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 56mm), heaviest during Sun morning. Warm air temperatures (max 22°C on Sat morning, min 17°C on Fri night). Wind will be generally light.

Days 4–6 Weather Summary

Heavy rain (total 37mm), heaviest during Wed afternoon. Warm air temperatures (max 21°C on Mon morning, min 15°C on Wed morning). Winds increasing (calm on Tue afternoon, strong winds from the SW by Wed morning).

Days 7–9 Weather Summary

Moderate rain (total 10mm), heaviest on Thu night. Very mild (max 18°C on Fri morning, min 15°C on Thu morning). Winds decreasing (fresh winds from the SSW on Thu morning, calm by Sat morning).

Days 10–12 Weather Summary

Mostly dry. Warm (max 22°C on Tue morning, min 15°C on Mon 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
6:28PM4.59ft
6:46AM4.56ft
7:11PM4.95ft
7:35AM4.49ft
7:54PM5.22ft
8:24AM4.33ft
8:38PM5.35ft
9:13AM4.07ft
9:23PM5.35ft
10:04AM3.77ft
10:11PM5.22ft
10:58AM3.45ft
11:02PM5.02ft
11:58AM3.22ft
11:57PM4.72ft
1:08PM3.05ft
00:59AM4.43ft
2:27PM3.08ft
2:07AM4.2ft
3:42PM3.28ft
3:18AM4.04ft
4:38PM3.54ft
4:21AM3.94ft
Low Tide
12:08PM0.75ft
00:35AM0.85ft
12:50PM0.69ft
1:27AM0.59ft
1:32PM0.72ft
2:20AM0.43ft
2:13PM0.79ft
3:12AM0.39ft
2:56PM0.92ft
4:06AM0.46ft
3:40PM1.12ft
5:03AM0.59ft
4:29PM1.35ft
6:03AM0.75ft
5:24PM1.57ft
7:06AM0.89ft
6:28PM1.77ft
8:11AM1.02ft
7:42PM1.9ft
9:12AM1.08ft
9:00PM1.9ft
10:06AM1.08ft
10:12PM1.8ft
Wave
height (ft) 
direction
period (s) 
5
ESE
8
4.5
ESE
12
4.5
E
11
4.5
ESE
11
5
E
10
4.5
E
10
5
E
10
6
E
8
8
ESE
9
8
ESE
9
7
ESE
8
5.5
SE
8
5
ESE
8
5
ESE
8
5
ESE
11
6.5
ESE
11
10
S
9
11
SSE
10
11
SSE
10
10
SSE
10
8
SSE
9
6
SE
9
6
SE
9
5.5
SSE
9
5
SE
8
4.5
SE
9
3.5
SE
9
3
SE
8
2.5
SE
8
2.5
SE
7
2.5
E
6
2.5
ESE
5
3
E
6
3
E
6
2.5
E
6
3
E
7
clear
clear
part cloud
cloud
thunderstorm
thunderstorm
heavy rain
rain showers
rain showers
clear
clear
clear
clear
rain showers
rain showers
thunderstorm
heavy rain
rain showers
rain showers
light rain
rain showers
rain showers
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
some clouds
cloudy
risk tstorm
risk tstorm
heavy rain
rain shwrs
rain shwrs
clear
clear
clear
clear
rain shwrs
rain shwrs
risk tstorm
heavy rain
rain shwrs
rain shwrs
light rain
rain shwrs
rain shwrs
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
some clouds
clear
clear
 mph
5
NNE
10
ENE
5
NNE
5
NNE
15
NE
10
NNE
15
ESE
5
SW
15
SSW
15
SSW
15
S
5
WSW
5
NW
10
ESE
15
SW
15
SW
30
SSW
20
SSW
20
SSW
15
S
10
SSW
10
SW
10
S
5
SW
5
W
5
E
5
NNW
5
N
10
ENE
10
NNE
5
NNW
10
NE
10
NNE
5
N
10
NE
10
NNW
 in 
0.2
0.9
1
0.04
0.1
0.08
0.4
0.2
0.7
0.08
0.08
0.08
0.2
0.04
max°F
70
70
68
72
68
66
64
66
66
70
70
66
70
70
64
63
64
63
63
63
63
64
64
64
64
64
64
66
68
66
68
70
66
72
72
66
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 75 °F (Statistics for 25 Apr 1981-2005 – mean: 72 max: 75 min: 69°F)
Issued (local time): 3 am Friday 25 Apr 2025
Forecast update inUpdates in 35 min 57 sUpdate imminent
Nearest