15 kt with gusts to 20 kt, becoming 5 to 10 kt after midnight. Seas 4 to 5 ft. Wave Detail: NW 4 ft at 6 seconds and S 2 ft at 14 seconds. Patchy fog after midnight.
TUE NW wind 5 to 10 kt, becoming 10 to 15 kt with gust to 20 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 6 seconds and S 2 ft at 14 seconds. Patchy fog in the morning.
TUE NIGHT NW wind 10 to 15 kt with gusts to 20 kt, becoming NW 5 to 10 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.
WED NW wind 5 to 10 kt, becoming 10 to 15 kt with gusts to 20 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 10 to 15 kt with gusts to 20 kt, becoming 5 to 10 kt after midnight. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 7 seconds and S 2 ft at 15 seconds. Patchy fog.
THU NW wind 5 to 10 kt, becoming 15 to 20 kt with gusts 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.
THU NIGHT NW wind 15 to 20 kt with gusts to 25 kt, becoming 10 to 15 kt after midnight. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 7 seconds and S 2 ft at 14 seconds.
FRI NW wind 10 to 15 kt, becoming 15 to 20 kt with gusts to 25 kt in the afternoon. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 7 seconds and S 2 ft at 14 seconds.
FRI NIGHT NW wind 15 to 20 kt with gusts to 25 kt, becoming 10 to 15 kt after midnight. Seas 4 to 6 ft. Wave Detail: NW 6 ft at 7 seconds and S 2 ft at 14 seconds.
SAT NW wind 10 to 15 kt, becoming 15 to 20 kt with gusts to 25 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 7 seconds and S 2 ft at 14 seconds.
SAT NIGHT NW wind 15 to 20 kt with gusts to 25 kt, becoming 10 to 15 kt after midnight. Seas 4 to 6 ft. Wave Detail: NW 6 ft at 7 seconds and S 2 ft at 14 seconds.
Point Piedras Blancas to Point Sal from 10 to 60 NM- 120 PM PDT Mon Aug 17 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TUESDAY NIGHT...
TONIGHT NW wind 15 to 20 kt with gusts to 25 kt. Seas 5 to 6 ft. Wave Detail: NW 5 ft at 6 seconds and S 2 ft at 14 seconds. Patchy fog after midnight.
TUE NW wind 15 to 20 kt with gusts to 25 kt. Seas 6 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 15 to 20 kt with gusts to 25 kt. Seas 7 ft. Wave Detail: NW 7 ft at 7 seconds and S 3 ft at 15 seconds. Patchy fog.
WED NW wind 15 to 20 kt with gusts to 25 kt. Seas 6 to 7 ft. Wave Detail: NW 7 ft at 8 seconds and S 2 ft at 15 seconds. Patchy fog in the morning.
WED NIGHT NW wind 15 to 20 kt with gusts to 25 kt. Seas 7 to 8 ft. Wave Detail: NW 8 ft at 8 seconds and S 2 ft at 15 seconds. Patchy fog.
THU NW wind 15 to 20 kt with gusts to 25 kt. Seas 6 to 8 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 15 to 20 kt with gusts to 25 kt. Seas 6 to 7 ft. Wave Detail: NW 7 ft at 7 seconds and S 2 ft at 14 seconds.
FRI NW wind 15 to 20 kt with gusts to 25 kt. Seas 6 to 7 ft. Wave Detail: NW 6 ft at 7 seconds and S 2 ft at 14 seconds.
FRI NIGHT NW wind 15 to 20 kt with gusts to 25 kt. Seas 6 to 7 ft. Wave Detail: NW 7 ft at 7 seconds and S 2 ft at 14 seconds.
SAT NW wind 15 to 20 kt with gusts to 25 kt. Seas 6 to 7 ft. Wave Detail: NW 6 ft at 7 seconds and S 2 ft at 14 seconds.
SAT NIGHT NW wind 15 to 20 kt with gusts to 25 kt. Seas 6 to 7 ft. Wave Detail: NW 7 ft at 8 seconds and S 2 ft at 15 seconds.
Waters from Pt. Sal to Santa Cruz Island CA and westward 60 nm including San Miguel and Santa Rosa Islands- 120 PM PDT Mon Aug 17 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TUESDAY NIGHT...
TONIGHT NW wind 20 to 30 kt. Seas 5 to 6 ft. Wave Detail: NW 6 ft at 6 seconds and S 2 ft at 14 seconds. Patchy fog after midnight.
TUE NW wind 20 to 25 kt. Seas 6 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. Seas 7 ft. Wave Detail: NW 7 ft at 7 seconds and S 3 ft at 15 seconds. Patchy fog.
WED NW wind 15 to 25 kt. Seas 6 to 7 ft. Wave Detail: NW 7 ft at 8 seconds and S 2 ft at 15 seconds. Patchy fog in the morning.
WED NIGHT NW wind 20 to 25 kt. Seas 6 to 7 ft. Wave Detail: NW 7 ft at 7 seconds and S 2 ft at 15 seconds. Patchy fog.
THU NW wind 20 to 25 kt. Seas 6 to 7 ft. Wave Detail: NW 7 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 6 to 7 ft. Wave Detail: NW 7 ft at 8 seconds and S 2 ft at 14 seconds.
FRI NW wind 20 to 25 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 8 seconds and S 2 ft at 14 seconds.
FRI NIGHT NW wind 20 to 30 kt. Seas 5 to 7 ft. Wave Detail: NW 7 ft at 7 seconds and S 2 ft at 14 seconds.
SAT NW wind 20 to 30 kt. Seas 5 to 7 ft. Wave Detail: NW 7 ft at 7 seconds and S 2 ft at 13 seconds.
SAT NIGHT NW wind 20 to 30 kt. Seas 5 to 7 ft. Wave Detail: NW 7 ft at 7 seconds and S 2 ft at 15 seconds.
Outer waters from Santa Cruz Island to San Clemente Island to 60 NM offshore including San Nicolas and Santa Barbara Islands- 120 PM PDT Mon Aug 17 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TUESDAY NIGHT...
TONIGHT NW wind 15 to 20 kt with gusts to 25 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 6 seconds and S 2 ft at 14 seconds. Patchy fog after midnight.
TUE NW wind 15 to 20 kt with gusts to 25 kt. Seas 4 to 6 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 15 to 25 kt. Seas 5 to 7 ft. Wave Detail: NW 7 ft at 7 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. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 7 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 5 to 7 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. Seas 4 to 6 ft. Wave Detail: NW 5 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 4 to 6 ft. Wave Detail: NW 5 ft at 8 seconds and S 2 ft at 14 seconds.
FRI NIGHT NW wind 15 to 25 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 7 seconds and S 2 ft at 14 seconds.
SAT NW wind 15 to 25 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 8 seconds and S 2 ft at 13 seconds.
SAT NIGHT NW wind 20 to 30 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 8 seconds and S 2 ft at 15 seconds.
East Santa Barbara Channel from Pt. Conception to Pt. Mugu CA including Santa Cruz Island- 120 PM PDT Mon Aug 17 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
TONIGHT Western Portion, NW wind 15 to 20 kt with gusts to 25 kt. Eastern Portion, W wind 10 to 15 kt this evening, becoming 5 to 10 kt after midnight. Seas 3 to 5 ft. Wave Detail: W 4 ft at 6 seconds.
TUE Western Portion, NW wind 10 to 15 kt, becoming 15 to 20 kt with gust to 25 kt in the afternoon. Eastern Portion, Light winds becoming W 10 to 15 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: W 4 ft at 7 seconds. Patchy fog in the morning.
TUE NIGHT Western Portion, NW wind 15 to 20 kt with gusts to 25 kt. Eastern Portion, W wind 10 to 15 kt in the evening, becoming light. Seas 3 to 5 ft. Wave Detail: W 4 ft at 8 seconds. Patchy fog after midnight.
WED Light winds, becoming W 10 to 15 kt with gusts to 20 kt in the afternoon. Strongest western portion. Seas 2 to 4 ft. Wave Detail: W 3 ft at 7 seconds. Patchy fog in the morning.
WED NIGHT Western Portion, W wind 10 to 15 kt with gusts to 20 kt. Eastern Portion, W wind 10 to 15 kt in the evening, becoming light. Seas 2 to 4 ft. Wave Detail: NW 4 ft at 7 seconds. Patchy fog after midnight.
THU Light winds, becoming W 10 to 15 kt with gusts to 20 kt in the afternoon. Strongest western portion. Seas 2 to 4 ft. Wave Detail: W 3 ft at 7 seconds. Patchy fog in the morning.
THU NIGHT Western Portion, NW wind 10 to 15 kt with gusts to 20 kt. Eastern Portion, W wind 10 to 15 kt in the evening, becoming light. Seas 2 to 4 ft. Wave Detail: W 3 ft at 7 seconds.
FRI Light winds, becoming W 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: W 2 ft at 7 seconds.
FRI NIGHT Western Portion, NW wind 10 to 15 kt with gusts to 20 kt. Eastern Portion, W wind 10 to 15 kt in the evening, becoming light. Seas 2 to 4 ft. Wave Detail: W 3 ft at 7 seconds.
SAT Western Portion, NW wind 10 to 15 kt with gusts to 20 kt. Eastern Portion, light winds, becoming W 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 8 seconds.
SAT NIGHT Western Portion, NW wind 15 to 20 kt with gusts to 25 kt. Eastern Portion, W wind 10 to 15 kt in the evening, becoming light. Seas 2 to 4 ft. Wave Detail: W 3 ft at 7 seconds.
Inner waters from Point Mugu to San Mateo Pt. CA including Santa Catalina and Anacapa Islands- 120 PM PDT Mon Aug 17 2026
TONIGHT W wind 10 to 15 kt this evening, becoming light. Seas 3 to 5 ft. Wave Detail: W 4 ft at 6 seconds and S 2 ft at 14 seconds. Patchy fog after midnight.
TUE Light winds, becoming W 10 to 15 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: W 2 ft at 7 seconds and S 2 ft at 14 seconds. Patchy fog in the morning.
TUE NIGHT W wind 10 to 15 kt in the evening, becoming light. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 6 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 7 seconds and S 2 ft at 15 seconds. Patchy fog in the morning.
WED NIGHT W wind 10 to 15 kt in the evening, becoming light. Seas 2 to 4 ft. Wave Detail: W 3 ft at 6 seconds and S 2 ft at 15 seconds. Patchy fog.
THU Light winds, becoming W 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: W 2 ft at 7 seconds and S 2 ft at 15 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 7 seconds and S 2 ft at 14 seconds.
FRI Light winds, becoming W 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: W 2 ft at 7 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 7 seconds and S 2 ft at 14 seconds.
SAT Light winds, becoming W 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: W 2 ft at 7 seconds.
SAT NIGHT W wind 10 to 15 kt in the evening, becoming light. Seas 2 to 3 ft. Wave Detail: W 2 ft at 7 seconds.
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