Llantwit Major Sea Conditions and Tide Table

Llantwit Major 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 05:45 AM and sunset is at 08:37 PM.

Days 1–3 Weather Summary

Light rain (total 9mm), mostly falling on Sat night. Cool air temperatures (max 15°C on Sat afternoon, min 10°C on Mon night). Wind will be generally light.

Days 4–6 Weather Summary

Light rain (total 8mm), mostly falling on Tue night. Cool air temperatures (max 12°C on Wed morning, min 8°C on Thu night). Wind will be generally light.

Days 7–9 Weather Summary

Light rain (total 6mm), mostly falling on Sun morning. Very mild (max 15°C on Sat afternoon, min 6°C on Sun night). Winds increasing (calm on Fri night, fresh winds from the ENE by Sun night).

Days 10–12 Weather Summary

Moderate rain (total 18mm), heaviest on Mon night. Very mild (max 15°C on Wed afternoon, min 6°C on Mon night). Winds decreasing (strong winds from the ENE on Mon afternoon, light winds from the S by Wed night).

Saturday
2
Sunday
3
Monday
4
Tuesday
5
Wednesday
6
Thursday
7
Friday
8
Saturday
9
Sunday
10
Monday
11
Tuesday
12
Wednesday
13
Thursday
14
Friday
15
Saturday
16
Sun
17
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
PM
Wave Height Map
High Tide
7:51AM9.13m
8:07PM9.15m
8:24AM9.05m
8:40PM9.06m
8:57AM8.85m
9:12PM8.83m
9:30AM8.52m
9:46PM8.48m
10:05AM8.10m
10:22PM8.06m
10:43AM7.63m
11:03PM7.61m
11:26AM7.17m
11:52PM7.19m
12:21PM6.78m
00:53AM6.90m
1:31PM6.61m
2:07AM6.88m
2:48PM6.78m
3:20AM7.21m
3:57PM7.28m
4:22AM7.79m
4:53PM7.97m
5:15AM8.48m
5:42PM8.70m
6:03AM9.15m
6:28PM9.35m
6:50AM9.68m
7:13PM9.83m
Low Tide
1:53PM1.03m
2:09AM1.00m
2:23PM1.10m
2:40AM1.11m
2:54PM1.30m
3:13AM1.35m
3:26PM1.60m
3:47AM1.71m
4:01PM1.98m
4:25AM2.14m
4:40PM2.38m
5:09AM2.56m
5:27PM2.77m
6:06AM2.91m
6:30PM3.06m
7:19AM3.06m
7:47PM3.12m
8:35AM2.91m
9:02PM2.89m
9:41AM2.50m
10:05PM2.43m
10:37AM1.94m
10:58PM1.85m
11:25AM1.36m
11:46PM1.25m
12:11PM0.84m
00:31AM0.73m
12:55PM0.47m
Wave
height (m) 
direction
period (s) 
0.1
W
10
0.1
W
10
0.1
W
9
0.1
W
6
0.2
W
4
0.2
W
5
0.3
ENE
2
0.3
ENE
3
0.1
W
5
0.2
ENE
2
0.1
NE
3
0.1
W
5
0.1
W
5
0.2
W
2
0.1
W
4
0.1
W
5
0.3
WNW
2
0.1
W
4
0.1
W
7
0.1
W
14
0.1
W
13
0.2
W
8
0.4
ENE
3
0.7
ENE
4
0.8
ENE
4
0.7
ENE
4
0.6
ENE
4
0.9
ENE
4
1.2
ENE
4
1
ENE
4
0.9
ENE
4
0.8
ENE
4
0.6
ENE
4
0.4
ENE
3
0.1
W
8
0.1
W
5
0.4
W
3
0.5
W
5
1.3
W
5
1.7
W
6
1.6
W
6
1.6
W
6
1.2
W
5
1.4
W
5
1.4
W
6
0.6
W
8
0.5
W
9
part cloud
light rain
rain showers
cloud
light rain
rain showers
part cloud
cloud
part cloud
light rain
cloud
light rain
light rain
rain showers
cloud
rain showers
part cloud
part cloud
part cloud
light rain
cloud
part cloud
cloud
light rain
light rain
cloud
part cloud
light rain
light rain
heavy rain
part cloud
cloud
part cloud
part cloud
rain showers
part cloud
light rain
rain showers
rain showers
rain showers
rain showers
rain showers
rain showers
clear
rain showers
rain showers
rain showers
some clouds
light rain
rain shwrs
cloudy
light rain
rain shwrs
some clouds
cloudy
some clouds
light rain
cloudy
light rain
light rain
rain shwrs
cloudy
rain shwrs
some clouds
some clouds
some clouds
light rain
cloudy
some clouds
cloudy
light rain
light rain
cloudy
some clouds
light rain
light rain
heavy rain
some clouds
cloudy
some clouds
some clouds
rain shwrs
some clouds
light rain
rain shwrs
rain shwrs
rain shwrs
rain shwrs
rain shwrs
rain shwrs
clear
rain shwrs
rain shwrs
rain shwrs
 km/h
10
SE
5
SSE
5
W
10
W
15
WNW
5
W
15
ENE
15
E
5
NNE
15
ENE
5
NNW
5
NW
5
ENE
15
W
5
WNW
5
WSW
20
W
0
WSW
10
ESE
10
ESE
10
E
15
ENE
25
ENE
30
ENE
30
ENE
30
ENE
30
E
40
ENE
40
ENE
35
ENE
35
ENE
30
ENE
25
ENE
15
ENE
15
S
10
S
20
SW
20
SSW
35
W
35
W
40
W
30
W
30
W
35
W
25
WSW
10
ESE
10
SW
 mm 
1
5
1
2
1
2
1
2
2
1
1
4
1
3
12
2
2
3
3
2
1
2
1
5
1
1
max°C
14
15
12
13
12
12
12
13
12
10
11
11
12
10
9
12
12
10
13
14
13
14
15
12
9
8
7
10
10
7
9
11
10
12
15
12
12
12
10
11
11
9
11
11
10
10
12
Moonrise
10:12
11:22
12:25
1:16
1:55
2:24
2:45
3:01
3:15
3:27
3:39
3:53
4:09
4:30
5:01
Moonset
5:27
5:50
6:21
7:04
7:59
9:04
10:17
11:32
12:49
2:06
3:25
4:47
6:14
7:46
9:21
Sunrise
5:45
5:43
5:41
5:39
5:37
5:35
5:33
5:33
5:31
5:28
5:28
5:26
5:24
5:22
5:20
5:20
Sunset
8:37
8:38
8:39
8:42
8:44
8:45
8:46
8:47
8:50
8:51
8:52
8:54
8:55
8:58
8:59
9:00
Today's sea temperature in Llantwit Major is
11.5° C
(Statistics for 02 May 1981-2005 – mean: 10.5 max: 11.4 min: 8.8°C)
Issued (local time): 6 am Saturday 02 May 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest