FZUS56 KLOX 181512 CWFLOX Coastal Waters Forecast for California National Weather Service Los Angeles/Oxnard CA 712 AM PST Thu Dec 18 2025 Point Piedras Blancas to San Mateo Point CA out 60 NM including the Channel Islands National Marine Sanctuary ...See weather.gov/marine/wavedetail for more info on the new Wave Detail format... 712 AM PST Thu Dec 18 2025 .Synopsis for the southern California coast and Santa Barbara Channel including the Channel Islands National Marine Sanctuary and National Park...at 15Z, or 7 AM PST, a 1023 mb surface high was about 450 NM west of Point Conception. A 1012 mb thermal low was over southeastern California.
Point Piedras Blancas to Point Sal westward out to 10 NM- 712 AM PST Thu Dec 18 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON PST TODAY THROUGH THIS EVENING...
TODAY N to NE wind 5 to 10 kt, becoming NW 15 to 20 kt with gusts to 25 kt this afternoon. Seas 5 to 6 ft. Wave Detail: N 2 ft at 6 seconds and W 5 ft at 12 seconds. Patchy dense fog this morning with vsby 1 NM or less.
TONIGHT NW wind 15 to 25 kt, becoming 10 to 20 kt after midnight. Seas 5 to 7 ft. Wave Detail: NW 4 ft at 7 seconds and NW 6 ft at 11 seconds. Patchy fog after midnight.
FRI NW wind 10 to 20 kt, becoming 15 to 25 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: NW 4 ft at 6 seconds and W 4 ft at 11 seconds. Patchy fog in the morning.
FRI NIGHT NW wind 15 to 25 kt, becoming 10 to 15 kt after midnight. Seas 5 to 6 ft. Wave Detail: NW 4 ft at 5 seconds and NW 6 ft at 12 seconds. Patchy fog after midnight.
SAT N wind 5 to 10 kt, becoming NW 10 to 15 kt in the afternoon. Seas 5 to 6 ft. Wave Detail: N 2 ft at 5 seconds and NW 6 ft at 11 seconds. Patchy fog in the morning.
SAT NIGHT NW wind 10 to 15 kt in the evening, becoming light. Seas 4 to 6 ft. Wave Detail: N 2 ft at 3 seconds and NW 5 ft at 12 seconds. A slight chance of rain in the evening, then a chance of rain after midnight.
SUN Light winds, becoming S 5 to 10 kt in the afternoon. Seas 4 to 5 ft. Wave Detail: W 5 ft at 11 seconds. A chance of rain.
SUN NIGHT Light winds. Seas 4 to 5 ft. Wave Detail: W 5 ft at 11 seconds. A chance of rain.
MON S wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: W 4 ft at 10 seconds. A chance of rain.
MON NIGHT W wind 5 to 10 kt, becoming SE after midnight. Seas 3 to 5 ft. Wave Detail: W 4 ft at 10 seconds. A chance of rain.
Point Piedras Blancas to Point Sal from 10 to 60 NM- 712 AM PST Thu Dec 18 2025
...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING...
TODAY NW wind 15 to 20 kt with gusts to 25 kt. Seas 7 ft. Wave Detail: N 3 ft at 6 seconds and NW 6 ft at 12 seconds. Patchy dense fog this morning with vsby 1 NM or less.
TONIGHT NW wind 20 to 25 kt. Seas 7 ft. Wave Detail: NW 5 ft at 6 seconds and NW 6 ft at 11 seconds. Patchy fog after midnight.
FRI NW wind 15 to 25 kt. Seas 6 to 7 ft. Wave Detail: NW 5 ft at 6 seconds and NW 6 ft at 10 seconds. Patchy fog in the morning.
FRI NIGHT NW wind 15 to 25 kt, becoming 10 to 20 kt after midnight. Seas 6 to 7 ft. Wave Detail: NW 2 ft at 5 seconds and NW 7 ft at 12 seconds. A slight chance of rain in the evening, then a chance of rain after midnight. Patchy fog after midnight.
SAT NW wind 10 to 15 kt. Seas 6 to 7 ft. Wave Detail: NW 2 ft at 5 seconds and NW 7 ft at 12 seconds. Patchy fog in the morning. A slight chance of rain.
