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 06:46 AM and sunset is at 07:49 PM.

Days 1–3 Weather Summary

Light rain (total 2mm), mostly falling on Fri morning. Cool air temperatures (max 15°C on Sat morning, min 6°C on Sat night). Winds decreasing (near gales from the WSW on Sat night, light winds from the S by Sun night).

Days 4–6 Weather Summary

Light rain (total 4mm), mostly falling on Tue night. Cool air temperatures (max 15°C on Tue afternoon, min 5°C on Mon night). Winds decreasing (fresh winds from the ESE on Tue afternoon, calm by Tue night).

Days 7–9 Weather Summary

Light rain (total 3mm), mostly falling on Fri night. Very mild (max 10°C on Thu morning, min 4°C on Fri night). Winds increasing (light winds from the W on Thu night, fresh winds from the WNW by Fri night).

Days 10–12 Weather Summary

Moderate rain (total 18mm), heaviest on Mon night. Very mild (max 12°C on Mon night, min 7°C on Tue night). Winds decreasing (strong winds from the SW on Mon night, light winds from the WNW by Tue night).

Friday
3
Saturday
4
Sunday
5
Monday
6
Tuesday
7
Wednesday
8
Thursday
9
Friday
10
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Sat
18
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
8:19AM9.69m
8:35PM9.55m
8:51AM9.55m
9:06PM9.38m
9:22AM9.23m
9:37PM9.05m
9:54AM8.77m
10:08PM8.58m
10:26AM8.21m
10:41PM8.02m
11:00AM7.58m
11:19PM7.40m
11:42AM6.94m
00:08AM6.80m
12:41PM6.38m
1:21AM6.37m
2:11PM6.12m
3:00AM6.39m
3:46PM6.43m
4:18AM6.94m
4:50PM7.13m
5:12AM7.73m
5:37PM7.96m
5:56AM8.56m
6:19PM8.78m
6:37AM9.34m
6:59PM9.50m
7:18AM9.94m
7:39PM10.02m
Low Tide
2:25PM0.54m
2:37AM0.58m
2:52PM0.68m
3:06AM0.74m
3:20PM0.96m
3:36AM1.07m
3:50PM1.37m
4:07AM1.53m
4:21PM1.89m
4:41AM2.10m
4:56PM2.45m
5:21AM2.70m
5:42PM3.02m
6:20AM3.25m
6:53PM3.47m
7:53AM3.54m
8:36PM3.56m
9:34AM3.32m
10:05PM3.16m
10:44AM2.72m
11:04PM2.51m
11:33AM1.99m
11:49PM1.79m
12:13PM1.26m
00:28AM1.11m
12:50PM0.64m
1:06AM0.53m
1:26PM0.19m
Wave
height (m) 
direction
period (s) 
1.3
W
6
1.8
W
6
1.1
W
9
0.8
W
8
1.1
WSW
6
2.5
W
9
1.8
W
9
1.4
W
9
0.7
W
11
0.6
W
7
0.6
WSW
6
0.5
W
6
1
W
19
1
W
12
0.7
W
14
0.5
W
14
0.6
W
13
0.8
W
7
0.8
W
6
1.2
W
5
0.7
W
12
0.6
W
12
0.6
W
8
1.3
W
5
1.2
W
9
1.1
W
10
0.8
W
14
0.7
W
13
0.6
W
13
0.8
W
6
0.8
W
9
0.7
W
12
0.9
WSW
7
1.9
W
9
1.2
W
9
1.2
W
6
0.7
W
11
1.2
W
5
1.1
W
6
0.8
W
7
0.6
W
7
0.4
W
10
0.6
W
4
1.3
W
6
0.7
W
9
0.5
W
8
1
W
4
light rain
cloud
part cloud
clear
part cloud
part cloud
rain showers
clear
part cloud
part cloud
cloud
clear
part cloud
rain showers
light rain
part cloud
part cloud
part cloud
clear
clear
part cloud
cloud
light rain
rain showers
clear
clear
part cloud
cloud
light rain
light rain
part cloud
cloud
mod rain
light rain
light rain
clear
rain showers
rain showers
clear
part cloud
part cloud
cloud
light rain
light rain
cloud
light rain
light rain
light rain
cloudy
some clouds
clear
some clouds
some clouds
rain shwrs
clear
some clouds
some clouds
cloudy
clear
some clouds
rain shwrs
light rain
some clouds
some clouds
some clouds
clear
clear
some clouds
cloudy
light rain
rain shwrs
clear
clear
some clouds
cloudy
light rain
light rain
some clouds
cloudy
mod rain
light rain
light rain
clear
rain shwrs
rain shwrs
clear
some clouds
some clouds
cloudy
light rain
light rain
cloudy
light rain
light rain
 km/h
35
WSW
45
WSW
20
WSW
25
SSW
35
SW
50
WSW
40
W
30
W
10
SW
20
SE
30
SE
20
E
30
E
30
ESE
15
ENE
0
WSW
20
W
25
WSW
20
WNW
30
WNW
10
WNW
10
S
20
S
30
WNW
25
NW
30
W
15
WSW
15
SW
20
SW
25
SSW
15
W
15
W
40
SSW
30
W
35
WSW
25
W
25
W
35
W
25
WNW
20
WNW
20
W
10
SW
25
SSW
30
WSW
10
W
10
SW
30
WSW
 mm 
1
1
1
3
1
2
3
1
7
5
2
1
1
1
1
1
1
max°C
11
11
10
15
14
9
8
8
8
10
10
7
14
15
11
12
11
9
10
10
9
10
10
7
9
9
8
11
10
9
11
11
12
11
10
9
9
9
7
8
9
8
7
10
10
12
12
Moonrise
9:58
11:13
12:27
1:35
2:34
3:21
3:56
4:22
4:42
4:57
5:10
5:22
5:35
5:49
6:07
Moonset
6:48
7:03
7:22
7:47
8:22
9:08
10:08
11:17
12:33
1:51
3:10
4:30
5:53
7:19
8:49
Sunrise
6:46
6:43
6:41
6:39
6:37
6:35
6:31
6:30
6:28
6:26
6:24
6:20
6:18
6:16
6:15
6:13
Sunset
7:49
7:51
7:52
7:53
7:55
7:57
7:59
8:00
8:01
8:04
8:06
8:07
8:08
8:10
8:12
8:14
Today's sea temperature in Llantwit Major is
9.8° C
(Statistics for 03 Apr 1981-2005 – mean: 9.3 max: 10.3 min: 7.5°C)
Issued (local time): 6 am Friday 03 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest