Coastal Waters Forecast
Issued by NWS Eureka, CA

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FZUS56 KEKA 200400
CWFEKA

Coastal Waters Forecast for Northwest California
National Weather Service Eureka CA
900 PM PDT Wed Aug 19 2026

WATERS FROM PT ST GEORGE TO PT ARENA AND OUT 60 NM

PZZ400-201615-
900 PM PDT Wed Aug 19 2026

.SYNOPSIS FOR NORTHERN CALIFORNIA WATERS...Northerly winds and
seas are expected to continue to diminish tonight and Thursday.
Light to gentle breezes are expected Friday through early Saturday
before northerly winds return through the afternoon Saturday. A
small long period south swell up to 3 feet will persist through
early in the week.

$$

PZZ450-201615-
Coastal waters from Pt. St. George to Cape Mendocino CA out 10 nm-
900 PM PDT Wed Aug 19 2026

.REST OF TONIGHT...W wind 5 to 10 kt. Seas 6 ft. Wave
Detail: NW 5 ft at 8 seconds and W 3 ft at 12 seconds. Patchy
dense fog.
.THU...NW wind 5 kt. Seas 5 ft. Wave Detail: NW
4 ft at 7 seconds and W 3 ft at 11 seconds.
.THU NIGHT...N wind 5 kt. Seas 4 ft. Wave Detail:
NW 2 ft at 7 seconds and W 3 ft at 11 seconds.
.FRI...W wind 5 kt. Seas 4 ft. Wave Detail: NW 2 ft
at 7 seconds and W 3 ft at 10 seconds.
.FRI NIGHT...NE wind 5 kt. Seas 4 ft. Wave Detail:
NW 2 ft at 7 seconds and W 3 ft at 10 seconds.
.SAT...N wind 5 kt. Seas 3 ft. Wave Detail: NW 2 ft
at 7 seconds and W 2 ft at 9 seconds.
.SAT NIGHT...N wind 5 to 10 kt. Seas 3 ft. Wave Detail: NW
3 ft at 7 seconds and SW 1 foot at 15 seconds.
.SUN...N wind 10 to 15 kt. Seas 4 ft. Wave Detail: NW 4 ft
at 9 seconds and SW 1 foot at 15 seconds.
.SUN NIGHT...N wind 5 to 10 kt. Seas 5 ft. Wave Detail: NW
5 ft at 8 seconds and SW 1 foot at 17 seconds.
.MON...NW wind 5 kt. Seas 3 ft. Wave Detail: NW
3 ft at 9 seconds and SW 1 foot at 17 seconds.
.MON NIGHT...N wind 5 kt. Seas 4 ft. Wave Detail:
NW 4 ft at 8 seconds and SW 1 foot at 17 seconds.

$$

PZZ470-201615-
Waters from Pt. St. George to Cape Mendocino CA from 10 to 60 nm-
900 PM PDT Wed Aug 19 2026

.REST OF TONIGHT...N wind 10 to 15 kt. Seas 8 ft. Wave
Detail: NW 7 ft at 7 seconds and W 3 ft at 12 seconds.
.THU...NW wind 10 to 15 kt. Seas 7 ft. Wave Detail: NW
6 ft at 7 seconds and W 3 ft at 11 seconds.
.THU NIGHT...NW wind 5 to 10 kt. Seas 5 ft. Wave Detail:
NW 4 ft at 7 seconds and W 3 ft at 11 seconds.
.FRI...NW wind 5 kt. Seas 4 ft. Wave Detail: NW
3 ft at 7 seconds and W 3 ft at 10 seconds.
.FRI NIGHT...NW wind 5 kt. Seas 4 ft. Wave Detail:
NW 2 ft at 7 seconds and W 3 ft at 10 seconds.
.SAT...NW wind 5 kt. Seas 4 ft. Wave Detail: NW
2 ft at 7 seconds and W 2 ft at 9 seconds.
.SAT NIGHT...N wind 10 to 15 kt. Seas 4 ft. Wave Detail: N
4 ft at 7 seconds and S 2 ft at 14 seconds.
.SUN...N wind 20 to 25 kt. Seas 6 ft. Wave Detail: N 6 ft
at 8 seconds and S 2 ft at 15 seconds.
.SUN NIGHT...N wind 20 to 25 kt. Seas 8 ft. Wave Detail: N
8 ft at 9 seconds and S 2 ft at 16 seconds.
.MON...N wind 15 to 20 kt. Seas 7 ft. Wave Detail: N 7 ft
at 9 seconds and S 2 ft at 15 seconds.
.MON NIGHT...N wind 10 to 15 kt. Seas 6 ft. Wave Detail: N
6 ft at 8 seconds and S 2 ft at 15 seconds.

$$

PZZ455-201615-
Coastal waters from Cape Mendocino to Pt. Arena CA out 10 nm-
900 PM PDT Wed Aug 19 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM PDT THURSDAY...

.REST OF TONIGHT...NW wind 10 to 15 kt. Seas 6 ft. Wave
Detail: NW 5 ft at 7 seconds and S 2 ft at 15 seconds. Patchy
dense fog.
.THU...NW wind 10 to 15 kt. Seas 5 ft. Wave Detail: NW
5 ft at 7 seconds and W 3 ft at 12 seconds. Patchy dense fog.
.THU NIGHT...NW wind 5 to 10 kt. Seas 5 ft. Wave Detail:
NW 4 ft at 7 seconds and W 3 ft at 10 seconds. Patchy dense fog.
.FRI...NW wind 5 to 10 kt. Seas 5 ft. Wave Detail: NW 3 ft
at 6 seconds and W 2 ft at 9 seconds.
.FRI NIGHT...N wind 5 to 10 kt. Seas 4 ft. Wave Detail: NW
3 ft at 6 seconds and W 2 ft at 9 seconds.
.SAT...NW wind 10 to 15 kt. Seas 4 ft. Wave Detail: NW
3 ft at 6 seconds and W 2 ft at 9 seconds.
.SAT NIGHT...N wind 15 to 20 kt. Seas 5 ft. Wave Detail:
NW 5 ft at 7 seconds and S 2 ft at 15 seconds.
.SUN...NW wind 15 to 20 kt. Seas 5 ft. Wave Detail: NW
5 ft at 8 seconds and S 2 ft at 15 seconds.
.SUN NIGHT...N wind 10 to 15 kt. Seas 6 ft. Wave Detail:
NW 6 ft at 8 seconds and S 2 ft at 16 seconds.
.MON...NW wind 5 to 10 kt. Seas 3 ft. Wave Detail: NW
1 foot at 9 seconds and S 2 ft at 15 seconds.
.MON NIGHT...N wind 5 to 10 kt. Seas 4 ft. Wave Detail: NW
4 ft at 8 seconds and S 2 ft at 15 seconds. Areas of fog.

$$

PZZ475-201615-
Waters from Cape Mendocino to Pt. Arena CA from 10 to 60 nm-
900 PM PDT Wed Aug 19 2026

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

.REST OF TONIGHT...NW wind 15 to 20 kt. Seas 9 ft. Wave
Detail: NW 9 ft at 8 seconds and W 3 ft at 12 seconds.
.THU...NW wind 10 to 15 kt. Seas 7 ft. Wave Detail: N 7 ft
at 7 seconds and W 3 ft at 12 seconds.
.THU NIGHT...NW wind 10 to 15 kt. Seas 6 ft. Wave Detail:
NW 5 ft at 7 seconds and W 3 ft at 11 seconds.
.FRI...NW wind 5 to 10 kt. Seas 5 ft. Wave Detail: NW 4 ft
at 6 seconds and W 3 ft at 10 seconds.
.FRI NIGHT...NW wind 5 to 10 kt. Seas 5 ft. Wave Detail:
NW 4 ft at 6 seconds and W 3 ft at 9 seconds.
.SAT...N wind 10 to 15 kt. Seas 5 ft. Wave Detail: N 4 ft
at 6 seconds and W 2 ft at 9 seconds.
.SAT NIGHT...N wind 20 to 25 kt. Seas 6 ft. Wave Detail:
NW 6 ft at 7 seconds and S 2 ft at 14 seconds.
.SUN...N wind 20 to 25 kt. Seas 7 ft. Wave Detail: N 7 ft
at 8 seconds and S 2 ft at 15 seconds.
.SUN NIGHT...N wind 20 to 25 kt. Seas 7 ft. Wave Detail:
NW 7 ft at 9 seconds and S 2 ft at 15 seconds.
.MON...N wind 15 to 20 kt. Seas 6 ft. Wave Detail: NW 6 ft
at 9 seconds and S 2 ft at 15 seconds.
.MON NIGHT...N wind 15 to 20 kt. Seas 6 ft. Wave Detail:
NW 6 ft at 8 seconds and S 2 ft at 15 seconds.

$$