Coastal Waters Forecast for Oregon / Washington

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Coastal Waters Forecast
National Weather Service Portland, OR
220 am pst thu dec 12 2019

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

pzz200-130030-
220 am pst thu dec 12 2019

.synopsis for the southern washington and northern oregon coast...
a showery weather pattern will produce periods of gusty winds
and large seas through early friday. a weak surface low
pressure will likely move southeastward towards california
saturday before weak high pressure shifts across the waters on
sunday. offshore flow will likely develop early next week.

$$

pzz250-255-130030-
coastal waters from cape shoalwater wa to cascade head or out
10 nm-coastal waters from cascade head to florence or out 10 nm-
220 am pst thu dec 12 2019

...small craft advisory in effect through late tonight...

.today...sw wind 15 to 20 kt with gusts to 25 kt, rising to
20 to 25 kt with gusts to 30 kt during the late morning and
midday hours before subsiding back down to 15 to 20 kt with
gusts to 25 kt in the mid to late afternoon. there could be an
hour or so with gusts up to 35 kt with any stronger shower or
thunderstorm during the late morning or midday hours. wind
waves sw 5 ft at 7 seconds. w swell 12 ft at 13 seconds,
building to 18 ft at 16 seconds. showers. slight chance of
tstms.
.tonight...w wind 15 to 20 kt with gusts to 25 kt, becoming sw
10 to 15 kt with gusts to 20 kt after midnight. wind waves sw
3 ft at 6 seconds. w swell 18 ft at 16 seconds. showers. slight
chance of tstms in the evening.
.fri...sw wind 5 to 10 kt. gusts to 15 kt early in the morning.
wind waves sw 2 ft at 4 seconds. w swell 17 ft at 16 seconds.
showers likely.
.fri night...s wind 10 kt. wind waves sw 1 ft at 4 seconds. w
swell 14 ft at 15 seconds. chance of showers.
.sat...se wind 10 kt with gusts to 15 kt. wind waves s 2 ft at
4 seconds. w swell 12 ft at 14 seconds. chance of showers.
.sat night...e wind 10 kt. gusts to 15 kt in the evening. wind
waves se 1 ft at 4 seconds. w swell 9 ft at 13 seconds. chance
of showers.
.sun...s wind 10 kt. wind waves 2 ft. w swell 10 ft.
.mon...se wind 10 to 15 kt. wind waves 3 ft. w swell 8 ft.

$$

pzz270-275-130030-
waters from cape shoalwater wa to cascade head or from 10 to
60 nm-waters from cascade head to florence or from 10 to 60 nm-
220 am pst thu dec 12 2019

...small craft advisory in effect through late tonight...

.today...sw wind 15 to 20 kt with gusts to 25 kt, rising to
20 to 25 kt with gusts to 30 kt during the late morning and
midday hours before subsiding back down to 15 to 20 kt with
gusts to 25 kt in the mid to late afternoon. there could be an
hour or so with gusts up to 35 kt with any stronger shower or
thunderstorm during the late morning or midday hours. wind
waves sw 5 ft at 7 seconds. w swell 12 ft at 13 seconds,
building to 18 ft at 16 seconds. showers. slight chance of
tstms.
.tonight...w wind 15 to 20 kt with gusts to 25 kt, becoming sw
10 to 15 kt with gusts to 20 kt after midnight. wind waves sw
3 ft at 6 seconds. w swell 18 ft at 16 seconds. showers. slight
chance of tstms in the evening.
.fri...w wind 5 to 10 kt. gusts to 15 kt in the morning. wind
waves w 2 ft at 4 seconds. w swell 17 ft at 16 seconds. chance
of showers.
.fri night...sw wind 10 kt. wind waves w 1 ft at 4 seconds. w
swell 14 ft at 15 seconds. chance of showers.
.sat...se wind 10 to 15 kt with gusts to 20 kt. wind waves s
3 ft at 5 seconds. w swell 12 ft at 14 seconds. chance of
showers.
.sat night...e wind 10 to 15 kt. gusts to 20 kt, becoming 15 kt
after midnight. wind waves s 2 ft at 4 seconds. w swell 9 ft at
13 seconds. chance of showers.
.sun...sw wind 10 kt. wind waves 3 ft. w swell 10 ft.
.mon...se wind 10 to 15 kt. wind waves 4 ft. w swell 8 ft.

$$

pzz210-130030-
columbia river bar-
220 am pst thu dec 12 2019

...small craft advisory in effect through late tonight...


.in the main channel...

- general seas...12 to 14 ft early this morning increasing to 17
  to 19 ft towards midday thursday where seas will linger
  through thursday night.

- first ebb...around 430 am thursday. seas near 16 ft with
  breakers.

- second ebb...very strong. around 445 pm thursday. seas near
  20 ft with breakers.

- third ebb...around 515 am friday. seas near 20 ft with
  breakers.


$$


weather.gov/portland