


Coastal Waters Forecast
Issued by NWS Los Angeles, CA
Issued by NWS Los Angeles, CA
505 FZUS56 KLOX 190348 CWFLOX Coastal Waters Forecast for California National Weather Service Los Angeles/Oxnard CA 848 PM PDT Mon Aug 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... PZZ600-191630- 848 PM PDT Mon Aug 18 2025 .Synopsis for the southern California coast and Santa Barbara Channel including the Channel Islands National Marine Sanctuary and National Park...at 03Z, or 8 PM PDT, a 1020 mb surface high was centered 700 NM SW of Los Angeles, while a 1004 mb thermal low was located near the California-Nevada-Arizona borders. $$ PZZ645-191630- Point Piedras Blancas to Point Sal westward out to 10 NM- 848 PM PDT Mon Aug 18 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM PDT TUESDAY... .TONIGHT...NW wind 15 to 25 kt, becoming 10 to 20 kt after midnight. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 7 seconds and S 2 ft at 14 seconds. .TUE...NW wind 10 to 20 kt, becoming 20 to 25 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 7 seconds and SW 2 ft at 14 seconds. .TUE NIGHT...NW wind 20 to 30 kt, becoming 15 to 25 kt after midnight. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 7 seconds and SW 2 ft at 14 seconds. Patchy fog after midnight. .WED...NW wind 10 to 20 kt, becoming 20 to 30 kt in the afternoon. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 8 seconds and SW 2 ft at 15 seconds. Patchy fog in the morning. .WED NIGHT...NW wind 15 to 25 kt, becoming 10 to 20 kt after midnight. Seas 5 to 7 ft. Wave Detail: NW 7 ft at 8 seconds and SW 2 ft at 15 seconds. Patchy fog after midnight. .THU...NW wind 10 to 20 kt. Seas 4 to 6 ft. Wave Detail: NW 6 ft at 8 seconds and S 2 ft at 15 seconds. Patchy fog in the morning. .THU NIGHT...NW wind 10 to 20 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 8 seconds and SW 2 ft at 14 seconds. Patchy fog after midnight. .FRI...NW wind 5 to 10 kt, becoming 10 to 20 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: NW 4 ft at 8 seconds and S 2 ft at 14 seconds. Patchy fog in the morning. .FRI NIGHT...NW wind 10 to 20 kt. Seas 4 to 5 ft. Wave Detail: NW 4 ft at 8 seconds and S 2 ft at 15 seconds. Patchy fog after midnight. $$ PZZ670-191630- Point Piedras Blancas to Point Sal from 10 to 60 NM- 848 PM PDT Mon Aug 18 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TUESDAY NIGHT... .TONIGHT...NW wind 15 to 25 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 7 seconds and SW 2 ft at 14 seconds. .TUE...NW wind 15 to 25 kt. Seas 5 to 6 ft. Wave Detail: NW 6 ft at 7 seconds and SW 2 ft at 14 seconds. .TUE NIGHT...NW wind 25 to 30 kt. Seas 6 to 8 ft. Wave Detail: NW 8 ft at 7 seconds and SW 2 ft at 14 seconds. Patchy fog. .WED...NW wind 20 to 30 kt. Seas 7 to 8 ft. Wave Detail: NW 8 ft at 7 seconds and SW 2 ft at 15 seconds. Patchy fog in the morning. .WED NIGHT...NW wind 25 to 30 kt. Seas 8 to 9 ft. Wave Detail: NW 9 ft at 8 seconds and SW 2 ft at 15 seconds. Patchy fog after midnight. .THU...NW wind 15 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 25 kt. Seas 7 to 8 ft. Wave Detail: NW 8 ft at 8 seconds and S 2 ft at 