Llantwit Major Surf Break

Llantwit Major 48 hour detailed Surf Forecast

Lat Long: 51.39° N 3.50° W

Issued: 12 pm 21 Jun 2026 (local time)

Forecast update in  hr  min

Today's Llantwit Major sea temperature is
15.9° C

2.2°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 (21 Jun):

  • Morning surf: Morning surf (21 Jun, local time) - 1ft (0.3m), 7s period with WSW swell.
  • Afternoon surf: Afternoon surf (21 Jun, local time) - 1ft (0.3m), 7s period with W swell.
  • Evening surf: Evening surf (21 Jun, local time) - 0.5ft (0.2m), 7s period with W swell.

The current surf forecast for Llantwit Major at 8PM is: 0.2m 7s primary swell from a West direction and 0.1m 7s secondary swell from a West direction (forecast issued at 12:00pm June 21). The wind direction is predicted to be glassy.

Time (BST) & DateWave HeightWave Period
Morning (21 Jun)1ft (0.3m)7s
Afternoon (21 Jun)1ft (0.3m)7s
Evening (21 Jun)0.5ft (0.2m)7s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 29°C on Tue afternoon, min 17°C on Sun morning). Wind will be generally light.

Sun
21
Monday
22
Tuesday
23
Wed
24
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
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)
0.3
WSW
7
0.3
W
7
0.3
W
7
0.2
W
7
0.2
W
7
0.2
W
7
0.2
W
7
0.2
W
7
0.2
W
7
0.2
W
7
0.1
W
7
0.1
W
8
0.1
W
12
0.1
W
11
0.1
W
11
0.1
W
11
0.1
W
10
0.1
W
10
0.1
W
10
0.2
W
9
0.2
WSW
9
0.2
WSW
9
0.2
WSW
9
0.2
WSW
9
Wave Graph
Metric surfscale
Energy kJ
10
9
8
4
4
4
4
4
4
4
1
1
3
2
2
2
2
2
2
7
8
8
8
7
Wind (km/h)
5
E
5
ESE
5
ESE
0
WSW
5
N
5
E
10
ENE
15
ENE
20
ENE
25
E
15
ENE
15
ENE
15
E
15
ENE
10
ENE
15
E
15
E
10
E
5
ESE
5
W
5
WSW
0
NNE
10
E
10
E
Wind State
cross-off
cross-off
glassy
glassy
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
glassy
on
glassy
cross-off
cross-off
High Tide
12:21PM7.95m
00:46AM8.07m
1:18PM7.50m
1:46AM7.58m
2:21PM7.20m
2:50AM7.27m
Low Tide
6:31PM2.00m
7:08AM2.06m
7:28PM2.37m
8:04AM2.41m
8:27PM2.64m
part cloud
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
<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>
9:34
9:34
9:34
9:34
 mm
Temp °C
17
20
22
23
22
21
19
18
20
24
27
28
26
22
20
19
21
25
28
29
27
25
23
22
Feels °C
17
20
23
25
23
22
19
17
18
22
27
29
26
22
20
18
21
26
31
32
30
29
25
24
Swell 1
Height (m)
Direction
Period (s)
0.3
WSW
7
0.3
W
7
0.3
W
7
0.2
W
7
0.2
W
7
0.2
W
7
0.2
W
7
0.2
W
7
0.2
W
7
0.2
W
7
0.1
W
7
0.1
W
6
0.1
W
7
0.1
W
7
0.1
W
7
0.1
W
7
0.1
W
10
0.1
W
10
0.1
W
10
0.2
W
9
0.2
WSW
9
0.2
WSW
9
0.2
WSW
9
0.2
WSW
9
Energy kJ
10
9
8
4
4
4
4
4
4
4
1
1
1
1
1
1
2
2
2
7
8
8
8
7
Swell 2
Height (m)
Direction
Period (s)
0.1
SW
7
0.1
W
7
0.1
W
8
0.1
W
7
0.1
W
8
0.1
W
8
0.1
W
8
0.1
W
6
0.1
W
8
0.1
W
12
0.1
W
11
0.1
W
11
0.1
W
11
0.1
W
6
0.1
W
7
0.1
W
7
0.1
W
8
Energy kJ
2
1
1
1
1
1
1
1
1
3
2
2
2
1
1
1
1
Swell 3
Height (m)
Direction
Period (s)
0.1
W
7
Energy kJ
1
Wind waves
Height (m)
Direction
Period (s)
Energy kJ
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
51
196
363
441
471
441
441
441
475
485
488
475
505
475
238
84
488
214
399
806
196
196
363
790
Best forecast wave conditions in Wales - South East
Rating
(10 max)
Best forecast wave conditions in United Kingdom
Rating
(10 max)
1
1
1
2
2
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
Header Global
Rating
(10 max)
8
8
7
7
7
6
6
5
7
6
6
5
5
5
5
5
5
5
5
5
7
8
9
7
  • 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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