Llantwit Major surf break

Llantwit Major surfForecast / Wales – South East / UK

information circle48hr Weather and Surf, issued 6 am Monday 11 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
12.1° C
(Which is 1.1°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 2PM is: 0.6m 4s primary swell from a West-northwest direction and 0.1m 10s secondary swell from a West direction (forecast issued at 06:00am May 11). The wind direction is predicted to be cross-shore.

Time (BST) & DateWave HeightWave Period
Morning (11 May)1.5ft (0.4m)3s
Afternoon (11 May)2ft (0.6m)4s
Evening (11 May)1.5ft (0.5m)4s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Some drizzle, heaviest during Mon afternoon. Very mild (max 13°C on Tue afternoon, min 8°C on Mon night). Winds increasing (calm on Mon night, strong winds from the WNW by Wed morning).

Monday
11
Tuesday
12
Wednesday
13
Thu
14
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
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)
0.3
NW
5
0.3
NW
4
0.4
NW
3
0.5
NW
4
0.6
NW
4
0.7
WNW
4
0.5
WNW
4
0.5
WNW
4
0.4
WNW
4
0.3
WNW
4
0.3
WNW
4
0.4
WNW
3
0.6
WNW
4
0.7
WNW
4
0.5
W
4
0.5
W
4
0.9
W
5
1.2
W
6
1.6
W
6
1.8
WNW
7
1.7
W
7
1.6
W
7
1.4
W
7
1.3
W
7
Wave Graph
Metric surfscale
Energy kJ
3
3
3
6
12
15
11
12
8
3
3
3
11
18
9
9
40
89
193
299
303
272
203
161
Wind (km/h)
5
NW
15
NW
25
NW
25
NW
10
NE
10
SSE
0
N
10
WNW
15
NW
10
WNW
25
WNW
25
WNW
25
WNW
25
W
20
WSW
25
W
35
W
45
W
45
WNW
40
WNW
35
WNW
30
WNW
25
NW
25
NW
cross
cross-off
cross
cross
off
cross
glassy
cross
cross
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross-on
cross
cross
cross
High Tide
2:07AM6.88m
2:48PM6.78m
3:20AM7.21m
3:57PM7.28m
4:22AM7.79m
4:53PM7.97m
Low Tide
8:35AM2.91m
9:02PM2.89m
9:41AM2.50m
10:05PM2.43m
10:37AM1.94m
10:58PM1.85m
clear
part cloud
part cloud
part cloud
rain showers
part cloud
clear
cloud
part cloud
cloud
clear
cloud
clear
clear
cloud
part cloud
part cloud
clear
clear
cloud
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:28
5:28
5:26
5:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:52
8:52
8:54
8:55
1
Temp °C
7
8
11
12
11
9
9
9
8
8
11
12
13
12
11
9
9
10
10
11
11
11
9
8
4
4
6
7
8
6
8
6
3
4
6
6
7
7
6
3
1
1
0
2
2
4
3
2
Swell 1
Height (m)
Direction
Period (s)
0.3
NW
5
0.1
W
10
0.1
W
10
0.1
W
10
0.1
W
10
0.1
W
9
0.5
WNW
4
0.5
WNW
4
0.4
WNW
4
0.1
W
9
0.1
W
9
0.1
W
9
0.1
W
9
0.1
W
8
0.1
W
8
0.1
W
8
0.1
W
12
0.1
W
16
Energy kJ
3
2
2
2
2
2
11
12
8
2
2
2
1
1
1
1
3
5
Swell 2
Height (m)
Direction
Period (s)
0.1
W
9
0.1
W
9
0.1
W
9
0.1
W
18
0.1
W
12
Energy kJ
2
2
2
6
3
Swell 3
Height (m)
Direction
Period (s)
0.1
W
10
Energy kJ
2
Wind waves
Height (m)
Direction
Period (s)
0.3
NW
4
0.4
NW
3
0.5
NW
4
0.6
NW
4
0.7
WNW
4
0.3
WNW
4
0.3
WNW
4
0.4
WNW
3
0.6
WNW
4
0.7
WNW
4
0.5
W
4
0.5
W
4
0.9
W
5
1.2
W
6
1.6
W
6
1.8
WNW
7
1.7
W
7
1.6
W
7
1.4
W
7
1.3
W
7
Energy kJ
3
3
6
12
15
3
3
3
11
18
9
9
40
89
193
299
303
272
203
161
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
Distance (km)
94
107
385
385
396
426
355
263
263
271
368
214
197
424
379
336
382
382
882
884
1381
881
878
133
Best forecast wave conditions in Wales - South East
Rating
(10 max)
Best forecast wave conditions in United Kingdom
Rating
(10 max)
1
3
3
1
2
3
3
2
2
2
1
1
1
2
2
4
4
1
2
Header Global
Rating
(10 max)
8
6
5
4
5
5
5
9
9
6
9
9
9
9
9
8
9
9
9
7
6
5
9
8
  • 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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