364
FZUS56 KEKA 171539
CWFEKA

Coastal Waters Forecast for Northwest California
National Weather Service Eureka CA
839 AM PDT Mon Aug 17 2026

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

PZZ400-180415-
839 AM PDT Mon Aug 17 2026

.SYNOPSIS FOR NORTHERN CALIFORNIA WATERS...Fresh to strong
northerly breezes are forecast for the outer waters this morning
diminishing slightly this afternoon, while nearshore areas
continue to see lighter winds. Localized areas nearshore could
see southerly breezes up to 15 kts in the evenings and overnight.
Northerly winds increase again Tuesday. A small long period south
swell up to 3 feet will persist through early in the week. Winds
are expected to diminish again late in the week.

$$

PZZ450-180415-
Coastal waters from Pt. St. George to Cape Mendocino CA out 10 nm-
839 AM PDT Mon Aug 17 2026

.REST OF TODAY...NW wind 5 to 10 kt. Seas 5 ft. Wave
Detail: NW 5 ft at 8 seconds and SW 2 ft at 15 seconds. Patchy
dense fog.
.TONIGHT...NW wind 5 to 10 kt. Seas 5 ft. Wave Detail: NW
5 ft at 8 seconds and SW 2 ft at 15 seconds. Patchy dense fog.
.TUE...NW wind 10 to 15 kt. Seas 4 ft. Wave Detail: NW
4 ft at 7 seconds and SW 2 ft at 14 seconds. Patchy dense fog.
.TUE NIGHT...NW wind 5 to 10 kt. Seas 5 ft. Wave Detail:
NW 5 ft at 8 seconds and W 2 ft at 14 seconds.
.WED...NW wind 5 to 10 kt. Seas 5 ft. Wave Detail: NW 5 ft
at 8 seconds and W 3 ft at 13 seconds.
.WED NIGHT...N wind 5 to 10 kt. Seas 5 ft. Wave Detail: NW
4 ft at 7 seconds and W 3 ft at 12 seconds.
.THU...NW wind 5 kt. Seas 4 ft. Wave Detail: NW
4 ft at 9 seconds and SW 3 ft at 15 seconds.
.THU NIGHT...N wind 5 kt. Seas 3 ft. Wave Detail:
NW 3 ft at 9 seconds and SW 1 foot at 15 seconds.
.FRI...NW wind 5 kt. Seas 3 ft. Wave Detail: NW
3 ft at 9 seconds and SW 1 foot at 14 seconds.
.FRI NIGHT...N wind 5 kt. Seas 3 ft. Wave Detail:
NW 3 ft at 9 seconds and SW 1 foot at 14 seconds.

$$

PZZ470-180415-
Waters from Pt. St. George to Cape Mendocino CA from 10 to 60 nm-
839 AM PDT Mon Aug 17 2026

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

.REST OF TODAY...N wind 20 to 25 kt, easing to 15 to 20 kt this
afternoon. Seas 7 ft. Wave Detail: N 7 ft at 8 seconds and
S 3 ft at 15 seconds.
.TONIGHT...N wind 15 to 20 kt. Seas 7 ft. Wave Detail: N
7 ft at 8 seconds and S 3 ft at 15 seconds.
.TUE...N wind 15 to 20 kt. Seas 6 ft. Wave Detail: NW 6 ft
at 7 seconds and S 3 ft at 14 seconds.
.TUE NIGHT...N wind 20 to 25 kt. Seas 8 ft. Wave Detail: N
8 ft at 8 seconds and SW 3 ft at 14 seconds.
.WED...N wind 15 to 20 kt. Seas 8 ft. Wave Detail: N 8 ft
at 8 seconds and W 4 ft at 13 seconds.
.WED NIGHT...N wind 10 to 15 kt. Seas 6 ft. Wave Detail:
NW 6 ft at 7 seconds and W 4 ft at 13 seconds.
.THU...N wind 10 to 15 kt. Seas 5 ft. Wave Detail: NW 5 ft
at 8 seconds and SW 2 ft at 15 seconds.
.THU NIGHT...N wind 5 to 10 kt. Seas 4 ft. Wave Detail: NW
4 ft at 9 seconds and S 2 ft at 15 seconds.
.FRI...NW wind 5 kt. Seas 4 ft. Wave Detail: NW
3 ft at 9 seconds and S 2 ft at 14 seconds.
.FRI NIGHT...N wind 5 to 10 kt. Seas 4 ft. Wave Detail: NW
3 ft at 8 seconds and S 2 ft at 14 seconds.

$$

PZZ455-180415-
Coastal waters from Cape Mendocino to Pt. Arena CA out 10 nm-
839 AM PDT Mon Aug 17 2026

.REST OF TODAY...W wind 5 to 10 kt, becoming NW 10 to 15 kt this
afternoon. Seas 6 ft. Wave Detail: NW 5 ft at 8 seconds
and S 3 ft at 15 seconds. Patchy dense fog.
.TONIGHT...NW wind 15 to 20 kt. Seas 6 ft. Wave Detail: NW
6 ft at 8 seconds and SW 2 ft at 14 seconds. Patchy dense fog.
.TUE...NW wind 20 to 25 kt with gusts up to 35 kt. Seas
5 ft. Wave Detail: NW 5 ft at 8 seconds and SW 2 ft at
14 seconds. Patchy dense fog.
.TUE NIGHT...NW wind 15 to 20 kt. Seas 6 ft. Wave Detail:
NW 6 ft at 8 seconds and SW 3 ft at 14 seconds.
.WED...NW wind 15 to 20 kt. Seas 6 ft. Wave Detail: NW
6 ft at 8 seconds and W 3 ft at 14 seconds.
.WED NIGHT...NW wind 15 to 20 kt. Seas 6 ft. Wave Detail:
NW 6 ft at 8 seconds and W 3 ft at 14 seconds.
.THU...NW wind 10 to 15 kt. Seas 5 ft. Wave Detail: NW
5 ft at 8 seconds and SW 3 ft at 15 seconds.
.THU NIGHT...NW wind 10 to 15 kt. Seas 4 ft. Wave Detail:
NW 4 ft at 8 seconds and S 2 ft at 15 seconds.
.FRI...NW wind 10 to 15 kt. Seas 4 ft. Wave Detail: NW
4 ft at 7 seconds and S 2 ft at 14 seconds.
.FRI NIGHT...N wind 10 to 15 kt. Seas 4 ft. Wave Detail:
NW 4 ft at 7 seconds and S 2 ft at 14 seconds.

$$

PZZ475-180415-
Waters from Cape Mendocino to Pt. Arena CA from 10 to 60 nm-
839 AM PDT Mon Aug 17 2026

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

.REST OF TODAY...N wind 15 to 20 kt. Seas 8 ft. Wave
Detail: N 7 ft at 8 seconds and S 3 ft at 15 seconds.
.TONIGHT...N wind 20 to 25 kt. Seas 8 ft. Wave Detail: N
7 ft at 8 seconds and S 3 ft at 14 seconds.
.TUE...N wind 20 to 25 kt with gusts up to 35 kt. Seas
7 ft. Wave Detail: N 7 ft at 8 seconds and S 2 ft at 14 seconds.
.TUE NIGHT...N wind 20 to 25 kt. Seas 8 ft. Wave Detail: N
8 ft at 8 seconds and SW 3 ft at 14 seconds.
.WED...N wind 20 to 25 kt. Seas 8 ft. Wave Detail: N 8 ft
at 8 seconds and W 3 ft at 13 seconds.
.WED NIGHT...N wind 20 to 25 kt. Seas 8 ft. Wave Detail: N
8 ft at 8 seconds and W 4 ft at 13 seconds.
.THU...N wind 15 to 20 kt. Seas 7 ft. Wave Detail: N 6 ft
at 8 seconds and SW 4 ft at 15 seconds.
.THU NIGHT...NW wind 10 to 15 kt. Seas 5 ft. Wave Detail:
NW 5 ft at 8 seconds and S 2 ft at 15 seconds.
.FRI...NW wind 10 to 15 kt. Seas 5 ft. Wave Detail: NW
5 ft at 8 seconds and S 2 ft at 14 seconds.
.FRI NIGHT...N wind 15 to 20 kt. Seas 5 ft. Wave Detail:
NW 5 ft at 7 seconds and S 2 ft at 14 seconds.

$$