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 07:52 AM and sunset is at 04:19 PM.

Days 1–3 Weather Summary

Moderate rain (total 14mm), heaviest on Thu morning. Cool air temperatures (max 10°C on Thu afternoon, min 3°C on Thu night). Wind will be generally light.

Days 4–6 Weather Summary

Heavy rain (total 29mm), heaviest during Sat night. Low air temperatures (max 7°C on Sat afternoon, min 2°C on Sat night). Wind will be generally light.

Days 7–9 Weather Summary

Light rain (total 8mm), mostly falling on Tue morning. Mild temperatures (max 5°C on Tue morning, min 1°C on Thu morning). Wind will be generally light.

Days 10–12 Weather Summary

Heavy rain (total 20mm), heaviest during Sun morning. Freeze-thaw conditions (max 7°C on Sun morning, min -1°C on Fri night). Wind will be generally light.

Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
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
1:57PM3.21m
5:20AM3.61m
2:29PM3.18m
5:56AM3.72m
3:02PM3.17m
6:29AM3.80m
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
Low Tide
9:27AM2.45m
9:30PM-0.22m
10:13AM2.52m
10:04PM-0.35m
10:54AM2.55m
10:37PM-0.43m
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
Wave
height (m) 
direction
period (s) 
clear
cloud
light rain
mod rain
light rain
rain showers
cloud
cloud
part cloud
cloud
light rain
rain showers
light rain
light rain
mod rain
light rain
rain showers
rain showers
mod rain
part cloud
light rain
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
clear
clear
clear
part cloud
light rain
heavy rain
light rain
rain showers
clear
cloudy
light rain
mod rain
light rain
rain shwrs
cloudy
cloudy
some clouds
cloudy
light rain
rain shwrs
light rain
light rain
mod rain
light rain
rain shwrs
rain shwrs
mod rain
some clouds
light rain
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
some clouds
clear
clear
clear
some clouds
light rain
heavy rain
light rain
rain shwrs
 km/h
25
SW
25
SSW
15
S
10
S
15
SSW
20
SSW
20
SSW
20
SSW
20
SSW
15
S
10
S
5
S
20
SSW
15
SSW
20
S
15
S
20
SW
15
S
10
SSW
5
NW
5
N
10
N
5
N
0
NNE
10
NNE
10
N
5
N
10
N
10
N
5
NNE
5
SSE
5
SSW
10
S
10
SSE
20
SSW
20
SW
 mm 
3
6
4
1
3
4
2
2
10
5
1
2
7
1
1
12
5
2
max°C
9
8
7
6
10
9
6
6
5
6
7
5
6
6
6
6
6
5
5
3
2
4
3
3
2
3
3
4
3
0
4
4
5
7
5
5
Moonrise
6:05
7:11
8:10
9:00
9:40
10:11
10:36
10:56
11:13
11:29
11:45
12:02
Moonset
2:15
2:51
3:38
4:36
5:42
6:53
8:07
9:20
10:33
11:48
1:04
Sunrise
7:52
7:52
7:52
7:54
7:54
7:54
7:54
7:56
7:56
7:56
7:56
7:56
Sunset
4:19
4:19
4:20
4:20
4:21
4:21
4:22
4:22
4:22
4:23
4:24
4:24
Today's sea temperature in Vashon is
10.9° C
(Statistics for 17 Dec 1981-2005 – mean: 8.7 max: 10.1 min: 7.5°C)
Issued (local time): 9 am Wednesday 17 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest