Offshore Forecast
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FZPN25 KWBC 210401
OFFPZ5

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
801 PM PST Tue Feb 20 2018

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.

PZZ898-211715-
801 PM PST Tue Feb 20 2018

.SYNOPSIS FOR WASHINGTON AND OREGON WATERS...Weak low pressure
will track S over the southern waters tonight. A low pressure
trough will remain along the Washington and Oregon coasts Wed and
Wed night. A high pressure ridge will build across the area from
the W Thu. A trough will expand S into the waters Thu night
through Sat night. A weak cold front will move across the area
Sat night and Sun. An associated low pressure will move into the
northern waters late Sun night.

$$

PZZ800-211715-
Cape Flattery to Cape Shoalwater between 60 nm and 150 nm
offshore-
801 PM PST Tue Feb 20 2018

.TONIGHT...N to NE winds 10 to 20 kt. Seas 5 to 7 ft.
.WED...N to NW winds 5 to 15 kt, becoming NW 10 to 20 kt. Seas 5 to
6 ft.
.WED NIGHT...N winds increasing to 20 to 30 kt. Seas building to 6
to 10 ft. Scattered showers.
.THU...N winds becoming 10 to 20 kt, then diminishing to 5 to 15 kt.
Seas 7 to 9 ft.
.THU NIGHT...NW winds 5 to 15 kt. Seas 7 to 8 ft.
.FRI...W to NW winds increasing to 15 to 25 kt. Seas 7 to 9 ft.
.FRI NIGHT...W to NW winds 20 to 25 kt. Seas building to 9 to 11 ft.
.SAT...NW winds 20 to 30 kt. Seas 9 to 12 ft.
.SAT NIGHT...Winds backing to W to SW 15 to 25 kt. Seas 9 to 11 ft.
.SUN...W to SW winds 20 to 30 kt. Seas building to 10 to 15 ft.
.SUN NIGHT...W winds 25 to 30 kt. Seas building to 12 to 20 ft.

$$

PZZ900-211715-
Cape Flattery to Cape Shoalwater between 150 nm and 250 nm
offshore-
801 PM PST Tue Feb 20 2018

...GALE FORCE WINDS POSSIBLE SUN...

.TONIGHT...N winds 15 to 25 kt. Seas 6 to 8 ft.
.WED...N to NW winds diminishing to 10 to 15 kt, then becoming NW 15
to 25 kt. Seas 5 to 7 ft.
.WED NIGHT...N winds 20 to 30 kt. Seas building to 7 to 10 ft.
.THU...N winds 15 to 25 kt, becoming NW 10 to 20 kt. Seas 7 to 10
ft.
.THU NIGHT...W to NW winds 10 to 15 kt. Seas 7 to 8 ft.
.FRI...W winds increasing to 15 to 25 kt, then becoming NW. Seas 7
to 9 ft.
.FRI NIGHT...W to NW winds 20 to 25 kt. Seas building to 9 to 11 ft.
.SAT...NW winds 20 to 25 kt. Seas 10 to 12 ft.
.SAT NIGHT...W winds 15 to 20 kt, becoming SW 20 to 30 kt. Seas 10
to 12 ft.
.SUN...W winds 25 to 35 kt, becoming 25 to 30 kt. Seas building to
11 to 17 ft.
.SUN NIGHT...W winds 25 to 35 kt. Seas building to 14 to 24 ft.

$$

PZZ805-211715-
Cape Shoalwater to Cape Lookout between 60 nm and 150 nm
offshore-
801 PM PST Tue Feb 20 2018

.TONIGHT...N to NE winds 15 to 25 kt. Seas 6 to 8 ft. Chance of
rain.
.WED...N winds 10 to 20 kt, becoming NW. Seas 5 to 8 ft.
.WED NIGHT...NW winds increasing to 20 to 30 kt, then becoming N.
Seas building to 6 to 10 ft. Scattered showers.
.THU...N winds 20 to 30 kt, diminishing to 10 to 20 kt. Seas 7 to 11
ft.
.THU NIGHT...N to NW winds 5 to 15 kt. Seas becoming 7 to 8 ft.
.FRI...Winds increasing to W 15 to 25 kt. Seas 7 to 8 ft.
.FRI NIGHT...W to NW winds 15 to 20 kt. Seas 8 to 9 ft.
.SAT...W to NW winds 20 to 25 kt. Seas 8 to 11 ft.
.SAT NIGHT...W winds 15 to 20 kt. Seas 9 to 11 ft.
.SUN...W to SW winds increasing to 20 to 30 kt. Seas 10 to 12 ft.
.SUN NIGHT...W winds 20 to 30 kt. Seas building to 12 to 18 ft.

$$

PZZ905-211715-
Cape Shoalwater to Cape Lookout between 150 nm and 250 nm
offshore-
801 PM PST Tue Feb 20 2018

.TONIGHT...N winds 15 to 25 kt. Seas 7 to 9 ft.
.WED...N winds 10 to 20 kt, becoming NW. Seas 6 to 8 ft.
.WED NIGHT...N to NW winds increasing to 20 to 30 kt. Seas 6 to 10
ft.
.THU...N winds 20 to 30 kt, diminishing to 10 to 20 kt. Seas
becoming 8 to 11 ft.
.THU NIGHT...NW winds 10 to 15 kt. Seas subsiding to 7 to 9 ft.
.FRI...W to NW winds 10 to 20 kt. Seas 7 to 8 ft.
.FRI NIGHT...NW winds 15 to 25 kt. Seas 8 to 9 ft.
.SAT...NW winds 15 to 25 kt. Seas building to 9 to 11 ft.
.SAT NIGHT...Winds backing to W to SW 15 to 25 kt. Seas 9 to 11 ft.
.SUN...W winds 20 to 30 kt. Seas building to 10 to 13 ft.
.SUN NIGHT...W winds 25 to 30 kt. Seas building to 12 to 21 ft.

$$

PZZ810-211715-
Cape Lookout to Florence, OR between 60 nm and 150 nm offshore-
801 PM PST Tue Feb 20 2018

.TONIGHT...N winds 5 to 15 kt, increasing to 15 to 25 kt. Seas 6 to
8 ft.
.WED...N to NW winds 15 to 20 kt. Seas 6 to 9 ft.
.WED NIGHT...NW winds 15 to 25 kt, becoming N 25 to 30 kt. Seas 6 to
11 ft.
.THU...N winds 20 to 30 kt. Seas becoming 8 to 12 ft.
.THU NIGHT...N to NW winds diminishing to 5 to 15 kt. Seas subsiding
to 7 to 9 ft.
.FRI...NW winds 5 to 15 kt, becoming W 10 to 20 kt. Seas 7 to 8 ft.
.FRI NIGHT...W to NW winds 15 to 20 kt. Seas 7 to 8 ft.
.SAT...NW winds 15 to 20 kt. Seas 8 to 9 ft.
.SAT NIGHT...NW winds 15 to 20 kt, becoming W 10 to 20 kt. Seas 8 to
10 ft.
.SUN...W to SW winds increasing to 20 to 30 kt. Seas building to 9
to 12 ft.
.SUN NIGHT...W winds 20 to 25 kt. Seas building to 11 to 14 ft.

$$

PZZ910-211715-
Cape Lookout to Florence, OR between 150 nm and 250 nm offshore-
801 PM PST Tue Feb 20 2018

.TONIGHT...N winds 15 to 25 kt. Seas 7 to 10 ft.
.WED...N to NW winds 15 to 20 kt. Seas 6 to 9 ft.
.WED NIGHT...NW winds 20 to 25 kt, becoming N 20 to 30 kt. Seas 6 to
10 ft.
.THU...N winds 20 to 30 kt. Seas building to 8 to 12 ft.
.THU NIGHT...N to NW winds diminishing to 10 to 15 kt. Seas becoming
8 to 9 ft.
.FRI...NW winds 10 to 15 kt, becoming W 15 to 20 kt. Seas 7 to 8 ft.
.FRI NIGHT...NW winds 15 to 20 kt. Seas 7 to 8 ft.
.SAT...NW winds 15 to 25 kt. Seas 8 to 9 ft.
.SAT NIGHT...NW winds 15 to 20 kt, becoming W 15 to 25 kt. Seas 9 to
10 ft.
.SUN...W winds 20 to 30 kt. Seas 9 to 12 ft.
.SUN NIGHT...W winds 20 to 30 kt. Seas building to 11 to 17 ft.

$$

PZZ815-211715-
Florence, OR to Point St. George between 60 nm and 150 nm
offshore-
801 PM PST Tue Feb 20 2018

...GALE WARNING...

.TONIGHT...N winds 15 to 25 kt. Seas 6 to 9 ft. Chance of rain.
.WED...N winds 15 to 25 kt. Seas 7 to 9 ft. Chance of rain.
.WED NIGHT...N to NW winds 15 to 20 kt, becoming NW 20 to 30 kt.
Seas 6 to 10 ft.
.THU...N winds 25 to 35 kt, diminishing to 20 to 30 kt. Seas
building to 9 to 13 ft.
.THU NIGHT...N winds 15 to 25 kt. Seas becoming 7 to 12 ft.
.FRI...N to NW winds diminishing to 5 to 15 kt, then becoming W to
NW 10 to 20 kt. Seas becoming 7 to 9 ft.
.FRI NIGHT...W to NW winds 10 to 20 kt. Seas 6 to 8 ft.
.SAT...NW winds 10 to 20 kt. Seas 7 to 9 ft.
.SAT NIGHT...W to NW winds 5 to 15 kt. Seas 7 to 9 ft.
.SUN...W winds increasing to 15 to 25 kt. Seas building to 8 to 12
ft.
.SUN NIGHT...W to NW winds 15 to 25 kt. Seas 7 to 12 ft.

$$

PZZ915-211715-
Florence, OR to Point St. George between 150 nm and 250 nm
offshore-
801 PM PST Tue Feb 20 2018

.TONIGHT...N winds 15 to 25 kt. Seas 7 to 11 ft.
.WED...N winds 15 to 25 kt. Seas 7 to 10 ft.
.WED NIGHT...N to NW winds 20 to 30 kt. Seas 7 to 10 ft.
.THU...N winds 20 to 30 kt. Seas building to 8 to 12 ft.
.THU NIGHT...N to NW winds 15 to 25 kt. Seas 8 to 12 ft.
.FRI...NW winds diminishing to 10 to 15 kt, then becoming W to NW 10
to 20 kt. Seas subsiding to 7 to 9 ft.
.FRI NIGHT...NW winds 15 to 20 kt, diminishing to 10 to 15 kt. Seas
7 to 8 ft.
.SAT...NW winds 15 to 20 kt. Seas 7 to 9 ft.
.SAT NIGHT...NW winds 10 to 15 kt, becoming W to NW 10 to 20 kt.
Seas 7 to 9 ft.
.SUN...W winds 15 to 25 kt. Seas building to 8 to 12 ft.
.SUN NIGHT...W winds 20 to 25 kt, becoming NW. Seas building to 9 to
14 ft.

$$

.Forecaster Shaw. Ocean Prediction Center.



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