Coastal Waters Forecast
Issued by NWS Portland, OR

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Coastal Waters Forecast
National Weather Service Portland OR
807 AM PDT Wed Mar 27 2024

Coastal waters from Cape Shoalwater Washington to Florence Oregon
and westward 60 NM

PZZ200-272315-
807 AM PDT Wed Mar 27 2024

.SYNOPSIS FOR THE SOUTHERN WASHINGTON AND NORTHERN OREGON COAST...
Active weather continues through the end of the week as a
strong area of low pressure situates itself off the coastline.
A frontal passage this morning will facilitate a burst of gusty
winds. The main low pressure will remain fairly stationary
through late Thursday with gusty winds persisting at times.
Calmer weather returns over the weekend.

$$

PZZ251-272315-
Coastal waters from Cape Shoalwater WA to Cape Falcon OR out
10 NM-
807 AM PDT Wed Mar 27 2024

...HAZARDOUS SEAS WARNING IN EFFECT THROUGH LATE THURSDAY
NIGHT...

.REST OF TODAY...SW wind 15 to 20 kt with gusts to 25 kt,
rising to 20 to 25 kt with gusts to 30 kt in the afternoon.
Wind waves SW 5 ft at 6 seconds. Swell W 7 ft at 15 seconds and
SW 9 ft at 9 seconds. Rain early in the morning, then showers
and a slight chance of tstms in the afternoon.
.TONIGHT...S wind 20 to 25 kt with gusts to 30 kt, rising to
25 to 30 kt with gusts to 35 kt after midnight. Combined seas
13 ft with a dominant period of 14 seconds. Showers and a
chance of tstms.
.THU...S wind 20 to 25 kt with gusts to 35 kt, rising to 25 to
30 kt with gusts to 40 kt in the afternoon. Combined seas 17 ft
with a dominant period of 13 seconds. Showers and a chance of
tstms.
.THU NIGHT...S wind 25 to 30 kt with gusts to 35 kt, easing to
20 to 25 kt with gusts to 30 kt after midnight. Combined seas
17 ft with a dominant period of 13 seconds. Showers and a
chance of tstms.
.FRI...S wind 20 to 25 kt, easing to 10 to 15 kt with gusts to
20 kt in the afternoon. Wind waves S 4 ft at 5 seconds. Swell
SW 13 ft at 12 seconds, subsiding to SW 10 ft at 11 seconds in
the afternoon. Showers and a slight chance of tstms.
.FRI NIGHT...N wind 10 to 15 kt. Gusts to 20 kt in the evening.
Wind waves N 3 ft at 5 seconds. Swell W 7 ft at 12 seconds.
.SAT...N wind 10 to 15 kt with gusts to 20 kt. Wind waves N
3 ft at 4 seconds. Swell W 5 ft at 11 seconds.
.SUN...N wind 10 to 15 kt. Wind waves N 3 ft at 4 seconds.
Swell W 4 ft at 12 seconds.

$$

PZZ252-272315-
Coastal waters from Cape Falcon to Cape Foulweather OR out
10 NM-
807 AM PDT Wed Mar 27 2024

...HAZARDOUS SEAS WARNING IN EFFECT THROUGH LATE THURSDAY
NIGHT...

.REST OF TODAY...SW wind 20 to 25 kt. Gusts to 30 kt late
afternoon. Wind waves SW 5 ft at 6 seconds. Swell W 8 ft at
15 seconds and SW 9 ft at 8 seconds. Rain early in the morning,
then showers and a slight chance of tstms in the afternoon.
.TONIGHT...S wind 20 to 25 kt with gusts to 30 kt, rising to
25 to 30 kt with gusts to 35 kt after midnight. Combined seas
15 ft with a dominant period of 14 seconds after midnight.
Showers and a chance of tstms.
.THU...S wind 25 to 30 kt with gusts to 40 kt. Combined seas
17 ft with a dominant period of 13 seconds. Showers and a
chance of tstms.
.THU NIGHT...SW wind 25 to 30 kt, becoming S 20 to 25 kt after
midnight. Gusts to 35 kt, becoming 30 kt early in the morning.
Combined seas 18 ft with a dominant period of 13 seconds.
Showers and a chance of tstms.
.FRI...S wind 20 to 25 kt with gusts to 30 kt, easing to 10 to
15 kt with gusts to 20 kt in the afternoon. Wind waves S 4 ft
at 5 seconds. Swell W 14 ft at 12 seconds, subsiding to W 10 ft
at 11 seconds in the afternoon. Showers and a slight chance of
tstms.
.FRI NIGHT...N wind 10 to 15 kt, rising to 15 to 20 kt after
midnight. Gusts to 20 kt, becoming 25 kt in the late evening
and early morning. Wind waves N 4 ft at 5 seconds. Swell W 7 ft
at 11 seconds.
.SAT...N wind 15 to 20 kt with gusts to 25 kt. Wind waves N
4 ft at 5 seconds. Swell W 5 ft at 11 seconds.
.SUN...N wind 10 to 15 kt with gusts to 20 kt. Wind waves N
3 ft at 4 seconds. Swell W 4 ft at 12 seconds.

$$

PZZ253-272315-
Coastal waters from Cape Foulweather to Florence OR out 10 NM-
807 AM PDT Wed Mar 27 2024

...HAZARDOUS SEAS WARNING IN EFFECT THROUGH LATE THURSDAY
NIGHT...

.REST OF TODAY...SW wind 20 to 25 kt with gusts to 30 kt. Wind
waves SW 5 ft at 6 seconds. Swell W 8 ft at 15 seconds. Rain
early in the morning, then chance of showers and a slight
chance of tstms in the afternoon.
.TONIGHT...S wind 20 to 25 kt, rising to 25 to 30 kt after
midnight. Gusts to 30 kt, becoming 35 kt overnight. Combined
seas 11 ft with a dominant period of 14 seconds, building to
14 ft with a dominant period of 14 seconds after midnight.
Showers and a chance of tstms.
.THU...SW wind 25 to 30 kt with gusts to 35 kt. Combined seas
17 ft with a dominant period of 13 seconds. Showers and a
chance of tstms.
.THU NIGHT...SW wind 25 to 30 kt with gusts to 35 kt, becoming
S 20 to 25 kt with gusts to 30 kt after midnight. Combined seas
17 ft with a dominant period of 13 seconds. Showers and a
chance of tstms.
.FRI...S wind 15 to 20 kt with gusts to 25 kt, becoming SW
10 to 15 kt in the afternoon. Wind waves S 3 ft at 5 seconds.
Swell W 11 ft at 11 seconds. Showers and a slight chance of
tstms.
.FRI NIGHT...N wind 10 to 15 kt with gusts to 20 kt. Wind waves
N 3 ft at 5 seconds. Swell W 7 ft at 11 seconds.
.SAT...N wind 15 to 20 kt with gusts to 25 kt. Wind waves N
4 ft at 5 seconds. Swell W 5 ft at 11 seconds.
.SUN...N wind 10 to 15 kt with gusts to 20 kt. Wind waves N
3 ft at 4 seconds. Swell W 4 ft at 12 seconds.

$$

PZZ271-272315-
Waters from Cape Shoalwater WA to Cape Falcon OR from 10 to
60 NM-
807 AM PDT Wed Mar 27 2024

...HAZARDOUS SEAS WARNING IN EFFECT THROUGH LATE THURSDAY
NIGHT...

.REST OF TODAY...SW wind 15 to 20 kt with gusts to 25 kt,
rising to 20 to 25 kt with gusts to 30 kt in the afternoon.
Wind waves SW 6 ft at 6 seconds. Swell W 8 ft at 15 seconds and
SW 10 ft at 9 seconds. Chance of rain early in the morning,
then chance of showers and a slight chance of tstms in the
afternoon.
.TONIGHT...S wind 20 to 25 kt. Gusts to 30 kt, becoming 35 kt
after midnight. Combined seas 17 ft with a dominant period of
14 seconds after midnight. Showers and a chance of tstms.
.THU...S wind 20 to 25 kt, rising to 25 to 30 kt in the
afternoon. Gusts to 35 kt. Combined seas 18 ft with a dominant
period of 13 seconds. Showers and a chance of tstms.
.THU NIGHT...S wind 25 to 30 kt with gusts to 35 kt, easing to
20 to 25 kt with gusts to 30 kt after midnight. Combined seas
18 ft with a dominant period of 13 seconds. Showers and a
chance of tstms.
.FRI...S wind 15 to 20 kt with gusts to 25 kt, easing to 10 to
15 kt with gusts to 20 kt in the afternoon. Wind waves S 4 ft
at 5 seconds. Swell SW 13 ft at 12 seconds, subsiding to SW
10 ft at 11 seconds in the afternoon. Showers and a slight
chance of tstms.
.FRI NIGHT...N wind 10 to 15 kt with gusts to 20 kt. Wind waves
N 3 ft at 5 seconds. Swell W 7 ft at 11 seconds.
.SAT...N wind 15 to 20 kt with gusts to 25 kt. Wind waves N
4 ft at 6 seconds. Swell W 5 ft at 11 seconds.
.SUN...N wind 15 to 20 kt, becoming NW 10 to 15 kt. Wind waves
N 3 ft at 5 seconds. Swell W 4 ft at 12 seconds.

$$

PZZ272-272315-
Waters from Cape Falcon to Cape Foulweather OR from 10 to 60 NM-
807 AM PDT Wed Mar 27 2024

...HAZARDOUS SEAS WARNING IN EFFECT THROUGH LATE THURSDAY
NIGHT...

