Swansea Sea Conditions and Tide Table

Swansea 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 06:22 AM and sunset is at 07:12 PM.

Days 1–3 Weather Summary

Light rain (total 7mm), mostly falling on Sun afternoon. Cool air temperatures (max 12°C on Sat morning, min 1°C on Sat night). Wind will be generally light.

Days 4–6 Weather Summary

Some drizzle, heaviest during Tue afternoon. Icy conditions (max 10°C on Thu night, min -3°C on Tue night). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Very mild (max 17°C on Sun afternoon, min 1°C on Fri night). Wind will be generally light.

Days 10–12 Weather Summary

Light rain (total 7mm), mostly falling on Wed night. Warm (max 21°C on Mon afternoon, min 2°C on Tue night). Wind will be generally light.

Saturday
4
Sunday
5
Monday
6
Tuesday
7
Wednesday
8
Thursday
9
Friday
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sun
19
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
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
Wave Height Map
High Tide
9:46AM1.04m
10:06PM1.24m
10:24AM0.98m
10:46PM1.18m
11:04AM0.93m
11:28PM1.12m
11:47AM0.88m
00:14AM1.06m
12:37PM0.83m
1:06AM1.01m
1:33PM0.81m
2:02AM0.98m
2:36PM0.83m
3:01AM0.99m
3:37PM0.88m
3:59AM1.01m
4:33PM0.97m
4:52AM1.05m
5:22PM1.07m
5:41AM1.10m
6:09PM1.19m
6:28AM1.15m
6:54PM1.30m
7:15AM1.18m
7:40PM1.39m
8:02AM1.19m
8:26PM1.45m
8:49AM1.17m
Low Tide
3:15PM0.16m
4:07AM0.22m
3:47PM0.20m
4:43AM0.28m
4:21PM0.25m
5:24AM0.34m
5:00PM0.31m
6:14AM0.39m
5:46PM0.36m
7:21AM0.42m
6:47PM0.41m
8:43AM0.42m
8:11PM0.42m
9:47AM0.38m
9:37PM0.40m
10:33AM0.32m
10:41PM0.33m
11:12AM0.25m
11:33PM0.25m
11:49AM0.17m
00:19AM0.16m
12:25PM0.10m
1:05AM0.09m
1:04PM0.04m
1:50AM0.04m
1:44PM0.00m
2:37AM0.02m
2:26PM-0.01m
Wave
height (m) 
direction
period (s) 
0.7
S
6
0.7
S
6
0.5
S
6
1.1
S
6
1.5
S
7
0.9
S
8
0.8
S
8
1.1
S
8
0.6
S
8
0.4
S
7
0.7
SSW
6
0.5
N
3
0.1
S
7
0.2
S
2
0.7
SSW
4
0.8
SSW
4
0.9
SSW
4
0.7
SSW
5
0.4
SSW
4
0.4
ENE
3
0.6
E
3
0.4
SSE
8
0.4
SSE
12
0.4
SSE
11
0.6
SSW
4
0.7
SSW
4
0.9
SSW
5
0.8
SSW
6
1.2
SSW
6
0.7
SSW
7
0.6
SSW
6
0.5
ENE
3
0.3
S
6
0.5
S
3
0.6
S
4
0.5
S
4
0.5
S
6
0.5
S
6
0.4
S
6
0.3
S
6
0.4
S
6
0.3
S
3
0.5
S
4
0.8
S
5
0.8
S
6
1
S
6
1.2
SSW
6
clear
part cloud
rain showers
cloud
light rain
rain showers
clear
part cloud
part cloud
cloud
rain showers
clear
clear
clear
clear
part cloud
cloud
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
light rain
rain showers
clear
clear
clear
part cloud
clear
part cloud
cloud
part cloud
cloud
cloud
part cloud
clear
some clouds
rain shwrs
cloudy
light rain
rain shwrs
clear
some clouds
some clouds
cloudy
rain shwrs
clear
clear
clear
clear
some clouds
cloudy
some clouds
some clouds
cloudy
some clouds
some clouds
some clouds
clear
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
clear
clear
some clouds
some clouds
light rain
rain shwrs
clear
clear
clear
some clouds
clear
some clouds
cloudy
some clouds
cloudy
cloudy
some clouds
 km/h
20
NE
20
ENE
10
ESE
25
SSW
15
SW
15
NW
20
WNW
15
WNW
5
WNW
10
WSW
25
WNW
20
NNW
10
N
20
S
15
SSW
25
SSW
25
SSW
20
SW
5
NW
15
ENE
10
ENE
15
SSE
20
S
15
SSW
25
SW
20
SSW
20
SW
15
SW
25
SW
20
N
20
NE
15
ENE
5
S
20
SSW
25
S
5
WNW
10
N
5
SE
5
S
15
S
20
S
15
S
15
SSW
20
SSW
20
SSW
25
SSW
25
SSW
 mm 
1
3
3
1
2
5
max°C
12
5
5
11
12
11
7
10
8
7
9
3
1
5
1
6
8
10
11
13
4
4
5
8
15
17
14
18
21
19
7
8
4
5
8
9
11
14
7
10
10
10
12
14
13
14
16
Moonrise
10:19
11:23
12:23
1:18
2:06
2:46
3:19
3:47
4:12
4:34
4:56
5:19
5:44
6:14
6:52
Moonset
7:09
7:38
8:13
8:56
9:46
10:44
11:47
12:54
2:02
3:11
4:22
5:34
6:49
8:09
9:30
Sunrise
6:22
6:20
6:20
6:18
6:16
6:15
6:13
6:11
6:09
6:07
6:07
6:05
6:03
6:01
6:00
5:58
Sunset
7:12
7:14
7:15
7:15
7:16
7:17
7:19
7:20
7:21
7:22
7:22
7:24
7:25
7:27
7:28
7:29
Today's sea temperature in Swansea is
7.1° C
(Statistics for 04 Apr 1981-2005 – mean: 5.0 max: 6.8 min: 3.6°C)
Issued (local time): 1 am Saturday 04 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest