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Port Chicago, CA - Suisun Bay Coastal Forecast

FZUS56 KMTR 180936
CWFMTR

Coastal Waters Forecast for California
National Weather Service San Francisco Bay Area
236 AM PDT Tue Aug 18 2026

Central California Coast from Point Arena to Point Piedras
Blancas out to 60 NM, including Monterey Bay, Greater Farallones,
and Cordell Bank National Marine Sanctuaries

PZZ500-182215-
236 AM PDT Tue Aug 18 2026

.Synopsis for the Central California Coast and Bays Including
the Monterey Bay...Greater Farallones...and Cordell Bank National
Marine Sanctuaries...

A fresh to strong northwest breeze will develop across the outer
waters today and extend into the inner waters tonight into
tomorrow. Winds then remain elevated through the end of the
forecast period. Locally stronger winds are possible in the
coastal jet regions north of Point Reyes and along the Big Sur
coast. Seas build to 7 to 9 feet Tuesday and Wednesday before
subsiding late week.

$$

PZZ570-182215-
Waters from Point Arena to Point Reyes 10-60 NM-
236 AM PDT Tue Aug 18 2026

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

.TODAY...NW wind 15 to 20 kt. Seas 6 to 8 ft. Wave Detail: NW
8 ft at 8 seconds and S 2 ft at 14 seconds.
.TONIGHT...NW wind 15 to 20 kt, rising to 20 to 25 kt after
midnight. Seas 8 to 9 ft. Wave Detail: NW 9 ft at 8 seconds and S
3 ft at 14 seconds.
.WED...NW wind 20 to 25 kt, easing to 15 to 20 kt in the
afternoon. Seas 8 to 10 ft. Wave Detail: NW 9 ft at 8 seconds and
S 2 ft at 15 seconds.
.WED NIGHT...NW wind around 20 kt. Seas 8 to 9 ft. Wave Detail:
NW 9 ft at 8 seconds and S 2 ft at 15 seconds.
.THU...NW wind 15 to 20 kt. Seas 7 to 8 ft. Wave Detail: NW 8 ft
at 8 seconds and S 2 ft at 15 seconds.
.THU NIGHT...NW wind 15 to 20 kt. Seas 6 to 8 ft. Wave Detail: NW
7 ft at 7 seconds and S 2 ft at 15 seconds.
.FRI...NW wind 15 to 20 kt. Seas 5 to 6 ft. Wave Detail: NW 5 ft
at 7 seconds and S 2 ft at 14 seconds.
.FRI NIGHT...NW wind 15 to 20 kt. Seas 4 to 6 ft. Wave Detail: NW
5 ft at 6 seconds and S 2 ft at 14 seconds.
.SAT...NW wind around 20 kt. Seas 6 to 7 ft. Wave Detail: NW 7 ft
at 7 seconds and S 2 ft at 14 seconds.
.SAT NIGHT...NW wind 20 to 25 kt. Seas 7 to 9 ft. Wave Detail: NW
9 ft at 8 seconds and S 2 ft at 14 seconds.

$$

PZZ571-182215-
Waters from Point Reyes to Pigeon Point 10-60 NM-
236 AM PDT Tue Aug 18 2026

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

.TODAY...NW wind 15 to 20 kt. Seas 4 to 6 ft, building to 6 to
8 ft this afternoon. Wave Detail: NW 7 ft at 8 seconds and S 2 ft
at 14 seconds.
.TONIGHT...NW wind 15 to 20 kt. Seas 6 to 8 ft. Wave Detail: NW
7 ft at 8 seconds and S 3 ft at 14 seconds.
.WED...NW wind 15 to 20 kt. Seas 7 to 9 ft. Wave Detail: NW 8 ft
at 8 seconds and S 2 ft at 15 seconds.
.WED NIGHT...NW wind 15 to 20 kt. Seas 7 to 9 ft. Wave Detail: NW
9 ft at 9 seconds and S 2 ft at 15 seconds.
.THU...NW wind 15 to 20 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 15 to 20 kt. Seas 7 to 8 ft. Wave Detail: NW
7 ft at 8 seconds and S 2 ft at 15 seconds.
.FRI...NW wind 15 to 20 kt. Seas 5 to 6 ft. Wave Detail: NW 6 ft
at 7 seconds and S 2 ft at 14 seconds.
.FRI NIGHT...NW wind 15 to 20 kt. Seas 5 to 6 ft. Wave Detail: NW
5 ft at 7 seconds and S 2 ft at 14 seconds.
.SAT...NW wind 15 to 20 kt. Seas 5 to 7 ft. Wave Detail: NW 7 ft
at 7 seconds and S 2 ft at 14 seconds.
.SAT NIGHT...NW wind 15 to 20 kt. Seas 6 to 7 ft. Wave Detail: NW
7 ft at 8 seconds and S 2 ft at 14 seconds.

$$

PZZ575-182215-
Waters from Pigeon Point to Point Pinos 10-60 NM-
236 AM PDT Tue Aug 18 2026

.TODAY...NW wind 10 to 15 kt. Seas 4 to 5 ft, building to 6 to
7 ft this afternoon. Wave Detail: NW 6 ft at 8 seconds and S 2 ft
at 14 seconds.
.TONIGHT...NW wind 15 to 20 kt, easing to 10 to 15 kt after
midnight. Seas 6 to 7 ft. Wave Detail: NW 7 ft at 8 seconds and S
3 ft at 15 seconds.
.WED...NW wind 10 to 15 kt, rising to 15 to 20 kt in the
afternoon. Seas 6 to 8 ft. Wave Detail: NW 7 ft at 8 seconds and
S 2 ft at 15 seconds.
.WED NIGHT...NW wind 15 to 20 kt. Seas 7 to 8 ft. Wave Detail: NW
8 ft at 8 seconds and S 2 ft at 15 seconds.
.THU...NW wind 15 to 20 kt. Seas 7 to 8 ft. Wave Detail: NW 8 ft
at 9 seconds and S 2 ft at 15 seconds.
.THU NIGHT...NW wind 15 to 20 kt. Seas around 7 ft. Wave Detail:
NW 7 ft at 8 seconds and S 2 ft at 15 seconds.
.FRI...NW wind 15 to 20 kt. Seas 5 to 6 ft. Wave Detail: NW 6 ft
at 8 seconds and S 2 ft at 14 seconds.
.FRI NIGHT...NW wind 15 to 20 kt. Seas 5 to 6 ft. Wave Detail: NW
5 ft at 7 seconds and S 2 ft at 14 seconds.
.SAT...NW wind 15 to 20 kt. Seas 5 to 6 ft. Wave Detail: NW 6 ft
at 7 seconds and S 2 ft at 13 seconds.
.SAT 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 14 seconds.

$$

PZZ576-182215-
Waters from Point Pinos to Point Piedras Blancas 10-60 NM-
236 AM PDT Tue Aug 18 2026

.TODAY...NW wind 15 to 20 kt. Seas around 5 ft, building to 6 to
7 ft this afternoon. Wave Detail: NW 6 ft at 7 seconds and S 2 ft
at 14 seconds.
.TONIGHT...NW wind 15 to 20 kt. Seas 7 to 8 ft. Wave Detail: NW
8 ft at 8 seconds and S 2 ft at 14 seconds.
.WED...NW wind 15 to 20 kt. Seas 7 to 8 ft. Wave Detail: NW 7 ft
at 8 seconds and S 3 ft at 15 seconds.
.WED NIGHT...NW wind around 20 kt. Seas 8 to 9 ft. Wave Detail:
NW 8 ft at 8 seconds and S 2 ft at 15 seconds.
.THU...NW wind around 20 kt. Seas 7 to 9 ft. Wave Detail: NW 8 ft
at 9 seconds and S 2 ft at 15 seconds.
.THU NIGHT...NW wind around 20 kt. Seas 7 to 8 ft. Wave Detail:
NW 7 ft at 8 seconds and S 2 ft at 15 seconds.
.FRI...NW wind around 20 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft
at 8 seconds and S 2 ft at 14 seconds.
.FRI NIGHT...NW wind around 20 kt. Seas 5 to 7 ft. Wave Detail:
NW 6 ft at 7 seconds and S 2 ft at 14 seconds.
.SAT...NW wind around 20 kt. Seas 5 to 6 ft. Wave Detail: NW 6 ft
at 7 seconds and S 2 ft at 14 seconds.
.SAT NIGHT...NW wind 15 to 20 kt. Seas around 6 ft. Wave Detail:
NW 6 ft at 7 seconds.

