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 06:52 AM and sunset is at 07:12 PM.

Days 1–3 Weather Summary

Mostly dry. Warm air temperatures (max 23°C on Mon afternoon, min 10°C on Sun morning). Wind will be generally light.

Days 4–6 Weather Summary

Moderate rain (total 12mm), heaviest on Thu afternoon. Warm air temperatures (max 21°C on Wed afternoon, min 8°C on Fri night). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Warm (max 21°C on Mon afternoon, min 8°C on Sat morning). Wind will be generally light.

Days 10–12 Weather Summary

Moderate rain (total 10mm), heaviest on Thu night. Warm (max 24°C on Wed afternoon, min 11°C on Tue morning). Wind will be generally light.

Days 13–16 Weather Summary

Mostly dry. Warm (max 25°C on Sun afternoon, min 8°C on Sat morning). Wind will be generally light.

Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sunday
27
Monday
28
Tuesday
29
Wednesday
30
Thursday
1
Friday
2
Saturday
3
Sunday
4
Mon
5
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
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
High Tide
3:37PM2.88m
9:36PM2.65m
3:34PM2.92m
10:46PM2.60m
3:42PM2.96m
00:14AM2.55m
3:58PM3.00m
2:19AM2.55m
4:19PM3.03m
3:43AM2.62m
4:42PM3.02m
4:48AM2.71m
5:05PM2.99m
5:47AM2.82m
5:26PM2.95m
6:44AM2.91m
5:38PM2.91m
7:41AM2.97m
4:08PM2.94m
8:40AM2.99m
4:19PM3.04m
9:45AM2.99m
4:49PM3.08m
10:58AM2.99m
5:26PM3.05m
12:21PM3.03m
6:13PM2.94m
1:30PM3.10m
Low Tide
6:09AM0.94m
8:08PM2.64m
6:54AM0.89m
8:19PM2.55m
7:31AM0.86m
8:27PM2.40m
8:02AM0.87m
8:42PM2.18m
8:32AM0.94m
9:07PM1.88m
9:03AM1.08m
9:38PM1.54m
9:37AM1.28m
10:12PM1.18m
10:12AM1.52m
10:51PM0.85m
10:49AM1.80m
11:32PM0.59m
11:28AM2.09m
00:17AM0.43m
12:10PM2.35m
1:08AM0.37m
12:54PM2.58m
2:07AM0.40m
1:50PM2.76m
3:17AM0.48m
3:29PM2.86m
4:35AM0.54m
Wave
Height (m)
Direction
Period (s)
part cloud
clear
clear
part cloud
clear
part cloud
cloud
part cloud
part cloud
clear
part cloud
part cloud
cloud
light rain
mod rain
cloud
part cloud
clear
part cloud
part cloud
part cloud
clear
clear
part cloud
cloud
part cloud
cloud
light rain
cloud
rain showers
part cloud
part cloud
clear
clear
cloud
mod rain
light rain
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
some clouds
clear
some clouds
cloudy
some clouds
some clouds
clear
some clouds
some clouds
cloudy
light rain
mod rain
cloudy
some clouds
clear
some clouds
some clouds
some clouds
clear
clear
some clouds
cloudy
some clouds
cloudy
light rain
cloudy
rain shwrs
some clouds
some clouds
clear
clear
cloudy
mod rain
light rain
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
km/h
5
N
10
N
5
N
5
WSW
5
SSW
5
S
5
SW
10
N
5
S
10
SSW
5
WSW
5
NNE
5
N
5
SSW
5
SSW
5
SSW
5
NNE
5
SSW
0
S
10
N
5
NNE
5
NNE
5
N
5
NE
0
E
0
N
0
NNW
0
SW
5
S
5
SSE
5
SSW
10
SW
5
S
10
SSW
15
WSW
10
E
5
E
10
NNE
5
NNE
15
NNE
15
N
10
NNE
10
NNE
5
NNW
5
NE
5
NNE
10
N
 mm
5
7
1
1
7
1
max °C
16
22
16
16
23
18
14
20
15
15
21
15
13
14
11
11
17
14
11
17
13
13
19
15
15
21
17
12
14
13
17
24
17
19
24
17
13
16
14
13
16
13
17
25
18
18
24
Moonrise
4:46
5:14
5:36
5:55
6:12
6:28
6:45
7:03
7:25
7:54
8:32
9:24
10:30
11:47
1:08
Moonset
1:04
2:14
3:26
4:38
5:51
7:05
8:22
9:42
11:05
12:27
1:43
2:47
3:37
4:13
4:41
Sunrise
6:52
6:54
6:56
6:56
6:58
7:00
7:01
7:01
7:03
7:05
7:05
7:07
7:09
7:11
7:11
7:13
Sunset
7:12
7:09
7:07
7:06
7:04
7:01
7:00
6:58
6:55
6:53
6:52
6:50
6:47
6:45
6:44
6:42
Today's sea temperature in Vashon is
14.0°C
(Statistics for 20 Sep 1981-2005 – mean: 13.1 max: 15.3 min: 11.2°C)
Issued (local time): 4 am Sunday 20 Sep 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
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