.REST OF TODAY...SW wind 15 to 20 kt with gusts to 25 kt,
rising to 20 to 25 kt with gusts to 30 kt in the afternoon.
Wind waves SW 6 ft at 7 seconds. Swell W 9 ft at 15 seconds.
Chance of rain early in the morning, then chance of showers and
a slight chance of tstms in the afternoon.
.TONIGHT...S wind 20 to 25 kt with gusts to 30 kt, rising to
25 to 30 kt with gusts to 35 kt after midnight. Combined seas
17 ft with a dominant period of 14 seconds after midnight.
Showers and a chance of tstms.
.THU...SW wind 25 to 30 kt with gusts to 40 kt. Combined seas
19 ft with a dominant period of 13 seconds. Showers and a
chance of tstms.
.THU NIGHT...SW wind 25 to 30 kt, easing to 20 to 25 kt after
midnight. Gusts to 35 kt, becoming 30 kt early in the morning.
Combined seas 18 ft with a dominant period of 13 seconds.
Showers and a chance of tstms.
.FRI...S wind 20 to 25 kt, easing to 15 to 20 kt in the
afternoon. Wind waves S 4 ft at 6 seconds. Swell W 13 ft at
12 seconds, subsiding to W 10 ft at 11 seconds in the
afternoon. Showers and a slight chance of tstms.
.FRI NIGHT...N wind 15 to 20 kt with gusts to 25 kt. Wind waves
N 4 ft at 6 seconds. Swell W 7 ft at 12 seconds.
.SAT...N wind 20 to 25 kt. Wind waves N 5 ft at 6 seconds.
Swell W 5 ft at 11 seconds.
.SUN...N wind 15 to 20 kt. Gusts to 25 kt, becoming 20 kt. Wind
waves N 4 ft at 5 seconds. Swell W 4 ft at 12 seconds.

$$

PZZ273-272315-
Waters from Cape Foulweather to Florence OR from 10 to 60 NM-
807 AM PDT Wed Mar 27 2024

...HAZARDOUS SEAS WARNING IN EFFECT THROUGH LATE THURSDAY
NIGHT...

.REST OF TODAY...SW wind 15 to 20 kt with gusts to 25 kt,
rising to 20 to 25 kt with gusts to 30 kt in the afternoon.
Wind waves SW 6 ft at 7 seconds. Swell W 9 ft at 15 seconds and
SW 8 ft at 8 seconds. Chance of rain early in the morning, then
chance of showers and a slight chance of tstms in the
afternoon.
.TONIGHT...SW wind 20 to 25 kt, rising to 25 to 30 kt after
midnight. Gusts to 30 kt, becoming 35 kt overnight. Combined
seas 14 ft with a dominant period of 14 seconds, building to
17 ft with a dominant period of 14 seconds after midnight.
Showers and a chance of tstms.
.THU...SW wind 25 to 30 kt with gusts to 35 kt. Combined seas
19 ft with a dominant period of 13 seconds. Showers and a
chance of tstms.
.THU NIGHT...SW wind 25 to 30 kt with gusts to 35 kt, easing to
20 to 25 kt with gusts to 30 kt after midnight. Combined seas
18 ft with a dominant period of 13 seconds. Showers and a
slight chance of tstms.
.FRI...S wind 15 to 20 kt with gusts to 25 kt, easing to 10 to
15 kt with gusts to 20 kt in the afternoon. Wind waves S 3 ft
at 5 seconds. Swell W 13 ft at 12 seconds, subsiding to W 10 ft
at 11 seconds in the afternoon. Showers and a slight chance of
tstms.
.FRI NIGHT...N wind 10 to 15 kt, rising to 15 to 20 kt after
midnight. Gusts to 20 kt, becoming 25 kt overnight. Wind waves
N 4 ft at 6 seconds. Swell W 7 ft at 11 seconds.
.SAT...N wind 20 to 25 kt with gusts to 30 kt. Wind waves N
5 ft at 7 seconds. Swell W 4 ft at 11 seconds.
.SUN...N wind 20 to 25 kt, easing to 15 to 20 kt. Wind waves N
4 ft at 6 seconds. Swell W 4 ft at 12 seconds.

$$

PZZ210-272315-
Columbia River Bar-
807 AM PDT Wed Mar 27 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
...HAZARDOUS SEAS WATCH IN EFFECT FROM LATE TONIGHT THROUGH
LATE THURSDAY NIGHT...

.IN THE MAIN CHANNEL...

.GENERAL SEAS...9 to 11 ft through tonight building to 13 to 15
 ft Thursday afternoon.

.FIRST EBB...Ebb current of 3.9 kt at 649 PM Wednesday. Seas 9 to
 10 ft.

.SECOND EBB...Ebb current of 5.24 kt at 702 AM Thursday. Seas 11
 to 15 ft.

.THIRD EBB...Ebb current of 3.5 kt at 719 PM Thursday. Seas 12 to
 16 ft.


$$


For more information from the National Weather Service, visit:
https://weather.gov/portland/marine


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