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 — and sunset is at —.

Days 1–4 Weather Summary

Heavy rain (total 45mm), heaviest during Fri afternoon. Cool air temperatures (max 13°C on Wed morning, min 10°C on Tue night). Wind will be generally light.

Days 5–7 Weather Summary

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

Days 8–10 Weather Summary

Heavy rain (total 33mm), heaviest during Tue morning. Mild temperatures (max 9°C on Tue afternoon, min 2°C on Wed night). Mainly fresh winds.

Days 11–13 Weather Summary

Moderate rain (total 15mm), heaviest on Sun night. Very mild (max 19°C on Sat afternoon, min 4°C on Fri morning). Wind will be generally light.

Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
31
Wednesday
1
Thu
2
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
night
AM
Wave Height Map
High Tide
5:32AM3.59m
5:25PM3.21m
5:53AM3.64m
6:16PM3.33m
6:16AM3.67m
7:09PM3.40m
6:43AM3.68m
8:06PM3.42m
7:13AM3.65m
9:08PM3.38m
7:48AM3.57m
10:18PM3.31m
8:28AM3.43m
11:40PM3.27m
9:18AM3.23m
1:07AM3.31m
10:27AM3.01m
2:19AM3.42m
11:58AM2.82m
3:13AM3.53m
1:35PM2.77m
3:55AM3.61m
3:00PM2.84m
4:30AM3.64m
4:09PM2.96m
4:58AM3.62m
5:07PM3.08m
5:23AM3.58m
Low Tide
10:58PM0.34m
11:38AM0.95m
11:36PM0.53m
12:12PM0.53m
00:14AM0.79m
12:48PM0.15m
00:55AM1.11m
1:28PM-0.16m
1:37AM1.47m
2:12PM-0.35m
2:24AM1.83m
3:01PM-0.42m
3:18AM2.15m
3:58PM-0.37m
4:26AM2.40m
5:03PM-0.24m
6:00AM2.48m
6:15PM-0.11m
7:46AM2.32m
7:28PM0.01m
9:01AM1.98m
8:34PM0.12m
9:52AM1.59m
9:30PM0.27m
10:33AM1.20m
10:18PM0.46m
11:09AM0.84m
11:01PM0.69m
11:42AM0.52m
Wave
height (m) 
direction
period (s) 
mod rain
light rain
light rain
mod rain
light rain
cloud
mod rain
mod rain
mod rain
rain showers
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
light rain
heavy rain
mod rain
rain showers
cloud
light rain
part cloud
part cloud
cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
light rain
mod rain
heavy rain
cloud
light rain
light rain
light rain
thunderstorm
part cloud
cloud
rain showers
rain showers
part cloud
mod rain
light rain
light rain
mod rain
light rain
cloudy
mod rain
mod rain
mod rain
rain shwrs
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
light rain
heavy rain
mod rain
rain shwrs
cloudy
light rain
some clouds
some clouds
cloudy
some clouds
some clouds
cloudy
some clouds
some clouds
some clouds
some clouds
light rain
mod rain
heavy rain
cloudy
light rain
light rain
light rain
risk tstorm
some clouds
cloudy
rain shwrs
rain shwrs
some clouds
 km/h
10
S
15
SSW
10
SSW
15
S
15
SSW
10
S
10
S
15
SW
20
SSW
10
E
5
E
5
E
10
S
10
SW
10
N
10
NNE
15
NNE
10
N
0
S
10
S
35
SSW
25
SW
15
W
5
NNW
10
S
15
SSW
10
SW
5
NNE
10
NNE
10
N
5
NNW
5
S
10
SSW
10
S
5
S
10
SSE
10
SSW
15
SSW
15
SSW
15
S
20
SSW
20
SW
15
SSW
15
SSW
10
SW
5
N
20
NNE
 mm 
9
2
2
9
2
8
7
6
1
1
15
10
6
1
2
6
18
1
2
4
2
1
1
max°C
11
13
12
12
11
11
11
12
12
9
4
9
8
5
9
6
6
9
6
7
9
5
8
9
5
7
9
8
7
11
8
13
19
16
10
10
10
10
12
9
8
10
8
8
12
10
8
Moonrise
7:03
7:20
7:38
7:59
8:26
9:03
9:52
10:55
12:10
1:30
2:50
4:07
5:21
6:33
7:44
Moonset
7:21
8:41
10:03
11:28
12:53
2:13
3:20
4:12
4:49
5:17
5:39
5:56
6:12
6:27
6:42
Sunrise
7:16
7:15
7:13
7:11
7:09
7:07
7:05
7:03
7:01
6:58
6:56
6:54
6:52
6:50
6:48
6:47
Sunset
7:19
7:20
7:22
7:22
7:23
7:25
7:27
7:29
7:30
7:31
7:32
7:34
7:36
7:37
7:38
Today's sea temperature in Vashon is
9.1° C
(Statistics for 17 Mar 1981-2005 – mean: 8.7 max: 10.2 min: 7.5°C)
Issued (local time): 10 pm Tuesday 17 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest