FZPN25 KWBC 180939
OFFPZ5

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
239 AM PDT Thu Sep 18 2025

Washington and Oregon waters-
Inner waters from 60 nm to 150 nm offshore.
Outer waters from 150 nm to 250 nm offshore.

Seas given as significant wave height, which is the average
height of the highest 1/3 of the waves. Individual waves may be
more than twice the significant wave height.

PZZ898-182215-
239 AM PDT Thu Sep 18 2025

.SYNOPSIS FOR WASHINGTON AND OREGON WATERS...A ridge of high
pressure will persist across the waters today through Fri. A
trough N of the waters over Vancouver Island will persist today
through Fri before weakening Fri night. A cold front will move
SE across the waters Sat into Sat night. The front will dissipate
just S of the waters Sun, with a ridge building in behind the
front Sun and Sun night. Another weakening cold front will
approach the N waters Mon into Mon night.

$$

PZZ800-182215-
Cape Flattery to Cape Shoalwater between 60 NM and 150 NM
offshore-
239 AM PDT Thu Sep 18 2025

.TODAY...NW winds 15 to 25 kt. Seas 8 to 11 ft.
.TONIGHT...NW winds 10 to 20 kt. Seas 6 to 9 ft.
.FRI...NW winds 10 to 15 kt. Seas 6 to 7 ft.
.FRI NIGHT...NW winds 10 to 15 kt, becoming W 5 to 10 kt. Seas
6 to 8 ft.
.SAT...S to SW winds 15 to 25 kt. Seas 6 to 11 ft.
.SAT NIGHT...W to SW winds 10 to 20 kt. Seas 7 to 11 ft.
.SUN...W winds 10 to 20 kt, diminishing to 5 to 10 kt. Seas
10 to 12 ft.
.SUN NIGHT...W to SW winds 5 to 10 kt, becoming S 5 to 15 kt.
Seas 10 to 12 ft.
.MON...S winds 10 to 20 kt. Seas 8 to 12 ft.
.MON NIGHT...S winds 10 to 20 kt, becoming variable 5 to 15 kt.
Seas 8 to 12 ft.

$$

PZZ900-182215-
Cape Flattery to Cape Shoalwater between 150 NM and 250 NM
offshore-
239 AM PDT Thu Sep 18 2025

.TODAY...NW winds 10 to 20 kt, becoming W to NW 5 to 15 kt. Seas
7 to 10 ft.
.TONIGHT...W to NW winds 5 to 15 kt. Seas 6 to 8 ft.
.FRI...NW winds 5 to 15 kt, becoming W to SW. Seas 6 to 7 ft.
.FRI NIGHT...W to SW winds 10 to 15 kt, becoming SW 15 to 25 kt.
Seas 6 to 10 ft.
.SAT...SW winds 15 to 25 kt. Seas 7 to 13 ft.
.SAT NIGHT...W winds 15 to 20 kt. Seas 9 to 14 ft.
.SUN...W winds 15 to 20 kt, diminishing to 10 to 15 kt. Seas
11 to 14 ft.
.SUN NIGHT...S to SW winds 15 to 25 kt. Seas 10 to 13 ft.
.MON...S winds 15 to 25 kt. Seas 9 to 14 ft.
.MON NIGHT...S to SW winds 10 to 20 kt, becoming N to NW 5 to
10 kt. Seas 9 to 12 ft.

$$

PZZ805-182215-
Cape Shoalwater to Cape Lookout between 60 NM and 150 NM
offshore-
239 AM PDT Thu Sep 18 2025

.TODAY...N winds 15 to 25 kt. Seas 8 to 11 ft.
.TONIGHT...N winds 15 to 25 kt. Seas 7 to 10 ft.
.FRI...N winds 15 to 20 kt, diminishing to 10 to 15 kt. Seas
6 to 8 ft.
.FRI NIGHT...N to NW winds 10 to 15 kt, becoming W to NW 5 to
10 kt. Seas 6 to 7 ft.
.SAT...SW winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 6 to
8 ft.
.SAT NIGHT...SW winds 10 to 15 kt, becoming W to NW. Seas 7 to
11 ft.
.SUN...NW winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas
9 to 11 ft.
.SUN NIGHT...Variable winds less than 10 kt. Seas 9 to 11 ft.
.MON...Variable winds less than 10 kt. Seas 8 to 10 ft.
.MON NIGHT...Variable winds less than 10 kt. Seas 7 to 9 ft.

$$

PZZ905-182215-
Cape Shoalwater to Cape Lookout between 150 NM and 250 NM
offshore-
239 AM PDT Thu Sep 18 2025

.TODAY...N to NW winds 10 to 20 kt. Seas 7 to 10 ft.
.TONIGHT...N to NW winds 10 to 20 kt. Seas 6 to 9 ft.
.FRI...N to NW winds 5 to 15 kt. Seas 6 to 7 ft.
.FRI NIGHT...N to NW winds 10 to 15 kt, becoming W to SW 5 to
15 kt. Seas 6 to 8 ft.
.SAT...SW winds 15 to 25 kt. Seas 7 to 11 ft.
.SAT NIGHT...W to SW winds 10 to 20 kt, becoming W to NW. Seas
7 to 12 ft.
.SUN...W to NW winds 10 to 20 kt, becoming W 5 to 10 kt. Seas
10 to 12 ft.
.SUN NIGHT...W to SW winds 5 to 15 kt, becoming SW 10 to 20 kt.
Seas 10 to 12 ft.
.MON...S to SW winds 10 to 20 kt. Seas 8 to 11 ft.
.MON NIGHT...SW winds 5 to 15 kt, becoming N to NW. Seas 7 to
11 ft.

$$

PZZ810-182215-
Cape Lookout to Florence, OR between 60 NM and 150 NM offshore-
239 AM PDT Thu Sep 18 2025

.TODAY...N winds 20 to 25 kt. Seas 9 to 11 ft.
.TONIGHT...N winds 20 to 25 kt. Seas 8 to 11 ft.
.FRI...N winds 15 to 25 kt. Seas 7 to 9 ft.
.FRI NIGHT...N winds 10 to 15 kt, diminishing to 5 to 10 kt.
Seas 6 to 7 ft.
.SAT...Variable winds less than 10 kt, becoming SW. Seas 6 to
7 ft.
.SAT NIGHT...SW winds 5 to 15 kt, becoming W to NW. Seas 6 to
9 ft.
.SUN...N to NW winds 5 to 15 kt, becoming N 5 to 10 kt. Seas
8 to 10 ft.
.SUN NIGHT...N winds less than 10 kt. Seas 9 to 10 ft.
.MON...N winds 5 to 15 kt. Seas 8 to 10 ft.
.MON NIGHT...N winds 5 to 15 kt. Seas 7 to 8 ft.

$$

PZZ910-182215-
Cape Lookout to Florence, OR between 150 NM and 250 NM offshore-
239 AM PDT Thu Sep 18 2025

.TODAY...N winds 15 to 25 kt. Seas 7 to 11 ft.
.TONIGHT...N winds 15 to 25 kt. Seas 6 to 10 ft.
.FRI...N winds 15 to 20 kt, diminishing to 10 to 15 kt. Seas
6 to 9 ft.
.FRI NIGHT...N to NW winds 10 to 15 kt, becoming W to NW 5 to
10 kt. Seas 6 to 7 ft.
.SAT...W to SW winds 10 to 20 kt. Seas 7 to 9 ft.
.SAT NIGHT...W to SW winds 10 to 15 kt, becoming NW. Seas 7 to
10 ft.
.SUN...NW winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas
9 to 11 ft.
.SUN NIGHT...Variable winds less than 10 kt, increasing to 5 to
15 kt. Seas 9 to 11 ft.
.MON...SW winds 5 to 15 kt. Seas 8 to 10 ft.
.MON NIGHT...W to SW winds less than 10 kt, becoming N to NW.
Seas 7 to 9 ft.

$$

PZZ815-182215-
Florence, OR to Point St. George between 60 NM and 150 NM
offshore-
239 AM PDT Thu Sep 18 2025

.TODAY...N winds 25 to 30 kt. Seas 10 to 15 ft.
.TONIGHT...N winds 20 to 30 kt. Seas 9 to 15 ft.
.FRI...N winds 15 to 25 kt. Seas 7 to 13 ft.
.FRI NIGHT...N winds 15 to 20 kt, diminishing to 5 to 15 kt.
Seas 6 to 9 ft.
.SAT...N winds 5 to 15 kt, becoming N to NW 5 to 10 kt. Seas
6 to 7 ft.
.SAT NIGHT...W to SW winds 5 to 15 kt, becoming W 5 to 10 kt.
Seas 6 to 8 ft.
.SUN...N to NW winds 5 to 15 kt. Seas 6 to 9 ft.
.SUN NIGHT...N winds 10 to 20 kt. Seas 8 to 10 ft.
.MON...N winds 10 to 20 kt. Seas 8 to 10 ft.
.MON NIGHT...N winds 10 to 20 kt. Seas 7 to 9 ft.

$$

PZZ915-182215-
Florence, OR to Point St. George between 150 NM and 250 NM
offshore-
239 AM PDT Thu Sep 18 2025

.TODAY...N winds 20 to 30 kt. Seas 8 to 13 ft.
.TONIGHT...N winds 20 to 30 kt. Seas 7 to 13 ft.
.FRI...N winds 15 to 25 kt. Seas 7 to 11 ft.
.FRI NIGHT...N winds 10 to 20 kt, diminishing to 5 to 15 kt.
Seas 6 to 8 ft.
.SAT...W to NW winds 5 to 15 kt, becoming W to SW 10 to 20 kt.
Seas 7 to 8 ft.
.SAT NIGHT...W to NW winds 5 to 15 kt. Seas 6 to 10 ft.
.SUN...N to NE winds 5 to 15 kt. Seas 7 to 10 ft.
.SUN NIGHT...N winds 5 to 15 kt. Seas 8 to 10 ft.
.MON...N to NW winds 5 to 15 kt. Seas 7 to 9 ft.
.MON NIGHT...N to NW winds 5 to 15 kt. Seas 7 to 8 ft.

$$

.Forecaster Folmer. Ocean Prediction Center.