Llantwit Major surf break

Llantwit Major surfForecast / Wales – South East / UK

information circle48hr Weather and Surf, issued 6 am 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 12PM is: 1.4m 7s primary swell from a West-northwest direction (forecast issued at 06:00am 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 (1.4m)6s
Evening (14 May)3.5ft (1.1m)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 3mm), mostly falling on Thu afternoon. Very mild (max 12°C on Fri afternoon, min 6°C on Thu night). Winds decreasing (fresh winds from the NNW on Thu afternoon, light winds from the WSW by Fri night).

Thursday
14
Friday
15
Saturday
16
Sun
17
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
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
Rating
(10 max)
0
0
0
0
0
0
1
1
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)
1.3
WNW
7
1.3
WNW
7
1.4
WNW
7
1.4
WNW
7
1.4
WNW
6
1.1
WNW
6
1.1
WNW
6
0.9
WNW
6
0.7
WNW
6
0.6
W
6
0.6
WNW
6
0.9
WNW
4
1
WNW
5
1
WNW
5
0.8
WNW
5
0.7
WNW
5
0.2
W
9
0.3
W
8
0.3
W
8
0.4
W
7
0.5
W
7
0.4
W
5
0.4
W
5
0.3
W
5
Wave Graph
Metric surfscale
Energy kJ
166
176
188
186
165
96
87
64
39
25
25
29
44
52
33
21
8
10
10
17
22
9
8
4
Wind (km/h)
30
NW
30
NW
30
NW
30
NNW
30
NNW
25
NNW
15
NNW
15
N
10
N
15
NW
25
NW
30
NW
30
NW
30
NW
20
NNW
10
NW
10
NW
5
WSW
15
SW
15
SW
20
W
15
WSW
20
WSW
10
SW
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross
cross-off
cross
cross
on
on
on
cross-on
cross-on
cross-on
on
High Tide
5:15AM8.48m
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
clear
clear
part cloud
cloud
light rain
thunderstorm
clear
clear
part cloud
clear
cloud
part cloud
part cloud
clear
clear
clear
part cloud
cloud
cloud
part cloud
cloud
cloud
cloud
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
Temp °C
7
9
10
11
11
11
9
7
6
7
9
11
12
11
7
6
7
8
9
11
12
12
11
10
0
2
3
4
3
5
5
3
2
3
3
4
5
4
2
2
4
5
5
7
8
9
7
8
Swell 1
Height (m)
Direction
Period (s)
0.1
W
16
1.1
WNW
6
1.1
WNW
6
0.9
WNW
6
0.7
WNW
6
0.6
W
6
0.2
W
7
0.1
W
9
0.1
W
9
0.7
WNW
5
0.4
WNW
4
0.3
WNW
4
0.3
W
8
0.1
W
9
0.1
W
9
0.1
W
8
0.4
W
5
0.3
W
5
Energy kJ
5
96
87
64
39
25
4
2
2
21
8
3
10
2
2
1
8
4
Swell 2
Height (m)
Direction
Period (s)
0.1
W
9
0.2
W
6
0.3
W
8
0.1
W
9
0.1
W
9
0.1
W
7
0.2
W
7
0.2
W
7
Energy kJ
2
2
10
2
2
1
4
4
Swell 3
Height (m)
Direction
Period (s)
0.2
W
9
0.2
W
8
0.1
W
9
0.1
W
15
0.1
W
8
0.1
W
13
Energy kJ
6
5
2
4
1
4
Wind waves
Height (m)
Direction
Period (s)
1.3
WNW
7
1.3
WNW
7
1.4
WNW
7
1.4
WNW
7
1.4
WNW
6
0.6
WNW
6
0.9
WNW
4
1
WNW
5
1
WNW
5
0.8
WNW
5
0.4
W
7
0.5
W
7
0.4
W
5
Energy kJ
166
176
188
186
165
25
29
44
52
33
17
22
9
Nearest Offshore or Glassy
Rating
(10 max)
2
1
1
2
1
2
1
1
1
1
1
1
2
4
1
1
1
1
1
1
1
1
1
1
Distance (km)
410
133
161
879
1189
1347
0
0
60
355
358
227
410
367
214
95
144
144
300
331
331
191
300
286
Best forecast wave conditions in Wales - South East
Rating
(10 max)
1
1
Best forecast wave conditions in United Kingdom
Rating
(10 max)
1
1
1
1
1
2
4
4
4
4
4
3
3
3
2
2
2
2
3
Header Global
Rating
(10 max)
9
5
4
5
5
5
5
5
6
5
5
5
5
5
5
5
5
5
4
5
7
5
6
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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