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 06:39 PM.

Days 1–4 Weather Summary

Light rain (total 2mm), mostly falling on Sun afternoon. Cool air temperatures (max 10°C on Fri afternoon, min 4°C on Fri night). Mainly strong winds.

Days 5–7 Weather Summary

Mostly dry. Cool air temperatures (max 13°C on Wed morning, min 9°C on Mon night). Winds increasing (light winds from the WNW on Tue night, fresh winds from the SW by Thu morning).

Days 8–10 Weather Summary

Moderate rain (total 19mm), heaviest on Sun morning. Very mild (max 12°C on Sat morning, min 4°C on Thu night). Winds increasing (light winds from the WNW on Thu night, fresh winds from the SSW by Sat night).

Days 11–13 Weather Summary

Moderate rain (total 11mm), heaviest on Sun night. Very mild (max 11°C on Wed afternoon, min 5°C on Sun night). Winds decreasing (strong winds from the W on Sun night, calm by Tue afternoon).

Fri
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
Saturday
11
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
1:22PM6.99m
2:08AM7.22m
2:59PM7.22m
3:32AM7.68m
4:08PM7.79m
4:31AM8.32m
4:58PM8.40m
5:17AM8.89m
5:38PM8.91m
5:55AM9.32m
6:13PM9.28m
6:29AM9.56m
6:46PM9.47m
7:01AM9.63m
7:17PM9.51m
7:32AM9.52m
7:47PM9.38m
8:02AM9.25m
8:17PM9.10m
8:33AM8.86m
8:48PM8.69m
9:04AM8.36m
9:21PM8.19m
9:40AM7.79m
9:59PM7.63m
10:23AM7.22m
10:48PM7.09m
11:23AM6.71m
Low Tide
7:44PM3.48m
8:41AM3.16m
9:17PM3.11m
9:56AM2.62m
10:19PM2.50m
10:47AM2.03m
11:04PM1.91m
11:27AM1.53m
11:42PM1.43m
12:02PM1.18m
00:15AM1.10m
12:33PM0.97m
00:46AM0.94m
1:02PM0.92m
1:16AM0.94m
1:31PM1.02m
1:46AM1.10m
2:00PM1.26m
2:16AM1.41m
2:31PM1.63m
2:48AM1.84m
3:02PM2.12m
3:22AM2.37m
3:39PM2.69m
4:03AM2.95m
4:24PM3.27m
4:59AM3.49m
5:31PM3.76m
Wave
height (m) 
direction
period (s) 
1
WSW
6
1
WSW
6
1.2
W
7
1.3
W
6
0.8
WSW
6
1.1
WSW
5
2.1
WSW
7
1.7
WSW
8
1.3
WSW
8
1.2
WSW
15
1
WSW
14
0.8
WSW
9
0.9
WSW
6
0.8
WSW
6
0.7
WSW
6
0.6
WSW
12
0.6
WSW
12
1.1
WSW
5
1.7
WSW
6
1.5
WSW
8
0.9
WSW
9
1.3
WSW
5
1.8
WSW
8
1.3
WSW
8
1.7
WSW
6
1.8
WSW
8
1.6
WSW
8
1.2
WSW
8
2.4
WSW
9
2.1
WSW
9
2.1
WSW
9
1.9
WSW
9
1.3
WSW
9
1
WSW
9
1
WSW
10
1
WSW
12
1
WSW
12
0.9
WSW
11
0.7
WSW
12
0.9
WSW
12
0.8
WSW
12
0.8
WSW
11
0.8
WSW
9
1.7
WSW
6
1.3
WSW
8
1.2
WSW
8
0.9
WSW
8
part cloud
clear
clear
part cloud
part cloud
cloud
light rain
part cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
light rain
clear
part cloud
light rain
light rain
cloud
part cloud
light rain
mod rain
light rain
rain showers
thunderstorm
thunderstorm
light rain
light rain
part cloud
clear
clear
cloud
light rain
cloud
cloud
cloud
part cloud
cloud
mod rain
rain showers
rain showers
light rain
some clouds
clear
clear
some clouds
some clouds
cloudy
light rain
some clouds
cloudy
some clouds
some clouds
cloudy
cloudy
cloudy
cloudy
some clouds
cloudy
cloudy
light rain
clear
some clouds
light rain
light rain
cloudy
some clouds
light rain
mod rain
light rain
rain shwrs
risk tstorm
risk tstorm
light rain
light rain
some clouds
clear
clear
cloudy
light rain
cloudy
cloudy
cloudy
some clouds
cloudy
mod rain
rain shwrs
rain shwrs
light rain
 km/h
20
WNW
20
NW
30
NW
30
NW
10
WNW
30
WSW
40
WSW
25
WNW
25
WNW
25
WNW
10
WNW
15
WNW
20
WNW
10
WNW
10
WNW
20
W
10
SW
25
SW
35
WSW
20
WNW
15
SW
30
S
30
WSW
10
SSW
30
SW
30
SSW
15
SW
25
SW
35
W
30
W
35
WSW
15
W
15
S
10
ESE
5
N
10
S
15
SW
10
WSW
15
NNW
15
WNW
5
NNW
5
NW
25
WSW
30
WSW
15
NW
25
NW
10
NNW
 mm 
2
2
4
1
2
10
1
5
2
1
1
1
1
6
2
1
1
max°C
10
8
7
8
7
8
9
9
10
10
10
11
11
11
13
13
10
10
10
6
7
9
11
12
12
12
9
9
6
7
8
7
8
10
8
10
11
10
10
10
8
8
8
7
8
8
5
Moonrise
1:14
3:37
4:57
6:15
7:30
8:46
10:01
11:17
12:30
1:39
2:38
3:25
4:00
4:25
Moonset
4:31
5:50
6:04
6:15
6:26
6:37
6:49
7:03
7:22
7:47
8:21
9:08
10:08
11:18
12:33
Sunrise
6:00
6:56
5:54
5:52
5:50
5:48
5:46
5:43
5:41
5:39
5:37
5:35
5:33
5:30
5:28
Sunset
6:39
6:42
7:43
6:45
6:46
6:49
6:50
6:52
6:53
6:54
6:57
6:59
7:00
7:01
7:04
7:05
Today's sea temperature in Swansea is
9.8° C
(Statistics for 27 Mar 1981-2005 – mean: 8.9 max: 10.0 min: 7.2°C)
Issued (local time): 5 pm Friday 27 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest