Llantwit Major Surf Break

Lat Long: 51.39° N 3.50° W

Llantwit Major 48 hour detailed Surf Forecast

Issued: 6 am 11 Aug 2026 (local time)

Forecast update in  hr  min

Today's Llantwit Major sea temperature is
20.5° C
4.2° 

Llantwit Major surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Llantwit Major today (11 Aug):

  • Morning surf: Morning surf (11 Aug, local time) - 0.5ft (0.2m), 8s period with W swell.
  • Afternoon surf: Afternoon surf (11 Aug, local time) - 0.5ft (0.2m), 8s period with W swell.
  • Evening surf: Evening surf (11 Aug, local time) - 0.5ft (0.2m), 8s period with W swell.

The current surf forecast for Llantwit Major at 11AM is: 0.2m 8s primary swell from a West direction and 0.1m 10s secondary swell from a West direction (forecast issued at 06:00am August 11). The wind direction is predicted to be cross-offshore.

Time (BST) & DateWave HeightWave Period
Morning (11 Aug)0.5ft (0.2m)8s
Afternoon (11 Aug)0.5ft (0.2m)8s
Evening (11 Aug)0.5ft (0.2m)8s

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


Short Range Forecast

Mostly dry. Warm (max 33°C on Wed afternoon, min 17°C on Tue night). Winds increasing (calm on Wed night, fresh winds from the W by Thu afternoon).

Tuesday
11
Wednesday
12
Thursday
13
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
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.2
W
4
0.2
W
8
0.2
W
8
0.2
W
8
0.2
W
8
0.2
W
8
0.2
W
8
0.2
W
12
0.3
WSW
11
0.4
WSW
11
0.4
WSW
10
0.4
WSW
10
0.4
WSW
10
0.4
WSW
9
0.5
W
9
0.5
W
9
0.5
W
9
0.5
W
10
0.6
W
11
0.6
W
11
0.8
W
10
1
W
10
0.6
W
10
Wave Graph
Metric surfscale
Energy kJ
2
5
5
5
5
4
4
10
24
39
34
33
32
29
44
45
45
47
82
82
130
194
71
Wind (km/h)
15
ENE
15
E
15
ESE
15
ESE
15
SSE
15
SSW
5
S
10
ESE
10
E
10
ENE
15
E
15
E
20
SSE
15
SSW
10
WNW
5
W
5
N
5
NW
10
W
25
W
35
W
30
W
20
W
Wind State
cross-off
cross-off
cross-off
cross-off
cross-on
cross-on
cross-on
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-on
cross-on
glassy
glassy
glassy
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
6:07AM8.48m
6:33PM9.03m
7:00AM9.11m
7:22PM9.68m
7:46AM9.59m
8:07PM10.11m
Low Tide
12:27PM1.56m
00:59AM1.09m
1:18PM0.96m
1:46AM0.55m
2:02PM0.52m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:52
5:54
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:45
8:43
8:40
 mm
Temp °C
16
15
19
24
28
27
23
20
18
17
21
28
33
32
26
24
23
22
25
26
25
22
19
Feels °C
13
12
17
22
25
24
22
17
15
14
18
25
29
28
24
23
22
21
23
21
20
19
17
  • 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
How to use the Wavefinder 

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