Offshore Forecast
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000
FZPN25 KWBC 200343
OFFPZ5

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
843 PM PDT Thu Oct 19 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.

PZZ898-201630-
843 PM PDT Thu Oct 19 2017

.SYNOPSIS FOR WASHINGTON AND OREGON WATERS...A low pressure
trough will remain across the region tonight into Fri. A weak
high pressure ridge will rapidly cross the area Fri. A warm front
will lift NE across the region Fri night and Sat, followed by a
cold front moving into the waters Sat. The front will slowly sag
S across the region Sat night and Sun before beginning to lift N
as a warm front Sun night. The front will continue to move N
across the waters Mon and Mon night. High pressure will build N
along the Washington and Oregon coasts Sun night and Mon before
shifting inland Mon night while leaving a ridge axis over the
region. A low pressure trough will expand N along the coast Mon
and Mon night. Another cold front will begin to push south
through the waters Tues and Tues night.

$$

PZZ800-201630-
Cape Flattery to Cape Shoalwater between 60 nm and 150 nm
offshore-
843 PM PDT Thu Oct 19 2017

...GALE WARNING...

.TONIGHT...W winds 10 to 20 kt. Seas 19 to 23 ft. Isolated TSTMs
early. Scattered showers.
.FRI...NW winds increasing to 20 to 25 kt, then becoming W 10 to 20
kt. Seas subsiding to 15 to 19 ft. Scattered showers.
.FRI NIGHT...W to SW winds 5 to 15 kt, becoming S to SE 15 to 25 kt.
Seas subsiding to 11 to 15 ft. Scattered showers.
.SAT...SE winds 20 to 30 kt, becoming E to SE 25 to 35 kt. Seas
subsiding to 10 to 13 ft. Scattered showers.
.SAT NIGHT...Winds diminishing to SW 15 to 25 kt, then becoming W 20
to 30 kt. Seas 10 to 15 ft.
.SUN...W to SW winds diminishing to 15 to 20 kt. Seas becoming 13 to
15 ft.
.SUN NIGHT...W winds 10 to 20 kt, diminishing to 5 to 10 kt. Seas 13
to 15 ft.
.MON...Variable winds less than 10 kt, becoming SE 10 to 20 kt. Seas
12 to 15 ft.
.MON NIGHT...SE winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas
subsiding to 9 to 12 ft.
.TUE...E to SE winds 5 to 15 kt, becoming variable. Seas subsiding
to 7 to 9 ft.
.TUE NIGHT...Winds becoming S to SW 10 to 20 kt, then becoming N to
NW 20 to 30 kt. Seas becoming 7 to 13 ft.

$$

PZZ900-201630-
Cape Flattery to Cape Shoalwater between 150 nm and 250 nm
offshore-
843 PM PDT Thu Oct 19 2017

.TONIGHT...W to NW winds 15 to 25 kt. Seas 19 to 23 ft. Scattered
showers.
.FRI...NW winds 15 to 25 kt, becoming W 10 to 20 kt. Seas subsiding
to 15 to 19 ft. Scattered showers.
.FRI NIGHT...Winds backing to S to SE 15 to 25 kt. Seas subsiding to
11 to 15 ft.
.SAT...SE winds 20 to 30 kt, becoming SW 15 to 25 kt. Seas subsiding
to 10 to 12 ft. Scattered showers.
.SAT NIGHT...W to SW winds 20 to 30 kt. Seas building to 11 to 17
ft.
.SUN...W winds 15 to 25 kt. Seas becoming 14 to 17 ft.
.SUN NIGHT...W winds 10 to 20 kt, becoming W to SW 5 to 15 kt. Seas
14 to 17 ft.
.MON...Winds backing to SE 10 to 20 kt, then becoming S 15 to 25 kt.
Seas subsiding to 12 to 15 ft.
.MON NIGHT...S winds 10 to 20 kt. Seas subsiding to 9 to 12 ft.
.TUE...S winds 15 to 25 kt. Seas 7 to 12 ft.
.TUE NIGHT...SW winds 20 to 30 kt, becoming N. Seas building to 9 to
15 ft.

$$

PZZ805-201630-
Cape Shoalwater to Cape Lookout between 60 nm and 150 nm
offshore-
843 PM PDT Thu Oct 19 2017

...GALE WARNING...

.TONIGHT...W winds 15 to 20 kt. Seas 20 to 23 ft. Showers and chance
of TSTMs.
.FRI...W to NW winds 15 to 25 kt. Seas subsiding to 16 to 21 ft.
Scattered showers.
.FRI NIGHT...W to SW winds 10 to 20 kt, becoming S 30 to 40 kt. Seas
subsiding to 12 to 16 ft. Scattered showers early, then rain.
.SAT...Winds diminishing to W to SW 15 to 25 kt, then becoming SW 25
to 35 kt. Seas 12 to 18 ft. Scattered showers.
.SAT NIGHT...SW winds 25 to 35 kt, becoming W to SW 20 to 30 kt.
Seas building to 13 to 20 ft.
.SUN...W winds diminishing to 15 to 20 kt, then becoming W to SW 10
to 15 kt. Seas becoming 13 to 15 ft.
.SUN NIGHT...W winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas 13
to 14 ft.
.MON...S to SE winds less than 10 kt, increasing to 5 to 15 kt. Seas
12 to 14 ft.
.MON NIGHT...E to NE winds 5 to 15 kt. Seas subsiding to 9 to 12 ft.
.TUE...N to NE winds 10 to 20 kt. Seas subsiding to 7 to 10 ft.
.TUE NIGHT...N winds 5 to 15 kt, becoming W to NW 10 to 20 kt. Seas
7 to 9 ft.

$$

PZZ905-201630-
Cape Shoalwater to Cape Lookout between 150 nm and 250 nm
offshore-
843 PM PDT Thu Oct 19 2017

...GALE WARNING...

.TONIGHT...W to NW winds 20 to 25 kt. Seas 20 to 23 ft. Scattered
showers.
.FRI...NW winds 20 to 25 kt, becoming W 10 to 20 kt. Seas subsiding
to 15 to 20 ft. Scattered showers.
.FRI NIGHT...Winds increasing to S to SE 20 to 30 kt. Seas subsiding
to 12 to 16 ft. Scattered showers.
.SAT...Winds veering to W to SW 20 to 30 kt, then becoming SW 25 to
35 kt. Seas 11 to 19 ft. Scattered showers.
.SAT NIGHT...W to SW winds 25 to 35 kt, becoming W 20 to 25 kt. Seas
becoming 13 to 20 ft.
.SUN...W winds 15 to 25 kt. Seas becoming 13 to 15 ft.
.SUN NIGHT...W winds 10 to 20 kt, becoming W to SW 5 to 10 kt. Seas
13 to 15 ft.
.MON...S to SE winds 5 to 15 kt, becoming S 10 to 20 kt. Seas 12 to
15 ft.
.MON NIGHT...S winds 5 to 15 kt. Seas subsiding to 9 to 12 ft.
.TUE...E to NE winds 5 to 15 kt, becoming N to NE. Seas subsiding to
7 to 9 ft.
.TUE NIGHT...Winds backing to W to SW 10 to 20 kt, then becoming W
to NW 15 to 25 kt. Seas 7 to 11 ft.

$$

PZZ810-201630-
Cape Lookout to Florence, OR between 60 nm and 150 nm offshore-
843 PM PDT Thu Oct 19 2017

...GALE WARNING...

.TONIGHT...W to NW winds 15 to 25 kt. Seas 21 to 23 ft. Scattered
showers and slight chance of TSTMs.
.FRI...W winds 15 to 25 kt. Seas subsiding to 17 to 21 ft. Scattered
showers.
.FRI NIGHT...SW winds 15 to 20 kt, becoming S 30 to 40 kt. Seas
subsiding to 14 to 17 ft. Scattered showers early, then rain.
.SAT...SW winds diminishing to 20 to 30 kt. Seas 13 to 18 ft.
Scattered showers.
.SAT NIGHT...SW winds 25 to 35 kt. Seas building to 15 to 20 ft.
.SUN...W to SW winds 20 to 30 kt, becoming SW 10 to 20 kt. Seas
subsiding to 13 to 17 ft.
.SUN NIGHT...W winds diminishing to 5 to 10 kt, then becoming
variable. Seas subsiding to 12 to 13 ft.
.MON...E to SE winds less than 10 kt. Seas 12 to 13 ft.
.MON NIGHT...NE winds 5 to 15 kt, increasing to 10 to 20 kt. Seas
becoming 9 to 13 ft.
.TUE...N to NE winds 15 to 20 kt. Seas subsiding to 8 to 11 ft.
.TUE NIGHT...N winds 10 to 20 kt. Seas subsiding to 7 to 9 ft.

$$

PZZ910-201630-
Cape Lookout to Florence, OR between 150 nm and 250 nm offshore-
843 PM PDT Thu Oct 19 2017

...GALE WARNING...

.TONIGHT...W winds 20 to 25 kt. Seas 21 to 23 ft. Scattered showers.
.FRI...W to NW winds 15 to 25 kt. Seas subsiding to 16 to 21 ft.
Scattered showers.
.FRI NIGHT...Winds backing to S 20 to 30 kt, then increasing to 25
to 35 kt. Seas subsiding to 13 to 16 ft. Rain.
.SAT...Winds veering to W to SW 25 to 35 kt. Seas becoming 12 to 20
ft. Scattered showers.
.SAT NIGHT...SW winds 25 to 35 kt, becoming W to SW 20 to 30 kt.
Seas becoming 15 to 20 ft.
.SUN...W winds diminishing to 15 to 20 kt, then becoming W to SW 10
to 15 kt. Seas subsiding to 13 to 15 ft.
.SUN NIGHT...W winds 5 to 15 kt, becoming S to SW. Seas 13 to 14 ft.
.MON...S to SE winds less than 10 kt, increasing to 5 to 15 kt. Seas
12 to 14 ft.
.MON NIGHT...S winds less than 10 kt, becoming NE. Seas subsiding to
9 to 12 ft.
.TUE...N to NE winds increasing to 10 to 20 kt, then becoming N 5 to
15 kt. Seas subsiding to 7 to 9 ft.
.TUE NIGHT...N winds 5 to 15 kt, becoming W to NW 10 to 20 kt. Seas
7 to 9 ft.

$$

PZZ815-201630-
Florence, OR to Point St. George between 60 nm and 150 nm
offshore-
843 PM PDT Thu Oct 19 2017

...GALE WARNING...

.TONIGHT...W winds 15 to 25 kt. Seas 21 to 23 ft. Scattered showers
and slight chance of TSTMs.
.FRI...W winds 15 to 25 kt. Seas subsiding to 18 to 21 ft. Scattered
showers.
.FRI NIGHT...Winds backing to S to SW 15 to 25 kt, then increasing
to 30 to 40 kt. Seas subsiding to 15 to 17 ft. Showers likely early.
.SAT...W to SW winds diminishing to 20 to 30 kt. Seas 14 to 18 ft.
Scattered showers.
.SAT NIGHT...SW winds 20 to 30 kt. Seas 13 to 18 ft.
.SUN...SW winds 20 to 30 kt. Seas 12 to 17 ft.
.SUN NIGHT...W to SW winds diminishing to 5 to 15 kt, then becoming
variable. Seas subsiding to 11 to 14 ft.
.MON...E to NE winds 5 to 10 kt, becoming N to NE 10 to 20 kt. Seas
12 to 13 ft.
.MON NIGHT...N winds increasing to 20 to 30 kt. Seas 10 to 13 ft.
.TUE...N winds 20 to 30 kt. Seas becoming 8 to 12 ft.
.TUE NIGHT...N winds 15 to 25 kt. Seas subsiding to 7 to 10 ft.

$$

PZZ915-201630-
Florence, OR to Point St. George between 150 nm and 250 nm
offshore-
843 PM PDT Thu Oct 19 2017

...GALE WARNING...

.TONIGHT...W winds 20 to 25 kt. Seas 21 to 24 ft. Scattered showers.
.FRI...W to NW winds 15 to 25 kt. Seas subsiding to 17 to 21 ft.
Scattered showers.
.FRI NIGHT...Winds increasing to S to SW 25 to 35 kt, then becoming
W to SW. Seas subsiding to 15 to 19 ft. Rain.
.SAT...W to SW winds 25 to 30 kt, becoming SW 25 to 35 kt. Seas 15
to 19 ft. Scattered showers.
.SAT NIGHT...SW winds 20 to 30 kt. Seas 14 to 20 ft.
.SUN...W to SW winds 15 to 25 kt. Seas subsiding to 12 to 16 ft.
.SUN NIGHT...W winds diminishing to 5 to 15 kt, then becoming
variable. Seas 12 to 14 ft.
.MON...Variable winds less than 10 kt, increasing to 5 to 15 kt.
Seas 12 to 14 ft.
.MON NIGHT...Winds increasing to N to NE 15 to 25 kt. Seas subsiding
to 9 to 12 ft.
.TUE...N winds 15 to 25 kt. Seas becoming 7 to 11 ft.
.TUE NIGHT...N to NW winds 15 to 25 kt. Seas 8 to 10 ft.

$$

.Forecaster Shaw. Ocean Prediction Center.



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