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 07:54 AM and sunset is at 04:20 PM.

Days 1–3 Weather Summary

Heavy rain (total 32mm), heaviest during Mon afternoon. Low air temperatures (max 8°C on Sun afternoon, min 5°C on Sun night). Wind will be generally light.

Days 4–6 Weather Summary

Light rain (total 3mm) at first, then becoming colder with a dusting of snow on Thu night. Low air temperatures (max 7°C on Tue morning, min 1°C on Wed night). Wind will be generally light.

Days 7–9 Weather Summary

A dusting of new snow. Freeze-thaw conditions (max 4°C on Sat afternoon, min 0°C on Fri night). Wind will be generally light.

Days 10–12 Weather Summary

Light rain (total 8mm), mostly falling on Tue night. Freeze-thaw conditions (max 7°C on Wed afternoon, min 0°C on Mon morning). Wind will be generally light.

Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
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
3:38PM3.16m
7:01AM3.85m
4:16PM3.13m
7:31AM3.89m
4:58PM3.06m
8:02AM3.92m
5:45PM2.94m
8:32AM3.93m
6:41PM2.77m
9:03AM3.93m
7:50PM2.58m
9:34AM3.90m
9:12PM2.45m
10:07AM3.86m
10:46PM2.44m
10:41AM3.82m
00:27AM2.62m
11:17AM3.78m
2:01AM2.96m
11:58AM3.75m
3:16AM3.33m
12:43PM3.73m
4:16AM3.67m
Low Tide
11:32AM2.54m
11:11PM-0.48m
12:11PM2.51m
11:47PM-0.46m
12:52PM2.43m
00:23AM-0.38m
1:37PM2.30m
1:00AM-0.21m
2:25PM2.10m
1:40AM0.05m
3:17PM1.82m
2:22AM0.42m
4:10PM1.46m
3:09AM0.88m
5:03PM1.02m
4:03AM1.38m
5:55PM0.55m
5:08AM1.87m
6:46PM0.07m
6:22AM2.27m
7:37PM-0.36m
7:39AM2.54m
8:25PM-0.69m
Wave
height (m) 
direction
period (s) 
rain showers
mod rain
light rain
light rain
light rain
rain showers
light rain
mod rain
rain showers
part cloud
light rain
cloud
cloud
cloud
clear
cloud
light rain
light snow
snow showers
part cloud
part cloud
cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
light rain
mod rain
part cloud
part cloud
part cloud
rain shwrs
mod rain
light rain
light rain
light rain
rain shwrs
light rain
mod rain
rain shwrs
some clouds
light rain
cloudy
cloudy
cloudy
clear
cloudy
light rain
light snow
snow shwrs
some clouds
some clouds
cloudy
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
cloudy
light rain
mod rain
some clouds
some clouds
some clouds
 km/h
15
S
20
S
20
S
10
SSW
20
SSW
15
S
20
S
25
SSW
15
S
15
SSE
5
S
5
N
15
N
15
N
0
N
20
NNE
15
N
15
NNE
5
SE
5
WNW
0
NW
5
NNE
5
N
5
NNE
5
NE
0
NNE
0
ENE
0
SSW
0
SSW
5
SSE
5
SSW
5
SSW
5
S
5
S
5
S
5
SSE
 mm 
2
6
2
3
3
1
2
10
3
1
2
2
6
max°C
6
7
7
7
8
6
7
6
6
7
7
6
6
5
3
4
3
3
3
3
2
3
4
2
4
4
2
3
4
4
4
4
6
6
7
3
Moonrise
9:00
9:40
10:11
10:36
10:56
11:13
11:29
11:45
12:02
12:23
12:51
1:28
Moonset
4:36
5:42
6:53
8:07
9:20
10:33
11:48
1:04
2:25
3:50
5:16
Sunrise
7:54
7:54
7:54
7:54
7:56
7:56
7:56
7:56
7:56
7:56
7:56
7:56
Sunset
4:20
4:21
4:21
4:22
4:22
4:22
4:23
4:24
4:24
4:25
4:27
4:28
Today's sea temperature in Vashon is
10.8° C
(Statistics for 20 Dec 1981-2005 – mean: 8.6 max: 9.9 min: 7.3°C)
Issued (local time): 3 am Saturday 20 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest