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 07:05 AM and sunset is at 04:46 PM.

Days 1–3 Weather Summary

Mostly dry. Icy conditions (max 5°C on Wed night, min -16°C on Fri night). Wind will be generally light.

Days 4–6 Weather Summary

A heavy fall of snow, heaviest during Sun night. Air temperatures will be below freezing (max -2°C on Mon morning, min -14°C on Sat night). Wind will be generally light.

Days 7–9 Weather Summary

A dusting of new snow. Temperatures will be below freezing (max -3°C on Wed morning, min -14°C on Thu night). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Freeze-thaw conditions (max 2°C on Mon morning, min -9°C on Fri night). Wind will be generally light.

Thursday
22
Friday
23
Saturday
24
Sunday
25
Monday
26
Tuesday
27
Wednesday
28
Thursday
29
Friday
30
Saturday
31
Sunday
1
Monday
2
Tuesday
3
Wednesday
4
Thursday
5
Fri
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
AM
PM
night
AM
PM
night
AM
PM
night
AM
Wave Height Map
High Tide
9:46AM1.19m
10:14PM1.15m
10:30AM1.14m
11:01PM1.17m
11:17AM1.09m
11:52PM1.19m
12:09PM1.03m
00:47AM1.20m
1:07PM0.99m
1:48AM1.21m
2:10PM0.96m
2:52AM1.24m
3:16PM0.95m
3:57AM1.28m
4:21PM0.98m
4:58AM1.32m
5:22PM1.04m
5:56AM1.36m
6:18PM1.10m
6:48AM1.37m
7:10PM1.16m
7:38AM1.36m
7:59PM1.20m
8:24AM1.32m
8:46PM1.22m
9:08AM1.26m
9:32PM1.22m
9:51AM1.17m
Low Tide
3:37PM0.15m
3:52AM0.21m
4:14PM0.14m
4:43AM0.23m
4:56PM0.14m
5:42AM0.26m
5:46PM0.16m
6:51AM0.28m
6:44PM0.17m
8:11AM0.29m
7:51PM0.18m
9:31AM0.27m
9:03PM0.17m
10:42AM0.23m
10:14PM0.14m
11:42AM0.19m
11:20PM0.11m
12:35PM0.15m
00:19AM0.08m
1:21PM0.12m
1:13AM0.07m
2:03PM0.11m
2:03AM0.08m
2:41PM0.11m
2:51AM0.11m
3:17PM0.13m
3:36AM0.16m
3:50PM0.16m
Wave
height (m) 
direction
period (s) 
1.2
SSW
7
1.1
SSW
7
0.7
SSW
7
0.8
SSW
7
1.4
SW
6
0.8
WNW
3
0.6
NW
3
0.3
NW
2
0.2
NNW
2
0.2
SSE
11
0.2
SSE
11
1.1
ENE
4
1.1
SSE
10
1
S
10
0.7
S
9
0.6
S
9
0.6
S
9
0.9
SW
5
0.6
SSW
7
0.4
SSW
7
0.2
SSW
6
0.2
S
6
0.5
W
3
0.7
WNW
3
0.8
W
4
0.9
W
4
0.9
W
4
0.4
SW
5
0.2
SSW
6
0.4
NE
2
0.7
N
3
0.7
N
4
0.7
S
13
0.6
S
13
0.4
S
11
0.3
S
10
0.2
S
10
0.2
S
9
0.1
S
9
0.3
SW
2
0.7
SW
4
0.6
SSW
5
0.8
SSW
6
0.8
NNW
3
0.8
NNW
4
0.7
NW
4
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
cloud
cloud
light snow
heavy snow
light snow
light snow
part cloud
part cloud
clear
part cloud
part cloud
cloud
light snow
light snow
part cloud
clear
cloud
part cloud
clear
clear
part cloud
cloud
cloud
cloud
part cloud
clear
clear
part cloud
clear
clear
part cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
some clouds
clear
some clouds
some clouds
cloudy
cloudy
light snow
heavy snow
light snow
light snow
some clouds
some clouds
clear
some clouds
some clouds
cloudy
light snow
light snow
some clouds
clear
cloudy
some clouds
clear
clear
some clouds
cloudy
cloudy
cloudy
some clouds
clear
clear
some clouds
clear
clear
some clouds
cloudy
cloudy
cloudy
some clouds
clear
clear
clear
 km/h
20
WSW
20
SW
10
NW
20
WSW
25
W
25
WNW
20
NW
15
NW
10
NNW
10
NNE
10
NNE
25
ENE
25
NE
25
N
10
WNW
15
NW
15
W
15
W
20
WNW
10
W
5
N
5
NW
20
WNW
20
WNW
20
W
20
WNW
20
W
10
WNW
0
NW
15
N
25
N
25
N
15
NW
15
NNW
10
NW
5
NW
5
NNW
5
W
0
N
10
SW
15
SSW
10
WSW
20
WNW
25
NW
25
NW
25
NW
 mm 
max°C
5
4
0
1
0
-10
-11
-9
-13
-10
-9
-3
-2
-9
-9
-8
-7
-7
-3
-3
-4
-3
-4
-13
-8
-7
-8
-3
-2
-2
-1
1
-1
2
2
-2
0
1
0
0
1
1
1
0
-6
-3
Moonrise
9:04
9:25
9:47
10:11
10:40
11:16
12:02
1:02
2:12
3:30
4:48
6:04
7:16
8:24
9:30
Moonset
9:04
10:14
11:26
12:40
1:58
3:15
4:28
5:30
6:20
6:59
7:29
7:54
8:16
8:36
8:56
Sunrise
7:05
7:03
7:03
7:03
7:01
7:01
7:00
6:58
6:58
6:56
6:56
6:54
6:54
6:52
6:52
6:50
Sunset
4:46
4:47
4:50
4:51
4:52
4:52
4:54
4:55
4:57
4:59
5:00
5:00
5:01
5:04
5:05
Today's sea temperature in Swansea is
2.2° C
(Statistics for 22 Jan 1981-2005 – mean: 5.1 max: 6.8 min: 3.2°C)
Issued (local time): 12 am Thursday 22 Jan 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest