Coastal Waters Forecast
Issued by NWS Eureka, CA

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29
451
FZUS56 KEKA 210935
CWFEKA

Coastal Waters Forecast for Northwest California
National Weather Service Eureka CA
235 AM PDT Fri Aug 21 2026

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

PZZ400-212215-
235 AM PDT Fri Aug 21 2026

.SYNOPSIS FOR NORTHERN CALIFORNIA WATERS...Unusually calm seas
and light to gentle breezes are expected through early Saturday.
Moderate northerly winds return to the outer waters Saturday
afternoon and increase through Sunday before diminishing early
next week again.

$$

PZZ450-212215-
Coastal waters from Pt. St. George to Cape Mendocino CA out 10 nm-
235 AM PDT Fri Aug 21 2026

.TODAY...S wind 5 kt. Seas 4 ft. Wave Detail: NW
1 foot at 4 seconds and W 3 ft at 10 seconds.
.TONIGHT...E wind 5 kt. Seas 4 ft. Wave Detail: NW
4 ft at 10 seconds and SW 1 foot at 14 seconds.
.SAT...N wind 5 kt. Seas 4 ft. Wave Detail: NW 3 ft
at 7 seconds and SW 1 foot at 13 seconds.
.SAT NIGHT...N wind 5 to 10 kt. Seas 2 ft or less. Wave
Detail: NW 2 ft at 7 seconds and SW 1 foot at 13 seconds.
.SUN...N wind 5 to 10 kt. Seas 3 ft. Wave Detail: NW 3 ft
at 9 seconds and SW 1 foot at 13 seconds.
.SUN NIGHT...N wind 5 to 10 kt. Seas 5 ft. Wave Detail: NW
5 ft at 9 seconds and SW 1 foot at 18 seconds.
.MON...SW wind 5 kt. Seas 4 ft. Wave Detail: NW
4 ft at 8 seconds and S 1 foot at 14 seconds.
.MON NIGHT...NW wind 5 kt. Seas 4 ft. Wave Detail:
NW 4 ft at 7 seconds and S 1 foot at 14 seconds.
.TUE...NW wind 5 kt. Seas 4 ft. Wave Detail: NW
3 ft at 7 seconds and SW 1 foot at 17 seconds.
.TUE NIGHT...N wind 5 kt. Seas 4 ft. Wave Detail:
NW 3 ft at 6 seconds and SW 2 ft at 16 seconds.

$$

PZZ470-212215-
Waters from Pt. St. George to Cape Mendocino CA from 10 to 60 nm-
235 AM PDT Fri Aug 21 2026

.TODAY...S wind 5 kt. Seas 4 ft. Wave Detail: NW
1 foot at 4 seconds and W 3 ft at 10 seconds.
.TONIGHT...S wind 5 kt. Seas 5 ft. Wave Detail: NW
4 ft at 10 seconds and S 2 ft at 14 seconds.
.SAT...W wind 5 kt. Seas 4 ft. Wave Detail: NW 4 ft
at 7 seconds and S 2 ft at 14 seconds.
.SAT NIGHT...N wind 5 to 10 kt. Seas 4 ft. Wave Detail: NW
3 ft at 7 seconds and S 2 ft at 14 seconds.
.SUN...N wind 15 to 20 kt. Seas 5 ft. Wave Detail: NW 5 ft
at 7 seconds and W 2 ft at 11 seconds.
.SUN NIGHT...N wind 15 to 20 kt. Seas 8 ft. Wave Detail: N
8 ft at 8 seconds and S 2 ft at 15 seconds.
.MON...N wind 10 to 15 kt. Seas 7 ft. Wave Detail: NW 7 ft
at 8 seconds and S 2 ft at 14 seconds.
.MON NIGHT...N wind 5 to 10 kt. Seas 5 ft. Wave Detail: NW
5 ft at 7 seconds and W 1 foot at 10 seconds.
.TUE...N wind 5 to 10 kt. Seas 5 ft. Wave Detail: NW 5 ft
at 7 seconds and SW 2 ft at 14 seconds.
.TUE NIGHT...N wind 5 to 10 kt. Seas 5 ft. Wave Detail: NW
5 ft at 6 seconds and S 2 ft at 14 seconds.

$$

PZZ455-212215-
Coastal waters from Cape Mendocino to Pt. Arena CA out 10 nm-
235 AM PDT Fri Aug 21 2026

.TODAY...NW wind 5 to 10 kt, easing to 5 kt this
afternoon. Seas 4 ft. Wave Detail: NW 2 ft at 4 seconds
and W 3 ft at 11 seconds.
.TONIGHT...N wind 5 kt. Seas 4 ft. Wave Detail: NW
4 ft at 10 seconds and S 2 ft at 14 seconds.
.SAT...NW wind 10 to 15 kt. Seas 3 ft. Wave Detail: NW
3 ft at 10 seconds and S 2 ft at 13 seconds.
.SAT NIGHT...N wind 15 to 20 kt. Seas 4 ft. Wave Detail:
SW 1 foot at 5 seconds and NW 4 ft at 6 seconds.
.SUN...NW wind 15 to 20 kt. Seas 5 ft. Wave Detail: NW
5 ft at 7 seconds and W 4 ft at 9 seconds.
.SUN NIGHT...NW wind 10 to 15 kt. Seas 6 ft. Wave Detail:
NW 5 ft at 9 seconds and S 2 ft at 15 seconds. Patchy fog.
.MON...W wind 5 kt. Seas 3 ft. Wave Detail: NW
1 foot at 8 seconds and S 2 ft at 14 seconds.
.MON NIGHT...NW wind 5 kt. Seas 4 ft. Wave Detail:
NW 4 ft at 8 seconds and S 2 ft at 14 seconds. Patchy fog.
.TUE...NW wind 5 to 10 kt. Seas 4 ft. Wave Detail: NW 3 ft
at 7 seconds and SW 2 ft at 14 seconds.
.TUE NIGHT...N wind 10 to 15 kt. Seas 4 ft. Wave Detail: W
4 ft at 6 seconds and S 2 ft at 13 seconds.

$$

PZZ475-212215-
Waters from Cape Mendocino to Pt. Arena CA from 10 to 60 nm-
235 AM PDT Fri Aug 21 2026

.TODAY...NW wind 5 to 10 kt, becoming SW this afternoon. Seas
around 5 ft. Wave Detail: N 3 ft at 4 seconds and W 3 ft at
10 seconds.
.TONIGHT...NW wind 5 to 10 kt. Seas 5 ft. Wave Detail: NW
4 ft at 10 seconds and S 2 ft at 14 seconds.
.SAT...NW wind 10 to 15 kt. Seas 5 ft. Wave Detail: NW
4 ft at 8 seconds and S 2 ft at 13 seconds.
.SAT NIGHT...N wind 15 to 20 kt. Seas 5 ft. Wave Detail: N
5 ft at 6 seconds and S 2 ft at 14 seconds.
.SUN...N wind 20 to 25 kt. Seas 7 ft. Wave Detail: N 7 ft
at 7 seconds and S 2 ft at 15 seconds.
.SUN 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.
.MON...NW wind 10 to 15 kt. Seas 7 ft. Wave Detail: NW
7 ft at 8 seconds and S 2 ft at 14 seconds.
.MON NIGHT...N wind 10 to 15 kt. Seas 6 ft. Wave Detail: W
2 ft at 7 seconds and NW 6 ft at 8 seconds.
.TUE...N wind 10 to 15 kt. Seas 6 ft. Wave Detail: NW 5 ft
at 7 seconds and SW 2 ft at 14 seconds.
.TUE NIGHT...N wind 15 to 20 kt. Seas 6 ft. Wave Detail:
NW 6 ft at 6 seconds and S 2 ft at 13 seconds.

$$