Coastal Waters Forecast
Issued by NWS Portland, OR

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Coastal Waters Forecast
National Weather Service Portland OR
233 AM PDT Mon Mar 18 2024

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

PZZ200-190015-
233 AM PDT Mon Mar 18 2024

.SYNOPSIS FOR THE SOUTHERN WASHINGTON AND NORTHERN OREGON COAST...
High pressure offshore will weaken over the next couple of
days. A more active weather pattern develops for the latter half
of the week as low pressure system approach the region.

$$

PZZ251-190015-
Coastal waters from Cape Shoalwater WA to Cape Falcon OR out
10 NM-
233 AM PDT Mon Mar 18 2024

.TODAY...N wind 10 to 15 kt. Wind waves N 2 ft at 4 seconds.
Swell W 3 ft at 11 seconds and W 3 ft at 17 seconds.
.TONIGHT...N wind 10 to 15 kt, becoming NW 5 to 10 kt after
midnight. Wind waves N 2 ft at 4 seconds. Swell W 3 ft at
10 seconds, building to W 6 ft at 12 seconds after midnight.
.TUE...SW wind 5 to 10 kt. Wind waves SW 1 ft at 4 seconds.
Swell W 6 ft at 13 seconds.
.TUE NIGHT...SW wind 5 to 10 kt, becoming S 10 to 15 kt after
midnight. Gusts to 15 kt, becoming 20 kt overnight. Wind waves
SW 2 ft at 5 seconds. Swell W 5 ft at 14 seconds.
.WED...S wind 15 to 20 kt with gusts to 25 kt. Wind waves S
4 ft at 5 seconds. Swell W 4 ft at 13 seconds. Rain likely.
.WED NIGHT...SW wind 10 to 15 kt. Gusts to 20 kt in the
evening. Wind waves SW 3 ft at 4 seconds. Swell W 4 ft at
12 seconds. Rain likely.
.THU...S wind 10 to 15 kt. Wind waves S 2 ft at 4 seconds.
Swell W 3 ft at 14 seconds and W 4 ft at 17 seconds.
.FRI...S wind 10 to 15 kt. Gusts to 20 kt. Wind waves S 2 ft at
4 seconds. Swell W 4 ft at 14 seconds.

$$

PZZ252-190015-
Coastal waters from Cape Falcon to Cape Foulweather OR out
10 NM-
233 AM PDT Mon Mar 18 2024

.TODAY...N wind 10 to 15 kt with gusts to 20 kt, easing to 5 to
10 kt with gusts to 15 kt in the afternoon. Wind waves N 2 ft
at 4 seconds. Swell W 4 ft at 11 seconds and W 3 ft at
17 seconds.
.TONIGHT...NW wind 5 to 10 kt. Gusts to 15 kt in the evening.
Wind waves NW 2 ft at 4 seconds. Swell W 4 ft at 11 seconds and
W 4 ft at 16 seconds.
.TUE...SW wind 5 to 10 kt. Wind waves SW 1 ft at 4 seconds.
Swell W 5 ft at 14 seconds.
.TUE NIGHT...S wind 10 kt, rising to 15 to 20 kt after
midnight. Gusts to 15 kt early in the evening. Wind waves S
2 ft at 5 seconds. Swell W 6 ft at 14 seconds.
.WED...S wind 15 to 20 kt with gusts to 25 kt. Wind waves S
5 ft at 6 seconds. Swell W 4 ft at 13 seconds. Rain likely.
.WED NIGHT...SW wind 15 to 20 kt. Gusts to 25 kt early in the
evening. Wind waves SW 4 ft at 5 seconds. Swell W 4 ft at
12 seconds. Rain likely.
.THU...S wind 10 to 15 kt. Wind waves S 2 ft at 4 seconds.
Swell W 3 ft at 14 seconds and W 4 ft at 18 seconds.
.FRI...S wind 10 to 15 kt. Gusts to 20 kt. Wind waves S 2 ft at
4 seconds. Swell W 4 ft at 14 seconds.

$$

PZZ253-190015-
Coastal waters from Cape Foulweather to Florence OR out 10 NM-
233 AM PDT Mon Mar 18 2024

.TODAY...N wind 5 to 10 kt with gusts to 15 kt. Wind waves N
2 ft at 4 seconds. Swell W 4 ft at 11 seconds and W 3 ft at
17 seconds.
.TONIGHT...NW wind 5 to 10 kt. Gusts to 15 kt in the evening.
Wind waves NW 1 ft at 4 seconds. Swell W 3 ft at 10 seconds and
W 3 ft at 16 seconds.
.TUE...S wind 5 to 10 kt. Wind waves SW 1 ft at 4 seconds.
Swell W 5 ft at 14 seconds.
.TUE NIGHT...SW wind 5 to 10 kt with gusts to 15 kt, becoming S
10 to 15 kt with gusts to 20 kt after midnight. Wind waves SW
2 ft at 5 seconds. Swell W 5 ft at 14 seconds.
.WED...S wind 10 to 15 kt with gusts to 20 kt, rising to 15 to
20 kt with gusts to 25 kt in the afternoon. Wind waves S 3 ft
at 5 seconds. Swell W 4 ft at 13 seconds. Chance of rain.
.WED NIGHT...SW wind 10 to 15 kt. Gusts to 20 kt in the
evening. Wind waves SW 3 ft at 4 seconds. Swell W 3 ft at
12 seconds. Chance of rain.
.THU...S wind 10 kt with gusts to 15 kt. Wind waves S 2 ft at
4 seconds. Swell W 3 ft at 14 seconds and W 4 ft at 17 seconds.
.FRI...SW wind 10 to 15 kt with gusts to 20 kt. Wind waves SW
3 ft at 4 seconds. Swell W 4 ft at 14 seconds.

