509
FZUS56 KLOX 210317
CWFLOX

Coastal Waters Forecast for California
National Weather Service Los Angeles/Oxnard CA
817 PM PDT Wed Aug 20 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...

PZZ600-211600-
817 PM PDT Wed Aug 20 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 1028 mb surface high was
centered about 250 NM NW of Grays Harbor, WA, while a 1004 mb
thermal low was located in southeast California. Moderate to
occasionally strong northwest flow will continue over the outer and
northern waters into Thursday.

$$

PZZ645-211600-
Point Piedras Blancas to Point Sal westward out to 10 NM-
817 PM PDT Wed Aug 20 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM PDT THURSDAY...

.TONIGHT...NW wind 15 to 25 kt, becoming 10 to 20 kt late. Seas 5
to 7 ft. Wave Detail: NW 7 ft at 7 seconds and SW 2 ft at 15
seconds.
.THU...NW wind 10 to 20 kt, becoming 15 to 25 kt in the afternoon.
Seas 5 to 7 ft. Wave Detail: NW 6 ft at 8 seconds and S 2 ft at
15 seconds.
.THU NIGHT...NW wind 15 to 25 kt, becoming 10 to 20 kt after
midnight. Seas 4 to 6 ft. Wave Detail: NW 6 ft at 8 seconds and S
2 ft at 14 seconds. Patchy fog after midnight.
.FRI...NW wind 5 to 10 kt, becoming 10 to 15 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.
.FRI NIGHT...NW wind 10 to 15 kt, becoming 5 to 10 kt after
midnight. Seas 4 to 5 ft. Wave Detail: NW 4 ft at 8 seconds and S
2 ft at 15 seconds. Patchy fog after midnight.
.SAT...Light winds, becoming NW 10 to 15 kt in the afternoon. Seas
3 to 5 ft. Wave Detail: NW 4 ft at 8 seconds, N 2 ft at 8 seconds
and S 2 ft at 15 seconds. Patchy fog in the morning.
.SAT NIGHT...NW wind 10 to 20 kt, becoming 5 to 10 kt after
midnight. Seas 3 to 5 ft. Wave Detail: NW 3 ft at 8 seconds and S
3 ft at 14 seconds. Patchy fog after midnight.
.SUN...NW wind 5 to 10 kt, becoming 10 to 20 kt in the afternoon.
Seas 3 to 5 ft. Wave Detail: NW 3 ft at 7 seconds and S 3 ft at
14 seconds. Patchy fog in the morning.
.SUN NIGHT...NW wind 10 to 20 kt. Seas 3 to 5 ft. Wave Detail: NW
4 ft at 8 seconds and S 2 ft at 14 seconds. Patchy fog after
midnight.
.MON...NW wind 5 to 10 kt, becoming 10 to 15 kt in the afternoon.
Seas 3 to 5 ft. Wave Detail: NW 4 ft at 8 seconds, N 2 ft at
8 seconds and S 2 ft at 14 seconds. Patchy fog in the morning.
.MON NIGHT...NW wind 10 to 15 kt, becoming 5 to 10 kt after
midnight. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 8 seconds and S
2 ft at 15 seconds. Patchy fog after midnight.

$$

PZZ670-211600-
Point Piedras Blancas to Point Sal from 10 to 60 NM-
817 PM PDT Wed Aug 20 2025

...GALE WARNING IN EFFECT UNTIL 1 AM PDT THURSDAY...

.TONIGHT...NW wind 20 to 30 kt. Gusts to 35 kt through around
midnight. Seas 8 to 9 ft. Wave Detail: NW 9 ft at 7 seconds and SW
2 ft at 15 seconds.
.THU...NW wind 20 to 30 kt. Seas 7 to 9 ft. Wave Detail: NW 8 ft at
8 seconds and S 2 ft at 15 seconds.
.THU NIGHT...NW wind 20 to 30 kt. Seas 7 to 9 ft. Wave Detail: NW
8 ft at 8 seconds and S 2 ft at 14 seconds. Patchy fog after
midnight.
.FRI...NW wind 15 to 25 kt. Seas 7 to 9 ft, subsiding to 6 to 7 ft.
Wave Detail: NW 8 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 10 to 20 kt after
midnight. Seas 6 to 7 ft. Wave Detail: NW 6 ft at 8 seconds and S
2 ft at 15 seconds. Patchy fog after midnight.
.SAT...NW wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: NW 5 ft at
8 seconds and S 2 ft at 15 seconds. Patchy fog in the morning.
.SAT NIGHT...NW wind 15 to 20 kt. Seas 5 to 6 ft. Wave Detail: NW
5 ft at 8 seconds and S 2 ft at 14 seconds. Patchy fog after
midnight.
.SUN...NW wind 10 to 20 kt. Seas 5 to 6 ft. Wave Detail: NW 5 ft at
8 seconds and S 3 ft at 14 seconds. Patchy fog in the morning.
.SUN NIGHT...NW wind 15 to 25 kt. Seas 5 to 6 ft. Wave Detail: NW
5 ft at 7 seconds and S 3 ft at 14 seconds. Patchy fog after
midnight.
.MON...NW wind 10 to 20 kt. Seas 5 to 6 ft. Wave Detail: NW 5 ft at
8 seconds and S 3 ft at 14 seconds. Patchy fog in the morning.
.MON NIGHT...NW wind 10 to 20 kt. Seas 5 to 6 ft. Wave Detail: NW
5 ft at 8 seconds and S 3 ft at 15 seconds. Patchy fog after
midnight.

$$

PZZ673-211600-
Waters from Pt. Sal to Santa Cruz Island CA and westward 60 nm
including San Miguel and Santa Rosa Islands-
817 PM PDT Wed Aug 20 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT...

.TONIGHT...NW wind 20 to 30 kt Local gusts to 35 kts through
midnight. Seas 7 to 9 ft. Wave Detail: NW 9 ft at 8 seconds and S 2
ft at 15 seconds.
.THU...NW wind 20 to 30 kt. Seas 6 to 9 ft. Wave Detail: NW 9 ft at
8 seconds and S 2 ft at 15 seconds.
.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. Seas 6 to 8 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 15 to 20 kt. Seas 5 to 7 ft. Wave Detail: NW
6 ft at 8 seconds and S 2 ft at 15 seconds. Patchy fog after
midnight.
.SAT...NW wind 10 to 20 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at
8 seconds and S 2 ft at 15 seconds. Patchy fog in the morning.
.SAT NIGHT...NW wind 15 to 25 kt. Seas 5 to 6 ft. Wave Detail: NW
5 ft at 8 seconds and S 2 ft at 14 seconds. Patchy fog after
midnight.
.SUN...NW wind 10 to 20 kt, becoming 15 to 25 kt in the afternoon.
Seas 5 to 6 ft. Wave Detail: NW 5 ft at 7 seconds and S 3 ft at
14 seconds. Patchy fog in the morning.
.SUN NIGHT...NW wind 15 to 25 kt. Seas 5 ft. Wave Detail: NW 5 ft
at 7 seconds and S 3 ft at 14 seconds. Patchy fog after midnight.
.MON...NW wind 10 to 20 kt, becoming 15 to 25 kt in the afternoon.
Seas 5 to 6 ft. Wave Detail: NW 5 ft at 8 seconds and S 3 ft at
15 seconds. Patchy fog in the morning.
.MON NIGHT...NW wind 15 to 25 kt. Seas 5 to 6 ft. Wave Detail: NW
4 ft at 8 seconds and S 3 ft at 14 seconds. Patchy fog after
midnight.

$$

PZZ676-211600-
Outer waters from Santa Cruz Island to San Clemente Island to 60 NM
offshore including San Nicolas and Santa Barbara Islands-
817 PM PDT Wed Aug 20 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT...

.TONIGHT...NW wind 20 to 30 kt. Seas 5 to 7 ft. Wave Detail: NW
7 ft at 8 seconds and S 2 ft at 15 seconds.
.THU...NW wind 15 to 25 kt. Seas 5 to 7 ft. Wave Detail: NW 4 ft at
9 seconds and S 2 ft at 15 seconds.
.THU NIGHT...W wind 15 to 25 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...W wind 10 to 15 kt, becoming 15 to 20 kt in the afternoon.
Seas 4 to 6 ft. Wave Detail: NW 4 ft at 9 seconds and S 2 ft at
14 seconds. Patchy fog in the morning.
.FRI NIGHT...NW wind 10 to 20 kt. Seas 3 to 5 ft. Wave Detail: NW
4 ft at 8 seconds and S 2 ft at 15 seconds. Patchy fog after
midnight.
.SAT...NW wind 10 to 20 kt. Seas 3 to 5 ft. Wave Detail: NW 3 ft at
8 seconds and S 2 ft at 15 seconds. Patchy fog in the morning.
.SAT NIGHT...NW wind 15 to 25 kt. Seas 4 to 6 ft. Wave Detail: NW
5 ft at 6 seconds and S 2 ft at 14 seconds. Patchy fog after
midnight.
.SUN...NW wind 10 to 20 kt, becoming 15 to 25 kt in the afternoon.
Seas 3 to 5 ft. Wave Detail: NW 5 ft at 7 seconds and S 2 ft at
14 seconds. Patchy fog in the morning.
.SUN NIGHT...NW wind 15 to 25 kt. Seas 4 to 6 ft. Wave Detail: NW
5 ft at 6 seconds and S 2 ft at 14 seconds. Patchy fog after
midnight.
.MON...NW wind 10 to 20 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft at
7 seconds and S 3 ft at 15 seconds. Patchy fog in the morning.
.MON NIGHT...NW wind 15 to 25 kt. Seas 4 to 6 ft. Wave Detail: NW
5 ft at 6 seconds and S 3 ft at 14 seconds. Patchy fog after
midnight.

$$

PZZ650-211600-
East Santa Barbara Channel from Pt. Conception to Pt. Mugu CA
including Santa Cruz Island-
817 PM PDT Wed Aug 20 2025

.TONIGHT...W wind 10 to 20 kt, strongest in the western portion,
becoming SW to SE 5 to 10 kt after midnight. Seas 3 to 5 ft. Wave
Detail: W 4 ft at 8 seconds.
.THU...Light winds, becoming SW 10 to 15 kt in the afternoon. Seas
2 to 4 ft. Wave Detail: W 3 ft at 9 seconds.
.THU NIGHT...W wind 10 to 15 kt, becoming S 5 to 10 kt after
midnight. Seas 2 to 4 ft. Wave Detail: W 3 ft at 7 seconds.
.FRI...Light winds, becoming SW 5 to 10 kt in the afternoon. Seas
2 to 3 ft. Wave Detail: W 3 ft at 8 seconds.
.FRI NIGHT...W wind 10 to 15 kt, becoming 5 to 10 kt after
midnight. Seas 2 to 3 ft. Wave Detail: W 2 ft at 7 seconds. Patchy
fog after midnight.
.SAT...Light winds, becoming W 10 to 15 kt in the afternoon. Seas
2 to 3 ft. Wave Detail: W 2 ft at 7 seconds. Patchy fog in the
morning.
.SAT NIGHT...NW wind 10 to 20 kt. Seas 2 to 4 ft. Wave Detail: NW
3 ft at 5 seconds. Patchy fog after midnight.
.SUN...NW wind 5 to 10 kt, becoming W 15 to 25 kt in the afternoon.
Seas 2 to 3 ft. Wave Detail: NW 2 ft at 6 seconds. Patchy fog in
the morning.
.SUN NIGHT...W wind 15 to 25 kt, becoming NW 10 to 20 kt after
midnight. Seas 2 to 4 ft. Wave Detail: NW 3 ft at 6 seconds. Patchy
fog after midnight.
.MON...W wind 5 to 10 kt, becoming 15 to 25 kt in the afternoon.
Seas 2 to 4 ft. Wave Detail: NW 2 ft at 6 seconds and S 2 ft at
14 seconds. Patchy fog in the morning.
.MON NIGHT...W wind 15 to 25 kt, becoming 10 to 20 kt after
midnight. Seas 2 to 4 ft. Wave Detail: W 3 ft at 6 seconds. Patchy
fog after midnight.

$$

PZZ655-211600-
Inner waters from Point Mugu to San Mateo Pt. CA including Santa
Catalina and Anacapa Islands-
817 PM PDT Wed Aug 20 2025

.TONIGHT...W wind 10 to 15 kt, becoming S 5 to 10 kt after
midnight. Seas 2 to 4 ft. Wave Detail: W 3 ft at 7 seconds and SW 2
ft at 15 seconds.
.THU...Light winds, becoming SW 10 to 15 kt with local gusts
to 20 kt near Point Dume and into the San Pedro Channel in the
afternoon. Seas 2 to 3 ft. Wave Detail: W 3 ft at 8 seconds and S 2
ft at 15 seconds.
.THU NIGHT...W wind 10 to 15 kt with local gusts to 20 kt near
Point Dume and into the San Pedro Channel in the evening, becoming
light. Seas 2 to 3 ft. Wave Detail: W 2 ft at 7 seconds and S 2 ft
at 14 seconds. Patchy fog after midnight.
.FRI...Light winds, becoming SW 10 to 15 kt with local gusts
to 20 kt near Point Dume and into the San Pedro Channel 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...W wind 10 to 15 kt with local gusts
to 20 kt near Point Dume and into the San Pedro Channel in the
evening, becoming light. Seas 2 to 3 ft. Wave Detail: W 2 ft at 5
seconds, W 2 ft at 8 seconds and S 2 ft at 15 seconds. Patchy fog
after midnight.
.SAT...Light winds, becoming W 10 to 15 kt in the afternoon. Seas
2 to 3 ft. Wave Detail: W 2 ft at 6 seconds and S 2 ft at
15 seconds. Patchy fog in the morning.
.SAT NIGHT...W wind 10 to 20 kt, becoming 5 to 10 kt after
midnight. Seas 2 to 3 ft. Wave Detail: W 3 ft at 5 seconds and S
2 ft at 14 seconds. Patchy fog after midnight.
.SUN...Light winds, becoming W 10 to 20 kt in the afternoon. Seas
2 to 3 ft. Wave Detail: W 2 ft at 6 seconds and S 2 ft at
14 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 5 seconds and S
2 ft at 14 seconds. Patchy fog after midnight.
.MON...Light winds, becoming W 10 to 20 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.
.MON 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 5 seconds and S
2 ft at 14 seconds. Patchy fog after midnight.

$$


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