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 — and sunset is at 08:14 PM.

Days 1–4 Weather Summary

Some drizzle, heaviest during Fri afternoon. Cool air temperatures (max 12°C on Sat afternoon, min 7°C on Sat night). Wind will be generally light.

Days 5–7 Weather Summary

Mostly dry. Cool air temperatures (max 13°C on Wed afternoon, min 5°C on Tue night). Winds increasing (light winds from the E on Mon afternoon, fresh winds from the ENE by Tue morning).

Days 8–10 Weather Summary

Mostly dry. Very mild (max 15°C on Thu afternoon, min 5°C on Thu night). Wind will be generally light.

Days 11–13 Weather Summary

Mostly dry. Very mild (max 11°C on Sun afternoon, min 3°C on Tue night). Winds increasing (calm on Sun night, fresh winds from the NNW by Mon night).

Fri
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
1
Saturday
2
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
night
Wave Height Map
High Tide
7:19PM9.85m
7:39AM10.10m
7:59PM10.08m
8:19AM10.16m
8:39PM10.05m
9:01AM9.93m
9:22PM9.76m
9:46AM9.44m
10:08PM9.24m
10:35AM8.77m
11:00PM8.59m
11:33AM8.04m
00:03AM7.93m
12:44PM7.42m
1:21AM7.47m
2:11PM7.15m
2:49AM7.42m
3:35PM7.32m
4:05AM7.74m
4:39PM7.74m
5:02AM8.17m
5:28PM8.20m
5:47AM8.57m
6:09PM8.59m
6:26AM8.87m
6:44PM8.89m
7:00AM9.04m
7:17PM9.07m
Low Tide
1:05PM0.60m
1:22AM0.47m
1:43PM0.35m
2:01AM0.31m
2:22PM0.37m
2:42AM0.42m
3:03PM0.65m
3:25AM0.79m
3:46PM1.17m
4:12AM1.38m
4:35PM1.86m
5:08AM2.08m
5:35PM2.58m
6:18AM2.74m
6:54PM3.14m
7:50AM3.08m
8:30PM3.28m
9:20AM2.97m
9:51PM2.99m
10:27AM2.60m
10:50PM2.55m
11:17AM2.19m
11:34PM2.11m
11:57AM1.84m
00:12AM1.75m
12:31PM1.57m
00:46AM1.49m
1:02PM1.40m
Wave
height (m) 
direction
period (s) 
1.5
WSW
11
1.4
WSW
11
1.3
WSW
11
1.2
WSW
10
0.9
WSW
10
0.6
WSW
10
0.5
WSW
10
0.4
WSW
10
0.5
WSW
10
0.3
WSW
9
0.3
WSW
13
0.8
ESE
4
0.8
E
4
0.9
ESE
4
0.9
ESE
4
0.6
ESE
4
0.7
ESE
4
0.7
ESE
4
0.4
ESE
3
0.5
E
3
0.4
SE
5
0.4
SW
11
0.4
SW
10
0.5
SW
11
0.5
SW
10
0.4
SW
10
0.4
SW
9
0.5
SW
7
0.3
SW
8
0.2
WSW
8
0.6
W
3
0.7
W
4
0.7
NNW
3
0.7
NNW
3
0.4
WNW
4
0.3
WSW
6
0.5
NW
3
0.5
W
4
0.7
W
6
0.5
W
6
0.4
SW
12
0.3
WSW
11
0.4
SW
11
0.4
SW
11
0.4
WSW
10
0.3
WSW
10
0.3
WSW
10
rain showers
clear
part cloud
clear
part cloud
clear
part cloud
part cloud
clear
cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
rain showers
clear
clear
clear
part cloud
part cloud
cloud
cloud
part cloud
part cloud
rain shwrs
clear
some clouds
clear
some clouds
clear
some clouds
some clouds
clear
cloudy
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
clear
rain shwrs
clear
clear
clear
some clouds
some clouds
cloudy
cloudy
some clouds
some clouds
 km/h
20
SW
20
WSW
20
WNW
20
NW
10
N
5
ESE
5
SSW
10
ENE
15
ESE
10
E
15
ENE
35
ENE
35
E
30
ENE
30
ENE
25
E
25
E
25
E
20
E
20
ENE
15
E
5
SE
10
N
25
NNW
20
E
15
N
20
N
25
N
10
NNE
10
W
25
W
30
NNW
30
NNW
30
NNW
15
NNW
20
N
25
NNW
20
WSW
20
N
20
NNW
10
NE
5
S
10
SW
10
E
15
SE
10
SSE
10
S
 mm 
1
2
max°C
11
9
9
12
9
11
12
10
11
12
9
10
12
8
11
13
10
13
15
12
13
15
11
12
11
8
10
11
8
9
10
9
9
9
6
8
8
6
9
9
5
8
9
7
9
10
9
Moonrise
6:09
6:33
7:09
8:01
9:12
10:35
12:02
1:26
2:46
4:03
5:18
6:32
7:46
9:01
10:15
Moonset
8:51
10:25
11:57
1:20
2:23
3:07
3:36
3:56
4:11
4:24
4:34
4:45
4:57
5:10
5:27
Sunrise
6:13
6:11
6:09
6:07
6:05
6:03
6:01
6:00
5:58
5:56
5:54
5:52
5:50
5:48
5:46
Sunset
8:14
8:15
8:17
8:20
8:21
8:22
8:24
8:25
8:28
8:30
8:30
8:32
8:35
8:36
8:37
8:39
Today's sea temperature in Swansea is
10.8° C
(Statistics for 17 Apr 1981-2005 – mean: 9.5 max: 10.2 min: 7.5°C)
Issued (local time): 6 pm Friday 17 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest