Coastal Waters Forecast for Oregon / Washington

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Coastal Waters Forecast
National Weather Service Portland, OR
643 pm pdt thu sep 24 2020

coastal waters from cape shoalwater washington to florence oregon
and westward 60 nm

pzz200-251115-
643 pm pdt thu sep 24 2020

.synopsis for the southern washington and northern oregon coast...
a broad area of low pressure over the gulf of alaska will bring
hazardous seas to the coastal waters through friday. a front
will move over the waters from the southern gulf of alaska on
friday morning, bringing another round of gale force winds.
high pressure begins building on saturday and strengthens on
sunday, bringing much less wind and falling seas.

$$

pzz250-251115-
coastal waters from cape shoalwater wa to cascade head or out
10 nm-
643 pm pdt thu sep 24 2020

...small craft advisory in effect until 2 am pdt friday...
...gale warning in effect from 2 am pdt friday through friday
morning...

.rest of tonight...s wind 15 to 20 kt with gusts to 25 kt,
rising to 25 to 30 kt with gusts to 35 kt after midnight.
combined seas 15 ft with a dominant period of 15 seconds. rain.
.fri...s wind 25 to 30 kt with gusts between 35 and 40 kt,
becoming sw 10 to 15 kt with gusts to 20 kt in the afternoon.
combined seas 16 ft with a dominant period of 14 seconds. rain
in the morning, then showers in the afternoon.
.fri night...sw wind 10 to 15 kt, easing to 5 to 10 kt after
midnight. wind waves sw 2 ft at 4 seconds. w swell 11 ft at
12 seconds. showers likely.
.sat...sw wind 5 to 10 kt. wind waves sw 1 ft at 4 seconds. w
swell 8 ft at 11 seconds. chance of showers.
.sat night...s wind 5 to 10 kt. wind waves s 1 ft at 4 seconds.
w swell 6 ft at 10 seconds. chance of showers.
.sun...e wind 5 to 10 kt. wind waves 2 ft. w swell 6 ft.
.sun night...n wind 5 to 10 kt with gusts to 15 kt. wind waves
2 ft. w swell 5 ft.
.mon...ne wind 10 to 15 kt. wind waves 3 ft. w swell 9 ft.
.tue...e wind 10 to 15 kt. wind waves 3 ft. w swell 7 ft.

$$

pzz255-251115-
coastal waters from cascade head to florence or out 10 nm-
643 pm pdt thu sep 24 2020

...small craft advisory in effect until 5 am pdt friday...
...gale warning in effect from 5 am pdt friday through friday
afternoon...

.rest of tonight...s wind 10 to 15 kt, rising to 20 to 25 kt
with gusts to 30 kt after midnight. wind waves s 4 ft at
6 seconds. w swell 13 ft at 14 seconds. chance of rain after
midnight.
.fri...s wind 25 to 30 kt with gusts to 35 kt. combined seas
15 ft with a dominant period of 14 seconds. rain in the
morning, then showers in the afternoon.
.fri night...sw wind 10 to 15 kt, becoming s 5 to 10 kt after
midnight. wind waves s 2 ft at 4 seconds. w swell 11 ft at
12 seconds. showers likely.
.sat...sw wind 5 kt. wind waves sw 1 ft at 4 seconds. w swell
8 ft at 11 seconds. chance of showers.
.sat night...nw wind to 5 kt, backing to s after midnight. wind
waves nw 1 ft at 4 seconds, shifting to the s at 4 seconds
after midnight. w swell 6 ft at 10 seconds.
.sun...ne wind 5 to 10 kt with gusts to 15 kt. wind waves 2 ft.
w swell 6 ft.
.sun night...n wind 5 to 10 kt with gusts to 15 kt. wind waves
2 ft. w swell 5 ft.
.mon...ne wind 10 to 15 kt. wind waves 3 ft. nw swell 9 ft.
.tue...e wind 5 kt. wind waves 2 ft. w swell 7 ft.

$$

pzz270-251115-
waters from cape shoalwater wa to cascade head or from 10 to
60 nm-
643 pm pdt thu sep 24 2020

...small craft advisory in effect until 2 am pdt friday...
...gale warning in effect from 2 am pdt friday through friday
morning...

.rest of tonight...s wind 20 to 25 kt, rising to 25 to 30 kt
with gusts to 35 kt after midnight. combined seas 16 ft with a
dominant period of 15 seconds. rain.
.fri...sw wind 25 to 30 kt with gusts to 35 kt, becoming w
15 to 20 kt in the afternoon. combined seas 18 ft with a
dominant period of 13 seconds in the morning. rain in the
morning, then showers likely in the afternoon.
.fri night...w wind 10 to 15 kt. gusts to 20 kt early in the
evening. wind waves w 2 ft at 4 seconds. w swell 11 ft at
12 seconds. chance of showers.
.sat...sw wind 5 to 10 kt. gusts to 15 kt in the afternoon.
wind waves sw 1 ft at 4 seconds. w swell 9 ft at 11 seconds.
chance of showers.
.sat night...sw wind 5 to 10 kt. wind waves sw 1 ft at
4 seconds. w swell 7 ft at 10 seconds.
.sun...se wind 5 to 10 kt. wind waves 1 ft. w swell 6 ft.
.sun night...n wind 5 to 10 kt with gusts to 15 kt. wind waves
2 ft. w swell 6 ft.
.mon...n wind 15 to 20 kt. wind waves 4 ft. w swell 9 ft.
.tue...e wind 10 to 15 kt. wind waves 4 ft. w swell 8 ft.

$$

pzz275-251115-
waters from cascade head to florence or from 10 to 60 nm-
643 pm pdt thu sep 24 2020

...small craft advisory in effect until 5 am pdt friday...
...gale warning in effect from 5 am pdt friday through friday
afternoon...

.rest of tonight...s wind 10 to 15 kt with gusts to 20 kt,
rising to 20 to 25 kt with gusts to 30 kt after midnight. wind
waves s 5 ft at 6 seconds. w swell 13 ft at 14 seconds. chance
of rain.
.fri...sw wind 25 to 30 kt with gusts to 35 kt, easing to 15 to
20 kt in the afternoon. combined seas 15 ft with a dominant
period of 14 seconds. rain in the morning, then showers in the
afternoon.
.fri night...sw wind 5 to 10 kt. gusts to 15 kt early in the
evening. wind waves sw 1 ft at 4 seconds. w swell 11 ft at
12 seconds. chance of showers.
.sat...sw wind 5 kt. wind waves sw 1 ft at 4 seconds. w swell
8 ft at 11 seconds. chance of showers.
.sat night...n wind to 5 kt. wind waves nw 1 ft at 4 seconds. w
swell 6 ft at 10 seconds.
.sun...ne wind 5 to 10 kt with gusts to 15 kt. wind waves 2 ft.
w swell 6 ft.
.sun night...n wind 10 to 15 kt. wind waves 2 ft. w swell 5 ft.
.mon...ne wind 15 to 20 kt. wind waves 4 ft. nw swell 9 ft.
.tue...e wind 10 to 15 kt. wind waves 3 ft. w swell 7 ft.

$$

pzz210-251115-
columbia river bar-
643 pm pdt thu sep 24 2020

...small craft advisory in effect through saturday morning...

.in the main channel...

- general seas...14 to 16 ft through friday easing to near 12
  ft by saturday.

- first ebb...around 12 am friday. seas to 18 ft with breakers
  likely.

- second ebb...around 1245 pm friday. seas to 17 ft with
  breakers likely.

- third ebb...around 1 am saturday. seas to 15 ft with breakers
  likely.


$$


weather.gov/portland