Llantwit Major surf break

Llantwit Major surfForecast / Wales – South East / UK

information circle48hr Weather and Surf, issued 12 pm Tuesday 12 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 1.4°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 3PM is: 0.7m 4s primary swell from a West-northwest direction (forecast issued at 12:00pm May 12). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (12 May)0.5ft (0.1m)9s
Afternoon (12 May)2.5ft (0.7m)4s
Evening (12 May)2.5ft (0.7m)5s

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 6mm), mostly falling on Thu afternoon. Very mild (max 13°C on Tue afternoon, min 7°C on Thu night). Winds decreasing (strong winds from the WNW on Wed morning, light winds from the N by Thu night).

Tue
12
Wednesday
13
Thursday
14
Fri
15
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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)
0.1
W
9
0.6
WNW
4
0.7
WNW
4
0.7
WNW
4
0.6
W
5
0.8
W
5
1.3
W
6
1.6
W
6
1.9
WNW
7
2
W
7
1.9
WNW
7
1.7
W
7
1.5
W
7
1.4
W
7
1.5
WNW
7
1.6
WNW
7
1.6
WNW
7
1.4
WNW
7
1.3
WNW
7
1.2
WNW
7
1
WNW
6
0.8
WNW
6
0.7
W
6
0.5
W
6
Wave Graph
Metric surfscale
Energy kJ
2
11
18
20
15
29
110
220
362
447
405
320
239
198
215
254
254
173
145
117
85
50
32
15
Wind (km/h)
25
WNW
30
WNW
30
WNW
20
WNW
25
WSW
30
WNW
40
WNW
40
WNW
45
WNW
40
WNW
35
WNW
30
WNW
25
NW
30
NW
30
NW
30
NW
30
NW
30
NW
30
NNW
20
N
15
NNE
15
N
5
N
10
NW
cross-on
cross-on
cross
cross
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross-off
cross
cross-off
cross-off
off
cross-off
cross-off
cross
High Tide
3:57PM7.28m
4:22AM7.79m
4:53PM7.97m
5:15AM8.48m
5:42PM8.70m
6:03AM9.15m
Low Tide
9:41AM2.50m
10:05PM2.43m
10:37AM1.94m
10:58PM1.85m
11:25AM1.36m
11:46PM1.25m
part cloud
cloud
part cloud
clear
clear
clear
cloud
clear
part cloud
rain showers
part cloud
part cloud
part cloud
clear
cloud
cloud
cloud
light rain
rain showers
rain showers
rain showers
part cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:28
5:26
5:24
5:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:52
8:54
8:55
8:58
1
1
1
2
1
Temp °C
11
12
13
13
11
9
9
9
9
10
12
11
9
8
9
9
10
11
11
11
9
7
7
8
6
6
7
8
5
2
0
-1
-1
1
3
4
3
1
2
2
3
3
4
6
5
3
4
5
Swell 1
Height (m)
Direction
Period (s)
0.1
W
9
0.1
W
8
0.1
W
8
0.1
W
12
0.1
W
16
0.1
W
16
1
WNW
6
0.8
WNW
6
0.7
W
6
0.5
W
6
Energy kJ
2
1
1
3
5
5
85
50
32
15
Swell 2
Height (m)
Direction
Period (s)
0.3
W
7
Energy kJ
8
Swell 3
Height (m)
Direction
Period (s)
Energy kJ
Wind waves
Height (m)
Direction
Period (s)
0.4
WNW
2
0.6
WNW
4
0.7
WNW
4
0.7
WNW
4
0.6
W
5
0.8
W
5
1.3
W
6
1.6
W
6
1.9
WNW
7
2
W
7
1.9
WNW
7
1.7
W
7
1.5
W
7
1.4
W
7
1.5
WNW
7
1.6
WNW
7
1.6
WNW
7
1.4
WNW
7
1.3
WNW
7
1.2
WNW
7
Energy kJ
2
11
18
20
15
29
110
220
362
447
405
320
239
198
215
254
254
173
145
117
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
2
2
1
1
2
1
1
1
1
1
1
1
1
1
1
Distance (km)
331
331
383
374
379
336
382
382
789
989
985
882
410
410
133
133
161
161
355
410
0
53
100
241
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
3
4
4
4
1
2
4
1
1
1
1
1
1
1
1
Header Global
Rating
(10 max)
9
8
9
9
9
9
9
8
8
8
7
9
9
9
9
5
5
5
5
5
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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