Coastal Waters Forecast
Issued by NWS Los Angeles, CA

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FZUS56 KLOX 190908
CWFLOX

Coastal Waters Forecast
National Weather Service Los Angeles/Oxnard CA
208 AM PDT Sun Sep 19 2021

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

PZZ600-191730-
208 AM PDT Sun Sep 19 2021

.Synopsis for the southern California coast and Santa Barbara
Channel including the Channel Islands National Marine Sanctuary
and National Park...at 07Z, or 12 AM PDT, a 1026 MB surface high
was centered 1000 NM W of Point Conception and a 1000 MB thermal
low was over Nevada. The high will expand into Oregon today then
into the Great Basin Monday and Tuesday.

$$

PZZ645-191730-
Point Piedras Blancas to Point Sal westward out to 10 NM-
208 AM PDT Sun Sep 19 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH THIS
EVENING...

.TODAY...NW winds 10 to 15 kt, becoming 10 to 20 kt with gusts to
25 kt in the afternoon. Combined seas 4 to 5 ft dominant period
7 seconds, building to 6 to 7 ft dominant period 7 seconds in the
afternoon. Patchy fog in the morning.
.TONIGHT...NW winds 15 to 25 kt in the evening, becoming 10 to
15 kt. Combined seas 8 to 10 ft dominant period 8 seconds, subsiding
to 7 to 8 ft dominant period 9 seconds after midnight.
.MON...NW winds 10 to 15 kt. Wind waves 2 ft or less. NW swell 6 to
7 ft at 11 seconds.
.MON NIGHT...NW winds 10 to 15 kt in the evening, becoming variable
10 kt or less. Wind waves 2 ft or less. NW swell 6 to 7 ft at
12 seconds. Patchy fog after midnight.
.TUE...Winds variable 10 kt or less. Wind waves 2 ft or less. NW
swell 5 to 6 ft at 12 seconds. Patchy fog in the morning.
.TUE NIGHT...Winds variable 10 kt or less. Wind waves 2 ft or less.
NW swell 4 to 5 ft at 11 seconds. Patchy fog after midnight.
.WED...NW winds 10 to 15 kt. Wind waves 2 ft or less. NW swell 3 to
5 ft. Patchy fog.
.THU...NW winds 5 to 10 kt. Wind waves 2 ft or less. NW swell 5 to
6 ft. Patchy fog.

$$

PZZ670-191730-
Point Piedras Blancas to Point Sal from 10 to 60 NM-
208 AM PDT Sun Sep 19 2021

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.TODAY...NW winds 10 to 15 kt with local gusts to 20 kt, becoming
15 to 25 kt by the afternoon. Strongest western portion. Combined
seas 5 to 6 ft dominant period 7 seconds, building to 7 ft dominant
period 7 seconds in the afternoon. Patchy fog in the morning.
.TONIGHT...NW winds 15 to 25 kt with gusts to 30 kt. Combined seas
9 to 10 ft dominant period 9 seconds.
.MON...NW winds 10 to 20 kt with gusts to 25 kt. Strongest western
portion. Combined seas 8 to 9 ft dominant period 13 seconds.
.MON NIGHT...NW winds 10 to 15 kt. Wind waves 1 to 3 ft. NW swell
6 to 7 ft at 12 seconds. Patchy fog after midnight.
.TUE...SE winds 5 to 10 kt. Wind waves 2 ft or less. NW swell 5 to
6 ft at 12 seconds. Patchy fog in the morning.
.TUE NIGHT...Winds variable 10 kt or less, becoming S 5 to 10 kt
after midnight. Wind waves 2 ft or less. NW swell 4 to 5 ft at
11 seconds. Patchy fog after midnight.
.WED...NW winds 10 to 15 kt. Wind waves 2 ft or less. NW swell 4 to
6 ft. Patchy fog.
.THU...NW winds 10 to 15 kt. Wind waves 2 ft or less. NW swell 5 to
6 ft. Patchy fog.

$$

PZZ673-191730-
Waters from Pt. Sal to Santa Cruz Island CA and westward 60 nm
including San Miguel and Santa Rosa Islands-
208 AM PDT Sun Sep 19 2021

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.TODAY...NW winds 15 to 25 kt. Strongest around Point Conception.
Combined seas 7 to 9 ft dominant period 7 seconds. Patchy fog in the
morning.
.TONIGHT...NW winds 15 to 25 kt with gusts to 30 kt. Combined seas
9 to 11 ft dominant period 9 seconds.
.MON...NW winds 15 to 20 kt with gusts to 25 kt. Combined seas 7 to
9 ft dominant period 11 seconds.
.MON NIGHT...NW winds 10 to 15 kt, becoming N 5 to 10 kt after
midnight. Wind waves 2 ft or less. NW swell 6 to 7 ft at 12 seconds.
Patchy fog after midnight.
.TUE...SE winds 5 to 10 kt. Wind waves 2 ft or less. NW swell 5 to
6 ft at 12 seconds. Patchy fog in the morning.
.TUE NIGHT...Winds variable 10 kt or less. Wind waves 2 ft or less.
NW swell 4 to 5 ft at 11 seconds. Patchy fog after midnight.
.WED...NW winds 15 to 20 kt. Combined seas 4 to 6 ft. Patchy fog.
.THU...NW winds 10 to 20 kt. Wind waves 2 to 3 ft. NW swell 5 to
6 ft. Patchy fog.

$$

PZZ676-191730-
Outer waters from Santa Cruz Island to San Clemente Island to 60 NM
offshore including San Nicolas and Santa Barbara Islands-
208 AM PDT Sun Sep 19 2021

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.TODAY...NW winds 15 to 25 kt. Strongest NW of San Nicolas Island.
Combined seas 6 to 8 ft dominant period 8 seconds. Patchy fog in the
morning.
.TONIGHT...NW winds 15 to 25 kt with local gusts to 30 kt. Strongest
NW of San Nicolas Island. Combined seas 7 to 10 ft dominant period
9 seconds.
.MON...NW winds 15 to 20 kt with gusts to 25 kt, becoming 10 to
15 kt by the afternoon. Strongest NW of San Nicolas Island. Combined
seas 6 to 8 ft dominant period 10 seconds.
.MON NIGHT...NW winds 5 to 10 kt, becoming E after midnight. Wind
waves 2 ft or less. NW swell 4 to 6 ft at 11 seconds. Patchy fog
after midnight.
.TUE...SE winds 5 to 10 kt. Wind waves 2 ft or less. NW swell 4 to
6 ft at 12 seconds. Patchy fog in the morning.
.TUE NIGHT...Winds variable 10 kt or less, becoming NW 5 to 10 kt
after midnight. Wind waves 2 ft or less. NW swell 3 to 5 ft at
11 seconds. Patchy fog after midnight.
.WED...NW winds 15 to 20 kt with gusts to 25 kt. Combined seas 4 to
6 ft. Patchy fog.
.THU...NW winds 10 to 20 kt. Wind waves 2 to 3 ft. NW swell 4 to
6 ft. Patchy fog.

$$

PZZ650-191730-
East Santa Barbara Channel from Pt. Conception to Pt. Mugu CA
including Santa Cruz Island-
208 AM PDT Sun Sep 19 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH THIS
EVENING...

.TODAY...W winds 10 to 15 kt, becoming S 15 to 25 kt in the
afternoon. Combined seas 4 to 6 ft dominant period 7 seconds.
.TONIGHT...Western portion, NW winds 20 to 25 kt becoming 5 to 10 kt
after midnight. Eastern portion, winds variable 10 kt or less.
Combined seas 6 to 8 ft dominant period 9 seconds.
.MON...Winds variable 10 kt or less. Wind waves 2 ft or less. W
swell 3 to 5 ft at 9 seconds.
.MON NIGHT...Winds variable 10 kt or less, becoming E 5 to 10 kt
after midnight. Wind waves 2 ft or less. W swell 3 to 5 ft at
12 seconds.
.TUE...Winds variable 10 kt or less. Wind waves 2 ft or less. W
swell 2 to 4 ft at 12 seconds.
.TUE NIGHT...Winds variable 10 kt or less, becoming NW 5 to 10 kt
after midnight. Wind waves 2 ft or less. W swell 2 to 3 ft at
12 seconds. Patchy fog after midnight.
.WED...W winds 10 to 15 kt. Wind waves 1 to 3 ft. W swell 2 to 4 ft.
Patchy fog.
.THU...W winds 10 to 15 kt. Wind waves 2 ft or less. W swell 2 to
4 ft. Patchy fog.

$$

PZZ655-191730-
Inner waters from Point Mugu to San Mateo Pt. CA including Santa
Catalina and Anacapa Islands-
208 AM PDT Sun Sep 19 2021

.TODAY...Winds variable 10 kt or less. Wind waves 2 ft or less.
Mixed swell W 2 to 3 ft at 7 seconds and S 2 ft at 14 seconds.
Patchy fog in the morning.
.TONIGHT...SW winds 10 to 15 kt, becoming SE 5 to 10 kt after
midnight. Wind waves 2 ft or less. W swell 3 to 5 ft at 9 seconds.
Patchy fog after midnight.
.MON...Winds variable 10 kt or less. Wind waves 2 ft or less. W
swell 3 to 4 ft at 9 seconds. Patchy fog in the morning.
.MON NIGHT...Winds variable 10 kt or less, becoming SE 5 to 10 kt
after midnight. Wind waves 2 ft or less. Mixed swell W 2 to 3 ft at
10 seconds and S 2 ft at 13 seconds. Patchy fog after midnight.
.TUE...S winds 5 to 10 kt. Wind waves 2 ft or less. Mixed swell W
2 ft at 12 seconds and S 2 ft at 13 seconds. Patchy fog in the
morning.
.TUE NIGHT...W winds 5 to 10 kt. Wind waves 2 ft or less. Mixed
swell W 2 ft at 12 seconds and S 2 ft at 13 seconds. Patchy fog
after midnight.
.WED...NW winds 10 to 15 kt. Wind waves 1 to 3 ft. Mixed swell W
2 to 4 ft and S 2 ft. Patchy fog.
.THU...W winds 10 to 15 kt. Wind waves 2 ft or less. Mixed swell W
2 to 4 ft and S 2 ft. Patchy fog.

$$

Sirard

www.weather.gov/losangeles


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