$$

PZZ271-190015-
Waters from Cape Shoalwater WA to Cape Falcon OR from 10 to
60 NM-
233 AM PDT Mon Mar 18 2024

.TODAY...N wind 10 to 15 kt. Gusts to 20 kt in the morning.
Wind waves N 3 ft at 5 seconds. Swell W 4 ft at 11 seconds and W
3 ft at 17 seconds.
.TONIGHT...N wind 10 to 15 kt. Gusts to 20 kt. Wind waves N
2 ft at 4 seconds. Swell W 4 ft at 11 seconds and W 4 ft at
8 seconds.
.TUE...W wind 5 to 10 kt. Wind waves W 1 ft at 4 seconds. Swell
W 6 ft at 15 seconds.
.TUE NIGHT...SW wind 5 to 10 kt with gusts to 15 kt, rising to
10 to 15 kt with gusts to 20 kt after midnight. Wind waves SW
2 ft at 4 seconds. Swell W 6 ft at 14 seconds. Chance of rain.
.WED...SW wind 10 to 15 kt with gusts to 20 kt. Wind waves SW
4 ft at 5 seconds. Swell W 4 ft at 13 seconds. Chance of rain.
.WED NIGHT...SW wind 10 to 15 kt. Gusts to 20 kt early in the
evening. Wind waves SW 3 ft at 4 seconds. Swell W 4 ft at
12 seconds. Chance of rain.
.THU...S wind 10 to 15 kt. Wind waves S 2 ft at 4 seconds.
Swell W 4 ft at 13 seconds.
.FRI...S wind 10 to 15 kt. Gusts to 20 kt. Wind waves S 2 ft at
4 seconds. Swell W 4 ft at 14 seconds.

$$

PZZ272-190015-
Waters from Cape Falcon to Cape Foulweather OR from 10 to 60 NM-
233 AM PDT Mon Mar 18 2024

.TODAY...N wind 10 to 15 kt. Gusts to 20 kt in the morning.
Wind waves N 3 ft at 5 seconds. Swell W 4 ft at 11 seconds and W
3 ft at 17 seconds.
.TONIGHT...N wind 10 to 15 kt with gusts to 20 kt, becoming NW
5 to 10 kt with gusts to 15 kt after midnight. Wind waves N
2 ft at 4 seconds. Swell W 4 ft at 11 seconds and W 4 ft at
8 seconds.
.TUE...W wind 5 to 10 kt. Wind waves W 1 ft at 4 seconds. Swell
W 6 ft at 15 seconds.
.TUE NIGHT...SW wind 5 to 10 kt, becoming S 10 to 15 kt after
midnight. Gusts to 20 kt overnight. Wind waves SW 2 ft at
5 seconds. Swell W 6 ft at 14 seconds.
.WED...SW wind 15 to 20 kt with gusts to 25 kt. Wind waves SW
4 ft at 5 seconds. Swell W 4 ft at 13 seconds. Chance of rain.
.WED NIGHT...SW wind 15 kt with gusts to 20 kt. Wind waves SW
3 ft at 5 seconds. Swell W 4 ft at 12 seconds. Chance of rain.
.THU...S wind 10 to 15 kt. Wind waves S 2 ft at 4 seconds.
Swell W 3 ft at 14 seconds and W 5 ft at 17 seconds.
.FRI...SW wind 10 to 15 kt with gusts to 20 kt. Wind waves SW
3 ft at 5 seconds. Swell W 4 ft at 14 seconds.

$$

PZZ273-190015-
Waters from Cape Foulweather to Florence OR from 10 to 60 NM-
233 AM PDT Mon Mar 18 2024

.TODAY...N wind 10 to 15 kt with gusts to 20 kt. Wind waves N
2 ft at 5 seconds. Swell W 4 ft at 11 seconds and W 3 ft at
17 seconds.
.TONIGHT...N wind 10 to 15 kt, easing to 5 to 10 kt after
midnight. Wind waves N 2 ft at 4 seconds. Swell W 4 ft at
10 seconds and W 4 ft at 16 seconds.
.TUE...W wind 5 kt. Wind waves W 1 ft at 4 seconds. Swell W
5 ft at 14 seconds.
.TUE NIGHT...SW wind 5 to 10 kt with gusts to 15 kt, rising to
10 to 15 kt with gusts to 20 kt after midnight. Wind waves SW
2 ft at 5 seconds. Swell W 5 ft at 14 seconds.
.WED...SW wind 10 to 15 kt with gusts to 20 kt. Wind waves SW
3 ft at 5 seconds. Swell W 4 ft at 13 seconds. Chance of rain.
.WED NIGHT...SW wind 10 to 15 kt. Gusts to 20 kt in the
evening. Wind waves SW 3 ft at 5 seconds. Swell W 3 ft at
12 seconds. Chance of rain.
.THU...S wind 10 to 15 kt. Wind waves S 2 ft at 4 seconds.
Swell W 3 ft at 14 seconds and W 4 ft at 17 seconds.
.FRI...SW wind 15 kt with gusts to 20 kt. Wind waves SW 3 ft at
5 seconds. Swell W 4 ft at 14 seconds.

$$

PZZ210-190015-
Columbia River Bar-
233 AM PDT Mon Mar 18 2024

.IN THE MAIN CHANNEL...

.GENERAL SEAS...1 to 3 ft through Tuesday morning.

.FIRST EBB...Ebb current of 1.71 kt at 1204 AM Monday. Seas 4 ft.

.SECOND EBB...Ebb current of 4.03 kt at 1230 PM Monday. Seas 5 ft.

.THIRD EBB...Ebb current of 1.81 kt at 117 AM Tuesday. Seas 4 ft.


$$


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


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