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 07:01 AM and sunset is at 06:54 PM.

Days 1–3 Weather Summary

Some drizzle, heaviest during Fri night. Warm air temperatures (max 20°C on Sat night, min 14°C on Fri afternoon). Winds decreasing (strong winds from the WSW on Fri afternoon, calm by Sun night).

Days 4–6 Weather Summary

Mostly dry. Warm air temperatures (max 24°C on Wed afternoon, min 17°C on Wed morning). Wind will be generally light.

Days 7–9 Weather Summary

Moderate rain (total 19mm), heaviest on Sat morning. Warm (max 26°C on Fri afternoon, min 19°C on Fri morning). Wind will be generally light.

Days 10–12 Weather Summary

Light rain (total 4mm), mostly falling on Sun morning. Warm (max 23°C on Mon afternoon, min 20°C on Sun morning). Wind will be generally light.

Friday
27
Saturday
28
Sunday
29
Monday
30
Tuesday
31
Wednesday
1
Thursday
2
Friday
3
Saturday
4
Sunday
5
Monday
6
Tuesday
7
Wednesday
8
Thursday
9
Friday
10
Sat
11
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
5:24PM0.90m
5:17AM1.31m
6:26PM1.00m
6:22AM1.36m
7:13PM1.11m
7:16AM1.39m
7:53PM1.22m
8:02AM1.40m
8:32PM1.31m
8:44AM1.38m
9:08PM1.38m
9:24AM1.33m
9:44PM1.42m
10:02AM1.25m
10:20PM1.42m
10:39AM1.16m
10:55PM1.40m
11:16AM1.07m
11:31PM1.35m
11:54AM0.97m
00:07AM1.29m
12:36PM0.88m
00:46AM1.23m
1:26PM0.82m
1:30AM1.18m
2:30PM0.79m
2:24AM1.15m
Low Tide
11:09AM0.29m
10:36PM0.48m
12:12PM0.24m
11:51PM0.41m
1:01PM0.20m
00:53AM0.33m
1:43PM0.16m
1:46AM0.25m
2:20PM0.15m
2:34AM0.20m
2:56PM0.14m
3:18AM0.17m
3:29PM0.16m
4:01AM0.17m
4:02PM0.20m
4:44AM0.20m
4:34PM0.25m
5:26AM0.24m
5:05PM0.31m
6:09AM0.30m
5:36PM0.38m
6:55AM0.35m
6:09PM0.45m
7:46AM0.39m
6:49PM0.52m
8:42AM0.42m
7:45PM0.57m
9:41AM0.41m
Wave
height (m) 
direction
period (s) 
1.9
ESE
11
2
ESE
11
4.5
S
14
5
SSE
14
4.5
SSE
13
3.5
SSE
12
3
SSE
12
2.5
SSE
11
2
SSE
10
1.6
SSE
10
1.4
SSE
9
1.2
SSE
9
1
SE
8
1
SE
8
1
SSE
14
1
S
12
1.1
S
12
1
SSE
15
0.8
SSE
13
1
S
13
1
E
6
0.8
SSE
14
0.8
SSE
13
1.5
S
6
1.6
S
8
1.4
SSE
8
1.1
SSE
7
1.3
SSE
7
1.3
SE
7
1.3
ESE
7
1
ESE
6
0.9
ESE
7
0.9
ESE
8
0.8
ESE
8
0.8
ESE
8
1
E
8
1.1
E
8
1.1
E
8
1.2
E
8
1.4
E
18
1.8
E
17
1.9
E
16
1.8
E
16
1.9
E
15
2
E
14
3.5
SSE
8
3.5
E
15
part cloud
cloud
rain showers
part cloud
clear
clear
clear
clear
clear
cloud
clear
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
clear
part cloud
clear
clear
rain showers
rain showers
thunderstorm
thunderstorm
rain showers
rain showers
rain showers
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
thunderstorm
light rain
light rain
some clouds
cloudy
rain shwrs
some clouds
clear
clear
clear
clear
clear
cloudy
clear
clear
clear
clear
some clouds
clear
clear
some clouds
some clouds
clear
some clouds
clear
clear
rain shwrs
rain shwrs
risk tstorm
risk tstorm
rain shwrs
rain shwrs
rain shwrs
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
risk tstorm
light rain
light rain
 km/h
35
WNW
40
WSW
30
WSW
25
SW
25
S
20
SW
20
SSW
15
SSE
5
SSE
5
SSE
15
ESE
5
NNE
5
ENE
20
ENE
10
NNE
10
N
25
ENE
15
NNE
10
NNE
25
ENE
20
NNE
10
NNE
10
ESE
25
SSE
10
ESE
10
ESE
10
SW
15
SSW
15
SE
10
ESE
10
SSW
15
SSE
5
W
0
SE
15
ENE
10
NNE
15
NE
20
ENE
15
NNE
15
NE
25
ENE
15
NE
15
NNE
30
ENE
25
SSE
35
S
30
S
 mm 
1
5
5
2
7
2
1
1
10
4
2
max°C
15
15
16
17
19
20
18
20
20
20
21
20
20
21
20
21
24
22
23
24
23
24
26
22
21
22
21
21
22
21
22
23
22
21
23
22
22
23
21
21
23
21
21
24
22
18
18
Moonrise
3:34
4:15
4:49
5:19
5:47
6:12
6:38
7:06
7:36
7:10
7:48
8:33
9:23
10:18
11:17
Moonset
12:30
1:40
2:48
3:54
4:56
5:57
6:57
7:55
8:55
8:55
9:54
10:52
11:46
12:36
1:20
1:58
Sunrise
7:01
7:01
7:01
7:03
7:03
7:03
7:05
7:05
7:05
6:07
7:07
7:09
7:09
7:09
7:11
7:11
Sunset
6:54
6:53
6:52
6:51
6:50
6:49
6:46
6:45
6:45
5:44
6:42
6:40
6:39
6:38
6:37
6:36
Today's sea temperature in Swansea is
24.6° C
(Statistics for 27 Mar 1981-2005 – mean: 23.3 max: 25.0 min: 21.8°C)
Issued (local time): 4 am Friday 27 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest