Duwamish Waterway Sea Conditions and Tide Table

Duwamish Waterway 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 — and sunset is at 08:16 PM.

Days 1–4 Weather Summary

Moderate rain (total 10mm), heaviest on Mon afternoon. Cool air temperatures (max 12°C on Sun afternoon, min 4°C on Mon night). Wind will be generally light.

Days 5–7 Weather Summary

Light rain (total 5mm), mostly falling on Thu morning. Warm air temperatures (max 21°C on Fri afternoon, min 7°C on Wed night). Wind will be generally light.

Days 8–10 Weather Summary

Moderate rain (total 12mm), heaviest on Sun afternoon. Warm (max 21°C on Sat afternoon, min 6°C on Mon night). Wind will be generally light.

Days 11–13 Weather Summary

Moderate rain (total 10mm), heaviest on Wed afternoon. Very mild (max 11°C on Tue afternoon, min 6°C on Thu night). Wind will be generally light.

Sun
28
Monday
29
Tuesday
30
Wednesday
1
Thursday
2
Friday
3
Saturday
4
Sunday
5
Monday
6
Tuesday
7
Wednesday
8
Thursday
9
Fri
10
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
AM
Wave Height Map
High Tide
10:26PM3.30m
7:41AM2.80m
11:27PM3.32m
8:37AM2.64m
00:24AM3.36m
10:01AM2.45m
1:14AM3.41m
11:43AM2.34m
1:56AM3.46m
1:22PM2.40m
2:32AM3.49m
2:50PM2.60m
3:05AM3.51m
4:04PM2.88m
3:37AM3.51m
5:09PM3.15m
6:08PM3.36m
7:03PM3.50m
5:18AM3.36m
7:56PM3.55m
5:55AM3.23m
Low Tide
2:49PM-0.39m
3:48AM2.28m
3:39PM-0.30m
5:01AM2.28m
4:36PM-0.16m
6:26AM2.12m
5:38PM0.02m
7:38AM1.79m
6:44PM0.24m
8:31AM1.35m
7:49PM0.49m
9:16AM0.84m
8:50PM0.76m
9:57AM0.32m
9:47PM1.05m
10:38AM-0.16m
10:41PM1.33m
11:18AM-0.53m
11:33PM1.59m
11:59AM-0.77m
00:23AM1.81m
12:41PM-0.86m
1:13AM1.98m
Wave
height (m) 
direction
period (s) 
light rain
cloud
rain showers
light rain
light rain
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
light rain
light rain
part cloud
clear
clear
part cloud
part cloud
cloud
cloud
cloud
light rain
rain showers
light rain
light rain
light rain
cloud
cloud
cloud
cloud
light rain
light rain
light rain
rain showers
rain showers
cloud
light rain
cloudy
rain shwrs
light rain
light rain
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
light rain
light rain
some clouds
clear
clear
some clouds
some clouds
cloudy
cloudy
cloudy
light rain
rain shwrs
light rain
light rain
light rain
cloudy
cloudy
cloudy
cloudy
light rain
light rain
light rain
rain shwrs
rain shwrs
cloudy
 km/h
20
SW
10
SSW
5
S
5
ESE
5
S
0
WNW
5
NNW
5
SSE
10
S
5
E
5
S
0
SSW
0
NNE
5
N
5
NE
0
W
5
NNE
10
N
15
N
0
NNE
10
SW
15
SSW
20
SSW
15
S
15
SSW
10
S
10
S
15
SSW
10
SSE
10
SW
10
SSE
5
SSE
10
S
10
SSW
5
S
10
S
 mm 
2.0
1.0
3
4
2.0
3
4
4
1.0
2.0
1.0
4
3
1.0
1.0
1.0
max°C
12
9
7
9
8
5
11
10
10
13
13
8
8
8
12
21
16
18
21
16
16
12
11
9
11
8
7
11
10
11
9
9
9
11
11
10
Moonrise
1:59
2:42
3:14
3:39
4:00
4:18
4:36
4:53
5:15
5:40
6:14
6:59
Moonset
8:28
9:34
10:50
12:11
1:35
2:57
4:20
5:44
7:08
8:35
10:00
11:19
Sunrise
5:54
5:52
5:50
5:48
5:48
5:46
5:45
5:43
5:41
5:39
5:39
5:37
Sunset
8:16
8:19
8:20
8:22
8:22
8:23
8:25
8:27
8:28
8:30
8:30
8:31
Today's sea temperature in Duwamish Waterway is 10.4 °C (Statistics for 28 Apr 1981-2005 – mean: 10.0 max: 11.2 min: 9.0°C)
Nearest