Offshore Forecast
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FZPN25 KWBC 201550
OFFPZ5

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
850 AM PDT Fri Oct 20 2017

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.

PZZ898-210445-
850 AM PDT Fri Oct 20 2017

.SYNOPSIS FOR WASHINGTON AND OREGON WATERS...A low pressure
trough will give way to a weak high pressure ridge crossing
the region today. A warm front will lift NE over the area
tonight into Sat, followed by a cold front moving over the
waters Sat. The front will slowly sag S Sat night and Sun, lift
N as a warm front Sun night, and move N across the waters Mon.
High pressure will build N along the Washington and Oregon coasts
Sun night into Mon before shifting inland Mon night leaving a
ridge axis over the region. The ridge will persist over the
region into Tue night. A cold front will move into the area Tue
night. A low pressure trough will expand N along the coast Mon
through Tue and weaken Tue night.

$$

PZZ800-210445-
Cape Flattery to Cape Shoalwater between 60 nm and 150 nm
offshore-
850 AM PDT Fri Oct 20 2017

...GALE WARNING...

.TODAY...W to NW winds 15 to 25 kt. Seas 15 to 19 ft.
Scattered showers.
.TONIGHT...W to SW winds 10 to 15 kt, becoming S to SE 20 to
30 kt. Seas 12 to 16 ft. Scattered showers.
.SAT...SE winds 25 to 35 kt, becoming S to SW 15 to 25 kt.
Seas 11 to 14 ft. Chance of rain.
.SAT NIGHT...SW winds 20 to 30 kt, becoming W 20 to 25 kt.
Seas 10 to 17 ft. Chance of rain.
.SUN...W winds 15 to 20 kt, becoming SW. Seas 14 to 16 ft.
.SUN NIGHT...W to SW winds 10 to 15 kt, becoming SW. Seas 13 to
15 ft.
.MON...S to SE winds 10 to 20 kt. Seas 12 to 14 ft.
.MON NIGHT...S to SE winds 10 to 20 kt, becoming E to SE 5 to
15 kt. Seas subsiding to 9 to 12 ft.
.TUE...E to SE winds 5 to 15 kt, becoming variable. Seas 8 to
10 ft.
.TUE NIGHT...S to SW winds 5 to 15 kt, becoming SW 15 to 25 kt.
Seas 8 to 12 ft.

$$

PZZ900-210445-
Cape Flattery to Cape Shoalwater between 150 nm and 250 nm
offshore-
850 AM PDT Fri Oct 20 2017

.TODAY...W to NW winds 15 to 25 kt. Seas 15 to 19 ft. Scattered
showers.
.TONIGHT...S winds 15 to 25 kt, becoming SE 20 to 30 kt. Seas
12 to 15 ft. Chance of rain.
.SAT...SE winds 20 to 30 kt, becoming SW 15 to 25 kt. Seas
subsiding to 10 to 13 ft.
.SAT NIGHT...W to SW winds 20 to 30 kt. Seas building to 11 to
18 ft. Scattered showers.
.SUN...W winds 20 to 30 kt. Seas 15 to 18 ft.
.SUN NIGHT...W to SW winds 10 to 15 kt, becoming S 5 to 15 kt.
Seas subsiding to 13 to 16 ft.
.MON...S winds 15 to 25 kt. Seas 12 to 15 ft.
.MON NIGHT...S winds 10 to 20 kt. Seas 9 to 13 ft.
.TUE...S winds 10 to 20 kt. Seas 9 to 12 ft.
.TUE NIGHT...SW winds 20 to 30 kt. Seas 9 to 15 ft.

$$

PZZ805-210445-
Cape Shoalwater to Cape Lookout between 60 nm and 150 nm
offshore-
850 AM PDT Fri Oct 20 2017

...GALE WARNING...

.TODAY...W to NW winds 15 to 25 kt. Seas 16 to 19 ft. Isolated
TSTMs.
.TONIGHT...SW winds 15 to 20 kt, becoming S 30 to 40 kt. Seas
13 to 16 ft. Showers.
.SAT...S to SW winds 20 to 30 kt, becoming SW 25 to 35 kt. Seas
12 to 18 ft. Chance of rain early, then scattered showers.
.SAT NIGHT...SW winds 25 to 35 kt, becoming W to SW 20 to 30 kt.
Seas 15 to 20 ft. Rain early, then scattered showers.
.SUN...W winds 10 to 20 kt, becoming SW 10 to 15 kt. Seas
subsiding to 13 to 15 ft.
.SUN NIGHT...W to SW winds 5 to 10 kt, becoming variable. Seas
12 to 14 ft.
.MON...SE winds 5 to 15 kt. Seas 12 to 13 ft.
.MON NIGHT...E to NE winds 5 to 15 kt, becoming N to NE. Seas
9 to 12 ft.
.TUE...NE winds 10 to 20 kt, becoming N. Seas 8 to 9 ft.
.TUE NIGHT...N winds 10 to 20 kt, becoming W to SW. Seas 8 to
9 ft.

$$

PZZ905-210445-
Cape Shoalwater to Cape Lookout between 150 nm and 250 nm
offshore-
850 AM PDT Fri Oct 20 2017

...GALE WARNING...

.TODAY...W to NW winds 15 to 25 kt. Seas 15 to 19 ft. Scattered
showers.
.TONIGHT...S winds 20 to 30 kt, increasing to 25 to 35 kt. Seas
12 to 16 ft. Rain.
.SAT...W to SW winds 20 to 30 kt, becoming SW 25 to 35 kt. Seas
12 to 20 ft. Chance of rain.
.SAT NIGHT...W to SW winds 25 to 35 kt, becoming W 20 to 30 kt.
Seas 13 to 20 ft. Rain.
.SUN...W to SW winds 15 to 25 kt. Seas 13 to 16 ft.
.SUN NIGHT...W to SW winds 5 to 15 kt, becoming S. Seas 13 to
15 ft.
.MON...S to SE winds 10 to 20 kt. Seas 12 to 14 ft.
.MON NIGHT...S winds 5 to 15 kt. Seas 9 to 11 ft.
.TUE...Variable winds 5 to 15 kt. Seas 9 to 10 ft.
.TUE NIGHT...W to SW winds 15 to 25 kt. Seas 8 to 12 ft.

$$

PZZ810-210445-
Cape Lookout to Florence, OR between 60 nm and 150 nm offshore-
850 AM PDT Fri Oct 20 2017

...GALE WARNING...

.TODAY...W to NW winds 15 to 25 kt. Seas 17 to 20 ft. Scattered
showers and TSTMs.
.TONIGHT...SW winds 15 to 20 kt, becoming S 30 to 40 kt. Seas
14 to 17 ft. Showers.
.SAT...W to SW winds 20 to 30 kt, becoming SW 25 to 35 kt. Seas
15 to 18 ft. Rain early, then scattered showers.
.SAT NIGHT...SW winds 25 to 35 kt. Seas 16 to 20 ft. Chance of
rain early, then scattered showers.
.SUN...W winds 10 to 20 kt, becoming SW 5 to 10 kt. Seas
subsiding to 12 to 16 ft.
.SUN NIGHT...Variable winds less than 10 kt. Seas 12 to 13 ft.
.MON...E winds 5 to 10 kt. Seas 12 to 13 ft.
.MON NIGHT...NE winds 5 to 15 kt, becoming N 10 to 15 kt. Seas
9 to 12 ft.
.TUE...N winds 15 to 20 kt. Seas 9 to 10 ft.
.TUE NIGHT...N winds 10 to 20 kt, becoming NW. Seas 8 to 9 ft.

$$

PZZ910-210445-
Cape Lookout to Florence, OR between 150 nm and 250 nm offshore-
850 AM PDT Fri Oct 20 2017

...GALE WARNING...

.TODAY...W to NW winds 15 to 25 kt. Seas 16 to 20 ft. Scattered
showers.
.TONIGHT...S to SW winds 20 to 30 kt, increasing to 25 to 35 kt.
Seas 14 to 17 ft. Rain.
.SAT...SW winds 25 to 30 kt, increasing to 30 to 35 kt. Seas
15 to 20 ft. Chance of rain early, then scattered showers.
.SAT NIGHT...SW winds 25 to 35 kt, becoming W to SW 20 to 30 kt.
Seas 15 to 20 ft. Chance of rain.
.SUN...W winds 10 to 20 kt, becoming W to SW 10 to 15 kt. Seas
subsiding to 13 to 15 ft.
.SUN NIGHT...W winds less than 10 kt, becoming SE. Seas 12 to
14 ft.
.MON...S to SE winds 5 to 15 kt. Seas 12 to 13 ft.
.MON NIGHT...Variable winds less than 10 kt, becoming N to NE.
Seas 9 to 11 ft.
.TUE...N to NE winds 5 to 15 kt, becoming N 10 to 20 kt. Seas
9 to 10 ft.
.TUE NIGHT...N winds 5 to 15 kt, becoming W 10 to 20 kt. Seas
8 to 9 ft.

$$

PZZ815-210445-
Florence, OR to Point St. George between 60 nm and 150 nm
offshore-
850 AM PDT Fri Oct 20 2017

...GALE WARNING...

.TODAY...W to NW winds 15 to 25 kt. Seas 18 to 20 ft. Scattered
showers and TSTMs.
.TONIGHT...SW winds 10 to 20 kt, becoming S to SW 30 to 40 kt.
Seas 13 to 18 ft. Showers early.
.SAT...SW winds 20 to 30 kt. Seas 13 to 18 ft. Chance of rain.
Scattered showers.
.SAT NIGHT...SW winds 20 to 30 kt. Seas 13 to 19 ft. Chance of
rain early.
.SUN...SW winds 15 to 25 kt. Seas subsiding to 12 to 16 ft.
.SUN NIGHT...W to SW winds less than 10 kt, becoming variable.
Seas 11 to 13 ft.
.MON...Variable winds 5 to 15 kt, becoming N 10 to 20 kt. Seas
11 to 12 ft.
.MON NIGHT...N winds 15 to 25 kt. Seas 10 to 12 ft.
.TUE...N winds 15 to 20 kt. Seas 9 to 12 ft.
.TUE NIGHT...N winds 15 to 20 kt. Seas 8 to 10 ft.

$$

PZZ915-210445-
Florence, OR to Point St. George between 150 nm and 250 nm
offshore-
850 AM PDT Fri Oct 20 2017

...GALE WARNING...

.TODAY...W to NW winds 15 to 25 kt. Seas 16 to 21 ft.
.TONIGHT...S to SW winds 25 to 35 kt. Seas 14 to 19 ft. Rain.
.SAT...SW winds 25 to 30 kt, becoming 25 to 35 kt. Seas 15 to
20 ft. Chance of rain.
.SAT NIGHT...SW winds 25 to 35 kt, diminishing to 20 to 30 kt.
Seas 14 to 20 ft. Chance of rain.
.SUN...W to SW winds 15 to 25 kt, becoming SW 5 to 15 kt. Seas
12 to 16 ft.
.SUN NIGHT...W to SW winds 5 to 15 kt, becoming SE 5 to 10 kt.
Seas 11 to 13 ft.
.MON...Variable winds less than 10 kt. Seas 12 to 13 ft.
.MON NIGHT...N winds 5 to 15 kt, increasing to 10 to 20 kt. Seas
9 to 12 ft.
.TUE...N winds 10 to 20 kt. Seas 8 to 10 ft.
.TUE NIGHT...N winds 10 to 20 kt, becoming NW. Seas 8 to 9 ft.

$$

.Forecaster Sommerville. Ocean Prediction Center.


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