$$

PZZ540-182215-
Coastal Waters from Point Arena to Point Reyes California out to
10 NM-
236 AM PDT Tue Aug 18 2026

.TODAY...NW wind 5 to 10 kt, rising to 10 to 15 kt this
afternoon. Seas 4 to 5 ft, building to 5 to 7 ft this afternoon.
Wave Detail: NW 6 ft at 8 seconds and S 2 ft at 14 seconds.
Patchy dense fog early this morning.
.TONIGHT...NW wind 10 to 15 kt. Seas 6 to 8 ft. Wave Detail: NW
7 ft at 7 seconds and S 3 ft at 14 seconds.
.WED...NW wind 10 to 15 kt, rising to 15 to 20 kt in the
afternoon. Seas 6 to 8 ft. Wave Detail: NW 7 ft at 8 seconds and
S 2 ft at 15 seconds.
.WED NIGHT...NW wind 15 to 20 kt. Seas 7 to 8 ft. Wave Detail: NW
8 ft at 8 seconds and SW 2 ft at 15 seconds.
.THU...NW wind 15 to 20 kt. Seas 6 to 7 ft. Wave Detail: NW 7 ft
at 8 seconds and S 2 ft at 15 seconds.
.THU NIGHT...NW wind 15 to 20 kt. Seas 5 to 8 ft. Wave Detail: NW
7 ft at 7 seconds and S 2 ft at 14 seconds.
.FRI...NW wind 15 to 20 kt. Seas 4 to 6 ft. Wave Detail: NW 5 ft
at 7 seconds and S 2 ft at 14 seconds.
.FRI NIGHT...NW wind 15 to 20 kt. Seas 4 to 6 ft. Wave Detail: NW
6 ft at 6 seconds and S 2 ft at 14 seconds.
.SAT...NW wind 10 to 15 kt, rising to 15 to 20 kt in the
afternoon. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 7 seconds and
S 2 ft at 14 seconds.
.SAT NIGHT...NW wind 15 to 20 kt, easing to 10 to 15 kt after
midnight. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 7 seconds and S
2 ft at 14 seconds.

$$

PZZ545-182215-
Coastal Waters from Point Reyes to Pigeon Point California out to
10 NM-
236 AM PDT Tue Aug 18 2026

.TODAY...NW wind 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: NW 5 ft
at 8 seconds and SW 2 ft at 14 seconds. Patchy dense fog early
this morning.
.TONIGHT...NW wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: NW
5 ft at 8 seconds and SW 2 ft at 14 seconds.
.WED...NW wind 5 to 10 kt, rising to 10 to 15 kt in the
afternoon. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 8 seconds and
SW 2 ft at 15 seconds.
.WED NIGHT...NW wind 10 to 15 kt. Seas 5 to 8 ft. Wave Detail: NW
6 ft at 8 seconds and SW 2 ft at 15 seconds.
.THU...NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail: NW 6 ft
at 8 seconds and SW 2 ft at 15 seconds.
.THU NIGHT...NW wind 15 to 20 kt. Seas 5 to 8 ft. Wave Detail: NW
6 ft at 8 seconds and SW 2 ft at 15 seconds.
.FRI...NW wind 10 to 15 kt, rising to 15 to 20 kt in the
afternoon. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 7 seconds and
SW 2 ft at 14 seconds.
.FRI NIGHT...NW wind 15 to 20 kt. Seas 4 to 6 ft. Wave Detail: NW
5 ft at 7 seconds.
.SAT...NW wind 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: NW 4 ft
at 7 seconds.
.SAT NIGHT...NW wind 10 to 15 kt. Seas 4 to 5 ft. Wave Detail: NW
5 ft at 8 seconds.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST.....

IN THE DEEP WATER CHANNEL...Mixed seas of 2 to 4 ft at 14
seconds.

ACROSS THE BAR...Swell can be more than twice as high across the
bar than surrounding waters. Waves are also more prone to break,
particularly during strong ebb currents. Maximum ebb current of
1.6 kt at 09:32 AM Tuesday and 2.5 kt at 09:33 PM Tuesday.

$$

PZZ560-182215-
Coastal Waters from Pigeon Point to Point Pinos California out to
10 NM-
236 AM PDT Tue Aug 18 2026

.TODAY...NW wind 5 to 10 kt, rising to 10 to 15 kt this
afternoon. Seas 3 to 4 ft, building to 5 ft this afternoon. Wave
Detail: NW 5 ft at 8 seconds and S 2 ft at 14 seconds.
.TONIGHT...NW wind 10 to 15 kt, easing to 5 to 10 kt after
midnight. Seas 5 to 6 ft. Wave Detail: NW 6 ft at 7 seconds and S
2 ft at 14 seconds.
.WED...NW wind around 5 kt, rising to 10 to 15 kt in the
afternoon. Seas 5 to 6 ft. Wave Detail: NW 6 ft at 9 seconds and
S 2 ft at 15 seconds.
.WED NIGHT...NW wind 15 to 20 kt, easing to 10 to 15 kt after
midnight. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 8 seconds and S
2 ft at 15 seconds.
.THU...NW wind 10 to 15 kt, rising to 15 to 20 kt in the
afternoon. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 9 seconds and
S 2 ft at 15 seconds.
.THU NIGHT...NW wind 15 to 20 kt. Seas 5 to 7 ft. Wave Detail: NW
6 ft at 7 seconds and S 2 ft at 14 seconds.
.FRI...NW wind 10 to 15 kt, rising to 15 to 20 kt in the
afternoon. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 8 seconds and
S 2 ft at 14 seconds.
.FRI NIGHT...NW wind 20 to 25 kt, easing to 15 to 20 kt after
midnight. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 7 seconds.
.SAT...NW wind 10 to 15 kt, rising to 15 to 20 kt in the
afternoon. Seas 3 to 5 ft. Wave Detail: NW 4 ft at 7 seconds and
S 2 ft at 13 seconds.
.SAT NIGHT...NW wind 15 to 20 kt, easing to 10 to 15 kt after
midnight. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 7 seconds.

$$

PZZ565-182215-
Coastal Waters from Point Pinos to Point Piedras Blancas
California out to 10 NM-
236 AM PDT Tue Aug 18 2026

.TODAY...NW wind 10 to 15 kt, rising to 15 to 20 kt late. Seas
4 to 6 ft. Wave Detail: NW 6 ft at 8 seconds and S 2 ft at
14 seconds.
.TONIGHT...NW wind 15 to 20 kt, easing to 10 to 15 kt after
midnight. Seas 6 to 8 ft. Wave Detail: NW 7 ft at 8 seconds and S
2 ft at 14 seconds.
.WED...NW wind 10 to 15 kt, rising to 15 to 20 kt in the
afternoon. Seas 6 to 7 ft. Wave Detail: NW 6 ft at 8 seconds and
S 3 ft at 15 seconds.
.WED NIGHT...NW wind 15 to 20 kt. Seas 6 to 8 ft. Wave Detail: NW
7 ft at 8 seconds and S 2 ft at 15 seconds.
.THU...NW wind 15 to 20 kt. Seas 6 to 8 ft. Wave Detail: NW 7 ft
at 9 seconds and S 2 ft at 15 seconds.
.THU NIGHT...NW wind 20 to 25 kt, easing to 15 to 20 kt after
midnight. Seas 6 to 8 ft. Wave Detail: NW 7 ft at 8 seconds and S
2 ft at 15 seconds.
.FRI...NW wind 15 to 20 kt, rising to 20 to 25 kt in the
afternoon. Seas 5 to 6 ft. Wave Detail: NW 5 ft at 8 seconds and
S 2 ft at 14 seconds.
.FRI NIGHT...NW wind 20 to 25 kt, easing to 15 to 20 kt after
midnight. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 7 seconds and S
2 ft at 14 seconds.
.SAT...NW wind 15 to 20 kt, rising to 20 to 25 kt in the
afternoon. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 7 seconds and
S 2 ft at 14 seconds.
.SAT NIGHT...NW wind 15 to 20 kt. Seas 5 to 6 ft. Wave Detail: NW
5 ft at 8 seconds.

$$

PZZ530-182215-
San Pablo Bay, Suisun Bay, the West Delta and the San Francisco
Bay north of the Bay Bridge-
236 AM PDT Tue Aug 18 2026

.TODAY...SW wind 5 to 10 kt, rising to 10 to 15 kt late.
.TONIGHT...SW wind 10 to 15 kt.
.WED...SW wind 5 to 10 kt, rising to 10 to 15 kt in the
afternoon.
.WED NIGHT...SW wind 10 to 15 kt.
.THU...SW wind 10 to 15 kt.
.THU NIGHT...SW wind 10 to 15 kt.
.FRI...SW wind 10 to 15 kt.
.FRI NIGHT...SW wind 10 to 15 kt, easing to 5 to 10 kt after
midnight.
.SAT...SW wind 5 to 10 kt, rising to 10 to 15 kt in the
afternoon.
.SAT NIGHT...SW wind 5 to 10 kt.

$$

PZZ531-182215-
San Francisco Bay South of the Bay Bridge-
236 AM PDT Tue Aug 18 2026

.TODAY...W wind 5 to 10 kt, rising to 10 to 15 kt late.
.TONIGHT...W wind 5 to 10 kt.
.WED...W wind 5 to 10 kt.
.WED NIGHT...W wind 10 to 15 kt, becoming SW 5 to 10 kt after
midnight.
.THU...W wind 5 to 10 kt.
.THU NIGHT...W wind 10 to 15 kt.
.FRI...W wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon.
.FRI NIGHT...W wind 10 to 15 kt, easing to 5 to 10 kt after
midnight.
.SAT...W wind 5 to 10 kt.
.SAT NIGHT...W wind 10 to 15 kt, becoming SW 5 to 10 kt after
midnight.

$$

PZZ535-182215-
Monterey Bay-
236 AM PDT Tue Aug 18 2026

.TODAY...NW wind around 5 kt, backing to W 10 to 15 kt. Seas 3 to
4 ft. Wave Detail: W 4 ft at 8 seconds and SW 2 ft at 14 seconds.
Patchy dense fog early this morning.
.TONIGHT...W wind 5 to 10 kt, becoming NW after midnight. Seas
4 to 5 ft. Wave Detail: NW 5 ft at 7 seconds and SW 2 ft at
15 seconds. Patchy fog after midnight.
.WED...NW wind around 5 kt, backing to W in the afternoon. Seas
3 to 5 ft. Wave Detail: W 4 ft at 8 seconds and SW 2 ft at
15 seconds. Patchy fog in the morning.
.WED NIGHT...NW wind 5 to 10 kt. Seas 4 to 6 ft. Wave Detail: NW
5 ft at 7 seconds.
.THU...NW wind around 5 kt, becoming W 10 to 15 kt in the
afternoon. Seas 4 to 5 ft. Wave Detail: NW 5 ft at 9 seconds and
SW 2 ft at 15 seconds.
.THU NIGHT...W wind 10 to 15 kt, becoming NW 5 to 10 kt after
midnight. Seas 4 to 6 ft. Wave Detail: NW 5 ft at 7 seconds.
.FRI...NW wind 5 to 10 kt, becoming W 10 to 15 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: NW 3 ft at 9 seconds.
.FRI NIGHT...NW wind 15 to 20 kt, easing to 10 to 15 kt after
midnight. Seas 3 to 5 ft. Wave Detail: NW 5 ft at 7 seconds.
.SAT...NW wind 5 to 10 kt, becoming W 10 to 15 kt in the
afternoon. Seas 3 to 4 ft. Wave Detail: NW 3 ft at 7 seconds.
.SAT NIGHT...W wind 10 to 15 kt, becoming NW 5 to 10 kt after
midnight. Seas 3 to 4 ft. Wave Detail: NW 4 ft at 7 seconds.

Locally lower winds and seas across sheltered portions of the bay.


$$


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