Llantwit Major surf break

Llantwit Major surfForecast / Wales – South East / UK

information circle48hr Weather and Surf, issued 12 pm Thursday 14 May 2026 BST
Forecast update in hr  min  s Forecast update imminent
Llantwit Major surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Llantwit Major sea temperature is
12.4° C
(Which is 1.2°C warmer than normal for this time of year)

How big are the waves at Llantwit Major today?

The current surf forecast for Llantwit Major at 7PM is: 1.2m 6s primary swell from a West-northwest direction and 0.9m 6s secondary swell from a West-northwest direction (forecast issued at 12:00pm May 14). The wind direction is predicted to be cross-offshore.

Time (BST) & DateWave HeightWave Period
Morning (14 May)4.5ft (1.4m)7s
Afternoon (14 May)4.5ft (1.3m)7s
Evening (14 May)3.5ft (1.0m)6s

Table - waves today at Llantwit Major. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 4mm), mostly falling on Thu afternoon. Very mild (max 12°C on Sat morning, min 6°C on Thu night). Winds decreasing (fresh winds from the NNW on Thu morning, light winds from the NW by Fri night).

Thu
14
Friday
15
Saturday
16
Sun
17
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
Rating
(10 max)
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
1.4
WNW
7
1.4
WNW
7
1.3
WNW
7
1.2
WNW
6
1
WNW
6
0.9
WNW
6
0.7
WNW
6
0.6
WNW
6
0.5
W
6
0.8
WNW
6
1
WNW
5
1
WNW
5
0.9
WNW
5
0.7
WNW
5
0.2
W
9
0.3
W
8
0.3
W
8
0.5
W
7
0.5
W
4
0.3
W
7
0.5
W
5
0.6
W
5
0.7
W
6
0.7
W
6
Wave Graph
Metric surfscale
Energy kJ
188
181
144
114
85
64
37
26
17
34
42
52
41
21
8
10
10
27
6
8
10
19
30
32
Wind (km/h)
30
NW
30
NNW
30
NNW
25
NNW
15
NNW
15
NNW
10
NNE
10
NNW
25
NW
25
NW
25
WNW
25
NW
20
NNW
15
NNW
5
NW
10
SW
15
SW
20
WSW
20
WSW
20
W
20
WSW
15
W
15
WNW
15
WNW
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross-off
cross-off
cross
on
on
cross-on
on
cross-on
on
cross-on
cross
cross-on
High Tide
5:42PM8.70m
6:03AM9.15m
6:28PM9.35m
6:50AM9.68m
7:13PM9.83m
Low Tide
11:25AM1.36m
11:46PM1.25m
12:11PM0.84m
00:31AM0.73m
12:55PM0.47m
1:16AM0.37m
part cloud
cloud
light rain
rain showers
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
cloud
cloud
cloud
light rain
light rain
cloud
clear
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:24
5:22
5:22
5:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:55
8:58
8:59
9:00
1
1
1
1
Temp °C
10
11
11
11
9
8
6
7
10
10
11
11
7
6
7
8
9
12
11
11
10
10
9
9
3
4
4
5
5
4
2
4
4
3
4
4
2
2
4
4
4
8
7
7
5
6
5
5
Swell 1
Height (m)
Direction
Period (s)
0.9
WNW
6
1
WNW
6
0.9
WNW
6
0.7
WNW
6
0.6
WNW
6
0.5
W
6
0.1
W
9
0.1
W
9
0.1
W
9
0.4
WNW
4
0.3
WNW
4
0.3
W
8
0.1
W
9
0.2
W
7
0.3
W
7
0.5
W
5
0.6
W
5
0.7
W
6
0.7
W
6
Energy kJ
75
85
64
37
26
17
2
2
2
8
3
10
2
4
8
10
19
30
32
Swell 2
Height (m)
Direction
Period (s)
0.3
W
6
0.1
W
9
0.2
W
6
0.3
W
8
0.1
W
9
0.1
W
9
0.1
W
15
0.2
W
7
0.1
W
13
0.2
W
13
0.2
W
13
Energy kJ
7
2
2
10
2
2
4
4
4
14
13
Swell 3
Height (m)
Direction
Period (s)
0.2
W
9
0.1
W
8
0.1
W
8
0.1
W
8
Energy kJ
6
1
1
1
Wind waves
Height (m)
Direction
Period (s)
1.4
WNW
7
1.4
WNW
7
1.3
WNW
7
1.2
WNW
6
0.8
WNW
6
1
WNW
5
1
WNW
5
0.9
WNW
5
0.7
WNW
5
0.2
W
4
0.5
W
7
0.5
W
4
0.4
W
4
Energy kJ
188
181
144
114
34
42
52
41
21
1
27
6
5
Nearest Offshore or Glassy
Rating
(10 max)
1
2
1
2
2
1
1
1
1
1
1
1
3
1
1
1
1
2
1
1
1
1
1
1
Distance (km)
161
879
1188
410
395
0
127
358
355
355
355
355
331
191
154
144
191
336
333
191
300
300
39
39
Best forecast wave conditions in Wales - South East
Rating
(10 max)
1
Best forecast wave conditions in United Kingdom
Rating
(10 max)
1
1
1
2
4
3
4
4
3
3
3
3
2
3
2
2
3
3
3
Header Global
Rating
(10 max)
5
5
4
5
5
5
6
5
5
5
5
5
5
5
5
5
4
5
5
6
5
5
5
5
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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