517
FZUS56 KEKA 312155
CWFEKA

Coastal Waters Forecast for Northwest California
National Weather Service Eureka CA
255 PM PDT Sun Aug 31 2025

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

PZZ400-011015-
255 PM PDT Sun Aug 31 2025

.SYNOPSIS FOR NORTHERN CALIFORNIA WATERS....Northerly winds and
wind waves continue to gradually build. Winds are strongest in
the lee of Cape Mendocino with strong breezes to near gale force
gusts. Winds begin to increase later today into Monday in the
northern waters, where fresh to strong breezes are expected by
Monday afternoon. Steep seas are forecast to propagate into the
nearshore waters south of Cape Mendocino and remain steep through
Monday. Conditions remain mild nearshore North of Cape Mendocino.

$$

PZZ450-011015-
Pt St George to Cape Mendocino out 10 nm-
255 PM PDT Sun Aug 31 2025

.TONIGHT...N wind 5 to 10 kt. Seas 4 ft. Wave Detail: N
3 ft at 5 seconds and W 2 ft at 11 seconds. Patchy dense fog
after midnight.
.MON...NW wind 10 to 15 kt. Seas 4 ft. Wave Detail: N 4 ft
at 5 seconds and W 2 ft at 10 seconds.
.MON NIGHT...N wind 5 to 10 kt. Seas 4 ft. Wave Detail: N
4 ft at 5 seconds and W 2 ft at 9 seconds.
.TUE...NW wind 5 to 10 kt. Seas 4 ft. Wave Detail: N 4 ft
at 6 seconds and W 2 ft at 10 seconds.
.TUE NIGHT...N wind 5 to 10 kt. Seas 4 ft. Wave Detail: N
3 ft at 5 seconds and W 2 ft at 9 seconds.
.WED...NW wind 5 to 10 kt. Seas 3 ft. Wave Detail: NW 3 ft
at 5 seconds and S 1 foot at 14 seconds.
.WED NIGHT...N wind 5 to 10 kt. Seas 5 ft. Wave Detail: N
4 ft at 5 seconds and NW 2 ft at 14 seconds.
.THU...N wind 5 to 10 kt. Seas 4 ft. Wave Detail: NW 3 ft
at 7 seconds and NW 3 ft at 13 seconds.
.THU NIGHT...N wind 5 to 10 kt. Seas 4 ft. Wave Detail: NW
3 ft at 5 seconds and NW 3 ft at 12 seconds.
.FRI...NW wind 5 kt. Seas 3 ft. Wave Detail: NW
2 ft at 7 seconds and W 2 ft at 12 seconds.
.FRI NIGHT...N wind 5 kt. Seas 3 ft. Wave Detail:
NW 2 ft at 6 seconds.

$$

PZZ470-011015-
Pt St George to Cape Mendocino 10 to 60 nm-
255 PM PDT Sun Aug 31 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY EVENING THROUGH
TUESDAY AFTERNOON...

.TONIGHT...N wind 10 to 15 kt, rising to 15 to 20 kt after
midnight. Seas 5 ft. Wave Detail: N 4 ft at 5 seconds and
W 2 ft at 11 seconds.
.MON...N wind 15 to 20 kt. Seas 6 ft. Wave Detail: N 5 ft
at 5 seconds and W 2 ft at 10 seconds.
.MON NIGHT...N wind 15 to 20 kt. Seas 6 ft. Wave Detail: N
5 ft at 5 seconds and W 2 ft at 9 seconds.
.TUE...N wind 15 to 20 kt. Seas 6 ft. Wave Detail: N 6 ft
at 6 seconds and W 2 ft at 10 seconds.
.TUE NIGHT...N wind 10 to 15 kt. Seas 6 ft. Wave Detail: N
5 ft at 5 seconds and W 2 ft at 9 seconds.
.WED...N wind 10 to 15 kt. Seas 6 ft. Wave Detail: N 5 ft
at 5 seconds and NW 2 ft at 15 seconds.
.WED NIGHT...N wind 15 to 20 kt. Seas 6 ft. Wave Detail: N
6 ft at 6 seconds and NW 2 ft at 14 seconds.
.THU...N wind 15 to 20 kt. Seas 6 ft. Wave Detail: N 6 ft
at 6 seconds and NW 2 ft at 13 seconds.
.THU NIGHT...N wind 10 to 15 kt. Seas 6 ft. Wave Detail: N
5 ft at 5 seconds and NW 2 ft at 12 seconds.
.FRI...N wind 10 to 15 kt. Seas 5 ft. Wave Detail: N 5 ft
at 5 seconds and NW 2 ft at 12 seconds.
.FRI NIGHT...N wind 10 kt. Seas 5 ft. Wave Detail:
N 5 ft at 5 seconds and S 2 ft at 15 seconds.

$$

PZZ455-011015-
Cape Mendocino to Pt Arena out 10 nm-
255 PM PDT Sun Aug 31 2025

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

.TONIGHT...NW wind 15 to 20 kt. Seas 6 ft. Wave Detail: NW
5 ft at 5 seconds and NW 2 ft at 11 seconds.
.MON...NW wind 20 to 25 kt with gusts up to 35 kt. Seas
6 ft. Wave Detail: N 6 ft at 6 seconds and W 2 ft at 10 seconds.
.MON NIGHT...NW wind 15 to 20 kt with gusts up to 35 kt. Seas
around 6 ft. Wave Detail: N 6 ft at 6 seconds and W 2 ft at
9 seconds.
.TUE...NW wind 15 to 20 kt. Seas 6 ft. Wave Detail: N 6 ft
at 6 seconds and W 2 ft at 10 seconds.
.TUE NIGHT...N wind 15 to 20 kt. Seas 6 ft. Wave Detail: N
5 ft at 6 seconds and W 2 ft at 9 seconds.
.WED...NW wind 10 to 15 kt. Seas 5 ft. Wave Detail: N 5 ft
at 5 seconds and S 2 ft at 16 seconds. Patchy dense fog.
.WED NIGHT...N wind 10 to 15 kt. Seas 6 ft. Wave Detail: N
5 ft at 6 seconds and NW 2 ft at 15 seconds.
.THU...NW wind 10 to 15 kt. Seas 5 ft. Wave Detail: N 5 ft
at 5 seconds and NW 2 ft at 13 seconds.
.THU NIGHT...NW wind 10 to 15 kt. Seas 5 ft. Wave Detail:
N 5 ft at 5 seconds and NW 2 ft at 12 seconds.
.FRI...NW wind 5 to 10 kt. Seas 5 ft. Wave Detail: N 4 ft
at 5 seconds and NW 2 ft at 12 seconds.
.FRI NIGHT...NW wind 5 to 10 kt. Seas 4 ft. Wave Detail: N
4 ft at 5 seconds and NW 2 ft at 11 seconds.

$$

PZZ475-011015-
Cape Mendocino to Pt Arena 10 to 60 nm-
255 PM PDT Sun Aug 31 2025

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

.TONIGHT...NW wind 15 to 20 kt, becoming N 20 to 25 kt after
midnight. Seas 6 ft. Wave Detail: N 6 ft at 5 seconds and
W 2 ft at 11 seconds.
.MON...N wind 20 to 25 kt. Seas 7 ft. Wave Detail: N 6 ft
at 6 seconds and W 2 ft at 10 seconds.
.MON NIGHT...N wind 20 to 25 kt with gusts up to 35 kt. Seas
around 8 ft. Wave Detail: N 7 ft at 7 seconds and W 2 ft at
9 seconds.
.TUE...NW wind 20 to 25 kt. Seas 8 ft. Wave Detail: N 7 ft
at 7 seconds and W 2 ft at 10 seconds.
.TUE NIGHT...N wind 15 to 20 kt. Seas 7 ft. Wave Detail: N
7 ft at 6 seconds and W 2 ft at 9 seconds.
.WED...N wind 15 to 20 kt. Seas 7 ft. Wave Detail: N 7 ft
at 6 seconds and NW 2 ft at 15 seconds.
.WED NIGHT...N wind 15 to 20 kt. Seas 8 ft. Wave Detail: N
7 ft at 6 seconds and NW 2 ft at 15 seconds.
.THU...N wind 15 to 20 kt. Seas 7 ft. Wave Detail: N 7 ft
at 6 seconds and NW 2 ft at 13 seconds.
.THU NIGHT...N wind 15 to 20 kt. Seas 7 ft. Wave Detail: N
6 ft at 6 seconds and NW 2 ft at 12 seconds.
.FRI...N wind 15 to 20 kt. Seas 6 ft. Wave Detail: N 6 ft
at 5 seconds and NW 2 ft at 12 seconds.
.FRI NIGHT...N wind 10 to 15 kt. Seas 5 ft. Wave Detail: N
5 ft at 5 seconds and NW 2 ft at 11 seconds.

$$