FZUS56 KLOX 210916 CWFLOX Coastal Waters Forecast for California National Weather Service Los Angeles/Oxnard CA 216 AM PDT Tue Apr 21 2026 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... PZZ600-212230- 216 AM PDT Tue Apr 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 1005 mb low was 400 NM northwest of San Fransisco, CA with a cold front extending south of the low. This front will pass through the coastal waters today bringing rain, gusty winds, and a chance of thunderstorms. $$ PZZ645-212230- Point Piedras Blancas to Point Sal westward out to 10 NM- 216 AM PDT Tue Apr 21 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TODAY...SW wind 10 to 20 kt with gusts to 25 kt, becoming W in the afternoon. Seas 7 to 10 ft. Wave Detail: NW 2 ft at 5 seconds, W 7 ft at 12 seconds and S 2 ft at 12 seconds. A slight chance of tstms. Rain. .TONIGHT...W wind 10 to 20 kt with local gusts to 25 kt, becoming NW 5 to 10 kt after midnight. Seas 5 to 7 ft. Wave Detail: N 2 ft at 4 seconds, W 6 ft at 12 seconds and S 2 ft at 14 seconds. A chance of rain in the evening. .WED...N wind 5 to 10 kt, becoming NW 10 to 20 kt in the afternoon. Seas 5 to 6 ft. Wave Detail: NW 2 ft at 5 seconds, W 6 ft at 10 seconds and S 2 ft at 14 seconds. .WED NIGHT...NW wind 15 to 25 kt, becoming 10 to 20 kt after midnight. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 6 seconds, W 5 ft at 12 seconds and S 2 ft at 14 seconds. .THU...N wind 5 to 10 kt, becoming NW 15 to 25 kt in the afternoon. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 8 seconds, NW 2 ft at 14 seconds and S 2 ft at 17 seconds. .THU NIGHT...NW wind 20 to 30 kt, becoming 10 to 20 kt after midnight. Seas 6 to 8 ft. Wave Detail: NW 7 ft at 8 seconds, NW 2 ft at 13 seconds and S 2 ft at 15 seconds. .FRI...NW wind 10 to 20 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 8 seconds, NW 2 ft at 12 seconds and S 2 ft at 15 seconds. .FRI NIGHT...NW wind 10 to 20 kt, becoming 5 to 10 kt after midnight. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 7 seconds, NW 2 ft at 13 seconds and S 2 ft at 14 seconds. .SAT...Light winds, becoming W 5 to 10 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: W 3 ft at 10 seconds and S 2 ft at 14 seconds. .SAT NIGHT...W wind 5 to 10 kt in the evening, becoming light. Seas 3 to 4 ft. Wave Detail: W 3 ft at 6 seconds, W 3 ft at 12 seconds and S 2 ft at 13 seconds. A slight chance of rain after midnight. Winds and seas higher in and near tstms. $$ PZZ670-212230- Point Piedras Blancas to Point Sal from 10 to 60 NM- 216 AM PDT Tue Apr 21 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TODAY...SW wind 10 to 20 kt, becoming W 15 to 20 kt this afternoon. Gusts to 25 kt. Seas 8 to 10 ft. Wave Detail: SW 2 ft at 6 seconds, W 8 ft at 12 seconds and S 2 ft at 12 seconds. A slight chance of tstms. Rain. .TONIGHT...W wind 15 to 20 kt, becoming 10 to 15 kt after midnight. Gusts to 25 kt. Seas 7 to 8 ft. Wave Detail: W 6 ft at 8 seconds, W 7 ft at 12 seconds and S 2 ft at 15 seconds. A slight chance of rain in the evening. .WED...NW wind 10 to 15 kt. Seas 6 to 7 ft. Wave Detail: NW 2 ft at 6 seconds, W 7 ft at 11 seconds and S 3 ft at 13 seconds. .WED NIGHT...NW wind 10 to 20 kt, becoming 20 to 25 kt after midnight. Seas 7 to 8 ft. Wave Detail: NW 7 ft at 7 seconds, NW 6 ft at 10 seconds and S 3 ft at 13 seconds. .THU...NW wind 15 to 25 kt, becoming 20 to 25 kt in the afternoon. Seas 7 to 9 ft. Wave Detail: NW 8 ft at 7 seconds, NW 4 ft at 13 seconds and S 2 ft at 17 seconds. .THU NIGHT...NW wind 20 to 25 kt. Seas 8 to 9 ft. Wave Detail: NW 8 ft at 8 seconds, NW 3 ft at 13 seconds and S 2 ft at 15 seconds. .FRI...NW wind 15 to 25 kt. Seas 7 to 8 ft. Wave Detail: NW 7 ft at 8 seconds, NW 3 ft at 12 seconds and S 2 ft at 15 seconds. .FRI NIGHT...NW wind 15 to 20 kt, becoming 10 to 15 kt after midnight. Seas 6 to 7 ft. Wave Detail: NW 6 ft at 7 seconds, NW 3 ft at 12 seconds and S 2 ft at 14 seconds. .SAT...W wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: NW 5 ft at 9 seconds and S 2 ft at 14 seconds. A slight chance of rain in the morning. .SAT NIGHT...NW wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 7 seconds, NW 4 ft at 10 seconds and S 2 ft at 13 seconds. A slight chance of rain after midnight. Winds and seas higher in and near tstms. $$ PZZ673-212230- Waters from Pt. Sal to Santa Cruz Island CA and westward 60 nm including San Miguel and Santa Rosa Islands- 216 AM PDT Tue Apr 21 2026 .TODAY...SW wind 10 to 20 kt, becoming W in the afternoon. Seas 7 to 8 ft. Wave Detail: SW 2 ft at 5 seconds, W 8 ft at 13 seconds and S 2 ft at 13 seconds. Rain this morning, then a chance of rain this afternoon. .TONIGHT...W wind 15 to 20 kt, becoming NW 10 to 15 kt after midnight. Seas 6 to 8 ft. Wave Detail: NW 7 ft at 8 seconds, W 7 ft at 12 seconds and S 2 ft at 15 seconds. A slight chance of rain in the evening. .WED...NW wind 10 to 20 kt, becoming 20 to 30 kt in the afternoon. Seas 6 to 7 ft. Wave Detail: NW 3 ft at 5 seconds, NW 7 ft at 11 seconds and S 3 ft at 13 seconds. .WED NIGHT...NW wind 20 to 30 kt, becoming 25 to 30 kt after midnight. Seas 8 to 9 ft. Wave Detail: NW 8 ft at 7 seconds, NW 4 ft at 13 seconds and S 2 ft at 13 seconds. .THU...NW wind 20 to 25 kt, becoming 25 to 30 kt in the afternoon. Seas 7 to 9 ft. Wave Detail: NW 8 ft at 8 seconds, NW 3 ft at 14 seconds and S 2 ft at 17 seconds. .THU NIGHT...NW wind 25 to 30 kt. Seas 8 to 10 ft. Wave Detail: NW 9 ft at 8 seconds, NW 2 ft at 14 seconds and S 2 ft at 15 seconds. .FRI...NW wind 20 to 25 kt. Seas 6 to 9 ft. Wave Detail: NW 8 ft at 8 seconds, NW 3 ft at 13 seconds and S 2 ft at 15 seconds. .FRI NIGHT...NW wind 20 to 25 kt, becoming 15 to 20 kt after midnight. Seas 6 to 7 ft. Wave Detail: NW 7 ft at 7 seconds, NW 2 ft at 12 seconds and S 2 ft at 14 seconds. .SAT...NW wind 10 to 15 kt, becoming W 5 to 10 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: NW 6 ft at 8 seconds, NW 5 ft at 11 seconds and S 2 ft at 14 seconds. .SAT NIGHT...W wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 7 seconds, NW 4 ft at 11 seconds and S 2 ft at 13 seconds. A slight chance of rain after midnight. $$ PZZ676-212230- Outer waters from Santa Cruz Island to San Clemente Island to 60 NM offshore including San Nicolas and Santa Barbara Islands- 216 AM PDT Tue Apr 21 2026 .TODAY...S wind 10 to 20 kt, becoming SW this afternoon. Seas 5 to 7 ft. Wave Detail: S 2 ft at 4 seconds, W 6 ft at 13 seconds and S 2 ft at 13 seconds. Rain. .TONIGHT...W wind 15 to 20 kt. Seas 6 to 8 ft. Wave Detail: NW 5 ft at 7 seconds, W 6 ft at 12 seconds and S 2 ft at 14 seconds. A slight chance of rain in the evening. .WED...NW wind 15 to 20 kt, becoming 20 to 25 kt in the afternoon. Seas 6 to 8 ft. Wave Detail: NW 7 ft at 7 seconds, NW 4 ft at 11 seconds and S 2 ft at 14 seconds. .WED NIGHT...NW wind 25 to 30 kt. Seas 8 to 11 ft. Wave Detail: NW 10 ft at 8 seconds and S 2 ft at 17 seconds. .THU...NW wind 20 to 30 kt. Seas 7 to 10 ft, subsiding to 6 to 8 ft. Wave Detail: NW 9 ft at 8 seconds, NW 2 ft at 14 seconds and S 2 ft at 16 seconds. .THU NIGHT...NW wind 20 to 30 kt. Seas 7 to 10 ft. Wave Detail: NW 9 ft at 9 seconds, NW 2 ft at 14 seconds and S 2 ft at 15 seconds. .FRI...NW wind 15 to 25 kt, becoming 10 to 20 kt in the afternoon. Seas 7 to 9 ft, subsiding to 5 to 7 ft. Wave Detail: NW 8 ft