SAT NIGHT W wind 10 to 15 kt. Seas 6 to 7 ft. Wave Detail: W 2 ft at 5 seconds and NW 6 ft at 12 seconds. A chance of rain.
SUN SW wind 5 to 10 kt, becoming 10 to 15 kt in the afternoon. Seas 5 to 6 ft. Wave Detail: NW 6 ft at 11 seconds. Rain likely.
SUN NIGHT S wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: W 6 ft at 11 seconds. Rain likely.
MON SW wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: W 5 ft at 10 seconds. A chance of rain in the morning, then rain likely in the afternoon.
MON NIGHT SW wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: SW 2 ft at 3 seconds, W 5 ft at 10 seconds and SW 2 ft at 14 seconds. A chance of rain.
Waters from Pt. Sal to Santa Cruz Island CA and westward 60 nm including San Miguel and Santa Rosa Islands- 712 AM PST Thu Dec 18 2025
...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE FRIDAY NIGHT...
TODAY NW wind 15 to 25 kt with gusts to 30 kt. Seas 7 to 8 ft. Wave Detail: NW 7 ft at 7 seconds and W 5 ft at 12 seconds. Patchy dense fog this morning with vsby 1 NM or less.
TONIGHT NW wind 20 to 30 kt. Local gusts to 35 kt in the evening. Seas 7 to 8 ft. Wave Detail: NW 6 ft at 7 seconds and NW 5 ft at 11 seconds. Patchy fog after midnight.
FRI NW wind 20 to 30 kt. Seas 6 to 8 ft. Wave Detail: NW 6 ft at 7 seconds and NW 5 ft at 11 seconds. Patchy fog in the morning.
FRI NIGHT NW wind 20 to 30 kt. Seas 6 to 7 ft. Wave Detail: NW 6 ft at 6 seconds and NW 6 ft at 12 seconds. Patchy fog after midnight.
SAT NW wind 15 to 25 kt. Seas 6 to 7 ft. Wave Detail: NW 3 ft at 6 seconds and NW 7 ft at 12 seconds. Patchy fog in the morning.
SAT NIGHT NW wind 15 to 20 kt, becoming 10 to 15 kt after midnight. Seas 5 to 7 ft. Wave Detail: NW 2 ft at 5 seconds and NW 7 ft at 12 seconds.
SUN W wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: NW 6 ft at 12 seconds. A chance of rain.
SUN NIGHT W wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 11 seconds. A chance of rain.
MON W wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: W 5 ft at 11 seconds. A slight chance of rain.
MON NIGHT W wind 5 to 10 kt, becoming SW after midnight. Seas 4 to 5 ft. Wave Detail: W 5 ft at 10 seconds. A chance of rain.
Outer waters from Santa Cruz Island to San Clemente Island to 60 NM offshore including San Nicolas and Santa Barbara Islands- 712 AM PST Thu Dec 18 2025
...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE FRIDAY NIGHT...
TODAY NW wind 15 to 25 kt with gusts to 30 kt. Seas 6 to 9 ft. Wave Detail: NW 8 ft at 8 seconds and W 4 ft at 11 seconds. Patchy dense fog this morning with vsby 1 NM or less.
TONIGHT NW wind 20 to 30 kt. Local gusts to 35 kt in the evening. Seas 6 to 8 ft. Wave Detail: NW 7 ft at 9 seconds. Patchy fog after midnight.
FRI NW wind 20 to 30 kt. Seas 6 to 8 ft. Wave Detail: NW 7 ft at 8 seconds and W 5 ft at 11 seconds. Patchy fog in the morning.
FRI NIGHT NW wind 20 to 30 kt. Seas 6 to 8 ft. Wave Detail: NW 7 ft at 7 seconds and NW 3 ft at 10 seconds. Patchy fog after midnight.
SAT NW wind 15 to 25 kt, becoming 10 to 20 kt in the afternoon. Seas 5 to 7 ft. Wave Detail: NW 2 ft at 6 seconds and NW 6 ft at 11 seconds. Patchy fog in the morning.
SAT NIGHT NW wind 10 to 20 kt. Seas 4 to 6 ft. Wave Detail: NW 2 ft at 5 seconds and NW 5 ft at 11 seconds.
SUN NW wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: NW 5 ft at 12 seconds.
SUN NIGHT NW wind 5 to 10 kt in the evening, becoming light. Seas 3 to 5 ft. Wave Detail: W 4 ft at 11 seconds.
MON Light winds. Seas 3 to 5 ft. Wave Detail: W 4 ft at 11 seconds.
MON NIGHT Light winds, becoming SW 5 to 10 kt after midnight. Seas 2 to 4 ft. Wave Detail: W 4 ft at 10 seconds. A slight chance of rain.
East Santa Barbara Channel from Pt. Conception to Pt. Mugu CA including Santa Cruz Island- 712 AM PST Thu Dec 18 2025
TODAY Western Portion, NW wind 10 to 15 kt with gusts to 20 kt. Eastern portion, light winds, becoming W 5 to 10 kt this afternoon. Seas 4 to 6 ft. Wave Detail: NW 3 ft at 8 seconds and W 4 ft at 10 seconds.
TONIGHT Western Portion, NW wind 15 to 20 kt. Local gusts to 25 kt in the evening. Eastern Portion, W wind 5 to 10 kt becoming NW after midnight. Seas 3 to 5 ft. Wave Detail: W 4 ft at 9 seconds.
FRI Western Portion, NW wind 15 to 20 kt becoming W 20 to 25 kt in the afternoon. Eastern Portion, N wind 5 to 10 kt becoming W 10 to 15 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: W 4 ft at 8 seconds.
FRI NIGHT Western Portion, NW wind 20 to 25 kt becoming 10 to 20 kt after midnight. Eastern Portion, W wind 10 to 15 kt becoming light after midnight. Seas 4 to 6 ft. Wave Detail: W 5 ft at 8 seconds.
SAT NE wind 10 to 15 kt, becoming W 5 to 10 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: W 3 ft at 9 seconds.
SAT NIGHT NW wind 10 to 15 kt, becoming N 5 to 10 kt after midnight. Seas 2 to 4 ft. Wave Detail: W 3 ft at 11 seconds.
SUN Light winds. Seas 2 to 3 ft. Wave Detail: W 3 ft at 11 seconds.
SUN NIGHT W wind 5 to 10 kt in the evening, becoming light. Seas 2 to 3 ft. Wave Detail: W 3 ft at 11 seconds.
MON Light winds. Seas 2 to 3 ft. Wave Detail: W 3 ft at 10 seconds.
MON NIGHT W wind 5 to 10 kt in the evening, becoming light. Seas 2 to 3 ft. Wave Detail: W 3 ft at 10 seconds.
Inner waters from Point Mugu to San Mateo Pt. CA including Santa Catalina and Anacapa Islands- 712 AM PST Thu Dec 18 2025
TODAY NW to N wind 5 to 10 kt, becoming W this afternoon. Seas 3 to 5 ft. Wave Detail: W 4 ft at 9 seconds. Patchy dense fog this morning with vsby 1 NM or less.
TONIGHT W wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: W 4 ft at 10 seconds.
FRI N wind 5 to 10 kt, becoming W 10 to 15 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: W 3 ft at 10 seconds.
FRI NIGHT W wind 10 to 20 kt, becoming NW 10 to 15 kt after midnight. Seas 3 to 5 ft. Wave Detail: W 3 ft at 8 seconds. Patchy fog after midnight.
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. Patchy fog in the morning.
SAT NIGHT W wind 5 to 10 kt in the evening, becoming light. Seas 2 to 3 ft. Wave Detail: W 2 ft at 10 seconds.
SUN Light winds. Seas 2 to 3 ft. Wave Detail: W 2 ft at 12 seconds.
SUN NIGHT NW wind 5 to 10 kt. Seas 2 ft. Wave Detail: W 2 ft at 11 seconds.
MON Light winds, becoming W 5 to 10 kt in the afternoon. Seas 2 ft. Wave Detail: W 2 ft at 11 seconds.
MON NIGHT W wind 5 to 10 kt in the evening, becoming light. Seas 2 ft. Wave Detail: W 2 ft at 10 seconds.
RAT www.weather.gov/losangeles
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