Llantwit Major surf break

Llantwit Major surfForecast / Wales – South East / UK

information circle48hr Weather and Surf, issued 6 pm Wednesday 13 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
12.3° 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 1AM is: 1.2m 7s primary swell from a West direction and 0.1m 16s secondary swell from a West direction (forecast issued at 06:00pm May 13). The wind direction is predicted to be cross-shore.

Time (BST) & DateWave HeightWave Period
Morning (14 May)5ft (1.5m)7s
Afternoon (14 May)4.5ft (1.4m)7s
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 5mm), mostly falling on Thu afternoon. Very mild (max 12°C on Wed afternoon, min 6°C on Thu night). Winds decreasing (fresh winds from the WNW on Wed afternoon, calm by Fri night).

Wed
13
Thursday
14
Friday
15
Sat
16
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
10 AM
1 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
1
1
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)
1.9
W
8
1.6
W
7
1.3
W
7
1.2
W
7
1.3
WNW
7
1.5
WNW
7
1.5
WNW
7
1.4
WNW
7
1.4
WNW
7
1.2
WNW
7
1.1
WNW
6
0.9
WNW
6
0.7
WNW
6
0.5
WNW
6
0.5
W
6
0.6
WNW
5
0.8
WNW
5
0.9
WNW
5
0.8
WNW
5
0.6
WNW
5
0.4
WNW
5
0.4
WNW
8
0.3
W
7
0.3
W
5
Wave Graph
Metric surfscale
Energy kJ
408
279
181
138
161
204
218
176
180
125
96
55
36
17
19
23
30
42
30
17
9
19
10
4
Wind (km/h)
35
WNW
30
WNW
25
NW
30
NW
30
NW
30
NW
35
NW
30
NNW
30
NNW
20
NNW
15
N
15
N
10
N
10
NW
20
NW
25
WNW
25
NW
25
NW
20
NW
15
NNW
10
NW
5
WSW
15
WSW
15
WSW
cross
cross
cross
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross
cross-off
cross-off
cross
glassy
on
cross-on
High Tide
4:53PM7.97m
5:15AM8.48m
5:42PM8.70m
6:03AM9.15m
6:28PM9.35m
6:50AM9.68m
Low Tide
10:58PM1.85m
11:25AM1.36m
11:46PM1.25m
12:11PM0.84m
00:31AM0.73m
12:55PM0.47m
clear
part cloud
clear
clear
part cloud
cloud
light rain
light rain
rain showers
rain showers
clear
clear
clear
part cloud
clear
cloud
part cloud
clear
part cloud
clear
part cloud
cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:24
5:22
5:22
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:54
8:55
8:58
8:59
1
1
2
1
Temp °C
12
11
9
7
8
9
10
11
11
11
9
7
6
7
10
11
11
11
7
6
6
7
11
12
4
4
3
0
1
2
2
3
4
6
5
3
3
4
5
5
5
4
2
2
3
5
7
8
Swell 1
Height (m)
Direction
Period (s)
0.1
W
16
0.1
W
16
0.1
W
16
1
WNW
7
1.1
WNW
6
0.9
WNW
6
0.7
WNW
6
0.5
WNW
6
0.5
W
6
0.4
WNW
6
0.2
W
7
0.1
W
9
0.1
W
9
0.6
WNW
5
0.4
WNW
5
0.4
WNW
8
0.3
W
7
0.2
W
7
Energy kJ
5
5
5
85
96
55
36
17
19
10
4
2
2
17
9
19
10
4
Swell 2
Height (m)
Direction
Period (s)
0.3
W
6
0.4
NW
5
0.1
W
9
0.2
W
9
0.2
W
8
0.1
W
9
0.1
W
9
Energy kJ
7
7
2
6
5
2
2
Swell 3
Height (m)
Direction
Period (s)
Energy kJ
Wind waves
Height (m)
Direction
Period (s)
1.9
W
8
1.6
W
7
1.3
W
7
1.2
W
7
1.3
WNW
7
1.5
WNW
7
1.5
WNW
7
1.4
WNW
7
1.4
WNW
7
1.2
WNW
7
0.6
WNW
5
0.8
WNW
5
0.9
WNW
5
0.8
WNW
5
0.3
W
5
Energy kJ
408
279
181
138
161
204
218
176
180
125
23
30
42
30
4
Nearest Offshore or Glassy
Rating
(10 max)
2
1
2
2
1
1
1
1
1
2
1
1
1
1
1
1
2
1
1
2
1
1
1
1
Distance (km)
1396
593
410
410
879
161
184
163
1194
395
0
0
153
355
355
223
410
335
197
331
191
127
331
331
Best forecast wave conditions in Wales - South East
Rating
(10 max)
1
1
Best forecast wave conditions in United Kingdom
Rating
(10 max)
4
4
1
1
1
1
1
1
1
2
1
1
4
4
4
4
3
3
3
2
Header Global
Rating
(10 max)
7
9
9
9
9
9
4
5
5
4
5
4
5
5
5
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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