Coastal Waters Forecast
Issued by NWS Portland, OR

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Coastal Waters Forecast
National Weather Service Portland OR
200 AM PDT Tue Mar 12 2024

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

PZZ200-122345-
200 AM PDT Tue Mar 12 2024

.SYNOPSIS FOR THE SOUTHERN WASHINGTON AND NORTHERN OREGON COAST...
Low pressure near Vancouver Island will weaken through tonight.
High pressure will build offshore on Wednesday and persist into
the weekend.

$$

PZZ251-122345-
Coastal waters from Cape Shoalwater WA to Cape Falcon OR out
10 NM-
200 AM PDT Tue Mar 12 2024

...HAZARDOUS SEAS WARNING IN EFFECT THROUGH LATE TONIGHT...

.TODAY...W wind 20 to 25 kt, easing to 15 to 20 kt in the
afternoon. Wind waves W 5 ft at 5 seconds. Swell W 11 ft at
15 seconds, building to W 15 ft at 15 seconds in the afternoon.
Slight chance of tstms in the morning. Showers.
.TONIGHT...W wind 10 to 15 kt with gusts to 20 kt, easing to
5 to 10 kt after midnight. Wind waves W 3 ft at 4 seconds.
Swell W 15 ft at 14 seconds. Chance of showers in the evening.
.WED...SW wind 5 to 10 kt. Wind waves SW 2 ft at 4 seconds.
Swell W 12 ft at 13 seconds.
.WED NIGHT...NW wind 5 kt, veering to NE after midnight. Wind
waves NW 2 ft at 4 seconds, shifting to the NE 2 ft at
4 seconds after midnight. Swell W 9 ft at 14 seconds.
.THU...NE wind 5 to 10 kt, rising to 10 to 15 kt in the
afternoon. Wind waves NE 2 ft at 4 seconds. Swell W 8 ft at
15 seconds.
.THU NIGHT...NE wind 10 to 15 kt. Gusts to 20 kt in the
evening. Wind waves NE 3 ft at 5 seconds. Swell W 7 ft at
14 seconds.
.FRI...NE wind 10 to 15 kt. Wind waves NE 3 ft at 4 seconds.
Swell W 8 ft at 15 seconds.
.SAT...E wind 10 to 15 kt, becoming SE 5 to 10 kt. Wind waves
SE 2 ft at 4 seconds. Swell W 6 ft at 14 seconds.

$$

PZZ252-122345-
Coastal waters from Cape Falcon to Cape Foulweather OR out
10 NM-
200 AM PDT Tue Mar 12 2024

...HAZARDOUS SEAS WARNING IN EFFECT THROUGH LATE TONIGHT...

.TODAY...W wind 20 to 25 kt. Wind waves W 6 ft at 6 seconds.
Swell W 14 ft at 14 seconds. Slight chance of tstms in the
morning. Chance of showers.
.TONIGHT...W wind 15 to 20 kt, easing to 5 to 10 kt with gusts
to 15 kt after midnight. Wind waves W 3 ft at 4 seconds. Swell
W 15 ft at 14 seconds. Chance of showers in the evening.
.WED...SW wind 5 to 10 kt. Wind waves SW 2 ft at 4 seconds.
Swell W 12 ft at 13 seconds.
.WED NIGHT...N wind 5 to 10 kt. Gusts to 15 kt after midnight.
Wind waves N 2 ft at 4 seconds. Swell W 9 ft at 15 seconds.
.THU...NE wind 10 to 15 kt. Wind waves NE 3 ft at 4 seconds.
Swell W 8 ft at 15 seconds.
.THU NIGHT...N wind 15 to 20 kt, becoming NE 10 to 15 kt after
midnight. Wind waves NE 4 ft at 5 seconds. Swell W 7 ft at
14 seconds.
.FRI...NE wind 10 to 15 kt. Wind waves NE 3 ft at 4 seconds.
Swell W 8 ft at 15 seconds.
.SAT...SE wind 10 to 15 kt, becoming S 5 to 10 kt. Wind waves
SE 2 ft at 4 seconds. Swell W 6 ft at 14 seconds.

$$

PZZ253-122345-
Coastal waters from Cape Foulweather to Florence OR out 10 NM-
200 AM PDT Tue Mar 12 2024

...HAZARDOUS SEAS WARNING IN EFFECT THROUGH LATE TONIGHT...

.TODAY...W wind 15 to 20 kt, easing to 10 to 15 kt in the
afternoon. Wind waves W 4 ft at 4 seconds. Swell W 14 ft at
13 seconds. Slight chance of tstms in the morning. Chance of
showers.
.TONIGHT...W wind 5 to 10 kt. Gusts to 15 kt early in the
evening. Wind waves W 2 ft at 4 seconds. Swell W 14 ft at
14 seconds.
.WED...S wind to 5 kt. Wind waves SW 1 ft at 4 seconds. Swell W
12 ft at 13 seconds.
.WED NIGHT...N wind 5 to 10 kt. Wind waves N 2 ft at 4 seconds.
Swell W 9 ft at 15 seconds.
.THU...NE wind 5 to 10 kt. Gusts to 15 kt in the afternoon.
Wind waves NE 2 ft at 4 seconds. Swell W 8 ft at 15 seconds.
.THU NIGHT...N wind 10 to 15 kt with gusts to 20 kt, becoming
NE 5 to 10 kt with gusts to 15 kt after midnight. Wind waves NE
3 ft at 4 seconds. Swell W 7 ft at 14 seconds.
.FRI...E wind 10 to 15 kt. Wind waves E 3 ft at 4 seconds.
Swell W 7 ft at 15 seconds.
.SAT...SE wind 5 to 10 kt. Gusts to 15 kt. Wind waves S 2 ft at
4 seconds. Swell W 5 ft at 14 seconds.

$$

PZZ271-122345-
Waters from Cape Shoalwater WA to Cape Falcon OR from 10 to
60 NM-
200 AM PDT Tue Mar 12 2024

...HAZARDOUS SEAS WARNING IN EFFECT THROUGH LATE TONIGHT...

