FZUS56 KLOX 210931 CWFLOX Coastal Waters Forecast for California National Weather Service Los Angeles/Oxnard CA 231 AM PDT Fri Aug 21 2026 Point Piedras Blancas to San Mateo Point CA out 60 NM including the Channel Islands National Marine Sanctuary. 231 AM PDT Fri Aug 21 2026 .Synopsis for the southern California coast and Santa Barbara Channel including the Channel Islands National Marine Sanctuary and National Park...at 09Z or 2 AM PDT, a 1028 mb surface high was about 1000 NM NW of Eureka, CA while a 1007 mb thermal low was located near of Las Vegas.
Point Piedras Blancas to Point Sal westward out to 10 NM- 231 AM PDT Fri Aug 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON PDT TODAY THROUGH LATE TONIGHT...
TODAY NW wind 10 to 15 kt, becoming 15 to 25 kt this afternoon. Seas 4 to 5 ft. Wave Detail: NW 4 ft at 7 seconds, W 2 ft at 11 seconds and S 2 ft at 14 seconds. Patchy fog this morning.
TONIGHT NW wind 15 to 25 kt, becoming 10 to 20 kt after midnight. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 7 seconds and S 2 ft at 13 seconds. Patchy fog after midnight.
SAT 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 7 seconds and S 2 ft at 14 seconds. Patchy fog in the morning.
SAT 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.
SUN NW wind 10 to 20 kt. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 7 seconds and S 2 ft at 15 seconds. Patchy fog in the morning.
SUN NIGHT NW wind 10 to 20 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 7 seconds and S 2 ft at 15 seconds. Patchy fog after midnight.
MON NW wind 10 to 20 kt. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 7 seconds and S 2 ft at 14 seconds. Patchy fog in the morning.
MON NIGHT NW wind 10 to 20 kt. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 6 seconds and S 2 ft at 14 seconds.
TUE NW wind 10 to 20 kt, becoming 15 to 20 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 7 seconds and S 2 ft at 14 seconds.
TUE NIGHT NW wind 10 to 20 kt. Seas 3 to 5 ft. Wave Detail: NW 5 ft at 6 seconds and S 2 ft at 14 seconds.
Point Piedras Blancas to Point Sal from 10 to 60 NM- 231 AM PDT Fri Aug 21 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING...
TODAY NW wind 20 to 25 kt. Seas 6 to 7 ft. Wave Detail: NW 6 ft at 6 seconds, NW 2 ft at 11 seconds and S 2 ft at 14 seconds. Patchy fog this morning.
TONIGHT NW wind 20 to 25 kt. Seas 5 to 7 ft. Wave Detail: NW 7 ft at 7 seconds and S 2 ft at 13 seconds. Patchy fog after midnight.
SAT 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.
SAT NIGHT NW wind 20 to 25 kt. Seas 6 to 8 ft. Wave Detail: NW 8 ft at 7 seconds and S 2 ft at 15 seconds. Patchy fog.
SUN 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 in the morning.
SUN NIGHT NW wind 15 to 20 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 7 seconds and S 2 ft at 15 seconds. Patchy fog after midnight.
MON NW wind 15 to 20 kt. Seas 5 to 6 ft. Wave Detail: NW 6 ft at 7 seconds and S 2 ft at 14 seconds. Patchy fog in the morning.
MON NIGHT NW wind 15 to 20 kt. Seas 4 to 6 ft. Wave Detail: NW 6 ft at 6 seconds and S 2 ft at 14 seconds.
TUE NW wind 15 to 20 kt. Seas 5 to 6 ft. Wave Detail: NW 6 ft at 6 seconds and S 2 ft at 14 seconds.
TUE NIGHT NW wind 15 to 20 kt. Seas 6 to 7 ft, subsiding to 4 to 5 ft. Wave Detail: NW 6 ft at 7 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- 231 AM PDT Fri Aug 21 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING...
TODAY NW wind 20 to 25 kt. Seas 5 to 6 ft. Wave Detail: NW 5 ft at 7 seconds, NW 2 ft at 11 seconds and S 2 ft at 14 seconds. Patchy fog this morning.
TONIGHT NW wind 25 to 30 kt. Seas 6 to 7 ft. Wave Detail: NW 7 ft at 8 seconds and S 2 ft at 13 seconds. Patchy fog after midnight.
SAT 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.
SAT NIGHT NW wind 20 to 25 kt with gusts to 30 kt. Seas 6 to 8 ft. Wave Detail: NW 8 ft at 8 seconds and S 2 ft at 15 seconds. Patchy fog.
SUN NW wind 20 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.
SUN NIGHT NW wind 20 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 after midnight.
MON NW wind 15 to 25 kt. Seas 5 to 6 ft. Wave Detail: NW 5 ft at 7 seconds and S 2 ft at 14 seconds. Patchy fog in the morning.
MON NIGHT NW wind 20 to 25 kt. Seas 4 to 6 ft. Wave Detail: NW 6 ft at 7 seconds and S 2 ft at 14 seconds.
TUE NW wind 20 to 30 kt. Seas 5 to 6 ft. Wave Detail: NW 6 ft at 7 seconds and S 2 ft at 14 seconds.
TUE NIGHT NW wind 20 to 30 kt. Seas 6 to 7 ft, subsiding to 5 ft. Wave Detail: NW 6 ft at 7 seconds and S 3 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- 231 AM PDT Fri Aug 21 2026
...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING...
TODAY NW wind 10 to 20 kt. Gusts to 25 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 7 seconds, W 2 ft at 11 seconds and S 2 ft at 14 seconds. Patchy fog this morning.
TONIGHT NW wind 15 to 25 kt. Seas 5 to 7 ft. Wave Detail: NW 7 ft at 7 seconds and S 2 ft at 13 seconds. Patchy fog after midnight.
SAT NW wind 15 to 25 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 8 seconds and S 2 ft at 13 seconds. Patchy fog in the morning.
SAT NIGHT NW wind 15 to 25 kt. Seas 6 to 8 ft. Wave Detail: NW 7 ft at 7 seconds and S 2 ft at 15 seconds. Patchy fog.
SUN 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. Patchy fog in the morning.
SUN 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 14 seconds. Patchy fog after midnight.
MON NW wind 15 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.
MON NIGHT NW wind 20 to 25 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 7 seconds and S 2 ft at 14 seconds.
TUE NW wind 15 to 25 kt. Seas 4 to 6 ft. Wave Detail: NW 6 ft at 7 seconds and S 2 ft at 13 seconds.
TUE NIGHT NW wind 20 to 30 kt. Seas 6 to 8 ft, subsiding to 5 to 6 ft. Wave Detail: NW 7 ft at 7 seconds and S 3 ft at 14 seconds.
East Santa Barbara Channel from Pt. Conception to Pt. Mugu CA including Santa Cruz Island- 231 AM PDT Fri Aug 21 2026
TODAY W wind 5 to 10 kt, becoming 10 to 20 kt this afternoon. Seas 2 to 4 ft. Wave Detail: W 3 ft at 7 seconds. Patchy fog this morning.
TONIGHT Western Portion, NW wind 15 to 25 kt becoming 10 to 20 kt after midnight. Eastern Portion, W wind 5 to 10 kt becoming light after midnight. Seas 3 to 5 ft. Wave Detail: W 4 ft at 8 seconds. Patchy fog after midnight.
SAT W wind 5 to 10 kt, becoming 10 to 20 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: W 3 ft at 8 seconds.
SAT NIGHT Western Portion, NW wind 10 to 20 kt. Eastern Portion, W wind 5 to 10 kt. Seas 4 to 6 ft, subsiding to 3 to 4 ft. Wave Detail: W 5 ft at 7 seconds.
SUN NW wind 10 to 15 kt, becoming W 10 to 20 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: W 3 ft at 8 seconds.
SUN NIGHT Western Portion, NW wind 15 to 20 kt. Eastern Portion, W wind 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: W 4 ft at 7 seconds.
MON 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 7 seconds.
MON NIGHT W wind 15 to 25 kt, becoming NW 20 to 30 kt after midnight. Seas 3 to 5 ft. Wave Detail: W 4 ft at 7 seconds.
TUE Western Portion, NW wind 15 to 20 kt. Eastern Portion, W wind 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: NW 3 ft at 7 seconds.
TUE NIGHT NW wind 20 to 30 kt. Seas 4 to 6 ft, subsiding to 3 to 4 ft. Wave Detail: W 5 ft at 7 seconds.
Inner waters from Point Mugu to San Mateo Pt. CA including Santa Catalina and Anacapa Islands- 231 AM PDT Fri Aug 21 2026
TODAY Light winds, becoming W 5 to 10 kt this afternoon. Seas 2 to 3 ft. Wave Detail: W 2 ft at 7 seconds and S 2 ft at 14 seconds. Patchy fog this morning.
TONIGHT W wind 5 to 10 kt in the evening, becoming light. Seas 2 to 3 ft. Wave Detail: W 2 ft at 7 seconds and S 2 ft at 13 seconds. Patchy fog after midnight.
SAT Light winds, becoming W 10 to 15 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: W 3 ft at 8 seconds and S 2 ft at 13 seconds. Patchy fog in the morning.
SAT NIGHT W wind 10 to 15 kt, becoming 5 to 10 kt after midnight. Seas 2 to 4 ft. Wave Detail: W 3 ft at 6 seconds, W 3 ft at 9 seconds and S 2 ft at 15 seconds. Patchy fog after midnight.
SUN Light winds, becoming W 10 to 15 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: W 3 ft at 9 seconds and S 2 ft at 15 seconds. Patchy fog in the morning.
SUN NIGHT W wind 10 to 20 kt, becoming 5 to 10 kt after midnight. Seas 3 to 4 ft. Wave Detail: W 3 ft at 7 seconds and S 2 ft at 14 seconds. Patchy fog after midnight.
MON NW wind 5 to 10 kt, becoming W 10 to 15 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: W 3 ft at 8 seconds and S 2 ft at 14 seconds. Patchy fog in the morning.
MON NIGHT W wind 10 to 20 kt. Seas 2 to 4 ft. Wave Detail: W 3 ft at 6 seconds and S 2 ft at 14 seconds.
TUE NW wind 10 to 15 kt, becoming W 10 to 20 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: W 3 ft at 9 seconds and S 2 ft at 14 seconds.
TUE NIGHT W wind 15 to 25 kt. Seas 3 to 5 ft. Wave Detail: W 4 ft at 6 seconds and S 2 ft at 14 seconds.
Phillips www.weather.gov/losangeles
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