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Coastal Waters Forecast for Oregon / Washington

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Coastal Waters Forecast
National Weather Service Portland, OR
202 pm pst thu nov 30 2023

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

pzz200-011500-
202 pm pst thu nov 30 2023

.synopsis for the southern washington and northern oregon coast...
a cold front will continue moving through the waters tonight,
with southerly winds gradually strengthening. friday and into
the weekend, a series of systems will maintain southerly to
westerly winds with building winds and seas. overall, a very
active weather pattern is expected for the latter part of the
week and into the start of the upcoming week.

$$

pzz251-011500-
coastal waters from cape shoalwater wa to cape falcon or out
10 nm-
202 pm pst thu nov 30 2023

...small craft advisory in effect through late tonight...
...gale warning in effect from late tonight through friday
morning...
...hazardous seas warning in effect from friday morning through
late friday night...

.tonight...w wind 10 to 15 kt with gusts to 20 kt, becoming sw
25 to 30 kt with gusts to 40 kt after midnight. combined seas
10 ft with a dominant period of 13 seconds. chance of rain in
the evening, then showers and a slight chance of tstms after
midnight.
.fri...w wind 25 to 30 kt with gusts to 40 kt, easing to 20 to
25 kt with gusts to 30 kt in the afternoon. combined seas 12 ft
with a dominant period of 0 seconds in the morning. chance of
showers in the morning. slight chance of tstms. rain in the
afternoon.
.fri night...sw wind 20 to 25 kt. gusts to 30 kt, becoming
35 kt after midnight. combined seas 15 ft with a dominant
period of 13 seconds. showers and a slight chance of tstms.
.sat...w wind 20 to 25 kt with gusts to 30 kt, becoming sw
10 to 15 kt with gusts to 20 kt in the afternoon. wind waves sw
4 ft at 5 seconds. swell w 14 ft at 14 seconds. rain.
.sat night...s wind 20 to 25 kt with gusts to 30 kt, becoming
sw 25 to 30 kt with gusts to 35 kt after midnight. combined
seas 14 ft with a dominant period of 15 seconds. rain.
.sun...sw wind 25 to 30 kt, easing to 20 to 25 kt in the
afternoon. gusts to 40 kt. combined seas 15 ft with a dominant
period of 14 seconds. rain.
.sun night...sw wind 10 to 15 kt with gusts to 30 kt, becoming
s 15 to 20 kt with gusts to 25 kt after midnight. wind waves s
4 ft at 4 seconds. swell w 12 ft at 12 seconds. rain.
.mon...s wind 20 to 25 kt, rising to 25 to 30 kt. gusts to
40 kt. combined seas 15 ft with a dominant period of
15 seconds.
.tue...s wind 20 to 25 kt with gusts to 35 kt, easing to 10 to
15 kt with gusts to 20 kt. combined seas 13 ft with a dominant
period of 14 seconds.

$$

pzz252-011500-
coastal waters from cape falcon to cape foulweather or out
10 nm-
202 pm pst thu nov 30 2023

...small craft advisory in effect through late tonight...
...gale warning in effect from late tonight through friday
morning...
...hazardous seas warning in effect from friday morning through
late friday night...

.tonight...w wind 10 to 15 kt with gusts to 20 kt, becoming sw
25 to 30 kt with gusts to 40 kt after midnight. combined seas
13 ft with a dominant period of 12 seconds after midnight.
chance of rain in the evening, then showers and a slight chance
of tstms after midnight.
.fri...w wind 25 to 30 kt with gusts to 40 kt, easing to 20 to
25 kt with gusts to 30 kt in the afternoon. combined seas 16 ft
with a dominant period of 11 seconds. showers likely in the
morning. slight chance of tstms. rain in the afternoon.
.fri night...sw wind 20 to 25 kt with gusts to 35 kt, rising to
25 to 30 kt with gusts to 40 kt after midnight. combined seas
15 ft with a dominant period of 13 seconds. showers and a
slight chance of tstms in the evening, then rain after
midnight.
.sat...sw wind 20 to 25 kt. gusts to 35 kt, becoming 30 kt in
the morning, then becoming 30 kt late in the afternoon.
combined seas 16 ft with a dominant period of 15 seconds. rain.
.sat night...s wind 30 to 35 kt. gusts to 50 kt. combined seas
19 ft with a dominant period of 15 seconds. rain.
.sun...sw wind 30 to 40 kt, easing to 25 to 30 kt in the
afternoon. gusts to 50 kt, becoming 55 kt in the late morning
and early afternoon, then45 kt late in the afternoon. combined
seas 18 ft with a dominant period of 13 seconds. rain.
.sun night...s wind 15 kt with gusts to 40 kt, rising to 20 to
25 kt with gusts to 30 kt after midnight. combined seas 15 ft
with a dominant period of 12 seconds. rain.
.mon...s wind 20 to 25 kt with gusts to 40 kt. combined seas
15 ft with a dominant period of 15 seconds.
.tue...s wind 20 to 25 kt with gusts to 35 kt, easing to 10 to
15 kt with gusts to 25 kt. combined seas 14 ft with a dominant
period of 14 seconds.

$$

pzz253-011500-
coastal waters from cape foulweather to florence or out 10 nm-
202 pm pst thu nov 30 2023

...small craft advisory in effect through late tonight...
...gale warning in effect from late tonight through friday
morning...
...hazardous seas warning in effect from friday morning through
late friday night...

.tonight...sw wind 10 to 15 kt with gusts to 20 kt, rising to
25 to 30 kt with gusts to 35 kt after midnight. combined seas
14 ft with a dominant period of 12 seconds after midnight.
chance of rain in the evening, then showers and a slight chance
of tstms after midnight.
.fri...w wind 20 to 25 kt with gusts to 35 kt, easing to 15 to
20 kt with gusts to 25 kt in the afternoon. combined seas 15 ft
with a dominant period of 11 seconds. rain. slight chance of
tstms in the afternoon.
.fri night...sw wind 20 to 25 kt with gusts to 30 kt. wind
waves sw 6 ft at 7 seconds. swell w 12 ft at 12 seconds. rain.
.sat...sw wind 20 to 25 kt with gusts to 30 kt, easing to 15 to
20 kt with gusts to 25 kt in the afternoon. wind waves sw 4 ft
at 6 seconds. swell nw 13 ft at 14 seconds. rain.
.sat night...s wind 25 to 30 kt, becoming sw 30 to 35 kt after
midnight. gusts to 45 kt overnight. combined seas 18 ft with a
dominant period of 15 seconds. rain.
.sun...sw wind 30 to 35 kt, easing to 25 to 30 kt in the
afternoon. gusts to 50 kt, becoming 45 kt late in the
afternoon. combined seas 18 ft with a dominant period of
14 seconds. rain.
.sun night...s wind 20 to 25 kt. gusts to 40 kt, becoming 30 kt
in the late evening and early morning, then35 kt early in the
morning. combined seas 17 ft with a dominant period of
12 seconds, subsiding to 13 ft with a dominant period of
12 seconds after midnight. rain.
.mon...s wind 20 to 25 kt with gusts to 40 kt. combined seas
14 ft with a dominant period of 15 seconds.
.tue...s wind 20 to 25 kt with gusts to 35 kt, easing to 15 to
20 kt with gusts to 30 kt. combined seas 14 ft with a dominant
period of 14 seconds.

$$

pzz271-011500-
waters from cape shoalwater wa to cape falcon or from 10 to
60 nm-
202 pm pst thu nov 30 2023

...small craft advisory in effect through late tonight...
...gale warning in effect from late tonight through friday
morning...
...hazardous seas warning in effect from friday morning through
late friday night...

.tonight...w wind 15 to 20 kt with gusts to 25 kt, becoming sw
25 to 30 kt with gusts to 40 kt after midnight. combined seas
14 ft with a dominant period of 12 seconds after midnight.
chance of rain in the evening, then showers and a slight chance
of tstms after midnight.
.fri...w wind 25 to 30 kt with gusts to 40 kt, easing to 20 to
25 kt with gusts to 35 kt in the afternoon. combined seas 16 ft
with a dominant period of 11 seconds. showers likely in the
morning. slight chance of tstms. rain in the afternoon.
.fri night...sw wind 20 to 25 kt with gusts to 35 kt. combined
seas 16 ft with a dominant period of 13 seconds. rain.
.sat...w wind 20 to 25 kt with gusts to 35 kt, becoming sw
10 to 15 kt with gusts to 25 kt in the afternoon. combined seas
16 ft with a dominant period of 15 seconds. rain.
.sat night...s wind 20 to 25 kt with gusts to 35 kt, becoming
sw 25 to 30 kt with gusts to 40 kt after midnight. combined
seas 15 ft with a dominant period of 15 seconds. rain.
.sun...sw wind 25 to 30 kt, easing to 20 to 25 kt in the
afternoon. gusts to 45 kt, becoming 40 kt late in the
afternoon. combined seas 15 ft with a dominant period of
14 seconds. rain.
.sun night...sw wind 10 to 15 kt with gusts to 30 kt, becoming
s 15 to 20 kt with gusts to 25 kt after midnight. wind waves s
4 ft at 5 seconds. swell w 13 ft at 12 seconds and w 7 ft at
17 seconds. rain.
.mon...s wind 25 to 30 kt with gusts to 40 kt. combined seas
16 ft with a dominant period of 15 seconds.
.tue...s wind 20 to 25 kt with gusts to 35 kt, becoming sw
10 to 15 kt with gusts to 20 kt. combined seas 13 ft with a
dominant period of 14 seconds.

$$

pzz272-011500-
waters from cape falcon to cape foulweather or from 10 to 60 nm-
202 pm pst thu nov 30 2023

...small craft advisory in effect through late tonight...
...gale warning in effect from late tonight through friday
morning...
...hazardous seas warning in effect from friday morning through
late friday night...

.tonight...w wind 10 to 15 kt with gusts to 20 kt, becoming sw
25 to 30 kt with gusts to 40 kt after midnight. combined seas
15 ft with a dominant period of 13 seconds after midnight.
rain.
.fri...w wind 25 to 30 kt with gusts to 40 kt, easing to 20 to
25 kt with gusts to 30 kt in the afternoon. combined seas 16 ft
with a dominant period of 11 seconds. rain. slight chance of
tstms in the afternoon.
.fri night...sw wind 15 to 20 kt with gusts to 30 kt. wind
waves sw 6 ft at 8 seconds. swell w 13 ft at 12 seconds. rain.
.sat...w wind 20 to 25 kt with gusts to 35 kt, becoming sw
15 to 20 kt with gusts to 25 kt in the afternoon. combined seas
17 ft with a dominant period of 15 seconds. rain.
.sat night...s wind 25 to 30 kt with gusts to 40 kt, becoming
sw 30 to 35 kt with gusts to 50 kt after midnight. combined
seas 18 ft with a dominant period of 15 seconds. rain.
.sun...sw wind 30 to 35 kt, easing to 25 to 30 kt in the
afternoon. gusts to 50 kt, becoming 45 kt late in the
afternoon. combined seas 18 ft with a dominant period of
13 seconds. rain.
.sun night...sw wind 15 to 20 kt with gusts to 35 kt, becoming
s 20 to 25 kt with gusts to 30 kt after midnight. combined seas
16 ft with a dominant period of 12 seconds. rain.
.mon...s wind 25 to 30 kt with gusts to 40 kt. combined seas
17 ft with a dominant period of 15 seconds.
.tue...s wind 20 to 25 kt with gusts to 40 kt, becoming sw
10 to 15 kt with gusts to 25 kt. combined seas 13 ft with a
dominant period of 14 seconds.

$$

pzz273-011500-
waters from cape foulweather to florence or from 10 to 60 nm-
202 pm pst thu nov 30 2023

...small craft advisory in effect through late tonight...
...gale warning in effect from late tonight through friday
morning...
...hazardous seas warning in effect from friday morning through
late friday night...

.tonight...w wind 10 to 15 kt with gusts to 20 kt, becoming sw
25 to 30 kt with gusts to 35 kt after midnight. combined seas
16 ft with a dominant period of 12 seconds after midnight. rain
after midnight.
.fri...w wind 20 to 25 kt. gusts to 35 kt. combined seas 17 ft
with a dominant period of 11 seconds in the morning. chance of
rain in the afternoon.
.fri night...sw wind 20 to 25 kt with gusts to 30 kt. wind
waves sw 6 ft at 8 seconds. swell w 13 ft at 12 seconds. rain.
.sat...sw wind 15 to 20 kt. gusts to 30 kt, becoming 25 kt in
the morning, then becoming 25 kt late in the afternoon. wind
waves sw 4 ft at 5 seconds. swell nw 15 ft at 14 seconds. rain.
.sat night...sw wind 25 to 30 kt. gusts to 35 kt, becoming
45 kt early in the morning. combined seas 18 ft with a dominant
period of 15 seconds. rain.
.sun...sw wind 25 to 30 kt with gusts to 45 kt. combined seas
18 ft with a dominant period of 14 seconds. rain.
.sun night...s wind 20 to 25 kt. gusts to 40 kt, becoming 30 kt
late in the evening, then35 kt after midnight. combined seas
16 ft with a dominant period of 12 seconds. rain.
.mon...s wind 25 to 30 kt. gusts to 40 kt, becoming 45 kt.
combined seas 17 ft with a dominant period of 15 seconds.
.tue...s wind 20 to 25 kt with gusts to 40 kt, becoming sw
15 to 20 kt with gusts to 30 kt. combined seas 14 ft with a
dominant period of 14 seconds.

$$

pzz210-011500-
columbia river bar-
202 pm pst thu nov 30 2023

...small craft advisory in effect through late tonight...
...gale warning in effect from late tonight through friday
morning...
...hazardous seas warning in effect from friday morning through
late friday night...

.in the main channel...

.general seas...6 to 7 ft building to 10 to 12 ft friday evening.

.first ebb...strong ebb current of 5.67 kt at 621 pm thursday.
 seas 7 to 8 ft.

.second ebb...ebb current of 2.56 kt at 706 am friday. seas 11 to
 12 ft.

.third ebb...ebb current of 5.09 kt at 701 pm friday. seas 10 to
 12 ft.


$$


for more information from the national weather service, visit:
https://weather.gov/portland/marine

Information courtesy of the National Weather Service - NWS Portland...
Issuing Coastal Waters Marine Forecast Homepage