.TODAY...W 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 W
5 ft at 6 seconds. Swell W 14 ft at 15 seconds, building to W
17 ft at 15 seconds in the afternoon. Chance of showers.
.TONIGHT...W wind 10 to 15 kt. Gusts to 20 kt, becoming 15 kt
after midnight. Wind waves W 3 ft at 4 seconds. Swell W 16 ft
at 14 seconds.
.WED...SW wind 5 to 10 kt. Gusts to 15 kt early in the morning.
Wind waves SW 2 ft at 4 seconds. Swell W 13 ft at 13 seconds.
.WED NIGHT...SE wind 5 to 10 kt. Wind waves SE 1 ft at
4 seconds. Swell W 9 ft at 16 seconds.
.THU...NE wind 10 to 15 kt. Wind waves NE 2 ft at 4 seconds.
Swell W 8 ft at 15 seconds.
.THU NIGHT...NE wind 15 to 20 kt with gusts to 25 kt. Wind
waves NE 4 ft at 5 seconds. Swell W 7 ft at 14 seconds.
.FRI...NE wind 15 kt with gusts to 20 kt. Wind waves NE 3 ft at
5 seconds. Swell W 8 ft at 15 seconds.
.SAT...SE wind 10 to 15 kt. Gusts to 20 kt, becoming 15 kt.
Wind waves SE 3 ft at 4 seconds. Swell W 6 ft at 14 seconds.

$$

PZZ272-122345-
Waters from Cape Falcon to Cape Foulweather OR from 10 to 60 NM-
200 AM PDT Tue Mar 12 2024

...HAZARDOUS SEAS WARNING IN EFFECT THROUGH LATE TONIGHT...

.TODAY...W 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 W
6 ft at 7 seconds. Swell W 13 ft at 12 seconds, building to W
16 ft at 15 seconds in the afternoon. Chance of showers in the
morning.
.TONIGHT...W wind 10 to 15 kt. Gusts to 20 kt, becoming 15 kt
after midnight. Wind waves W 3 ft at 4 seconds. Swell W 16 ft
at 14 seconds.
.WED...W wind 5 to 10 kt. Gusts to 15 kt early in the morning.
Wind waves W 2 ft at 4 seconds. Swell W 12 ft at 13 seconds.
.WED NIGHT...NE wind 5 to 10 kt. Gusts to 15 kt after midnight.
Wind waves NE 2 ft at 4 seconds. Swell W 10 ft at 15 seconds.
.THU...NE wind 10 to 15 kt with gusts to 20 kt. Wind waves NE
3 ft at 5 seconds. Swell W 8 ft at 15 seconds.
.THU NIGHT...NE wind 15 to 20 kt with gusts to 30 kt. Wind
waves NE 4 ft at 6 seconds. Swell W 7 ft at 14 seconds.
.FRI...NE wind 10 to 15 kt. Gusts to 25 kt. Wind waves NE 3 ft
at 4 seconds. Swell W 8 ft at 15 seconds.
.SAT...SE wind 10 to 15 kt. Wind waves SE 3 ft at 4 seconds.
Swell W 6 ft at 14 seconds.

$$

PZZ273-122345-
Waters from Cape Foulweather to Florence OR from 10 to 60 NM-
200 AM PDT Tue Mar 12 2024

...HAZARDOUS SEAS WARNING IN EFFECT THROUGH LATE TONIGHT...

.TODAY...W 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 W
4 ft at 5 seconds. Swell W 14 ft at 14 seconds. Chance of
showers in the morning.
.TONIGHT...W wind 10 to 15 kt, easing to 5 to 10 kt after
midnight. Wind waves W 2 ft at 4 seconds. Swell W 15 ft at
14 seconds.
.WED...W wind 5 to 10 kt. Wind waves W 1 ft at 4 seconds. Swell
W 12 ft at 13 seconds.
.WED NIGHT...NE wind 5 to 10 kt. Wind waves NE 2 ft at
4 seconds. Swell W 10 ft at 15 seconds.
.THU...NE wind 10 to 15 kt with gusts to 20 kt. Wind waves NE
3 ft at 5 seconds. Swell W 8 ft at 15 seconds.
.THU NIGHT...NE wind 15 to 20 kt with gusts to 25 kt. Wind
waves NE 4 ft at 5 seconds. Swell W 7 ft at 14 seconds.
.FRI...NE wind 10 to 15 kt. Gusts to 20 kt. Wind waves NE 3 ft
at 4 seconds. Swell W 7 ft at 15 seconds.
.SAT...SE wind 10 to 15 kt, becoming S 5 to 10 kt. Wind waves S
2 ft at 4 seconds. Swell W 5 ft at 14 seconds.

$$

PZZ210-122345-
Columbia River Bar-
200 AM PDT Tue Mar 12 2024

...HAZARDOUS SEAS WARNING IN EFFECT THROUGH WEDNESDAY MORNING...

.IN THE MAIN CHANNEL...

.GENERAL SEAS...10 to 15 ft through Wednesday morning.

.FIRST EBB...Very strong ebb current of 6.5 kt at 652 AM Tuesday.
 Seas 14 to 16 ft.

.SECOND EBB...Ebb current of 5.42 kt at 710 PM Tuesday. Seas 12
to 15 ft.

.THIRD EBB...Very strong ebb current of 6.47 kt at 736 AM
 Wednesday. Seas 14 to 16 ft.


$$


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


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