Llantwit Major Surf Break

Llantwit Major 48 hour detailed Surf Forecast

Lat Long: 51.39° N 3.50° W

Issued: 12 pm 17 Jun 2026 (local time)

Forecast update in  hr  min

Today's Llantwit Major sea temperature is
15.5° C

2.0°C warmer than normal for this time of year

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 (17 Jun):

  • Morning surf: Morning surf (17 Jun, local time) - 2ft (0.6m), 10s period with W swell.
  • Afternoon surf: Afternoon surf (17 Jun, local time) - 3ft (0.9m), 10s period with W swell.
  • Evening surf: Evening surf (17 Jun, local time) - 2.5ft (0.8m), 10s period with W swell.

The current surf forecast for Llantwit Major at 6PM is: 0.8m 10s primary swell from a West direction (forecast issued at 12:00pm June 17). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (17 Jun)2ft (0.6m)10s
Afternoon (17 Jun)3ft (0.9m)10s
Evening (17 Jun)2.5ft (0.8m)10s

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 2mm), mostly falling on Wed morning. Warm (max 22°C on Fri morning, min 15°C on Wed morning). Wind will be generally light.

Wed
17
Thursday
18
Friday
19
Sat
20
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
1
0
0
0
0
0
0
1
1
0
1
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)
0.6
W
10
0.6
W
10
0.9
W
10
0.8
W
10
0.8
W
10
0.7
W
10
0.7
W
10
0.7
W
10
0.7
W
10
0.7
W
10
0.7
W
10
0.7
W
9
0.8
W
9
0.8
W
9
0.8
W
9
0.7
W
9
0.7
W
8
0.7
W
8
0.7
W
8
0.8
WSW
8
0.9
WSW
8
0.9
WSW
8
0.8
WSW
8
0.7
W
8
Wave Graph
Metric surfscale
Energy kJ
78
77
167
130
127
96
96
94
94
92
90
85
103
101
99
74
71
66
64
85
104
104
81
58
Wind (km/h)
15
WSW
20
W
20
W
15
W
10
WNW
0
SW
5
SSE
10
SSW
15
SSW
15
SW
15
WNW
10
WNW
0
NW
5
ESE
5
SSE
5
SSE
10
SSW
10
SW
15
WSW
10
W
15
W
15
W
10
W
10
WNW
Wind State
on
cross-on
cross-on
cross-on
cross-on
glassy
cross
cross-on
cross-on
on
cross-on
cross
glassy
glassy
cross
glassy
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
8:59AM9.67m
9:21PM9.88m
9:47AM9.41m
10:10PM9.61m
10:37AM8.99m
11:00PM9.17m
Low Tide
3:06PM0.67m
3:38AM0.57m
3:56PM0.87m
4:29AM0.84m
4:47PM1.19m
5:21AM1.22m
light rain
part cloud
clear
clear
clear
cloud
cloud
cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
light rain
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:56
4:56
4:56
4:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:32
9:32
9:32
9:34
 mm
1
1
Temp °C
15
16
17
16
15
15
16
16
18
21
19
17
16
16
15
16
19
22
22
19
17
16
15
15
Feels °C
13
14
14
14
14
16
17
16
17
20
18
17
17
17
15
17
19
21
20
19
16
15
15
14
Swell 1
Height (m)
Direction
Period (s)
0.7
W
6
0.7
W
6
0.8
W
10
0.8
W
10
0.7
W
10
0.7
W
10
0.7
W
10
0.7
W
10
0.7
W
10
0.7
W
10
0.7
W
9
0.8
W
9
0.8
W
9
0.8
W
9
0.7
W
9
0.7
W
8
0.7
W
8
0.7
W
8
0.8
WSW
8
0.9
WSW
8
0.9
WSW
8
0.8
WSW
8
0.7
W
8
Energy kJ
38
38
130
127
96
96
94
94
92
90
85
103
101
99
74
71
66
64
85
104
104
81
58
Swell 2
Height (m)
Direction
Period (s)
0.6
W
10
0.6
W
10
Energy kJ
78
77
Swell 3
Height (m)
Direction
Period (s)
Energy kJ
Wind waves
Height (m)
Direction
Period (s)
0.9
W
10
0.4
SW
3
Energy kJ
167
2
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
142
142
155
118
28
0
19
28
28
28
142
74
0
0
12
0
118
21
255
142
88
88
40
32
Best forecast wave conditions in Wales - South East
Rating
(10 max)
1
1
1
1
1
1
1
1
Best forecast wave conditions in United Kingdom
Rating
(10 max)
3
2
2
2
2
2
2
2
2
2
2
1
2
1
1
1
1
1
1
2
2
1
1
1
Header Global
Rating
(10 max)
5
4
4
4
5
5
9
9
9
6
5
5
6
5
6
6
6
7
4
4
7
4
4
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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