14 seconds. .FRI...NW wind 15 to 25 kt. Seas 6 to 8 ft. Wave Detail: NW 7 ft at 8 seconds and S 2 ft at 14 seconds. .FRI NIGHT...NW wind 20 to 25 kt, becoming 15 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 after midnight. $$ PZZ673-191630- Waters from Pt. Sal to Santa Cruz Island CA and westward 60 nm including San Miguel and Santa Rosa Islands- 848 PM PDT Mon Aug 18 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TUESDAY NIGHT... .TONIGHT...NW wind 20 to 25 kt. Seas 5 to 6 ft. Wave Detail: NW 6 ft at 7 seconds and S 2 ft at 14 seconds. .TUE...NW wind 20 to 25 kt, becoming 25 to 30 kt in the afternoon. Seas 5 to 6 ft. Wave Detail: NW 6 ft at 7 seconds and SW 2 ft at 14 seconds. Patchy dense fog in the morning with vsby 1 NM or less. .TUE NIGHT...NW wind 25 to 30 kt. Seas 6 to 7 ft, building to 7 to 9 ft. Wave Detail: NW 8 ft at 8 seconds and SW 2 ft at 15 seconds. Patchy fog. .WED...NW wind 20 to 30 kt. Seas 7 to 9 ft. Wave Detail: NW 8 ft at 8 seconds and SW 2 ft at 15 seconds. Patchy fog in the morning. .WED NIGHT...NW wind 20 to 30 kt. Seas 7 to 9 ft. Wave Detail: NW 9 ft at 8 seconds and SW 2 ft at 15 seconds. Patchy fog after midnight. .THU...NW wind 20 to 30 kt, becoming 15 to 25 kt in the afternoon. Seas 6 to 9 ft. Wave Detail: NW 9 ft at 8 seconds and S 2 ft at 15 seconds. Patchy fog in the morning. .THU NIGHT...NW wind 15 to 25 kt. Seas 6 to 8 ft. Wave Detail: NW 7 ft at 8 seconds and S 2 ft at 14 seconds. Patchy fog after midnight. .FRI...NW wind 10 to 20 kt, becoming 15 to 25 kt in the afternoon. Seas 5 to 7 ft. Wave Detail: NW 7 ft at 8 seconds and S 2 ft at 14 seconds. Patchy fog in the morning. .FRI NIGHT...NW wind 20 to 25 kt, becoming 15 to 20 kt after midnight. Seas 5 to 6 ft. Wave Detail: NW 6 ft at 8 seconds and S 2 ft at 15 seconds. Patchy fog after midnight. $$ PZZ676-191630- Outer waters from Santa Cruz Island to San Clemente Island to 60 NM offshore including San Nicolas and Santa Barbara Islands- 848 PM PDT Mon Aug 18 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TUESDAY NIGHT... .TONIGHT...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. .TUE...NW wind 20 to 30 kt. Seas 4 to 6 ft. Wave Detail: NW 6 ft at 7 seconds and SW 2 ft at 14 seconds. .TUE NIGHT...NW wind 25 to 30 kt. Seas 5 to 7 ft, building to 6 to 9 ft. Wave Detail: NW 8 ft at 8 seconds and SW 2 ft at 15 seconds. Patchy fog. .WED...NW wind 20 to 30 kt with local gusts to 35 kt. Seas 6 to 8 ft. Wave Detail: NW 7 ft at 8 seconds and SW 2 ft at 15 seconds. Patchy fog in the morning. .WED NIGHT...NW wind 20 to 30 kt, becoming 15 to 25 kt after midnight. Seas 5 to 7 ft. Wave Detail: NW 7 ft at 8 seconds and SW 2 ft at 15 seconds. Patchy fog after midnight. .THU...N wind 15 to 25 kt, becoming NW 15 to 20 kt in the afternoon. Seas 5 to 7 ft. Wave Detail: W 4 ft at 9 seconds, NW 3 ft at 9 seconds and S 2 ft at 15 seconds. Patchy fog in the morning. .THU NIGHT...NW wind 10 to 20 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 8 seconds and S 2 ft at 14 seconds. Patchy fog after midnight. .FRI...NW wind 10 to 20 kt. Seas 4 to 6 ft. Wave Detail: NW 4 ft at 8 seconds and S 2 ft at 14 seconds. Patchy fog in the morning. .FRI NIGHT...NW wind 10 to 20 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 8 seconds and S 2 ft at 14 seconds. Patchy fog after midnight. $$ PZZ650-191630- East Santa Barbara Channel from Pt. Conception to Pt. Mugu CA including Santa Cruz Island- 848 PM PDT Mon Aug 18 2025 .TONIGHT...Western Portion, W wind 10 to 20 kt becoming NW after midnight. Eastern Portion, W wind 10 to 15 kt. Seas 2 to 4 ft. Wave Detail: W 3 ft at 7 seconds. .TUE...Western Portion, NW wind 10 to 15 kt becoming W 15 to 25 kt in the afternoon. Eastern Portion, W wind 5 to 10 kt becoming 10 to 15 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: W 4 ft at 7 seconds. Patchy fog in the morning. .TUE NIGHT...Western Portion, W wind 15 to 25 kt becoming NW after midnight. Eastern Portion, W wind 10 to 20 kt. Seas 3 to 5 ft. Wave Detail: NW 5 ft at 7 seconds. .WED...Western Portion, NW wind 10 to 20 kt. Eastern Portion, W wind 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: NW 3 ft at 8 seconds. .WED NIGHT...Western Portion, NW wind 10 to 20 kt. Eastern Portion, S wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: W 3 ft at 9 seconds. Patchy fog after midnight. .THU...N wind 5 to 10 kt, becoming W in the afternoon. Seas 2 to 4 ft. Wave Detail: W 3 ft at 9 seconds. Patchy fog in the morning. .THU NIGHT...W wind 10 to 15 kt, becoming SE 5 to 10 kt after midnight. Seas 2 to 4 ft. Wave Detail: W 2 ft at 7 seconds. .FRI...Light winds, becoming W 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: W 2 ft at 8 seconds. .FRI NIGHT...W wind 10 to 20 kt. Seas 2 to 3 ft. Wave Detail: W 3 ft at 7 seconds. Patchy fog after midnight. $$ PZZ655-191630- Inner waters from Point Mugu to San Mateo Pt. CA including Santa Catalina and Anacapa Islands- 848 PM PDT Mon Aug 18 2025 .TONIGHT...W wind 10 to 15 kt, becoming SW 5 to 10 kt after midnight. Seas 2 to 3 ft. Wave Detail: W 2 ft at 6 seconds. Patchy fog after midnight. .TUE...Light winds, becoming W 10 to 20 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: W 2 ft at 7 seconds and SW 2 ft at 14 seconds. Patchy fog in the morning. .TUE NIGHT...W wind 15 to 25 kt, becoming 10 to 20 kt after midnight. Seas 3 to 5 ft. Wave Detail: W 4 ft at 6 seconds and SW 2 ft at 15 seconds. Patchy fog. .WED...W wind 5 to 10 kt, becoming 10 to 15 kt in the afternoon. Seas 3 to 5 ft. Wave Detail: W 3 ft at 8 seconds and SW 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 8 seconds and SW 2 ft at 15 seconds. Patchy fog after midnight. .THU...Light winds, becoming SW 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: W 3 ft at 8 seconds and SW 2 ft at 15 seconds. Patchy fog in the morning. .THU NIGHT...W wind 5 to 10 kt in the evening, becoming light. Seas 2 to 3 ft. Wave Detail: W 2 ft at 8 seconds and S 2 ft at 14 seconds. Patchy fog after midnight. .FRI...Light winds, becoming SW 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. Patchy fog in the morning. .FRI NIGHT...SW wind 5 to 10 kt in the evening, becoming light. Seas 2 to 3 ft. Wave Detail: W 2 ft at 6 seconds and S 2 ft at 14 seconds. Patchy fog after midnight. $$ www.weather.gov/losangeles