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 07:50 AM and sunset is at 04:17 PM.

Days 1–3 Weather Summary

Heavy rain (total 39mm), heaviest during Tue night. Cool air temperatures (max 15°C on Mon morning, min 6°C on Wed night). Winds decreasing (fresh winds from the SSW on Mon morning, light winds from the S by Wed night).

Days 4–6 Weather Summary

Light rain (total 9mm), mostly falling on Thu morning. Cool air temperatures (max 10°C on Thu afternoon, min 4°C on Thu night). Winds decreasing (fresh winds from the SSW on Thu afternoon, calm by Thu night).

Days 7–9 Weather Summary

Heavy rain (total 27mm), mainly falling on Sun afternoon. Becoming colder with a light covering of snow, mostly falling on Sun night. Freeze-thaw conditions (max 6°C on Sun morning, min 0°C on Mon night). Wind will be generally light.

Days 10–12 Weather Summary

Heavy rain (total 80mm), heaviest during Fri night. Very mild (max 10°C on Fri afternoon, min 4°C on Wed morning). Winds increasing (calm on Wed afternoon, fresh winds from the S by Fri night).

Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
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
12:56PM3.29m
3:51AM3.13m
1:25PM3.20m
4:38AM3.36m
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
Low Tide
7:24AM2.12m
8:22PM0.16m
8:29AM2.31m
8:56PM-0.05m
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
Wave
height (m) 
direction
period (s) 
light rain
rain showers
part cloud
rain showers
mod rain
rain showers
part cloud
part cloud
light rain
light rain
cloud
rain showers
part cloud
part cloud
part cloud
cloud
cloud
light rain
cloud
mod rain
mod snow
part cloud
clear
snow showers
cloud
light rain
heavy rain
light rain
cloud
cloud
light rain
mod rain
heavy rain
mod rain
mod rain
heavy rain
light rain
rain shwrs
some clouds
rain shwrs
mod rain
rain shwrs
some clouds
some clouds
light rain
light rain
cloudy
rain shwrs
some clouds
some clouds
some clouds
cloudy
cloudy
light rain
cloudy
mod rain
mod snow
some clouds
clear
snow shwrs
cloudy
light rain
heavy rain
light rain
cloudy
cloudy
light rain
mod rain
heavy rain
mod rain
mod rain
heavy rain
 km/h
25
SSW
30
SW
15
SSW
15
SSW
25
SSW
25
WSW
20
SW
20
SSW
15
S
10
S
30
SSW
10
SSW
10
S
15
SSW
20
SSW
20
SSW
15
S
10
S
10
SSE
0
WSW
5
W
10
SSW
5
S
10
SSE
15
S
5
SE
5
SSE
5
N
0
N
10
S
20
SSE
25
SSW
25
SSW
30
S
30
S
30
S
 mm 
5
1
4
8
20
1
5
3
1
8
1
4
14
2
4
9
12
6
9
31
max°C
15
13
9
12
12
13
8
7
7
6
10
8
7
6
5
5
5
6
6
6
3
4
4
4
6
4
5
4
4
5
6
8
9
9
10
9
Moonrise
3:48
4:57
6:05
7:11
8:10
9:00
9:40
10:11
10:35
10:55
11:12
11:28
Moonset
1:24
1:45
2:14
2:50
3:37
4:35
5:41
6:52
8:06
9:19
10:33
11:47
Sunrise
7:50
7:50
7:52
7:52
7:52
7:54
7:54
7:54
7:54
7:56
7:56
7:56
Sunset
4:17
4:17
4:17
4:19
4:19
4:19
4:20
4:20
4:21
4:22
4:22
4:22
Today's sea temperature in Seattle is
10.8° C
(Statistics for 15 Dec 1981-2005 – mean: 8.7 max: 10.0 min: 7.2°C)
Issued (local time): 9 am Monday 15 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest