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 06:20 AM and sunset is at 05:20 PM.

Days 1–3 Weather Summary

Heavy rain (total 65mm), heaviest during Sun morning. Warm air temperatures (max 22°C on Fri afternoon, min 16°C on Sat night). Winds increasing (light winds from the N on Fri morning, fresh winds from the SW by Sun night).

Days 4–6 Weather Summary

Heavy rain (total 25mm), heaviest during Tue night. Warm air temperatures (max 21°C on Mon afternoon, min 13°C on Wed night). Winds increasing (calm on Tue morning, strong winds from the SSW by Wed afternoon).

Days 7–9 Weather Summary

Light rain (total 8mm), mostly falling on Thu night. Very mild (max 19°C on Sat morning, min 12°C on Thu night). Winds decreasing (strong winds from the SSW on Thu afternoon, light winds from the ENE by Sat afternoon).

Days 10–12 Weather Summary

Mostly dry. Warm (max 20°C on Sun morning, min 16°C on Tue night). Wind will be generally light.

Friday
25
Saturday
26
Sunday
27
Monday
28
Tuesday
29
Wednesday
30
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
Tuesday
6
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
6:28PM1.40m
6:46AM1.39m
7:11PM1.51m
7:35AM1.37m
7:54PM1.59m
8:24AM1.32m
8:38PM1.63m
9:13AM1.24m
9:23PM1.63m
10:04AM1.15m
10:11PM1.59m
10:58AM1.05m
11:02PM1.53m
11:58AM0.98m
11:57PM1.44m
1:08PM0.93m
00:59AM1.35m
2:27PM0.94m
2:07AM1.28m
3:42PM1.00m
3:18AM1.23m
4:38PM1.08m
4:21AM1.20m
Low Tide
12:08PM0.23m
00:35AM0.26m
12:50PM0.21m
1:27AM0.18m
1:32PM0.22m
2:20AM0.13m
2:13PM0.24m
3:12AM0.12m
2:56PM0.28m
4:06AM0.14m
3:40PM0.34m
5:03AM0.18m
4:29PM0.41m
6:03AM0.23m
5:24PM0.48m
7:06AM0.27m
6:28PM0.54m
8:11AM0.31m
7:42PM0.58m
9:12AM0.33m
9:00PM0.58m
10:06AM0.33m
10:12PM0.55m
Wave
height (m) 
direction
period (s) 
1.5
ESE
8
1.3
ESE
12
1.3
E
11
1.3
ESE
11
1.4
ESE
10
1.4
E
10
1.9
E
7
1.8
E
8
2.4
ESE
8
2.5
SE
9
2.3
SE
9
1.8
SE
8
1.5
ESE
8
1.5
ESE
8
1.5
E
11
1.9
ESE
11
3
S
8
4
S
11
4
SSE
11
4
SSE
11
4
SSE
11
3
SSE
10
2.5
SSE
10
2.1
SE
10
1.8
SE
10
1.7
SE
10
1.5
SE
10
1.2
SE
9
1.1
SE
9
1
SE
8
0.8
SE
8
0.8
SE
8
0.7
SE
9
0.6
SE
8
0.6
SE
8
0.6
ESE
10
rain showers
clear
part cloud
cloud
mod rain
heavy rain
heavy rain
light rain
rain showers
rain showers
rain showers
clear
clear
rain showers
rain showers
part cloud
rain showers
rain showers
part cloud
rain showers
rain showers
light rain
clear
clear
part cloud
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
rain shwrs
clear
some clouds
cloudy
mod rain
heavy rain
heavy rain
light rain
rain shwrs
rain shwrs
rain shwrs
clear
clear
rain shwrs
rain shwrs
some clouds
rain shwrs
rain shwrs
some clouds
rain shwrs
rain shwrs
light rain
clear
clear
some clouds
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
 km/h
5
N
15
E
10
NNE
10
NNE
25
ENE
15
E
15
S
15
WSW
30
SW
25
SSW
20
SSW
10
SW
5
NW
15
ENE
20
S
25
SW
45
SSW
40
SW
30
SW
40
SSW
30
SSW
25
SW
25
SSW
15
WSW
10
WSW
10
ESE
10
NW
10
NNW
15
ENE
5
NNW
5
NNW
15
ENE
5
NW
10
SSW
10
SE
0
N
 mm 
1
7
31
23
1
2
1
1
2
15
5
1
1
5
2
max°C
21
22
20
22
21
19
17
18
19
20
21
20
21
21
19
19
17
17
15
17
17
17
18
17
19
19
18
20
19
19
20
20
19
19
19
19
Moonrise
3:00
4:10
5:22
6:37
7:54
9:10
10:21
11:22
12:12
12:53
1:26
1:55
Moonset
3:34
4:05
4:39
5:17
6:02
6:56
7:57
9:04
10:12
11:17
12:19
Sunrise
6:20
6:22
6:22
6:22
6:24
6:24
6:26
6:26
6:26
6:28
6:28
6:28
Sunset
5:20
5:19
5:17
5:16
5:15
5:15
5:14
5:13
5:12
5:10
5:09
5:08
Today's sea temperature in Swansea is 23.9 °C (Statistics for 25 Apr 1981-2005 – mean: 22.2 max: 24.0 min: 20.4°C)
Issued (local time): 9 am Friday 25 Apr 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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