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 —.

Days 1–4 Weather Summary

Mostly dry. Very warm air temperatures (max 32°C on Fri morning, min 21°C on Sat night). Wind will be generally light.

Days 5–7 Weather Summary

Light rain (total 3mm), mostly falling on Sun night. Warm air temperatures (max 29°C on Sun night, min 19°C on Mon night). Winds increasing (calm on Mon morning, fresh winds from the S by Tue night).

Days 8–10 Weather Summary

Mostly dry. Warm (max 22°C on Wed night, min 18°C on Thu afternoon). Mainly fresh winds.

Days 11–13 Weather Summary

Mostly dry. Warm (max 22°C on Tue afternoon, min 17°C on Mon night). Mainly fresh winds.

Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tue
30
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
8:26PM0.94m
8:33AM1.45m
9:08PM0.95m
9:08AM1.48m
9:49PM0.96m
9:45AM1.50m
10:31PM0.98m
10:22AM1.50m
11:12PM1.00m
11:01AM1.49m
11:54PM1.02m
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
Low Tide
1:46AM0.37m
3:22PM0.26m
2:26AM0.37m
3:59PM0.21m
3:06AM0.37m
4:37PM0.17m
3:47AM0.38m
5:16PM0.15m
5:55PM0.15m
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
Wave
height (m) 
direction
period (s) 
1
ENE
6
0.7
ENE
7
0.7
ENE
7
0.7
ENE
7
0.9
ENE
7
0.9
S
6
0.9
ENE
7
0.8
ENE
7
0.8
ENE
8
0.9
ENE
8
0.9
ENE
8
1.1
ENE
9
1.6
S
9
1.2
S
9
1.2
ESE
5
1.4
S
5
1.3
S
8
1.3
S
8
1.1
S
9
1.2
S
11
2
S
7
2
S
11
1.7
S
10
1.7
S
10
1.7
S
14
1.7
S
12
1.5
S
11
1.4
S
11
1.5
S
10
1.6
S
9
1.7
S
9
1.4
S
9
1.3
S
9
1.3
SSE
8
1.4
SSE
10
1.7
SSE
10
clear
clear
part cloud
part cloud
clear
cloud
part cloud
part cloud
part cloud
rain showers
cloud
rain showers
cloud
cloud
clear
part cloud
part cloud
clear
clear
clear
cloud
cloud
cloud
part cloud
part cloud
part cloud
clear
clear
cloud
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
some clouds
some clouds
clear
cloudy
some clouds
some clouds
some clouds
rain shwrs
cloudy
rain shwrs
cloudy
cloudy
clear
some clouds
some clouds
clear
clear
clear
cloudy
cloudy
cloudy
some clouds
some clouds
some clouds
clear
clear
cloudy
clear
some clouds
some clouds
clear
clear
clear
clear
 km/h
10
N
5
E
10
NE
10
NNW
15
S
15
NE
5
WSW
5
N
20
NE
5
W
0
WNW
20
SE
15
SSE
10
NNE
20
ENE
30
S
10
E
30
ENE
10
W
30
SSE
25
SSE
20
SSE
10
ESE
15
ESE
15
E
15
ESE
15
E
15
SSE
15
SSE
20
SE
20
SSE
15
SE
15
ESE
10
NE
20
ENE
35
ENE
 mm 
2
1
max°C
26
32
28
29
23
24
24
28
30
29
27
21
20
21
25
22
22
23
22
21
19
18
18
19
19
20
20
20
20
20
19
19
20
19
21
22
Moonrise
4:25
5:13
6:07
7:06
8:07
9:08
10:10
11:11
12:14
1:17
2:24
3:34
Moonset
7:35
8:27
9:15
9:56
10:32
11:04
11:33
12:00
12:28
12:56
1:28
Sunrise
5:39
5:39
5:39
5:41
5:41
5:41
5:43
5:43
5:43
5:43
5:45
5:46
Sunset
8:00
8:00
8:00
8:00
8:01
8:01
8:02
8:02
8:04
8:04
8:04
8:04
Today's sea temperature in Swansea is
23.0° C
(Statistics for 18 Dec 1981-2005 – mean: 22.6 max: 24.6 min: 21.0°C)
Issued (local time): 10 pm Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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