FZUS56 KLOX 171024 CWFLOX Coastal Waters Forecast for California National Weather Service Los Angeles/Oxnard CA 224 AM PST Wed Dec 17 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... 224 AM PST Wed Dec 17 2025 .Synopsis for the southern California coast and Santa Barbara Channel including the Channel Islands National Marine Sanctuary and National Park...at 10Z, or 2 AM PST, a 1026 mb surface high was about 550 NM west of Point Conception and extending to a 1023 mb ridge in the California Central Valley. A 1012 mb thermal trough was located near Cabo San Lucas with and extending to a 1017 mb inverted trough near Santa Barbara. To the north, a 982 mb surface trough was located over British Columbia with a frontal boundary stretching across the northern California coastal waters. Winds will increase through tonight as the surface trough to the north tightens the surface pattern.
Point Piedras Blancas to Point Sal westward out to 10 NM- 224 AM PST Wed Dec 17 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON PST TODAY THROUGH THIS EVENING...
TODAY NW wind 10 to 20 kt, becoming 15 to 25 kt this afternoon. Seas 5 to 7 ft. Wave Detail: N 2 ft at 6 seconds and W 6 ft at 12 seconds. Patchy dense fog. Vsby 1 NM or less.
TONIGHT N wind 10 to 20 kt. Gusts to 25 kt in the evening. Seas 5 to 6 ft. Wave Detail: NW 2 ft at 6 seconds and W 6 ft at 12 seconds.
THU N wind 10 to 20 kt, becoming NW 15 to 25 kt in the afternoon. Seas 5 to 6 ft. Wave Detail: N 2 ft at 6 seconds and W 6 ft at 11 seconds.
THU NIGHT NW wind 15 to 25 kt, becoming 10 to 15 kt after midnight. Seas 5 to 7 ft. Wave Detail: NW 2 ft at 6 seconds and NW 6 ft at 11 seconds.
FRI NW wind 10 to 15 kt, becoming 15 to 25 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: NW 3 ft at 5 seconds and W 5 ft at 11 seconds.
FRI NIGHT NW wind 10 to 20 kt, becoming N 10 to 15 kt after midnight. Seas 4 to 6 ft. Wave Detail: NW 4 ft at 6 seconds and W 5 ft at 11 seconds. Patchy fog after midnight.
SAT N wind 5 to 10 kt, becoming NW 10 to 15 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: N 2 ft at 4 seconds and W 6 ft at 11 seconds. Patchy fog in the morning. A slight chance of rain.
SAT NIGHT NW wind 10 to 15 kt, becoming 5 to 10 kt after midnight. Seas 4 to 6 ft. Wave Detail: W 5 ft at 12 seconds. A chance of rain.
SUN Light winds, becoming SW 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.
Point Piedras Blancas to Point Sal from 10 to 60 NM- 224 AM PST Wed Dec 17 2025
...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT...
TODAY NW wind 15 to 25 kt. Seas 6 to 7 ft. Wave Detail: NW 3 ft at 5 seconds and W 6 ft at 12 seconds. Patchy dense fog. Vsby 1 NM or less.
TONIGHT NW wind 15 to 25 kt. Seas 7 ft. Wave Detail: NW 5 ft at 5 seconds and W 6 ft at 12 seconds. Patchy dense fog. Vsby 1 NM or less.
THU NW wind 15 to 25 kt. Seas 7 to 8 ft. Wave Detail: N 3 ft at 6 seconds and NW 7 ft at 11 seconds. Patchy dense fog in the morning with vsby 1 NM or less.
THU NIGHT NW wind 20 to 25 kt. Seas 7 to 8 ft. Wave Detail: NW 3 ft at 6 seconds and NW 7 ft at 11 seconds. Patchy fog after midnight.
FRI NW wind 15 to 25 kt. Seas 6 to 7 ft. Wave Detail: NW 4 ft at 6 seconds and NW 6 ft at 10 seconds. Patchy fog in the morning. A slight chance of showers in the afternoon.
FRI NIGHT NW wind 10 to 20 kt. Seas 6 to 7 ft. Wave Detail: NW 2 ft at 5 seconds and NW 7 ft at 12 seconds. A slight chance of showers in the evening. Patchy fog after midnight.
SAT NW wind 5 to 10 kt, becoming 10 to 15 kt in the afternoon. Seas 6 to 7 ft. Wave Detail: NW 2 ft at 5 seconds and NW 7 ft at 13 seconds. A 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 7 ft at 12 seconds. A chance of rain.
SUN SW wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: NW 6 ft at 11 seconds. A chance of rain in the morning, then rain likely in the afternoon.
SUN NIGHT S wind 5 to 10 kt, becoming 10 to 15 kt after midnight. Seas 5 to 6 ft. Wave Detail: W 6 ft at 11 seconds. Rain likely in the evening, then a chance of rain after midnight.
Waters from Pt. Sal to Santa Cruz Island CA and westward 60 nm including San Miguel and Santa Rosa Islands- 224 AM PST Wed Dec 17 2025
...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT...
TODAY NW wind 15 to 25 kt early increasing to 20 to 30 kt with local gusts to 35 kt. Seas 7 to 9 ft. Wave Detail: NW 6 ft at 6 seconds and W 6 ft at 12 seconds. Patchy dense fog. Vsby 1 NM or less.
TONIGHT NW wind 20 to 30 kt with local gusts to 35 kt. Seas 7 to 8 ft. Wave Detail: NW 6 ft at 6 seconds and W 6 ft at 12 seconds. Patchy dense fog. Vsby 1 NM or less.
THU NW wind 20 to 30 kt with local gusts to 35 kt. Seas 7 to 9 ft. Wave Detail: NW 7 ft at 7 seconds and W 5 ft at 12 seconds. Patchy dense fog in the morning with vsby 1 NM or less.
THU NIGHT NW wind 20 to 30 kt with local gusts to 35 kt. Seas 7 to 9 ft. Wave Detail: NW 7 ft at 7 seconds and NW 7 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, becoming 15 to 25 kt after midnight. Seas 6 to 7 ft. Wave Detail: NW 5 ft at 6 seconds and NW 6 ft at 12 seconds. Patchy fog after midnight.
SAT NW wind 10 to 20 kt. Seas 6 to 7 ft. Wave Detail: NW 2 ft at 6 seconds and NW 7 ft at 13 seconds. Patchy fog in the morning. A slight chance of rain in the afternoon.
SAT NIGHT NW wind 10 to 20 kt. 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.
SUN W wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: NW 6 ft at 12 seconds. A slight chance of rain in the morning, then a chance of rain in the afternoon.
SUN NIGHT SW wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: W 6 ft at 11 seconds. A chance of rain in the evening, then a slight chance of rain after midnight.
Outer waters from Santa Cruz Island to San Clemente Island to 60 NM offshore including San Nicolas and Santa Barbara Islands- 224 AM PST Wed Dec 17 2025
...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT...
TODAY NW wind 15 to 25 kt early increasing to 20 to 30 kt with local gusts to 35 kt. Seas 6 to 8 ft. Wave Detail: NW 7 ft at 8 seconds and W 6 ft at 12 seconds. Patchy dense fog this morning. Patchy dense fog this afternoon. Vsby 1 NM or less.
TONIGHT NW wind 20 to 30 kt. Local gusts to 35 kt. Seas 6 to 9 ft. Wave Detail: NW 8 ft at 8 seconds and W 6 ft at 12 seconds. Patchy dense fog in the evening with vsby 1 NM or less.
THU NW wind 20 to 30 kt with local gusts to 35 kt. Seas 6 to 9 ft. Wave Detail: NW 8 ft at 8 seconds and W 4 ft at 11 seconds. Patchy dense fog in the morning with vsby 1 NM or less.
THU NIGHT NW wind 20 to 30 kt with local gusts to 35 kt. Seas 6 to 8 ft. Wave Detail: NW 7 ft at 9 seconds.
FRI NW wind 20 to 30 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 7 seconds and W 5 ft at 11 seconds.
FRI NIGHT NW wind 20 to 30 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 7 seconds and NW 3 ft at 11 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 4 ft at 7 seconds and NW 5 ft at 11 seconds. Patchy fog in the morning.
SAT NIGHT NW wind 15 to 25 kt, becoming 10 to 20 kt after midnight. Seas 4 to 6 ft. Wave Detail: NW 3 ft at 6 seconds and NW 5 ft at 12 seconds.
SUN NW wind 5 to 10 kt in the morning, becoming light. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 11 seconds.
SUN NIGHT Light winds. Seas 3 to 5 ft. Wave Detail: W 4 ft at 11 seconds.
East Santa Barbara Channel from Pt. Conception to Pt. Mugu CA including Santa Cruz Island- 224 AM PST Wed Dec 17 2025
TODAY Western Portion, NW wind 5 to 15 kt increasing to 10 to 20 kt with local gusts to 25 kt. Eastern Portion, NE wind 5 to 10 kt becoming W this afternoon. Seas 4 to 6 ft. Wave Detail: NW 2 ft at 7 seconds and W 5 ft at 12 seconds. Patchy dense fog this morning. Patchy dense fog this afternoon. Vsby 1 NM or less.
TONIGHT Western Portion, NW wind 10 to 20 kt with local gusts to 25 kt. Eastern Portion, NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: NW 4 ft at 7 seconds and W 5 ft at 12 seconds.
THU Western Portion, NW wind 10 to 20 kt with local gusts to 25 kt. Eastern Portion, NW wind 5 to 10 kt becoming W in the afternoon. Seas 4 to 6 ft. Wave Detail: NW 3 ft at 8 seconds and W 4 ft at 11 seconds.
THU NIGHT Western Portion, NW wind 15 to 20 kt with local gusts to 25 kt becoming 10 to 15 kt after midnight. Eastern Portion, NW wind 5 to 10 kt becoming N after midnight. Seas 3 to 5 ft. Wave Detail: W 4 ft at 9 seconds.
FRI Western Portion, NW wind 10 to 20 kt with local gusts to 25 kt. Eastern Portion, NW wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: NW 2 ft at 7 seconds and W 4 ft at 11 seconds.
FRI NIGHT Western Portion, NW wind 10 to 20 kt with local gusts to 25 kt. Eastern Portion, NW wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 8 seconds.
SAT Western Portion, NW wind 10 to 20 kt with local gusts to 25 kt. Eastern Portion, NW wind 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: NW 2 ft at 6 seconds and W 3 ft at 10 seconds.
SAT NIGHT Western Portion, NW wind 10 to 20 kt with local gusts to 25 kt. Eastern Portion, NW wind 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: NW 3 ft at 6 seconds and W 3 ft at 12 seconds.
SUN Light winds. Seas 2 to 4 ft. Wave Detail: W 3 ft at 11 seconds.
SUN NIGHT Light winds. Seas 2 to 3 ft. Wave Detail: W 3 ft at 11 seconds. A slight chance of rain.
Inner waters from Point Mugu to San Mateo Pt. CA including Santa Catalina and Anacapa Islands- 224 AM PST Wed Dec 17 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE TONIGHT...
TODAY Light winds, becoming W 10 to 15 kt this afternoon. Seas 2 to 3 ft, building to 3 to 5 ft. Wave Detail: W 4 ft at 12 seconds. Patchy dense fog. Vsby 1 NM or less.
TONIGHT NW to N wind 10 to 20 kt. Gusts to 25 kt. Seas 3 to 5 ft. Wave Detail: NW 2 ft at 6 seconds and W 4 ft at 12 seconds. Patchy dense fog in the evening with vsby 1 NM or less.
THU Malibu to Santa Monica, NE wind 10 to 15 kt becoming SW in the afternoon. Otherwise, Light winds becoming W 5 to 10 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: W 4 ft at 10 seconds. Patchy dense fog in the morning with vsby 1 NM or less.
THU NIGHT W wind 10 to 15 kt in the evening, becoming light. Seas 3 to 4 ft. Wave Detail: W 4 ft at 10 seconds.
FRI Light winds, becoming W 10 to 15 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: W 3 ft at 10 seconds.
FRI NIGHT NW wind 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: W 3 ft at 8 seconds. Patchy fog after midnight.
SAT Light winds, becoming W 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 NW wind 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NW 2 ft at 6 seconds and W 2 ft at 10 seconds.
SUN Light winds. Seas 2 to 3 ft. Wave Detail: W 3 ft at 11 seconds.
SUN NIGHT Light winds. Seas 2 ft. Wave Detail: W 2 ft at 11 seconds.
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