234
FZUS56 KEKA 201057
CWFEKA

Coastal Waters Forecast for Northwest California
National Weather Service Eureka CA
257 AM PST Thu Nov 20 2025

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

PZZ400-202315-
257 AM PST Thu Nov 20 2025

.SYNOPSIS FOR NORTHERN CALIFORNIA WATERS...Winds will continue to
diminish early Thursday morning and gradually turn northerly
throughout the day. Northerly winds will generally increase
through the end of the week and into the weekend. A large
westerly swell will build on Thursday, resulting in hazardous
seas Thursday night through Friday. Another large and long period
swell will build over the weekend.

$$

PZZ450-202315-
Pt St George to Cape Mendocino out 10 nm-
257 AM PST Thu Nov 20 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM PST THIS MORNING
THROUGH THIS AFTERNOON...
...HAZARDOUS SEAS WATCH IN EFFECT FROM THIS AFTERNOON THROUGH
FRIDAY MORNING...

.TODAY...SE wind 5 kt, backing to NW this afternoon. Seas
around 8 ft. Wave Detail: W 8 ft at 14 seconds. Rain likely.
.TONIGHT...N wind 10 to 15 kt. Seas 14 ft. Wave Detail: W
14 ft at 14 seconds.
.FRI...N wind 10 to 15 kt. Seas 12 ft. Wave Detail: NW
12 ft at 14 seconds.
.FRI NIGHT...N wind 10 to 15 kt. Seas 10 ft. Wave Detail:
NW 10 ft at 13 seconds.
.SAT...N wind 5 to 10 kt. Seas 12 ft. Wave Detail: NW
12 ft at 17 seconds.
.SAT NIGHT...N wind 5 to 10 kt. Seas 12 ft. Wave Detail:
NW 12 ft at 16 seconds.
.SUN...N wind 5 to 10 kt. Seas 10 ft. Wave Detail: NW
10 ft at 15 seconds.
.SUN NIGHT...NE wind 5 kt. Seas 10 ft. Wave Detail:
NW 10 ft at 15 seconds.
.MON...N wind 10 to 15 kt. Seas 9 ft. Wave Detail: NW 9 ft
at 15 seconds.
.MON NIGHT...N wind 10 to 15 kt. Seas 8 ft. Wave Detail:
NW 2 ft at 7 seconds and NW 8 ft at 14 seconds.

$$

PZZ470-202315-
Pt St George to Cape Mendocino 10 to 60 nm-
257 AM PST Thu Nov 20 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM PST THIS MORNING
THROUGH THIS AFTERNOON...
...HAZARDOUS SEAS WATCH IN EFFECT FROM THIS AFTERNOON THROUGH
FRIDAY MORNING...

.TODAY...NW wind 10 to 15 kt. Seas 11 ft. Wave Detail: W
11 ft at 14 seconds. Rain likely.
.TONIGHT...N wind 15 to 20 kt. Seas 16 ft. Wave Detail: W
16 ft at 14 seconds.
.FRI...N wind 20 to 25 kt. Seas 13 ft. Wave Detail: NW
13 ft at 14 seconds.
.FRI NIGHT...N wind 15 to 20 kt. Seas 12 ft. Wave Detail:
NW 12 ft at 14 seconds.
.SAT...N wind 15 to 20 kt. Seas 13 ft. Wave Detail: NW
13 ft at 17 seconds.
.SAT NIGHT...N wind 15 to 20 kt. Seas 13 ft. Wave Detail:
NW 13 ft at 16 seconds.
.SUN...NW wind 10 to 15 kt. Seas 11 ft. Wave Detail: NW
11 ft at 15 seconds.
.SUN NIGHT...NW wind 5 to 10 kt. Seas 10 ft. Wave Detail:
NW 10 ft at 15 seconds.
.MON...N wind 15 to 20 kt. Seas 10 ft. Wave Detail: S 2 ft
at 14 seconds and NW 10 ft at 15 seconds.
.MON NIGHT...N wind 20 to 25 kt. Seas 10 ft. Wave Detail:
N 7 ft at 7 seconds and NW 9 ft at 14 seconds.

$$

PZZ455-202315-
Cape Mendocino to Pt Arena out 10 nm-
257 AM PST Thu Nov 20 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM PST THIS MORNING
THROUGH THIS AFTERNOON...
...HAZARDOUS SEAS WATCH IN EFFECT FROM THIS AFTERNOON THROUGH
FRIDAY MORNING...

.TODAY...N wind 5 to 10 kt, becoming NW 10 to 15 kt this
afternoon. Seas 8 ft. Wave Detail: W 8 ft at 12 seconds
and W 6 ft at 15 seconds. A chance of rain.
.TONIGHT...N wind 15 to 20 kt. Seas 14 ft. Wave Detail: NW
14 ft at 14 seconds.
.FRI...N wind 15 to 20 kt. Seas 13 ft. Wave Detail: NW
13 ft at 15 seconds.
.FRI NIGHT...N wind 10 to 15 kt. Seas 11 ft. Wave Detail:
NW 11 ft at 14 seconds.
.SAT...N wind 10 to 15 kt. Seas 12 ft. Wave Detail: NW
12 ft at 17 seconds.
.SAT NIGHT...N wind 15 to 20 kt. Seas 13 ft. Wave Detail:
NW 13 ft at 16 seconds.
.SUN...N wind 10 to 15 kt. Seas 11 ft. Wave Detail: NW
11 ft at 15 seconds.
.SUN NIGHT...N wind 5 to 10 kt. Seas 10 ft. Wave Detail:
NW 10 ft at 15 seconds.
.MON...N wind 10 to 15 kt. Seas 9 ft. Wave Detail: NW 9 ft
at 15 seconds.
.MON NIGHT...N wind 15 to 20 kt. Seas 10 ft. Wave Detail:
NW 7 ft at 8 seconds and NW 9 ft at 14 seconds.

$$

PZZ475-202315-
Cape Mendocino to Pt Arena 10 to 60 nm-
257 AM PST Thu Nov 20 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 9 AM PST THIS MORNING
THROUGH THIS AFTERNOON...
...HAZARDOUS SEAS WATCH IN EFFECT FROM THIS AFTERNOON THROUGH
FRIDAY MORNING...

.TODAY...NW wind 15 to 20 kt. Seas 10 ft. Wave Detail: NW
10 ft at 14 seconds. A chance of rain.
.TONIGHT...N wind 20 kt. Seas 15 ft. Wave Detail:
NW 15 ft at 14 seconds.
.FRI...N wind 20 to 25 kt. Seas 14 ft. Wave Detail: NW
14 ft at 14 seconds.
.FRI NIGHT...N wind 20 to 25 kt. Seas 13 ft. Wave Detail:
NW 13 ft at 13 seconds.
.SAT...N wind 20 to 25 kt. Seas 14 ft. Wave Detail: NW
14 ft at 17 seconds.
.SAT NIGHT...N wind 20 to 25 kt. Seas 14 ft. Wave Detail:
NW 14 ft at 16 seconds.
.SUN...N wind 15 to 20 kt. Seas 12 ft. Wave Detail: NW
12 ft at 15 seconds.
.SUN NIGHT...N wind 10 to 15 kt. Seas 11 ft. Wave Detail:
NW 10 ft at 15 seconds.
.MON...N wind 15 to 20 kt. Seas 10 ft. Wave Detail: NW
10 ft at 15 seconds and S 2 ft at 15 seconds.
.MON NIGHT...N wind 20 to 25 kt. Seas 11 ft. Wave Detail:
N 8 ft at 7 seconds and NW 10 ft at 14 seconds.

$$