302
FZUS56 KEKA 180930
CWFEKA

Coastal Waters Forecast for Northwest California
National Weather Service Eureka CA
230 AM PDT Mon Aug 18 2025

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

PZZ400-182215-
230 AM PDT Mon Aug 18 2025

.SYNOPSIS FOR NORTHERN CALIFORNIA WATERS....Light to moderate
northerly breezes will continue across the coastal waters, with
isolated gusty winds around 20 to 25 knots in the lee of Cape
Mendocino each afternoon. A NW swell around 4 to 6 feet at around
10 seconds will persist through today, before slowly subsiding
through mid week. Relatively calm conditions with lighter winds
and low seas is expected today and Tuesday, before fresh to
strong winds and steep seas develop mid to late in the week.

$$

PZZ450-182215-
Pt St George to Cape Mendocino out 10 nm-
230 AM PDT Mon Aug 18 2025

.TODAY...N wind 5 kt, backing to NW 5 kt this
afternoon. Seas 5 ft. Wave Detail: NW 5 ft at 10 seconds.
Patchy dense fog this morning.
.TONIGHT...N wind 5 to 10 kt. Seas 4 ft. Wave Detail: NW
4 ft at 9 seconds. Patchy dense fog.
.TUE...N wind 5 kt. Seas 4 ft. Wave Detail: NW 4 ft
at 10 seconds.
.TUE NIGHT...N wind 5 to 10 kt. Seas 4 ft. Wave Detail: N
2 ft at 4 seconds and NW 4 ft at 9 seconds.
.WED...N wind 5 to 10 kt. Seas 4 ft. Wave Detail: N 2 ft
at 5 seconds and NW 3 ft at 9 seconds.
.WED NIGHT...N wind 5 to 10 kt. Seas 4 ft. Wave Detail: N
4 ft at 5 seconds and NW 3 ft at 9 seconds.
.THU...N wind 5 to 10 kt. Seas 4 ft. Wave Detail: NW 4 ft
at 7 seconds and SW 1 foot at 15 seconds.
.THU NIGHT...N wind 5 to 10 kt. Seas 3 ft. Wave Detail: NW
3 ft at 7 seconds.
.FRI...N wind 5 to 10 kt. Seas 5 ft. Wave Detail: NW 5 ft
at 7 seconds.
.FRI NIGHT...N wind 5 to 10 kt. Seas 5 ft. Wave Detail: NW
4 ft at 7 seconds.

$$

PZZ470-182215-
Pt St George to Cape Mendocino 10 to 60 nm-
230 AM PDT Mon Aug 18 2025

.TODAY...E wind 5 kt, veering to SW this afternoon. Seas
around 5 ft. Wave Detail: NW 5 ft at 9 seconds. Patchy dense fog.
.TONIGHT...N wind 5 kt. Seas 4 ft. Wave Detail: NW
4 ft at 9 seconds. Patchy dense fog.
.TUE...N wind 5 kt. Seas 4 ft. Wave Detail: NW 4 ft
at 10 seconds.
.TUE NIGHT...N wind 10 to 15 kt. Seas 5 ft. Wave Detail: N
3 ft at 4 seconds and NW 4 ft at 9 seconds.
.WED...N wind 10 to 15 kt. Seas 5 ft. Wave Detail: N 4 ft
at 5 seconds and NW 3 ft at 9 seconds.
.WED NIGHT...N wind 15 to 20 kt. Seas 6 ft. Wave Detail: N
6 ft at 6 seconds and NW 3 ft at 9 seconds.
.THU...N wind 20 to 25 kt. Seas 6 ft. Wave Detail: N 6 ft
at 7 seconds and SW 2 ft at 15 seconds.
.THU NIGHT...N wind 20 to 25 kt. Seas 7 ft. Wave Detail: N
7 ft at 7 seconds and SW 2 ft at 15 seconds.
.FRI...N wind 15 to 20 kt. Seas 8 ft. Wave Detail: N 8 ft
at 7 seconds and S 2 ft at 14 seconds.
.FRI NIGHT...N wind 15 to 20 kt. Seas 7 ft. Wave Detail: N
7 ft at 7 seconds and S 2 ft at 14 seconds.

$$

PZZ455-182215-
Cape Mendocino to Pt Arena out 10 nm-
230 AM PDT Mon Aug 18 2025

.TODAY...NW wind 5 to 10 kt. Seas 5 ft. Wave Detail: NW
3 ft at 4 seconds and NW 4 ft at 10 seconds. Patchy dense fog.
.TONIGHT...NW wind 10 to 15 kt. Seas 5 ft. Wave Detail: NW
3 ft at 4 seconds and NW 4 ft at 9 seconds.
.TUE...NW wind 10 to 15 kt. Seas 5 ft. Wave Detail: NW
3 ft at 4 seconds and NW 3 ft at 10 seconds.
.TUE NIGHT...N wind 10 to 15 kt. Seas 5 ft. Wave Detail:
NW 4 ft at 5 seconds and NW 3 ft at 10 seconds.
.WED...NW wind 15 to 20 kt. Seas 6 ft. Wave Detail: N 5 ft
at 5 seconds and NW 3 ft at 9 seconds.
.WED NIGHT...N wind 15 to 20 kt. Seas 6 ft. Wave Detail: N
5 ft at 5 seconds and NW 3 ft at 9 seconds.
.THU...NW wind 15 to 20 kt. Seas 5 ft. Wave Detail: N 5 ft
at 6 seconds and SW 2 ft at 15 seconds.
.THU NIGHT...NW wind 15 to 20 kt. Seas 5 ft. Wave Detail:
N 5 ft at 7 seconds and SW 2 ft at 15 seconds.
.FRI...NW wind 10 to 15 kt. Seas 6 ft. Wave Detail: N 5 ft
at 7 seconds and SW 2 ft at 14 seconds.
.FRI NIGHT...N wind 15 to 20 kt. Seas 5 ft. Wave Detail: N
5 ft at 7 seconds and SW 2 ft at 14 seconds.

$$

PZZ475-182215-
Cape Mendocino to Pt Arena 10 to 60 nm-
230 AM PDT Mon Aug 18 2025

.TODAY...NW wind 5 to 10 kt. Seas 5 ft. Wave Detail: NW
3 ft at 4 seconds and NW 5 ft at 10 seconds.
.TONIGHT...NW wind 10 to 15 kt. Seas 5 ft. Wave Detail: NW
3 ft at 4 seconds and NW 4 ft at 9 seconds.
.TUE...NW wind 10 to 15 kt. Seas 5 ft. Wave Detail: N 4 ft
at 5 seconds and NW 4 ft at 10 seconds.
.TUE NIGHT...N wind 15 to 20 kt. Seas 6 ft. Wave Detail: N
5 ft at 5 seconds and NW 4 ft at 10 seconds.
.WED...N wind 15 to 20 kt. Seas 6 ft. Wave Detail: N 6 ft
at 5 seconds and NW 3 ft at 9 seconds.
.WED NIGHT...N wind 20 to 25 kt. Seas 7 ft. Wave Detail: N
6 ft at 6 seconds and NW 3 ft at 9 seconds.
.THU...N wind 20 to 25 kt. Seas 7 ft. Wave Detail: N 7 ft
at 7 seconds and SW 2 ft at 15 seconds.
.THU NIGHT...NW wind 20 to 25 kt. Seas 8 ft. Wave Detail:
N 8 ft at 7 seconds and SW 2 ft at 15 seconds.
.FRI...N wind 20 to 25 kt. Seas 8 ft. Wave Detail: N 8 ft
at 7 seconds and SW 2 ft at 14 seconds.
.FRI NIGHT...N wind 20 to 25 kt. Seas 8 ft. Wave Detail: N
8 ft at 7 seconds and S 2 ft at 14 seconds.

$$