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Catalina Harbor, Santa Catalina Island Coastal Forecast

FZUS56 KLOX 182108
CWFLOX

Coastal Waters Forecast for California
National Weather Service Los Angeles/Oxnard CA
108 PM 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...

PZZ600-191000-
108 PM 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 21Z, or 1 PM PST, a 1025 mb surface high was
about 400 NM southwest of Point Conception.

$$

PZZ645-191000-
Point Piedras Blancas to Point Sal westward out to 10 NM-
108 PM PST Thu Dec 18 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM PST THIS EVENING...

.TONIGHT...NW wind 15 to 20 kt with gusts to 25 kt in the evening,
becoming N 5 to 10 kt. 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...N wind 5 to 10 kt, becoming NW 15 to 20 kt with gusts to
25 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: NW 4 ft at
6 seconds and W 4 ft at 10 seconds. Patchy fog in the morning.
.FRI NIGHT...NW wind 15 to 20 kt with gusts to 25 kt in the evening,
becoming N 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: NW 4 ft at
5 seconds and NW 6 ft at 11 seconds. A slight chance of showers in
the evening. 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: NW 2 ft at 5 seconds and NW 6 ft at
11 seconds. Patchy fog in the morning. A slight chance of showers
in the afternoon.
.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 showers in the evening, then a
chance of showers after midnight.
.SUN...Light winds, becoming S 5 to 10 kt in the afternoon. Seas
3 to 5 ft. Wave Detail: NW 5 ft at 11 seconds. A chance of showers
in the morning, then showers likely in the afternoon.
.SUN NIGHT...S wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail:
W 5 ft at 11 seconds. A chance of showers.
.MON...S wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: W 4 ft at
10 seconds. A chance of showers.
.MON NIGHT...S wind 5 to 10 kt, becoming SE 10 to 15 kt after
midnight. Seas 3 to 5 ft. Wave Detail: W 4 ft at 10 seconds.
A chance of showers in the evening, then showers likely after
midnight.
.TUE...SE wind 10 to 15 kt with gusts to 20 kt, becoming S
15 to 20 kt with gusts to 25 kt in the afternoon. Seas 5 to 7 ft.
Wave Detail: S 4 ft at 5 seconds, NW 5 ft at 12 seconds and
SW 3 ft at 13 seconds. Showers.
.TUE NIGHT...S wind 15 to 20 kt with gusts to 25 kt. Seas 6 to
9 ft. Wave Detail: S 7 ft at 8 seconds and NW 5 ft at 12 seconds.
Showers.

$$

PZZ670-191000-
Point Piedras Blancas to Point Sal from 10 to 60 NM-
108 PM PST Thu Dec 18 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY EVENING...

.TONIGHT...NW wind 15 to 20 kt with gusts 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 20 kt with gusts 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 15 to 20 kt with gusts to 25 kt in the evening,
becoming 10 to 15 kt after midnight. Seas 6 to 7 ft. Wave Detail:
NW 2 ft at 5 seconds and NW 7 ft at 12 seconds. A chance of showers
in the evening. 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
chance of showers in the afternoon.
.SAT NIGHT...W wind 10 to 15 kt. Seas 6 ft. Wave Detail: W 2 ft at
5 seconds and NW 6 ft at 12 seconds. A chance of showers.
.SUN...SW wind 5 to 10 kt, becoming S 10 to 15 kt in the afternoon.
Seas 5 to 6 ft. Wave Detail: NW 6 ft at 11 seconds. Showers.
.SUN NIGHT...S wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail:
S 2 ft at 5 seconds and NW 6 ft at 11 seconds. Showers likely in
the evening, then a chance of showers after midnight.
.MON...S wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: S 2 ft at
5 seconds and W 5 ft at 11 seconds. Showers likely.
.MON NIGHT...S wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail:
S 2 ft at 4 seconds, W 5 ft at 10 seconds and SW 3 ft at 14
seconds. Showers.
.TUE...S wind 10 to 15 kt with gusts to 20 kt, becoming SE 15 to
20 kt with gusts to 25 kt in the afternoon. Seas 6 to 8 ft. Wave
Detail: S 6 ft at 7 seconds and NW 6 ft at 12 seconds. Showers.
.TUE NIGHT...S wind 15 to 20 kt with gusts to 25 kt. Seas 8 to
11 ft. Wave Detail: S 9 ft at 9 seconds and NW 6 ft at 12 seconds.
Showers.

$$

PZZ673-191000-
Waters from Pt. Sal to Santa Cruz Island CA and westward 60 nm
including San Miguel and Santa Rosa Islands-
108 PM PST Thu Dec 18 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING...

.TONIGHT...NW wind 15 to 25 kt with gusts to 30 kt. 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 15 to 25 kt with gusts 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 15 to 25 kt with gusts to 30 kt. 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 15 to 20 kt with gusts 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. A slight chance of showers in the afternoon.
.SAT NIGHT...NW wind 10 to 15 kt with gusts to 20 kt. Seas 5 to 7 ft.
Wave Detail: NW 2 ft at 5 seconds and NW 7 ft at 12 seconds. A
chance of showers.
.SUN...W wind 5 to 10 kt. Seas 5 to 6 ft. Wave Detail: NW 6 ft at
12 seconds. A chance of showers.
.SUN NIGHT...SW wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: NW
6 ft at 11 seconds. A chance of showers in the evening, then a
slight chance of showers after midnight.
.MON...SW wind 5 to 10 kt. Seas 4 to 5 ft. Wave Detail: W 5 ft at
11 seconds. A slight chance of showers in the morning, then a
chance of showers in the afternoon.
.MON NIGHT...S wind 5 to 10 kt, becoming 10 to 15 kt after
midnight. Seas 4 to 5 ft. Wave Detail: W 5 ft at 10 seconds. A
chance of showers.
.TUE...SE wind 10 to 15 kt, becoming 15 to 20 kt with gusts to
25 kt in the afternoon. Seas 5 to 7 ft. Wave Detail: S 5 ft at
6 seconds, NW 5 ft at 12 seconds and SW 3 ft at 14 seconds.
Showers.
.TUE NIGHT...SE wind 15 to 20 kt with gusts to 25 kt. Seas 6 to
9 ft. Wave Detail: S 7 ft at 8 seconds and NW 5 ft at 12 seconds.
Showers.

$$

PZZ676-191000-
Outer waters from Santa Cruz Island to San Clemente Island to 60 NM
offshore including San Nicolas and Santa Barbara Islands-
108 PM PST Thu Dec 18 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING...

.TONIGHT...NW wind 15 to 25 kt with gusts to 30 kt. Seas 6 to 8 ft.
Wave Detail: NW 7 ft at 8 seconds and NW 5 ft at 11 seconds. Patchy
fog after midnight.
.FRI...NW wind 15 to 25 kt with gusts 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 15 to 25 kt with gusts 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 20 kt with gusts to 25 kt, becoming 10 to
15 kt in the afternoon. Seas 5 to 7 ft. Wave Detail: NW 3 ft at
6 seconds and NW 6 ft at 11 seconds. Patchy fog in the morning.
.SAT NIGHT...NW wind 10 to 15 kt with gusts to 20 kt. Seas 4 to 6 ft.
Wave Detail: NW 2 ft at 5 seconds and NW 5 ft at 11 seconds. A
slight chance of showers after midnight.
.SUN...NW wind 5 to 10 kt in the morning, becoming light. Seas
4 to 6 ft. Wave Detail: NW 5 ft at 12 seconds.
.SUN NIGHT...NW wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: NW
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 3 to 5 ft. Wave Detail: W 4 ft at 10 seconds. A slight chance
of showers.
.TUE...S wind 10 to 15 kt, becoming SE 10 to 15 kt with gusts to
20 kt in the afternoon. Seas 4 to 6 ft. Wave Detail: S 3 ft at
5 seconds and W 4 ft at 10 seconds. A chance of showers in the
morning, then showers likely in the afternoon.
.TUE NIGHT...SE wind 10 to 15 kt with gusts to 20 kt. Seas 5 to 7 ft.
Wave Detail: S 5 ft at 6 seconds and NW 4 ft at 11 seconds.
Showers.

$$

PZZ650-191000-
East Santa Barbara Channel from Pt. Conception to Pt. Mugu CA
including Santa Cruz Island-
108 PM PST Thu Dec 18 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM PST THIS AFTERNOON
THROUGH LATE TONIGHT...

.TONIGHT...Western Portion, NW wind 15 to 20 kt with gusts to 25 kt.
Eastern Portion, W wind 5 to 10 kt in the evening, becoming light.
Seas 4 to 6 ft. Wave Detail: NW 4 ft at 9 seconds.
.FRI...Western Portion, NW wind 10 to 15 kt with gusts to 20 kt,
becoming 15 to 20 kt with gusts to 25 kt in the afternoon. Eastern
portion, light winds, 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 15 to 20 kt with gusts to
25 kt. Eastern Portion, W wind 10 to 15 kt in the evening, becoming
NE 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: W 5 ft at 8 seconds.
.SAT...Western portion, light winds, becoming W 5 to 10 kt in the
afternoon. Eastern portion, NE wind 10 to 15 kt in the morning,
becoming W 5 to 10 kt in the afternoon. Seas 2 to 4 ft. Wave
Detail: W 3 ft at 9 seconds.
.SAT NIGHT...W to NW wind 10 to 15 kt in the evening, becoming
light. Seas 2 to 4 ft. Wave Detail: W 3 ft at 10 seconds.
.SUN...Light winds, becoming W 5 to 10 kt in the afternoon. Seas
2 to 3 ft. Wave Detail: W 3 ft at 12 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, becoming W 5 to 10 kt in the afternoon. Seas
2 to 3 ft. Wave Detail: W 3 ft at 11 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. A slight
chance of showers after midnight.
.TUE...SE wind 5 to 10 kt, becoming 10 to 15 kt with gusts to 20 kt
in the afternoon. Seas 2 to 4 ft. Wave Detail: SE 2 ft at 5 seconds
and W 2 ft at 10 seconds. A chance of showers in the morning, then
showers likely in the afternoon.
.TUE NIGHT...SE wind 15 to 20 kt with gusts to 25 kt. Seas 3 to 5 ft.
Wave Detail: SE 4 ft at 5 seconds and W 2 ft at 10 seconds.
Showers.

$$

PZZ655-191000-
Inner waters from Point Mugu to San Mateo Pt. CA including Santa
Catalina and Anacapa Islands-
108 PM PST Thu Dec 18 2025

.TONIGHT...W wind 5 to 10 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...W wind 10 to 15 kt in the evening, becoming light.
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 9 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, becoming W 5 to 10 kt in the afternoon.
Seas 2 to 3 ft. Wave Detail: W 2 ft at 12 seconds.
.SUN NIGHT...W wind 5 to 10 kt in the evening, becoming light.
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. A slight chance of
showers after midnight.
.TUE...SE wind 5 to 10 kt, becoming 10 to 15 kt in the afternoon.
Seas 2 to 3 ft. Wave Detail: S 2 ft at 5 seconds and W 2 ft at
10 seconds. A chance of showers in the morning, then showers likely
in the afternoon.
.TUE NIGHT...SE wind 10 to 15 kt with gusts to 20 kt. Seas 2 to 4 ft.
Wave Detail: SE 3 ft at 5 seconds and W 2 ft at 10 seconds.
Showers.

$$

RAT

www.weather.gov/losangeles


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