Vashon Sea Conditions and Tide Table

Vashon 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 06:13 AM and sunset is at 08:04 PM.

Days 1–3 Weather Summary

Mostly dry. Warm air temperatures (max 23°C on Mon afternoon, min 8°C on Mon night). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Warm air temperatures (max 21°C on Fri afternoon, min 7°C on Wed night). Wind will be generally light.

Days 7–9 Weather Summary

Some drizzle, heaviest during Mon night. Warm (max 21°C on Sat afternoon, min 8°C on Sat night). Wind will be generally light.

Days 10–12 Weather Summary

Light rain (total 8mm), mostly falling on Tue morning. Very mild (max 13°C on Tue afternoon, min 5°C on Tue night). Wind will be generally light.

Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
1
Saturday
2
Sunday
3
Mon
4
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
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
Wave Height Map
High Tide
8:07PM3.29m
9:05PM3.29m
10:06PM3.26m
11:13PM3.22m
00:19AM3.20m
1:15AM3.19m
8:48AM2.36m
1:58AM3.16m
12:59PM2.21m
2:31AM3.11m
2:54PM2.34m
2:56AM3.04m
4:02PM2.54m
3:12AM2.95m
4:55PM2.74m
3:10AM2.89m
5:41PM2.91m
6:23PM3.03m
7:02PM3.10m
Low Tide
11:39AM0.00m
11:39PM2.56m
12:28PM-0.03m
00:28AM2.74m
1:22PM0.07m
1:26AM2.86m
2:22PM0.25m
3:01AM2.88m
3:31PM0.47m
4:42PM0.70m
7:11AM2.35m
5:45PM0.93m
7:32AM2.00m
6:38PM1.18m
8:03AM1.64m
7:26PM1.44m
8:36AM1.28m
8:11PM1.71m
9:09AM0.96m
8:53PM1.97m
9:42AM0.71m
9:33PM2.20m
10:14AM0.53m
10:11PM2.39m
10:46AM0.42m
10:46PM2.54m
11:18AM0.40m
Wave
height (m) 
direction
period (s) 
cloud
part cloud
part cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
clear
clear
part cloud
clear
part cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
rain showers
rain showers
rain showers
part cloud
cloud
cloud
light rain
light rain
rain showers
part cloud
cloud
cloud
part cloud
part cloud
clear
light rain
rain showers
part cloud
rain showers
rain showers
light rain
cloudy
some clouds
some clouds
cloudy
some clouds
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
clear
clear
some clouds
clear
some clouds
cloudy
cloudy
cloudy
some clouds
some clouds
some clouds
cloudy
cloudy
rain shwrs
rain shwrs
rain shwrs
some clouds
cloudy
cloudy
light rain
light rain
rain shwrs
some clouds
cloudy
cloudy
some clouds
some clouds
clear
light rain
rain shwrs
some clouds
rain shwrs
rain shwrs
light rain
 km/h
10
N
10
NNW
5
N
5
NNE
15
WSW
10
SSW
10
SSW
10
SSW
10
SSW
15
SW
10
SSW
10
SSW
5
WSW
10
N
5
N
5
NNE
10
NNE
0
N
5
WSW
5
W
5
SW
5
SSW
0
W
10
SSW
15
SSW
10
SW
5
SW
20
SSW
20
SW
5
S
10
SSW
15
WSW
5
SSW
0
NNW
5
SSE
5
S
10
SSW
5
SSW
5
SSW
5
SSW
10
SW
5
SSE
20
SW
15
WSW
5
SSW
10
SSW
10
SSW
 mm 
1
3
1
2
1
1
3
1
1
1
1
max°C
16
22
16
17
23
15
12
14
11
10
12
10
11
17
14
14
21
16
15
21
16
14
18
14
12
14
12
9
13
11
11
13
8
7
12
12
10
13
12
13
18
15
13
14
11
11
14
Moonrise
6:59
7:45
8:45
9:58
11:18
12:39
1:57
3:11
4:22
5:32
6:41
7:51
9:01
10:10
11:15
Moonset
11:55
1:09
2:08
2:50
3:21
3:45
4:03
4:19
4:34
4:49
5:06
5:25
5:48
6:17
6:55
Sunrise
6:13
6:11
6:09
6:09
6:07
6:05
6:03
6:01
6:00
5:58
5:56
5:54
5:52
5:52
5:50
5:48
Sunset
8:04
8:05
8:07
8:07
8:08
8:10
8:12
8:14
8:15
8:15
8:17
8:19
8:21
8:22
8:22
8:24
Today's sea temperature in Vashon is
10.6° C
(Statistics for 19 Apr 1981-2005 – mean: 9.7 max: 10.9 min: 8.7°C)
Issued (local time): 4 am Sunday 19 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest