Knappa, Knappa Slough, Columbia River Sea Conditions and Tide Table

Knappa, Knappa Slough, Columbia River 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 07:30 AM and sunset is at 04:31 PM.

Days 1–3 Weather Summary

Light rain (total 2mm), mostly falling on Mon morning. Cool air temperatures (max 10°C on Mon morning, min 5°C on Mon night). Wind will be generally light.

Days 4–6 Weather Summary

Some drizzle, heaviest during Fri afternoon. Low air temperatures (max 9°C on Thu morning, min 1°C on Sat night). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Very mild (max 10°C on Mon morning, min 4°C on Sun morning). Wind will be generally light.

Days 10–12 Weather Summary

Light rain (total 2mm), mostly falling on Wed afternoon. Very mild (max 15°C on Fri morning, min 8°C on Fri night). Wind will be generally light.

Monday
25
Tuesday
26
Wednesday
27
Thursday
28
Friday
29
Saturday
30
Sunday
1
Monday
2
Tuesday
3
Wednesday
4
Thursday
5
Friday
6
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
9:49AM2.36m
10:07PM1.91m
10:26AM2.47m
11:06PM1.96m
10:59AM2.55m
11:59PM2.02m
11:30AM2.62m
00:46AM2.08m
12:00PM2.66m
1:32AM2.11m
12:30PM2.69m
2:15AM2.13m
1:02PM2.71m
2:58AM2.14m
1:36PM2.72m
3:41AM2.13m
2:14PM2.71m
4:23AM2.13m
2:55PM2.67m
5:08AM2.13m
3:42PM2.59m
5:54AM2.16m
4:37PM2.46m
6:43AM2.23m
Low Tide
4:47PM0.56m
4:34AM0.57m
5:38PM0.35m
5:16AM0.65m
6:22PM0.17m
5:57AM0.73m
7:02PM0.03m
7:40PM-0.07m
7:13AM0.89m
8:17PM-0.13m
7:51AM0.95m
8:53PM-0.16m
8:29AM0.99m
9:29PM-0.16m
9:09AM1.02m
10:07PM-0.14m
9:51AM1.03m
10:47PM-0.10m
10:39AM1.03m
11:30PM-0.04m
11:36AM1.01m
00:17AM0.05m
Wave
height (m) 
direction
period (s) 
rain showers
rain showers
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
rain showers
part cloud
cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
light rain
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
rain shwrs
rain shwrs
clear
clear
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
rain shwrs
some clouds
cloudy
some clouds
some clouds
cloudy
cloudy
some clouds
some clouds
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
light rain
some clouds
some clouds
some clouds
some clouds
some clouds
clear
clear
 km/h
10
SE
5
ESE
5
ESE
5
ESE
5
W
0
ESE
5
W
5
WNW
5
SSE
5
ESE
5
W
5
SE
5
SSW
5
W
5
E
5
E
5
E
10
E
10
E
10
E
10
ESE
10
E
5
E
10
ESE
5
ESE
5
E
5
ESE
10
ESE
5
ESE
5
E
5
ESE
5
ENE
5
E
10
E
10
E
5
ESE
 mm 
1.0
1.0
1.0
2.0
max°C
10
9
5
9
8
7
9
9
7
9
8
6
8
9
7
8
7
3
8
7
5
10
10
8
9
10
10
11
11
11
14
14
13
15
14
10
Moonrise
1:50
2:54
3:59
5:05
6:14
7:24
8:32
9:35
10:28
11:10
11:43
12:09
Moonset
2:03
2:17
2:33
2:52
3:15
3:45
4:25
5:16
6:20
7:32
8:49
10:07
Sunrise
7:30
7:31
7:31
7:33
7:35
7:35
7:37
7:37
7:39
7:41
7:41
7:43
Sunset
4:31
4:31
4:30
4:30
4:30
4:30
4:29
4:29
4:29
4:28
4:28
4:28
Today's sea temperature in Knappa, Knappa Slough, Columbia River is 12.3 °C (Statistics for 25 Nov 1981-2005 – mean: 10.8 max: 12.3 min: 8.7°C)
Issued (local time): 3 am Monday 25 Nov 2024
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest