Caspar, CA Coastal Forecast

FZUS56 KEKA 181134
CWFEKA

Coastal Waters Forecast for Northwest California
National Weather Service Eureka CA
334 AM PST Thu Dec 18 2025

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

PZZ400-190015-
334 AM PST Thu Dec 18 2025

.SYNOPSIS FOR NORTHERN CALIFORNIA WATERS...An approaching strong
weather system has started to quickly increase southerly winds in
the northern out waters with gale conditions expected by mid
Thursday morning. Gale conditions will push closer to shore in
the afternoon alongside steep short period seas. Much more
moderate, though not calm conditions, will persist in the
southern waters. Generally lighter winds are expected Friday
afternoon through Saturday though mid period westerly swells will
keep seas somewhat elevated. Sunday there is the potential for
another weather system and strong to gale force winds.

$$

PZZ450-190015-
Pt St George to Cape Mendocino out 10 nm-
334 AM PST Thu Dec 18 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...
...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH FRIDAY
MORNING...

.TODAY...S wind 20 to 25 kt with gusts up to 40 kt. Seas
9 ft. Wave Detail: S 7 ft at 6 seconds and W 9 ft at 11 seconds.
Rain likely.
.TONIGHT...S wind 25 to 30 kt with gusts up to 45 kt. Seas
10 ft. Wave Detail: S 9 ft at 7 seconds and W 8 ft at 11 seconds.
Rain.
.FRI...SW wind 15 to 20 kt. Seas 10 ft. Wave Detail: S
9 ft at 8 seconds and W 10 ft at 11 seconds. Rain.
.FRI NIGHT...N wind 5 kt. Seas 10 ft. Wave Detail:
W 10 ft at 12 seconds. Rain likely.
.SAT...SE wind 5 kt. Seas 8 ft. Wave Detail: NW
8 ft at 12 seconds. A chance of rain.
.SAT NIGHT...SE wind 5 to 10 kt. Seas 7 ft. Wave Detail:
NW 7 ft at 11 seconds. Rain.
.SUN...S wind 10 to 15 kt. Seas 6 ft. Wave Detail: S 2 ft
at 7 seconds and NW 6 ft at 11 seconds. Rain.
.SUN NIGHT...SW wind 5 to 10 kt. Seas 7 ft. Wave Detail: S
4 ft at 5 seconds and NW 6 ft at 10 seconds. Rain.
.MON...S wind 5 to 10 kt. Seas 8 ft. Wave Detail: SW 2 ft
at 4 seconds and W 8 ft at 10 seconds. Rain.
.MON NIGHT...S wind 5 to 10 kt. Seas 9 ft. Wave Detail: SW
2 ft at 4 seconds and W 9 ft at 12 seconds. Rain likely.

$$

PZZ470-190015-
Pt St George to Cape Mendocino 10 to 60 nm-
334 AM PST Thu Dec 18 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM PST EARLY THIS
MORNING...
...GALE WARNING IN EFFECT THROUGH FRIDAY MORNING...

.TODAY...S wind 25 to 30 kt with gusts up to 50 kt. Seas
11 ft. Wave Detail: S 9 ft at 7 seconds and W 9 ft at 11 seconds.
Rain likely.
.TONIGHT...S wind 25 to 30 kt with gusts up to 45 kt. Seas
13 ft. Wave Detail: S 10 ft at 8 seconds and W 9 ft at
11 seconds. Rain.
.FRI...SW wind 15 to 20 kt. Seas 13 ft. Wave Detail: S
9 ft at 8 seconds and W 12 ft at 11 seconds. Rain.
.FRI NIGHT...N wind 5 to 10 kt. Seas 11 ft. Wave Detail: W
11 ft at 13 seconds. A chance of rain.
.SAT...SE wind 5 kt. Seas 9 ft. Wave Detail: NW
9 ft at 12 seconds. A chance of rain.
.SAT NIGHT...S wind 10 to 15 kt. Seas 8 ft. Wave Detail:
NW 8 ft at 11 seconds. Rain.
.SUN...SW wind 15 to 20 kt. Seas 7 ft. Wave Detail: S 5 ft
at 5 seconds and NW 7 ft at 11 seconds. Rain.
.SUN NIGHT...SW wind 10 to 15 kt. Seas 8 ft. Wave Detail:
SW 5 ft at 5 seconds and NW 7 ft at 10 seconds. Rain.
.MON...SW wind 10 to 15 kt. Seas 9 ft. Wave Detail: SW
4 ft at 4 seconds and W 9 ft at 10 seconds. Rain.
.MON NIGHT...SW wind 10 to 15 kt. Seas 10 ft. Wave Detail:
SW 4 ft at 4 seconds and W 10 ft at 12 seconds. Rain likely.

$$

PZZ455-190015-
Cape Mendocino to Pt Arena out 10 nm-
334 AM PST Thu Dec 18 2025

.TODAY...S wind 25 to 30 kt. Seas 8 ft. Wave Detail: W
8 ft at 11 seconds. Rain likely.
.TONIGHT...S wind 20 to 25 kt with gusts up to 35 kt. Seas
7 ft. Wave Detail: S 5 ft at 5 seconds and W 7 ft at 11 seconds.
Rain.
.FRI...S wind 20 to 25 kt. Seas 9 ft. Wave Detail: S 6 ft
at 5 seconds and W 9 ft at 11 seconds. Rain.
.FRI NIGHT...N wind 5 to 10 kt. Seas 9 ft. Wave Detail: W
9 ft at 13 seconds. Rain likely.
.SAT...E wind 5 kt. Seas 7 ft. Wave Detail: NW 7 ft
at 12 seconds. Rain likely.
.SAT NIGHT...S wind 15 to 20 kt. Seas 7 ft. Wave Detail:
NW 7 ft at 11 seconds. Rain.
.SUN...S wind 15 to 20 kt. Seas 7 ft. Wave Detail: S 6 ft
at 6 seconds and NW 6 ft at 11 seconds. Rain.
.SUN NIGHT...SW wind 10 to 15 kt. Seas 8 ft. Wave Detail:
SW 5 ft at 5 seconds and NW 6 ft at 10 seconds. Rain.
.MON...SW wind 5 to 10 kt. Seas 7 ft. Wave Detail: SW 3 ft
at 4 seconds and NW 7 ft at 10 seconds. Rain.
.MON NIGHT...N wind 5 to 10 kt. Seas 8 ft. Wave Detail: NW
8 ft at 13 seconds. Rain likely.

$$

PZZ475-190015-
Cape Mendocino to Pt Arena 10 to 60 nm-
334 AM PST Thu Dec 18 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
FRIDAY MORNING...

.TODAY...S wind 25 to 30 kt. Seas 9 ft. Wave Detail: SW
5 ft at 5 seconds and NW 9 ft at 11 seconds. Rain likely.
.TONIGHT...S wind 20 to 25 kt with gusts up to 35 kt. Seas
9 ft. Wave Detail: S 7 ft at 5 seconds and W 8 ft at 11 seconds.
Rain.
.FRI...SW wind 15 to 20 kt. Seas 11 ft. Wave Detail: SW
7 ft at 6 seconds and W 10 ft at 11 seconds. Rain.
.FRI NIGHT...N wind 10 kt. Seas 10 ft. Wave Detail:
W 10 ft at 13 seconds. A chance of rain.
.SAT...E wind 5 kt. Seas 8 ft. Wave Detail: NW 8 ft
at 12 seconds. Rain likely.
.SAT NIGHT...S wind 15 to 20 kt. Seas 7 ft. Wave Detail:
NW 7 ft at 11 seconds. Rain.
.SUN...SW wind 15 to 20 kt. Seas 8 ft. Wave Detail: S 5 ft
at 5 seconds and NW 7 ft at 11 seconds. Rain.
.SUN NIGHT...SW wind 10 to 15 kt. Seas 8 ft. Wave Detail:
SW 4 ft at 5 seconds and NW 6 ft at 10 seconds. Rain.
.MON...W wind 5 to 10 kt. Seas 8 ft. Wave Detail: SW 3 ft
at 4 seconds and NW 8 ft at 10 seconds. Rain.
.MON NIGHT...NW wind 5 to 10 kt. Seas 9 ft. Wave Detail: W
3 ft at 4 seconds and NW 9 ft at 13 seconds. Rain likely.

$$