at 8 seconds, NW 2 ft at 13 seconds and S 2 ft at 15 seconds. .FRI NIGHT...NW wind 20 to 25 kt. Seas 5 to 7 ft. Wave Detail: NW 7 ft at 7 seconds, NW 2 ft at 12 seconds and S 2 ft at 14 seconds. .SAT...W 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. A slight chance of rain in the morning. .SAT NIGHT...W wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW 4 ft at 6 seconds, S 2 ft at 13 seconds and W 3 ft at 14 seconds. A slight chance of rain after midnight. $$ PZZ650-212230- East Santa Barbara Channel from Pt. Conception to Pt. Mugu CA including Santa Cruz Island- 216 AM PDT Tue Apr 21 2026 .TODAY...SE wind 10 to 20 kt, becoming S 10 to 15 kt this afternoon. Seas 3 to 4 ft. Wave Detail: SE 2 ft at 5 seconds and W 3 ft at 12 seconds. Rain. .TONIGHT...W wind 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: W 2 ft at 5 seconds and W 3 ft at 12 seconds. A chance of rain in the evening. .WED...NW wind 10 to 20 kt, becoming W 20 to 30 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: W 5 ft at 6 seconds and W 3 ft at 9 seconds. .WED NIGHT...Western Portion, NW wind 20 to 30 kt. Eastern Portion, W wind 20 to 30 kt becoming 10 to 20 kt after midnight. Seas 6 to 8 ft. Wave Detail: NW 7 ft at 7 seconds. .THU...Western Portion, NW wind 15 to 25 kt. Eastern Portion, NW wind 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: NW 5 ft at 8 seconds and W 2 ft at 12 seconds. .THU NIGHT...Western Portion, NW wind 20 to 25 kt. Eastern Portion, NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 8 seconds and W 2 ft at 13 seconds. .FRI...N wind 10 to 15 kt, becoming W in the afternoon. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 9 seconds. .FRI NIGHT...W wind 15 to 25 kt, becoming NW 10 to 20 kt after midnight. Seas 4 to 6 ft. Wave Detail: W 5 ft at 7 seconds. .SAT...W wind 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: W 3 ft at 8 seconds. A slight chance of rain. .SAT NIGHT...W wind 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NW 3 ft at 6 seconds. $$ PZZ655-212230- Inner waters from Point Mugu to San Mateo Pt. CA including Santa Catalina and Anacapa Islands- 216 AM PDT Tue Apr 21 2026 .TODAY...SE wind 5 to 10 kt, becoming SW 10 to 20 kt this afternoon. Seas 2 to 4 ft. Wave Detail: W 2 ft at 8 seconds and S 2 ft at 13 seconds. A chance of rain this morning, then rain this afternoon. .TONIGHT...W wind 10 to 15 kt, becoming 15 to 20 kt after midnight. Seas 3 to 4 ft. Wave Detail: W 4 ft at 6 seconds, W 3 ft at 12 seconds and S 2 ft at 14 seconds. A chance of rain in the evening. .WED...W wind 10 to 20 kt, becoming 15 to 25 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: W 5 ft at 7 seconds and S 2 ft at 13 seconds. .WED NIGHT...W wind 15 to 25 kt. Seas 5 to 7 ft. Wave Detail: W 6 ft at 9 seconds and S 2 ft at 15 seconds. .THU...N wind 5 to 10 kt, becoming W 10 to 20 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: W 4 ft at 10 seconds and S 2 ft at 16 seconds. .THU NIGHT...W wind 10 to 20 kt. Seas 4 to 6 ft. Wave Detail: W 4 ft at 9 seconds and S 2 ft at 15 seconds. .FRI...SW wind 5 to 10 kt, becoming 10 to 15 kt in the afternoon. Seas 4 to 6 ft, subsiding to 3 to 4 ft. Wave Detail: W 4 ft at 9 seconds and S 2 ft at 15 seconds. .FRI NIGHT...W wind 10 to 20 kt. Seas 3 to 5 ft. Wave Detail: W 4 ft at 7 seconds, W 2 ft at 12 seconds and S 2 ft at 14 seconds. .SAT...W wind 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: W 4 ft at 7 seconds, W 2 ft at 12 seconds and S 2 ft at 14 seconds. .SAT NIGHT...W wind 10 to 20 kt. Seas 3 to 4 ft. Wave Detail: W 3 ft at 6 seconds and W 2 ft at 13 seconds. A slight chance of rain after midnight. $$ www.weather.gov/losangeles