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FZUS56 KEKA 200935
CWFEKA

Coastal Waters Forecast for Northwest California
National Weather Service Eureka CA
235 AM PDT Thu Aug 20 2026

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

PZZ400-202215-
235 AM PDT Thu Aug 20 2026

.SYNOPSIS FOR NORTHERN CALIFORNIA WATERS...Northerly winds and
seas are expected to continue to diminish 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.

$$

PZZ450-202215-
Coastal waters from Pt. St. George to Cape Mendocino CA out 10 nm-
235 AM PDT Thu Aug 20 2026

.TODAY...NW wind 5 kt. Seas 4 ft. Wave Detail: NW
4 ft at 7 seconds and SW 1 foot at 15 seconds. Patchy dense fog
this morning.
.TONIGHT...N wind 5 kt. Seas 4 ft. Wave Detail: NW
3 ft at 7 seconds and SW 1 foot at 15 seconds. Patchy dense fog.
.FRI...W wind 5 kt. Seas 4 ft. Wave Detail: NW 3 ft
at 7 seconds and SW 1 foot at 14 seconds. Patchy dense fog.
.FRI NIGHT...NE wind 5 kt. Seas 4 ft. Wave Detail:
NW 3 ft at 8 seconds and SW 1 foot at 14 seconds.
.SAT...N wind 5 kt. Seas 3 ft. Wave Detail: NW 3 ft
at 8 seconds and SW 1 foot at 14 seconds.
.SAT NIGHT...N wind 5 to 10 kt. Seas 4 ft. Wave Detail: NW
3 ft at 8 seconds and SW 1 foot at 15 seconds.
.SUN...N wind 10 to 15 kt. Seas 4 ft. Wave Detail: NW 4 ft
at 7 seconds and W 3 ft at 10 seconds.
.SUN NIGHT...N wind 5 to 10 kt. Seas 6 ft. Wave Detail: NW
6 ft at 8 seconds and W 3 ft at 8 seconds.
.MON...NW wind 5 kt. Seas 5 ft. Wave Detail: NW
5 ft at 8 seconds and SW 1 foot at 17 seconds.
.MON NIGHT...N wind 5 kt. Seas 5 ft. Wave Detail:
NW 5 ft at 8 seconds and SW 1 foot at 17 seconds.

$$

PZZ470-202215-
Waters from Pt. St. George to Cape Mendocino CA from 10 to 60 nm-
235 AM PDT Thu Aug 20 2026

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

$$

PZZ455-202215-
Coastal waters from Cape Mendocino to Pt. Arena CA out 10 nm-
235 AM PDT Thu Aug 20 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 AM PDT EARLY THIS
MORNING...

.TODAY...NW wind 10 to 15 kt. Seas 6 ft. Wave Detail: NW
4 ft at 7 seconds and S 2 ft at 15 seconds. Patchy dense fog this
morning.
.TONIGHT...NW wind 5 to 10 kt. Seas 6 ft. Wave Detail: NW
5 ft at 6 seconds and S 2 ft at 15 seconds.
.FRI...NW wind 5 to 10 kt. Seas 4 ft. Wave Detail: NW 3 ft
at 6 seconds and S 2 ft at 14 seconds. Patchy dense fog.
.FRI NIGHT...N wind 5 to 10 kt. Seas 4 ft. Wave Detail: NW
3 ft at 5 seconds and S 2 ft at 14 seconds.
.SAT...NW wind 10 to 15 kt. Seas 4 ft. Wave Detail: NW
4 ft at 6 seconds and S 2 ft at 14 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 6 ft. Wave Detail: NW
5 ft at 7 seconds and W 6 ft at 8 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 6 ft. Wave Detail: NW 6 ft
at 9 seconds and S 2 ft at 16 seconds.
.MON NIGHT...N wind 5 to 10 kt. Seas 5 ft. Wave Detail: NW
5 ft at 8 seconds and S 2 ft at 16 seconds. Areas of fog.

$$

PZZ475-202215-
Waters from Cape Mendocino to Pt. Arena CA from 10 to 60 nm-
235 AM PDT Thu Aug 20 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON PDT TODAY...

.TODAY...NW wind 15 to 20 kt, easing to 10 to 15 kt this
afternoon. Seas 8 ft. Wave Detail: NW 8 ft at 7 seconds
and S 2 ft at 15 seconds.
.TONIGHT...NW wind 10 to 15 kt. Seas 7 ft. Wave Detail: NW
6 ft at 6 seconds and S 2 ft at 15 seconds.
.FRI...NW wind 5 to 10 kt. Seas 5 ft. Wave Detail: NW 5 ft
at 6 seconds and S 2 ft at 14 seconds.
.FRI NIGHT...NW wind 5 to 10 kt. Seas 5 ft. Wave Detail:
NW 4 ft at 7 seconds and S 2 ft at 14 seconds.
.SAT...N wind 10 to 15 kt. Seas 5 ft. Wave Detail: NW 4 ft
at 7 seconds and S 2 ft at 14 seconds.
.SAT NIGHT...N wind 20 to 25 kt. Seas 7 ft. Wave Detail: N
7 ft at 7 seconds and S 2 ft at 14 seconds.
.SUN...N wind 20 to 25 kt. Seas 9 ft. Wave Detail: N 9 ft
at 7 seconds and W 2 ft at 10 seconds.
.SUN NIGHT...N wind 20 to 25 kt. Seas 9 ft. Wave Detail:
NW 9 ft at 9 seconds and S 2 ft at 15 seconds.
.MON...N wind 15 to 20 kt. Seas 8 ft. Wave Detail: NW 8 ft
at 9 seconds and S 2 ft at 15 seconds.
.MON NIGHT...N wind 15 to 20 kt. Seas 7 ft. Wave Detail:
NW 7 ft at 8 seconds and S 2 ft at 15 seconds.

$$