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 04:20 PM.

Days 1–3 Weather Summary

Heavy rain (total 25mm), heaviest during Thu afternoon. Cool air temperatures (max 10°C on Thu afternoon, min 4°C on Thu night). Wind will be generally light.

Days 4–6 Weather Summary

Heavy rain (total 27mm), heaviest during Mon night. Low air temperatures (max 9°C on Mon morning, min 4°C on Tue night). Wind will be generally light.

Days 7–9 Weather Summary

Moderate rain (total 10mm), heaviest on Wed night. Mild temperatures (max 5°C on Wed morning, min 2°C on Thu night). Wind will be generally light.

Days 10–12 Weather Summary

Heavy rain (total 83mm), heaviest during Sun morning. Very mild (max 13°C on Mon afternoon, min 6°C on Sat night). Wind will be generally light.

Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
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
11:29AM3.04m
5:17AM3.17m
11:49AM3.07m
5:49AM3.23m
12:11PM3.09m
6:22AM3.26m
12:37PM3.10m
6:57AM3.29m
1:07PM3.07m
7:33AM3.30m
1:39PM2.98m
8:07AM3.31m
2:12PM2.80m
8:39AM3.29m
2:45PM2.52m
9:08AM3.25m
7:38PM2.04m
9:31AM3.21m
10:06PM1.97m
9:43AM3.17m
00:40AM2.17m
9:38AM3.20m
2:18AM2.57m
Low Tide
7:59AM2.78m
8:43PM0.26m
8:32AM2.83m
9:15PM0.19m
9:02AM2.85m
9:47PM0.15m
9:36AM2.85m
10:20PM0.16m
10:14AM2.83m
10:53PM0.21m
11:00AM2.78m
11:26PM0.33m
11:56AM2.68m
00:01AM0.53m
1:10PM2.49m
00:38AM0.81m
7:13PM2.04m
4:33PM1.71m
2:04AM1.62m
5:03PM1.22m
3:10AM2.07m
5:44PM0.74m
4:38AM2.45m
Wave
height (m) 
direction
period (s) 
light rain
heavy rain
rain showers
cloud
part cloud
rain showers
light rain
light rain
rain showers
mod rain
light rain
rain showers
cloud
light rain
heavy rain
cloud
cloud
light rain
cloud
part cloud
light rain
cloud
light rain
light rain
light rain
light rain
rain showers
cloud
cloud
light rain
heavy rain
mod rain
heavy rain
mod rain
heavy rain
heavy rain
light rain
heavy rain
rain shwrs
cloudy
some clouds
rain shwrs
light rain
light rain
rain shwrs
mod rain
light rain
rain shwrs
cloudy
light rain
heavy rain
cloudy
cloudy
light rain
cloudy
some clouds
light rain
cloudy
light rain
light rain
light rain
light rain
rain shwrs
cloudy
cloudy
light rain
heavy rain
mod rain
heavy rain
mod rain
heavy rain
heavy rain
 km/h
10
SSE
20
SW
25
SW
20
SSW
20
SSW
15
SSW
15
S
20
SSW
20
S
20
S
15
S
15
S
20
S
20
S
10
SSE
5
ESE
5
N
5
N
5
N
5
NE
15
NNE
10
N
10
N
10
NNE
10
N
5
N
10
S
20
S
20
S
10
SSE
15
SSE
10
SSE
5
SE
5
ESE
15
SE
20
S
 mm 
5
12
1
1
1
2
3
6
5
1
2
12
1
3
1
2
1
2
1
1
15
9
12
10
15
14
max°C
6
10
8
6
6
5
7
7
7
8
6
6
9
7
5
6
5
5
5
5
5
4
3
2
3
3
5
8
8
8
6
6
7
7
13
12
Moonrise
7:10
8:10
9:00
9:40
10:11
10:35
10:55
11:12
11:28
11:44
12:02
12:23
Moonset
2:52
3:39
4:36
5:43
6:54
8:07
9:20
10:33
11:48
1:05
2:25
Sunrise
7:52
7:52
7:54
7:54
7:54
7:54
7:54
7:56
7:56
7:56
7:56
7:56
Sunset
4:20
4:20
4:21
4:21
4:22
4:22
4:22
4:22
4:23
4:24
4:25
4:25
Today's sea temperature in Vashon is
10.6° C
(Statistics for 18 Dec 1981-2005 – mean: 8.8 max: 9.9 min: 7.5°C)
Issued (local time): 9 am Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest