Offshore Forecast
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FZPN25 KWBC 170324
OFFPZ5

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
724 PM PST Sat Dec 16 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.

PZZ898-171745-
724 PM PST Sat Dec 16 2017

.SYNOPSIS FOR WASHINGTON AND OREGON WATERS...A high pressure
ridge across the region will weaken tonight, as a warm front
moves E across the N waters. A cold front will approach the NW
portion later tonight and slowly move SE across the waters Sun
and Sun night before becoming nearly stationary by Mon morning.
The front will lift N over the area as a warm front Mon and Mon
night. Low pressure will strengthen and move into the Washington
waters Mon night along the front and pull a strong cold front
into the waters. The low will move N of the region Tue and the
front will move SE across the waters Tue then pass S of the area
Tue afternoon. Strong high pres will build in from the W and NW
Tue night and Wed and weaken while moving into the W waters Wed
night and Thu. A weak coastal trough will develop E of the waters
Thu and Thu night.

$$

PZZ800-171745-
Cape Flattery to Cape Shoalwater between 60 nm and 150 nm
offshore-
724 PM PST Sat Dec 16 2017

...GALE FORCE WINDS POSSIBLE TUE NIGHT...

.TONIGHT...S to SW winds 15 to 20 kt, becoming W to SW 10 to
20 kt. Seas 6 to 11 ft. Rain with VSBY 1 nm or less.
.SUN...W winds 10 to 15 kt, becoming 10 to 20 kt. Seas 9 to
11 ft.
.SUN NIGHT...W winds 10 to 20 kt, becoming NW 10 to 15 kt. Seas
8 to 10 ft. Chance of rain.
.MON...NW winds 10 to 15 kt, becoming variable. Seas 7 to 9 ft.
.MON NIGHT...S to SW winds increasing to 20 to 30 kt. Seas
building to 8 to 13 ft.
.TUE...SW winds 20 to 30 kt, becoming NW. Seas 11 to 14 ft.
.TUE NIGHT...N to NW winds 25 to 35 kt. Seas 12 to 16 ft.
.WED...N winds 20 to 30 kt. Seas 10 to 16 ft.
.WED NIGHT...N to NW winds diminishing to 5 to 15 kt, becoming
SE. Seas subsiding to 7 to 11 ft.
.THU...S to SE winds 5 to 15 kt. Seas subsiding to 6 to 7 ft.
.THU NIGHT...E to SE winds less than 10 kt, becoming E to NE.
Seas 6 to 7 ft.

$$

PZZ900-171745-
Cape Flattery to Cape Shoalwater between 150 nm and 250 nm
offshore-
724 PM PST Sat Dec 16 2017

...GALE FORCE WINDS POSSIBLE TUE NIGHT...

.TONIGHT...W winds 10 to 20 kt. Seas 8 to 13 ft. Chance of rain
with VSBY 1 nm or less.
.SUN...W winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 9 to
12 ft. Chance of rain.
.SUN NIGHT...W to NW winds 10 to 20 kt, becoming NW 10 to 15 kt.
Seas 8 to 10 ft. Chance of rain.
.MON...N to NW winds 5 to 10 kt, becoming E 5 to 15 kt. Seas
7 to 11 ft.
.MON NIGHT...Winds becoming SW and increasing to 20 to 30 kt.
Seas building to 9 to 14 ft.
.TUE...Winds veering to NW 20 to 30 kt. Seas 11 to 14 ft.
.TUE NIGHT...N to NW winds increasing to 30 to 40 kt becoming 25
to 35 kt. Seas 12 to 16 ft.
.WED...N winds 20 to 30 kt. Seas 10 to 16 ft.
.WED NIGHT...N winds diminishing to 10 to 20 kt, becoming 5 to
15 kt. Seas subsiding to 7 to 11 ft.
.THU...N to NW winds less than 10 kt, becoming variable. Seas
subsiding to 6 to 7 ft.
.THU NIGHT...Variable winds less than 10 kt, becoming N to NW.
Seas 5 to 7 ft.

$$

PZZ805-171745-
Cape Shoalwater to Cape Lookout between 60 nm and 150 nm
offshore-
724 PM PST Sat Dec 16 2017

...GALE FORCE WINDS POSSIBLE TUE...

.TONIGHT...S to SW winds 10 to 20 kt. Seas 5 to 9 ft. Rain.
.SUN...W winds 10 to 15 kt, becoming 10 to 20 kt. Seas 7 to
10 ft.
.SUN NIGHT...W winds 10 to 20 kt, becoming 10 to 15 kt. Seas
8 to 10 ft.
.MON...W to NW winds 5 to 15 kt, becoming variable. Seas 7 to
8 ft.
.MON NIGHT...SW winds increasing to 20 to 30 kt. Seas building to 7
to 12 ft.
.TUE...SW winds 25 to 35 kt, becoming NW 20 to 30 kt. Seas 10 to
14 ft.
.TUE NIGHT...NW winds 25 to 35 kt. Seas 12 to 15 ft.
.WED...N to NW winds 20 to 30 kt, becoming N 10 to 20 kt. Seas
12 to 16 ft.
.WED NIGHT...N to NW winds 5 to 15 kt, becoming variable. Seas
subsiding to 7 to 11 ft.
.THU...Variable winds less than 10 kt. Seas subsiding to 6 to 8
ft.
.THU NIGHT...N winds less than 10 kt, increasing to 5 to 15 kt.
Seas 6 to 7 ft.

$$

PZZ905-171745-
Cape Shoalwater to Cape Lookout between 150 nm and 250 nm
offshore-
724 PM PST Sat Dec 16 2017

...GALE FORCE WINDS POSSIBLE TUE NIGHT...

.TONIGHT...W winds 15 to 20 kt. Seas 6 to 11 ft. Rain.
.SUN...W winds 10 to 15 kt, becoming 10 to 20 kt. Seas 8 to
11 ft.
.SUN NIGHT...W winds 10 to 20 kt, diminishing to 5 to 15 kt.
Seas 8 to 10 ft.
.MON...N winds less than 10 kt, becoming S to SW 10 to 20 kt.
Seas 7 to 10 ft.
.MON NIGHT...SW winds 20 to 30 kt. Seas building to 8 to 14 ft.
.TUE...W to SW winds 20 to 30 kt, becoming NW. Seas 11 to 14 ft.
.TUE NIGHT...NW winds 25 to 35 kt. Seas 11 to 15 ft.
.WED...N to NW winds 20 to 30 kt, becoming N 15 to 20 kt. Seas
10 to 15 ft.
.WED NIGHT...N winds 10 to 15 kt, diminishing to 5 to 10 kt.
Seas subsiding to 7 to 11 ft.
.THU...N to NW winds less than 5 kt, becoming variable. Seas
subsiding to 6 to 8 ft.
.THU NIGHT...N winds less than 10 kt. Seas 6 to 7 ft.

$$

PZZ810-171745-
Cape Lookout to Florence, OR between 60 nm and 150 nm offshore-
724 PM PST Sat Dec 16 2017

...GALE FORCE WINDS POSSIBLE TUE...

.TONIGHT...W to SW winds 5 to 15 kt. Seas 5 to 7 ft. Chance of
rain.
.SUN...W winds 10 to 15 kt. Seas 5 to 9 ft.
.SUN NIGHT...W to SW winds 5 to 15 kt. Seas 8 to 9 ft.
.MON...W to SW winds 5 to 10 kt. Seas 7 to 8 ft.
.MON NIGHT...SW winds 10 to 15 kt, increasing to 15 to 25 kt.
Seas 7 to 10 ft.
.TUE...W to SW winds increasing to 25 to 35 kt. Seas building to 9
to 14 ft.
.TUE NIGHT...Winds veering to NW 25 to 30 kt. Seas 11 to 14 ft.
.WED...NW winds 25 to 30 kt, becoming N 10 to 20 kt. Seas 10 to
14 ft.
.WED NIGHT...N winds 5 to 15 kt, diminishing to less than 10 kt.
Seas subsiding to 8 to 11 ft.
.THU...N to NE winds 5 to 10 kt. Seas subsiding to 6 to 8 ft.
.THU NIGHT...N to NE winds 10 to 15 kt. Seas 6 to 7 ft.

$$

PZZ910-171745-
Cape Lookout to Florence, OR between 150 nm and 250 nm offshore-
724 PM PST Sat Dec 16 2017

...GALE FORCE WINDS POSSIBLE TUE...

.TONIGHT...W winds 10 to 15 kt, becoming 10 to 20 kt. Seas 5 to
9 ft.
.SUN...W winds 10 to 20 kt. Seas 6 to 10 ft.
.SUN NIGHT...W winds 5 to 15 kt. Seas 7 to 9 ft.
.MON...W winds 5 to 10 kt, becoming SW 10 to 20 kt. Seas 7 to
9 ft.
.MON NIGHT...SW winds 15 to 20 kt, increasing to 20 to 30 kt.
Seas building to 8 to 12 ft.
.TUE...SW winds 25 to 35 kt, becoming NW 20 to 25 kt. Seas 10 to
14 ft.
.TUE NIGHT...NW winds 20 to 30 kt. Seas 10 to 13 ft.
.WED...NW winds 20 to 30 kt, becoming N 15 to 20 kt. Seas 9 to
13 ft.
.WED NIGHT...N winds 10 to 15 kt, diminishing to 5 to 10 kt.
Seas 8 to 11 ft.
.THU...N to NE winds 5 to 10 kt. Seas subsiding to 6 to 8 ft.
.THU NIGHT...N to NE winds 5 to 10 kt, becoming 5 to 15 kt. Seas
6 to 7 ft.

$$

PZZ815-171745-
Florence, OR to Point St. George between 60 nm and 150 nm
offshore-
724 PM PST Sat Dec 16 2017

...GALE FORCE WINDS POSSIBLE TUE...

.TONIGHT...N to NW winds 5 to 15 kt. Seas 5 to 7 ft.
.SUN...NW winds 5 to 15 kt. Seas 5 to 8 ft.
.SUN NIGHT...N to NW winds 5 to 15 kt. Seas 6 to 8 ft.
.MON...W to NW winds less than 10 kt. Seas 7 to 8 ft.
.MON NIGHT...W to SW winds 5 to 15 kt, becoming SW 15 to 25 kt.
Seas 7 to 10 ft.
.TUE...SW winds 20 to 30 kt, increasing to 25 to 35 kt. Seas
building to 8 to 13 ft.
.TUE NIGHT...Winds veering to NW 20 to 25 kt. Seas 8 to 13 ft.
.WED...NW winds 20 to 30 kt, becoming N to NW 15 to 20 kt. Seas
9 to 12 ft.
.WED NIGHT...N winds 5 to 15 kt. Seas 8 to 11 ft.
.THU...N to NE winds 10 to 20 kt. Seas 7 to 10 ft.
.THU NIGHT...N to NE winds 10 to 20 kt. Seas 6 to 8 ft.

$$

PZZ915-171745-
Florence, OR to Point St. George between 150 nm and 250 nm
offshore-
724 PM PST Sat Dec 16 2017

.TONIGHT...W to NW winds 10 to 15 kt. Seas 5 to 8 ft.
.SUN...W to NW winds 5 to 15 kt. Seas 5 to 9 ft.
.SUN NIGHT...W to NW winds 5 to 15 kt, becoming W 5 to 10 kt.
Seas 7 to 8 ft.
.MON...W winds 5 to 10 kt, becoming SW 5 to 15 kt. Seas 7 to
8 ft.
.MON NIGHT...SW winds increasing to 15 to 25 kt. Seas 7 to 11
ft.
.TUE...W to SW winds 20 to 30 kt. Seas 9 to 13 ft.
.TUE NIGHT...Winds veering to NW 20 to 30 kt. Seas 9 to 13 ft.
.WED...N to NW winds 15 to 25 kt. Seas 7 to 12 ft.
.WED NIGHT...N winds diminishing to 5 to 15 kt. Seas 7 to 10 ft.
.THU...N to NE winds 5 to 15 kt. Seas 6 to 8 ft.
.THU NIGHT...NE winds 5 to 15 kt. Seas 6 to 8 ft.

$$

.Forecaster Nolt. Ocean Prediction Center.


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