Columbia River entrance (N. Jetty) Sea Conditions and Tide Table

Columbia River entrance (N. Jetty) Sea Conditions table showing wave height, swell direction and period.

High and low tide times are also provided on the table along with the moon phase and forecast weather. Sunrise today is at 07:46 AM and sunset is at 04:29 PM.

Days 1–3 Weather Summary

Heavy rain (total 103mm), heaviest during Mon afternoon. Cool air temperatures (max 13°C on Mon morning, min 8°C on Tue morning). Winds decreasing (gales from the SSW on Mon morning, light winds from the NNW by Mon night).

Days 4–6 Weather Summary

Light rain (total 7mm), mostly falling on Sat night. Cool air temperatures (max 16°C on Fri morning, min 10°C on Thu afternoon). Winds increasing (calm on Thu morning, fresh winds from the S by Sat night).

Days 7–9 Weather Summary

Moderate rain (total 17mm), heaviest on Mon night. Very mild (max 15°C on Mon morning, min 9°C on Tue morning). Winds increasing (light winds from the SE on Sun afternoon, near gales from the S by Mon afternoon).

Days 10–12 Weather Summary

Heavy rain (total 44mm), heaviest during Thu morning. Very mild (max 12°C on Thu afternoon, min 7°C on Fri afternoon). Winds decreasing (near gales from the SSW on Thu night, calm by Fri night).

Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
Wave Height Map
High Tide
2:25PM2.57m
4:16AM2.16m
3:22PM2.33m
5:06AM2.16m
4:24PM2.07m
5:56AM2.17m
5:34PM1.84m
6:44AM2.21m
6:50PM1.68m
7:31AM2.26m
8:06PM1.63m
8:15AM2.32m
9:16PM1.67m
8:56AM2.38m
10:17PM1.76m
9:35AM2.43m
11:10PM1.87m
10:12AM2.47m
11:57PM1.97m
10:48AM2.50m
00:40AM2.03m
11:23AM2.52m
1:21AM2.06m
Low Tide
8:29AM1.07m
9:22PM-0.15m
9:27AM1.05m
10:09PM0.03m
10:29AM1.02m
10:58PM0.24m
11:38AM0.95m
11:48PM0.45m
12:50PM0.82m
00:40AM0.65m
1:56PM0.63m
1:32AM0.83m
2:55PM0.43m
2:23AM0.98m
3:45PM0.25m
3:12AM1.10m
4:30PM0.11m
3:58AM1.19m
5:11PM0.02m
4:44AM1.26m
5:51PM-0.03m
5:27AM1.29m
6:28PM-0.06m
6:09AM1.30m
Wave
height (m) 
direction
period (s) 
3.5
SW
7
4
WNW
11
4
W
12
3.5
W
12
3
WNW
13
3
WNW
12
3.5
W
11
3.5
W
11
3
W
13
2.5
W
15
2.3
W
14
2
W
14
1.8
W
13
1.6
W
12
1.2
W
12
1.2
W
11
1.3
WSW
12
1.8
WSW
11
2.1
W
10
2.4
W
10
2.5
W
13
2.4
W
12
3
W
12
4
WSW
10
3
WSW
10
2.5
WSW
10
2.4
W
10
3
WNW
12
3
W
12
3
WNW
12
3
WNW
13
4
SW
8
3
WNW
12
2.5
WSW
8
2.1
WNW
10
1.8
W
10
heavy rain
heavy rain
heavy rain
light rain
mod rain
heavy rain
heavy rain
light rain
light rain
light rain
light rain
light rain
rain showers
cloud
part cloud
part cloud
rain showers
rain showers
cloud
cloud
cloud
cloud
light rain
heavy rain
cloud
cloud
rain showers
cloud
light rain
heavy rain
heavy rain
light rain
heavy rain
light rain
cloud
part cloud
heavy rain
heavy rain
heavy rain
light rain
mod rain
heavy rain
heavy rain
light rain
light rain
light rain
light rain
light rain
rain shwrs
cloudy
some clouds
some clouds
rain shwrs
rain shwrs
cloudy
cloudy
cloudy
cloudy
light rain
heavy rain
cloudy
cloudy
rain shwrs
cloudy
light rain
heavy rain
heavy rain
light rain
heavy rain
light rain
cloudy
some clouds
 km/h
60
SSW
45
SW
15
N
20
E
25
S
35
SW
50
SW
45
SW
35
SW
5
WNW
5
NE
10
SSW
10
SW
10
WNW
10
SSE
15
ESE
25
S
25
S
30
S
25
S
15
ESE
20
SE
45
S
55
SSW
25
NW
15
WSW
25
SW
25
SSW
30
SW
30
SW
40
S
50
SSW
45
SSW
15
NNW
15
N
5
NNE
 mm 
22
23
18
1
6
19
11
2
1
1
1
1
1
1
2
1
14
2
2
15
11
4
11
1
max°C
13
12
12
9
12
12
13
12
12
11
11
14
16
13
13
11
12
12
12
12
12
15
14
12
9
10
10
10
11
10
10
12
12
9
7
8
Moonrise
8:56
10:12
11:24
12:33
1:40
2:46
3:52
4:59
6:06
7:11
8:10
Moonset
11:27
11:52
12:12
12:28
12:44
12:59
1:16
1:35
1:58
2:27
3:05
3:52
Sunrise
7:46
7:47
7:48
7:48
7:50
7:50
7:50
7:52
7:52
7:52
7:54
7:54
Sunset
4:29
4:29
4:29
4:29
4:29
4:30
4:30
4:30
4:30
4:30
4:30
4:30
Today's sea temperature in Columbia River entrance (N. Jetty) is
11.0° C
(Statistics for 08 Dec 1981-2005 – mean: 10.4 max: 11.7 min: 8.6°C)
Issued (local time): 9 am Monday 08 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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