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 — and sunset is at —.

Days 1–4 Weather Summary

Light rain (total 7mm), mostly falling on Sun morning. Low air temperatures (max 9°C on Sat morning, min 3°C on Sun night). Winds increasing (light winds from the ENE on Sun night, strong winds from the E by Mon afternoon).

Days 5–7 Weather Summary

Heavy rain (total 26mm), heaviest during Thu afternoon. Cool air temperatures (max 10°C on Thu morning, min 6°C on Tue night). Winds increasing (calm on Tue afternoon, strong winds from the ESE by Wed afternoon).

Days 8–10 Weather Summary

Moderate rain (total 13mm), heaviest on Thu night. Very mild (max 10°C on Thu night, min 6°C on Sat night). Winds decreasing (strong winds from the SW on Thu night, calm by Sat afternoon).

Days 11–13 Weather Summary

Moderate rain (total 12mm) heaviest on Sun night, then becoming colder with a dusting of snow on Wed morning. Mild temperatures (max 9°C on Mon morning, min 1°C on Wed morning). Winds decreasing (fresh winds from the ESE on Sun night, light winds from the S by Mon night).

Saturday
31
Sunday
1
Monday
2
Tuesday
3
Wednesday
4
Thursday
5
Friday
6
Saturday
7
Sunday
8
Monday
9
Tuesday
10
Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sun
15
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
AM
Wave Height Map
High Tide
5:09AM8.49m
5:38PM8.65m
6:01AM9.16m
6:27PM9.19m
6:48AM9.70m
7:11PM9.55m
7:31AM10.01m
7:52PM9.69m
8:11AM10.06m
8:31PM9.60m
8:48AM9.85m
9:07PM9.31m
9:25AM9.41m
9:43PM8.86m
10:00AM8.82m
10:18PM8.29m
10:36AM8.13m
10:54PM7.67m
11:14AM7.42m
11:36PM7.03m
12:02PM6.74m
00:33AM6.47m
1:14PM6.23m
2:04AM6.17m
2:56PM6.16m
3:38AM6.41m
4:14PM6.58m
Low Tide
11:01PM2.01m
11:36AM1.59m
11:59PM1.43m
12:29PM1.00m
00:46AM0.91m
1:13PM0.56m
1:27AM0.57m
1:51PM0.33m
2:03AM0.42m
2:27PM0.32m
2:38AM0.48m
3:00PM0.52m
3:11AM0.73m
3:32PM0.89m
3:44AM1.14m
4:05PM1.39m
4:18AM1.66m
4:39PM1.96m
4:55AM2.25m
5:18PM2.57m
5:41AM2.85m
6:09PM3.14m
6:43AM3.36m
7:23PM3.55m
8:15AM3.61m
9:03PM3.57m
9:56AM3.37m
10:30PM3.14m
Wave
height (m) 
direction
period (s) 
1.5
W
11
1.1
W
15
1
W
15
0.9
W
14
0.7
W
14
0.8
W
13
0.8
W
13
0.8
W
11
0.9
E
4
0.8
W
9
0.5
W
12
0.8
W
16
0.7
W
15
0.7
W
14
1
W
9
0.7
W
10
0.7
W
11
0.8
WSW
7
1.3
WSW
4
1.4
WSW
6
1
W
15
0.7
W
15
0.7
W
15
0.7
W
15
0.7
W
15
0.6
W
13
0.6
W
13
0.9
ESE
4
0.8
WSW
9
0.9
WSW
13
0.8
W
13
0.8
W
10
0.9
W
11
0.8
W
10
0.8
W
8
0.6
W
9
0.5
W
8
0.8
ENE
4
0.6
W
8
0.5
W
17
1
WSW
7
2
W
6
3.5
W
10
1.3
W
10
0.9
W
13
0.8
W
10
2.5
W
8
light rain
part cloud
part cloud
rain showers
light rain
clear
clear
cloud
light rain
mod rain
cloud
cloud
part cloud
cloud
light rain
rain showers
cloud
mod rain
mod rain
part cloud
clear
part cloud
part cloud
thunderstorm
clear
part cloud
cloud
mod rain
part cloud
rain showers
part cloud
clear
cloud
light rain
light snow
part cloud
cloud
light snow
part cloud
light rain
heavy rain
rain showers
rain showers
cloud
light rain
heavy rain
part cloud
light rain
some clouds
some clouds
rain shwrs
light rain
clear
clear
cloudy
light rain
mod rain
cloudy
cloudy
some clouds
cloudy
light rain
rain shwrs
cloudy
mod rain
mod rain
some clouds
clear
some clouds
some clouds
risk tstorm
clear
some clouds
cloudy
mod rain
some clouds
rain shwrs
some clouds
clear
cloudy
light rain
light snow
some clouds
cloudy
light snow
some clouds
light rain
heavy rain
rain shwrs
rain shwrs
cloudy
light rain
heavy rain
some clouds
 km/h
30
SW
20
SSW
15
WSW
15
SW
15
SW
15
W
5
ENE
30
E
40
E
30
E
10
SW
5
S
10
E
20
ESE
35
ESE
20
SE
15
ESE
30
E
45
SW
35
WSW
20
WSW
5
SE
10
ESE
10
SE
5
E
10
E
20
ESE
35
ESE
20
WSW
15
WSW
10
ESE
20
ENE
20
NE
25
ENE
25
ENE
20
E
20
E
30
ENE
20
E
15
SE
45
S
40
W
60
WNW
20
WNW
10
WSW
25
SE
55
WSW
 mm 
2
1
3
1
10
4
3
9
10
3
10
1
1
1
2
11
1
1
1
16
max°C
8
9
9
8
8
7
5
6
7
8
9
9
8
8
7
9
10
9
10
10
10
8
10
10
7
8
9
8
9
8
7
8
8
5
2
3
2
2
4
5
11
10
9
7
6
12
11
Moonrise
2:58
4:28
5:56
7:19
8:38
9:54
11:09
12:23
1:37
2:50
4:00
5:01
5:51
6:29
6:56
Moonset
7:29
7:59
8:20
8:35
8:48
8:59
9:10
9:22
9:36
9:53
10:17
10:49
11:34
12:32
1:42
Sunrise
7:52
7:50
7:50
7:48
7:47
7:45
7:43
7:41
7:39
7:37
7:35
7:35
7:33
7:31
7:28
7:26
Sunset
5:00
5:02
5:05
5:07
5:08
5:09
5:12
5:14
5:15
5:17
5:20
5:21
5:22
5:24
5:27
Today's sea temperature in Llantwit Major is
7.3° C
(Statistics for 30 Jan 1981-2005 – mean: 9.4 max: 10.5 min: 8.1°C)
Issued (local time): 11 pm Friday 30 Jan 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest