Offshore Forecast
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FZPN25 KWBC 200338
OFFPZ5

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
838 PM PDT Thu Apr 19 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.

PZZ898-201615-
838 PM PDT Thu Apr 19 2018

.SYNOPSIS FOR WASHINGTON AND OREGON WATERS...A high pressure
ridge over the area will shift SE tonight into Fri as a cold
front approaches from the W. The cold front will pass E across
the waters late Fri into Fri night. Another ridge will build NE
over the area Sat and Sat night, and slowly weaken Sun through
Mon night. A low pressure trough will strengthen along the Oregon
coast Sat into Sun, and then slowly weaken Sun night into Mon
night. High pressure will rebuild towards the region Tue and Tue
night, as the low pressure trough along the Oregon coast
strengthens.

$$

PZZ800-201615-
Cape Flattery to Cape Shoalwater between 60 nm and 150 nm
offshore-
838 PM PDT Thu Apr 19 2018

.TONIGHT...S to SW winds 5 to 10 kt. Seas 6 to 8 ft.
.FRI...S winds 10 to 15 kt, increasing to 15 to 25 kt. Seas 6 to
11 ft. Rain developing.
.FRI NIGHT...S winds 20 to 30 kt, becoming W 20 to 25 kt. Seas
building to 9 to 13 ft. Rain.
.SAT...W winds 15 to 25 kt, diminishing to 10 to 15 kt. Seas
10 to 12 ft. Chance of showers.
.SAT NIGHT...W to NW winds 5 to 10 kt. Seas 8 to 10 ft.
.SUN...N to NW winds less than 10 kt. Seas 8 to 9 ft.
.SUN NIGHT...N to NW winds 10 to 20 kt, becoming N 5 to 15 kt.
Seas 6 to 8 ft.
.MON...N to NE winds less than 10 kt. Seas 5 to 7 ft.
.MON NIGHT...N winds 5 to 15 kt. Seas 6 to 9 ft.
.TUE...N winds 10 to 20 kt. Seas 9 to 10 ft.
.TUE NIGHT...NW winds 15 to 20 kt. Seas 9 to 10 ft.

$$

PZZ900-201615-
Cape Flattery to Cape Shoalwater between 150 nm and 250 nm
offshore-
838 PM PDT Thu Apr 19 2018

.TONIGHT...SW winds 10 to 15 kt, becoming S 10 to 20 kt. Seas
6 to 11 ft, highest W. Chance of rain.
.FRI...S winds increasing to 20 to 30 kt. Seas building to 8 to
14 ft. Rain.
.FRI NIGHT...Winds becoming W 20 to 30 kt. Seas 10 to 13 ft.
Chance of rain.
.SAT...W winds 15 to 20 kt, diminishing to 10 to 15 kt. Seas
10 to 12 ft.
.SAT NIGHT...W to SW winds 5 to 10 kt. Seas 8 to 10 ft.
.SUN...Variable winds 5 to 15 kt, becoming S 10 to 20 kt. Seas
7 to 9 ft.
.SUN NIGHT...S winds 10 to 20 kt. Seas 6 to 8 ft.
.MON...S winds 10 to 20 kt. Seas 5 to 9 ft.
.MON NIGHT...S winds less than 10 kt, becoming variable. Seas
6 to 10 ft.
.TUE...N to NW winds 5 to 15 kt. Seas 9 to 10 ft.
.TUE NIGHT...N to NW winds 10 to 20 kt. Seas 7 to 10 ft.

$$

PZZ805-201615-
Cape Shoalwater to Cape Lookout between 60 nm and 150 nm
offshore-
838 PM PDT Thu Apr 19 2018

.TONIGHT...W to SW winds 5 to 10 kt. Seas 6 to 7 ft.
.FRI...S winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 6 to
10 ft. Chance of rain.
.FRI NIGHT...S to SW winds 15 to 25 kt, becoming W. Seas building
to 8 to 13 ft. Rain, then scattered showers.
.SAT...W to NW winds 10 to 20 kt, diminishing to 5 to 15 kt.
Seas 10 to 12 ft.
.SAT NIGHT...N winds 5 to 15 kt. Seas 8 to 10 ft.
.SUN...N winds 5 to 15 kt. Seas 8 to 9 ft.
.SUN NIGHT...N winds 10 to 20 kt. Seas 6 to 8 ft.
.MON...N to NE winds 5 to 15 kt. Seas 5 to 7 ft.
.MON NIGHT...N winds 10 to 20 kt. Seas 6 to 8 ft.
.TUE...N winds 15 to 20 kt. Seas 9 to 10 ft.
.TUE NIGHT...N winds 15 to 25 kt. Seas 9 to 11 ft.

$$

PZZ905-201615-
Cape Shoalwater to Cape Lookout between 150 nm and 250 nm
offshore-
838 PM PDT Thu Apr 19 2018

.TONIGHT...S to SW winds 5 to 15 kt. Seas 6 to 10 ft.
.FRI...S winds 20 to 30 kt. Seas building to 8 to 13 ft. Chance
of rain.
.FRI NIGHT...Winds becoming W 20 to 30 kt. Seas 9 to 13 ft.
Rain.
.SAT...W to NW winds diminishing to 10 to 20 kt, then to 5 to 10
kt. Seas 9 to 12 ft.
.SAT NIGHT...W to NW winds 5 to 10 kt, becoming N to NW. Seas
8 to 10 ft.
.SUN...N winds 5 to 15 kt, becoming variable. Seas 8 to 9 ft.
.SUN NIGHT...Variable winds 5 to 15 kt. Seas 6 to 8 ft.
.MON...S to SE winds 5 to 15 kt, becoming N to NE. Seas 5 to
8 ft.
.MON NIGHT...N winds 5 to 15 kt. Seas becoming 6 to 10 ft.
.TUE...N winds 10 to 20 kt. Seas 9 to 10 ft.
.TUE NIGHT...N winds 15 to 20 kt. Seas 8 to 10 ft.

$$

PZZ810-201615-
Cape Lookout to Florence, OR between 60 nm and 150 nm offshore-
838 PM PDT Thu Apr 19 2018

.TONIGHT...N to NW winds 5 to 10 kt, becoming variable. Seas
6 to 7 ft.
.FRI...SW winds less than 10 kt, increasing to 10 to 20 kt. Seas
6 to 9 ft.
.FRI NIGHT...SW winds 15 to 25 kt, becoming NW. Seas building to
8 to 12 ft. Chance of rain.
.SAT...N to NW winds 5 to 15 kt. Seas 9 to 11 ft.
.SAT NIGHT...N winds 10 to 20 kt. Seas 8 to 10 ft.
.SUN...N winds 10 to 20 kt. Seas 8 to 9 ft.
.SUN NIGHT...N winds 10 to 20 kt. Seas 7 to 9 ft.
.MON...N winds 10 to 20 kt. Seas 6 to 8 ft.
.MON NIGHT...N winds 15 to 20 kt. Seas 6 to 8 ft.
.TUE...N winds 15 to 20 kt. Seas building to 9 to 11 ft.
.TUE NIGHT...N winds 20 to 25 kt. Seas 10 to 11 ft.

$$

PZZ910-201615-
Cape Lookout to Florence, OR between 150 nm and 250 nm offshore-
838 PM PDT Thu Apr 19 2018

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

$$

PZZ815-201615-
Florence, OR to Point St. George between 60 nm and 150 nm
offshore-
838 PM PDT Thu Apr 19 2018

.TONIGHT...N winds 10 to 20 kt, becoming N to NW 5 to 15 kt.
Seas 6 to 7 ft.
.FRI...Variable winds 5 to 15 kt, becoming W to SW. Seas 6 to
8 ft.
.FRI NIGHT...SW winds 15 to 25 kt, becoming NW 10 to 20 kt. Seas
building to 7 to 11 ft. Slight chance of rain.
.SAT...N winds 15 to 25 kt. Seas 9 to 11 ft.
.SAT NIGHT...N winds 20 to 30 kt. Seas 8 to 12 ft.
.SUN...N winds 20 to 30 kt. Seas 8 to 13 ft.
.SUN NIGHT...N winds 15 to 25 kt. Seas 8 to 11 ft.
.MON...N winds 15 to 25 kt. Seas subsiding to 6 to 9 ft.
.MON NIGHT...N to NW winds 15 to 25 kt. Seas 6 to 8 ft.
.TUE...N to NW winds 15 to 20 kt. Seas becoming 9 to 10 ft.
.TUE NIGHT...N winds 15 to 25 kt. Seas 9 to 11 ft.

$$

PZZ915-201615-
Florence, OR to Point St. George between 150 nm and 250 nm
offshore-
838 PM PDT Thu Apr 19 2018

.TONIGHT...W to SW winds 5 to 10 kt. Seas 6 to 7 ft.
.FRI...SW winds increasing to 15 to 25 kt. Seas building to
7 to 11 ft.
.FRI NIGHT...W to SW winds 15 to 25 kt, becoming NW 10 to 20 kt.
Seas 8 to 12 ft. Chance of rain.
.SAT...N to NW winds 5 to 15 kt. Seas 9 to 11 ft.
.SAT NIGHT...N winds 10 to 20 kt. Seas 8 to 10 ft.
.SUN...N to NE winds 15 to 25 kt. Seas 8 to 10 ft.
.SUN NIGHT...N winds 10 to 20 kt. Seas 6 to 10 ft.
.MON...N to NE winds 10 to 20 kt. Seas 5 to 9 ft.
.MON NIGHT...N winds 10 to 20 kt, diminishing to 5 to 15 kt.
Seas 6 to 9 ft.
.TUE...N winds 10 to 20 kt. Seas building to 9 to 10 ft.
.TUE NIGHT...N winds 15 to 25 kt. Seas 9 to 11 ft.

$$

.Forecaster Mills. Ocean Prediction Center.



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