Seattle Sea Conditions and Tide Table

Seattle 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 04:17 PM.

Days 1–3 Weather Summary

Moderate rain (total 13mm), heaviest on Thu morning. 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

A dusting of snow. Milder later with heavy rain (total 20mm) on Sun 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 9mm), mostly falling on Tue morning. Temperatures will be slightly above freezing (max 4°C on Tue morning, min 2°C on Tue night). Wind will be generally light.

Days 10–12 Weather Summary

Moderate rain (total 18mm), heaviest on Sun morning. Freeze-thaw conditions (max 6°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
1:55PM3.15m
5:18AM3.54m
2:27PM3.12m
5:54AM3.65m
3:00PM3.11m
6:27AM3.72m
3:36PM3.10m
6:59AM3.78m
4:14PM3.07m
7:29AM3.81m
4:56PM3.00m
8:00AM3.84m
5:43PM2.88m
8:30AM3.85m
6:39PM2.71m
9:01AM3.85m
7:48PM2.53m
9:32AM3.83m
9:10PM2.40m
10:05AM3.79m
10:44PM2.40m
10:39AM3.74m
00:25AM2.57m
Low Tide
9:25AM2.43m
9:28PM-0.22m
10:11AM2.49m
10:02PM-0.34m
10:52AM2.52m
10:35PM-0.43m
11:30AM2.52m
11:09PM-0.47m
12:09PM2.48m
11:45PM-0.46m
12:50PM2.40m
00:21AM-0.38m
1:35PM2.27m
00:58AM-0.21m
2:23PM2.08m
1:38AM0.05m
3:15PM1.80m
2:20AM0.42m
4:08PM1.44m
3:07AM0.87m
5:01PM1.01m
4:01AM1.37m
5:53PM0.55m
5:06AM1.85m
Wave
height (m) 
direction
period (s) 
clear
part cloud
light rain
light rain
light rain
rain showers
cloud
cloud
cloud
cloud
light rain
snow showers
light rain
light rain
mod rain
light rain
light rain
rain showers
mod rain
cloud
cloud
cloud
part cloud
part cloud
light rain
cloud
cloud
part cloud
clear
clear
clear
part cloud
light rain
heavy rain
light rain
rain showers
clear
some clouds
light rain
light rain
light rain
rain shwrs
cloudy
cloudy
cloudy
cloudy
light rain
snow shwrs
light rain
light rain
mod rain
light rain
light rain
rain shwrs
mod rain
cloudy
cloudy
cloudy
some clouds
some clouds
light rain
cloudy
cloudy
some clouds
clear
clear
clear
some clouds
light rain
heavy rain
light rain
rain shwrs
 km/h
20
SW
20
SSW
15
S
10
S
15
S
10
S
15
SSW
15
SSW
15
SSW
15
S
10
S
5
SSE
20
S
15
S
15
S
20
S
20
SSW
15
S
10
SSW
0
WNW
0
NNE
5
NNE
5
NNW
5
ENE
10
N
5
N
5
N
10
N
10
N
5
NE
5
SE
5
SSW
10
SSE
10
SSE
20
SSW
20
SW
 mm 
3
5
3
2
1
2
2
9
3
1
2
8
1
1
12
3
2
max°C
9
8
8
7
10
9
6
6
6
6
7
5
6
6
6
6
6
5
4
3
2
4
4
3
2
3
3
4
3
0
4
4
4
6
6
5
Moonrise
6:05
7:11
8:10
9:00
9:40
10:11
10:35
10:55
11:12
11:28
11:44
12:01
Moonset
2:14
2:50
3:37
4:35
5:41
6:52
8:06
9:19
10:33
11:47
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
4:17
4:19
4:19
4:19
4:20
4:20
4:21
4:22
4:22
4:22
4:23
4:24
Today's sea temperature in Seattle is
11.0° C
(Statistics for 17 Dec 1981-2005 – mean: 8.6 max: 10.0 min: 7.4°C)
Issued (local time): 9 am Wednesday 17 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest