Coastal Waters Forecast
Issued by NWS Los Angeles, CA

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FZUS56 KLOX 181110
CWFLOX

Coastal Waters Forecast
National Weather Service Los Angeles/Oxnard CA
310 AM PST Thu Jan 18 2018

Point Piedras Blancas to San Mateo Point CA out 60 NM including the
Channel Islands National Marine Sanctuary

PZZ600-181730-
310 AM PST Thu Jan 18 2018

.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 1024 MB high was
located 500 NM SW of Point Conception. A 964 MB low was located
500 NM west of Vancouver. Very large W to NW swell will overspread
the water today and persist into the weekend. Strong NW winds will
affect much of the waters Fri through Sat.

$$

PZZ645-181730-
Point Piedras Blancas to Point Sal westward out to 10 NM-
310 AM PST Thu Jan 18 2018

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

.TODAY...NW winds 10 to 15 kt. Wind waves 2 ft or less. NW swell
7 to 9 ft at 20 seconds, becoming W and building to 12 to 14 ft at
20 seconds in the afternoon. Patchy dense fog with VSBY 1 nm or less
in the morning.
.TONIGHT...NW winds 10 to 15 kt in the evening, becoming 15 to
20 kt. Wind waves 2 to 3 ft. W swell 13 to 15 ft at 18 seconds,
building to 14 to 17 ft at 17 seconds after midnight. Chance of
rain.
.FRI...NW winds 15 to 25 kt. Combined seas 13 to 16 ft dominant
period 16 seconds. Chance of showers.
.FRI NIGHT...NW winds 15 to 25 kt with gusts to 30 kt. Combined seas
12 to 15 ft dominant period 15 seconds, subsiding to 11 to 13 ft
dominant period 15 seconds after midnight. Chance of showers and
slight chance of thunderstorms in the evening, then slight chance of
showers.
.SAT...NW winds 10 to 20 kt, becoming 15 to 25 kt by the afternoon.
Combined seas 10 to 12 ft dominant period 15 seconds.
.SAT NIGHT...NW winds 15 to 25 kt in the evening, becoming N 10
to 15 kt. Combined seas 10 to 12 ft dominant period 14 seconds,
subsiding to 7 to 9 ft dominant period 14 seconds after midnight.
.SUN...NW winds 10 to 15 kt. Wind waves 2 ft. NW swell 7 to 9 ft.
.MON...NW winds 10 to 15 kt. Wind waves 2 ft. NW swell 9 to 12 ft.
Slight chance of rain.

$$

PZZ670-181730-
Point Piedras Blancas to Point Sal from 10 to 60 NM-
310 AM PST Thu Jan 18 2018

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

.TODAY...NW winds 10 to 20 kt. Wind waves 2 to 3 ft. W swell 8 to 11
ft at 20 seconds, building rapidly to 14 to 17 ft at 20 seconds by
afternoon. Patchy dense fog with VSBY 1 nm or less in the morning.
Slight chance of rain in the afternoon.
.TONIGHT...NW winds 15 to 25 kt. Combined seas 15 to 18 ft dominant
period 18 seconds, building to 17 to 19 ft dominant period 17 seconds
after midnight. Chance of rain.
.FRI...NW winds 15 to 25 kt. Combined seas 17 to 19 ft dominant
period 16 seconds, subsiding to 15 to 17 ft dominant period 15
seconds in the afternoon. Chance of showers. Slight chance of
thunderstorms in the afternoon.
.FRI NIGHT...NW winds 20 to 30 kt. Combined seas 14 to 16 ft
dominant period 15 seconds. Slight chance of thunderstorms in the
evening. Chance of showers.
.SAT...NW winds 20 to 30 kt. Combined seas 12 to 14 ft dominant
period 15 seconds.
.SAT NIGHT...NW winds 20 to 30 kt, becoming N 10 to 20 kt after
midnight. Combined seas 12 to 14 ft dominant period 14 seconds,
subsiding to 7 to 9 ft dominant period 14 seconds after midnight.
.SUN...NW winds 10 to 15 kt. Wind waves 2 ft. NW swell 7 to 9 ft.
Slight chance of rain.
.MON...NW winds 10 to 15 kt. Wind waves 2 ft. NW swell 9 to 12 ft.
Slight chance of rain.

$$

PZZ673-181730-
Waters from Pt. Sal to Santa Cruz Island CA and westward 60 nm
including San Miguel and Santa Rosa Islands-
310 AM PST Thu Jan 18 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...
...GALE WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH SATURDAY
EVENING...

.TODAY...NW winds 15 to 25 kt. Combined seas 9 to 11 ft dominant
period 20 seconds, building rapidly to 13 to 16 ft dominant period
20 seconds in the afternoon. Patchy dense fog with VSBY 1 nm or less
in the morning.
.TONIGHT...NW winds 15 to 25 kt. Combined seas 13 to 16 ft dominant
period 18 seconds, building to 15 to 18 ft dominant period 17
seconds after midnight. Slight chance of rain in the evening, then
chance of rain.
.FRI...NW winds 15 to 25 kt with gusts to 30 kt. Possible frequent
gusts to 35 kt in the afternoon. Combined seas 14 to 17 ft dominant
period 16 seconds. Slight chance of showers.
.FRI NIGHT...NW winds 20 to 30 kt with possible frequent gusts to 40
kt. Combined seas 13 to 16 ft dominant period 15 seconds. Chance of
showers and slight chance of thunderstorms.
.SAT...NW winds 20 to 30 kt with possible frequent gusts to 35 kt.
Combined seas 12 to 15 ft dominant period 15 seconds.
.SAT NIGHT...NW winds 20 to 30 kt with possible frequent gusts to 35
kt in the evening, becoming 15 to 25 kt. Combined seas 10 to 13 ft
dominant period 14 seconds.
.SUN...NW winds 10 to 20 kt with local gusts to 25 kt. Wind waves 2
to 4 ft. NW swell 8 to 10 ft.
.MON...NW winds 10 to 20 kt. Wind waves 2 to 3 ft. NW swell 10 to 12
ft.

$$

PZZ676-181730-
Outer waters from Santa Cruz Island to San Clemente Island to 60 NM
offshore including San Nicolas and Santa Barbara Islands-
310 AM PST Thu Jan 18 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY AFTERNOON...
...GALE WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH SATURDAY
EVENING...

.TODAY...NW winds 15 to 25 kt. Combined seas 8 to 10 ft dominant
period 18 seconds, building to 11 to 14 ft dominant period 18 seconds
in the afternoon. Patchy dense fog with VSBY 1 nm or less in the
morning.
.TONIGHT...NW winds 15 to 25 kt. Combined seas 11 to 14 ft dominant
period 18 seconds, building to 13 to 16 ft dominant period 17
seconds after midnight. Slight chance of rain after midnight.
.FRI...NW winds 15 to 25 kt with gusts to 30 kt. Possible frequent
gusts to 35 kt in the afternoon. Combined seas 13 to 16 ft dominant
period 16 seconds. Slight chance of showers.
.FRI NIGHT...NW winds 20 to 30 kt with possible frequent gusts to 40
kt. Combined seas 13 to 16 ft dominant period 15 seconds. Slight
chance of showers in the evening, then chance of showers and slight
chance of thunderstorms.
.SAT...NW winds 20 to 30 kt with possible frequent gusts to 35 kt.
Combined seas 12 to 15 ft dominant period 15 seconds.
.SAT NIGHT...NW winds 20 to 30 kt with possible frequent gusts to 35
kt in the evening, becoming 15 to 25 kt. Combined seas 10 to 13 ft
dominant period 14 seconds.
.SUN...NW winds 15 to 25 kt. Combined seas 8 to 10 ft.
.MON...NW winds 15 to 25 kt. Combined seas 9 to 11 ft.

$$

PZZ650-181730-
East Santa Barbara Channel from Pt. Conception to Pt. Mugu CA
including Santa Cruz Island-
310 AM PST Thu Jan 18 2018

...GALE WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH SATURDAY
EVENING...

.TODAY...SW winds 5 to 10 kt, becoming W 10 to 15 kt in the
afternoon. Wind waves 2 ft or less. W swell 5 to 7 ft at 16 seconds.

.TONIGHT...W to NW winds 10 to 15 kt. Wind waves 2 ft. W swell 5 to
7 ft at 18 seconds, building to 7 to 9 ft at 17 seconds after
midnight. Slight chance of rain after midnight.
.FRI...W to NW winds 10 to 20 kt, becoming 15 to 25 kt with gusts to
30 kt in the afternoon. Possible frequent gusts to 35 kt western
portion in the afternoon. Combined seas 8 to 11 ft dominant period
16 seconds. Slight chance of showers.
.FRI NIGHT...W to NW winds 20 to 30 kt with possible frequent gusts
to 35 kt. Combined seas 8 to 11 ft dominant period 15 seconds.
Slight chance of showers.
.SAT...W to NW winds 20 to 30 kt with possible frequent gusts
to 35 kt. Combined seas 7 to 9 ft dominant period 15 seconds.
.SAT NIGHT...W to NW winds 15 to 25 kt with possible frequent gusts
to 35 kt in the evening, becoming 10 to 20 kt. Combined seas 6 to 8
ft dominant period 14 seconds.
.SUN...NW winds 10 to 15 kt. Wind waves 2 ft. W swell 5 to 7 ft.
.MON...NW winds 10 to 15 kt. Wind waves 2 ft. W swell 6 to 8 ft.

$$

PZZ655-181730-
Inner waters from Point Mugu to San Mateo Pt. CA including Santa
Catalina and Anacapa Islands-
310 AM PST Thu Jan 18 2018

...GALE WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH SATURDAY
EVENING...

.TODAY...NW winds around 10 kt, becoming W 10 to 15 kt in the
afternoon. Wind waves 2 ft or less. W swell 3 to 5 ft at 16 seconds.
Patchy fog in the morning.
.TONIGHT...W winds 10 to 15 kt. Wind waves 2 ft. W swell 3 to 5 ft
at 18 seconds, building to 5 to 7 ft at 17 seconds after midnight.
.FRI...W to NW winds 10 to 20 kt, becoming 15 to 25 kt with gusts to
30 kt in the afternoon. Possible frequent gusts to 35 kt western
portion in the afternoon. Combined seas 7 to 9 ft dominant period 16
seconds. Slight chance of showers.
.FRI NIGHT...W to NW winds 20 to 30 kt with possible frequent gusts
to 35 kt. Combined seas 8 to 11 ft dominant period 15 seconds.
Slight chance of showers in the evening, then chance of showers.
.SAT...W to NW winds 20 to 30 kt with possible frequent gusts
to 35 kt. Combined seas 7 to 9 ft dominant period 15 seconds.
.SAT NIGHT...W to NW winds 15 to 25 kt with possible frequent gusts
to 35 kt in the evening, becoming 10 to 20 kt. Combined seas 5 to 7
ft dominant period 14 seconds.
.SUN...NW winds 10 to 15 kt. Wind waves 2 ft. W swell 4 to 6 ft.
.MON...NW winds 10 to 15 kt. Wind waves 2 ft. W swell 4 to 6 ft.


$$



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