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 05:41 AM and sunset is at 08:01 PM.

Days 1–3 Weather Summary

Some drizzle, heaviest during Fri morning. Warm air temperatures (max 24°C on Wed afternoon, min 16°C on Fri morning). Winds increasing (calm on Wed morning, fresh winds from the S by Wed night).

Days 4–6 Weather Summary

Mostly dry. Warm air temperatures (max 20°C on Sun afternoon, min 16°C on Mon night). Wind will be generally light.

Days 7–9 Weather Summary

Light rain (total 2mm), mostly falling on Wed morning. Warm (max 28°C on Wed afternoon, min 16°C on Tue night). Winds increasing (calm on Tue morning, fresh winds from the SSW by Wed night).

Days 10–12 Weather Summary

Some drizzle, heaviest during Mon morning. Warm (max 22°C on Sun morning, min 19°C on Fri morning). Wind will be generally light.

Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
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
11:41AM1.46m
00:37AM1.05m
12:25PM1.41m
1:23AM1.08m
1:13PM1.35m
2:12AM1.12m
2:06PM1.26m
3:06AM1.18m
3:05PM1.18m
4:03AM1.25m
4:13PM1.10m
5:04AM1.33m
5:27PM1.04m
6:04AM1.43m
6:40PM1.01m
7:02AM1.52m
7:48PM1.00m
7:58AM1.59m
8:45PM1.02m
8:49AM1.64m
9:37PM1.05m
9:38AM1.65m
10:26PM1.08m
Low Tide
5:16AM0.42m
6:34PM0.17m
6:06AM0.45m
7:16PM0.20m
7:02AM0.47m
7:58PM0.24m
8:02AM0.48m
8:44PM0.27m
9:09AM0.48m
9:32PM0.31m
10:21AM0.45m
10:24PM0.33m
11:35AM0.39m
11:18PM0.34m
12:47PM0.30m
00:14AM0.33m
1:54PM0.21m
1:11AM0.32m
2:50PM0.13m
2:08AM0.30m
3:41PM0.07m
3:03AM0.27m
4:29PM0.03m
3:56AM0.27m
Wave
height (m) 
direction
period (s) 
1.5
S
9
1.3
S
9
1.2
ESE
5
1.8
S
10
2.1
S
11
2.5
S
11
2.5
S
11
2.5
S
11
1.9
S
11
1.7
S
10
1.7
S
10
1.8
S
10
1.6
S
10
1.9
S
10
1.8
SSE
9
1.9
SSE
9
2
SSE
10
1.9
SSE
9
1.8
SSE
10
1.7
SSE
9
1.7
SSE
9
1.4
SE
9
1.4
SE
9
2.1
SSE
8
2
SSE
9
1.6
SSE
9
1.4
SSE
9
1.9
S
11
1.8
S
11
1.8
S
11
1.6
S
10
1.4
S
10
1.2
S
9
1.2
S
9
1.2
S
9
1.2
S
9
part cloud
clear
part cloud
cloud
cloud
cloud
light rain
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
part cloud
light rain
light rain
part cloud
clear
clear
clear
part cloud
clear
part cloud
cloud
part cloud
clear
part cloud
cloud
part cloud
some clouds
clear
some clouds
cloudy
cloudy
cloudy
light rain
some clouds
some clouds
clear
clear
some clouds
some clouds
some clouds
clear
some clouds
clear
clear
clear
clear
some clouds
light rain
light rain
some clouds
clear
clear
clear
some clouds
clear
some clouds
cloudy
some clouds
clear
some clouds
cloudy
some clouds
 km/h
10
ENE
25
ENE
35
S
15
SE
30
SSE
20
SSE
30
S
20
SSE
10
SE
15
SE
15
ESE
10
SSE
20
S
25
S
15
S
20
S
20
SSE
0
S
10
ESE
25
ENE
20
NE
15
NNW
30
NW
20
SSW
20
W
20
SE
15
SSE
15
SE
20
ESE
15
ESE
20
ESE
20
E
15
ENE
20
ENE
25
E
20
ENE
 mm 
1
1
1
max°C
22
24
23
20
19
17
16
18
18
18
19
18
19
20
19
19
20
19
19
21
20
25
28
24
21
25
21
19
20
20
20
21
21
22
22
21
Moonrise
9:08
10:10
11:11
12:14
1:17
2:24
3:34
4:48
6:03
7:14
8:16
9:08
Moonset
11:04
11:33
12:00
12:28
12:56
1:28
2:06
2:52
3:48
4:54
6:07
Sunrise
5:41
5:43
5:43
5:43
5:43
5:45
5:46
5:46
5:47
5:48
5:48
5:50
Sunset
8:01
8:02
8:02
8:04
8:04
8:04
8:04
8:05
8:05
8:05
8:05
8:05
Today's sea temperature in Swansea is
24.5° C
(Statistics for 24 Dec 1981-2005 – mean: 22.8 max: 24.8 min: 21.0°C)
Issued (local time): 10 am Wednesday 24 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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