Llantwit Major Surf Break

Llantwit Major 48 hour detailed Surf Forecast

Lat Long: 51.39° N 3.50° W

Issued: 6 pm 20 Jun 2026 (local time)

Forecast update in  hr  min

Today's Llantwit Major sea temperature is
16.0° C

2.4°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 (20 Jun):

  • Afternoon surf: Afternoon surf (20 Jun, local time) - 1.5ft (0.5m), 8s period with W swell.
  • Evening surf: Evening surf (20 Jun, local time) - 1.5ft (0.4m), 8s period with WSW swell.

The current surf forecast for Llantwit Major at 9PM is: 0.4m 8s primary swell from a West-southwest direction and 0.2m 4s secondary swell from a West direction (forecast issued at 06:00pm June 20). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (20 Jun)--
Afternoon (20 Jun)1.5ft (0.5m)8s
Evening (20 Jun)1.5ft (0.4m)8s

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 27°C on Mon afternoon, min 14°C on Sat night). Wind will be generally light.

Sat
20
Sunday
21
Monday
22
Tue
23
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
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)
0.5
W
8
0.5
W
8
0.4
WSW
8
0.3
WSW
8
0.3
WSW
7
0.3
WSW
7
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
Wave Graph
Metric surfscale
Energy kJ
30
29
19
11
11
11
10
9
8
4
4
4
4
4
4
4
1
1
3
2
2
2
2
2
Wind (km/h)
15
WNW
15
W
10
W
5
WNW
5
NE
10
E
10
E
10
ESE
5
ESE
5
E
10
ENE
10
ENE
15
ENE
15
ENE
20
E
20
E
15
E
10
ENE
10
E
10
ESE
15
ENE
15
E
15
E
10
E
Wind State
cross-on
cross-on
cross-on
glassy
off
cross-off
cross-off
cross-off
cross-off
cross-off
off
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
High Tide
11:51PM8.63m
12:21PM7.95m
00:46AM8.07m
1:18PM7.50m
1:46AM7.58m
Low Tide
5:38PM1.58m
6:14AM1.65m
6:31PM2.00m
7:08AM2.06m
7:28PM2.37m
8:04AM2.41m
cloud
cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
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>
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
17
16
16
15
14
16
20
22
23
23
21
18
18
19
23
26
27
26
23
21
20
22
25
Feels °C
14
15
15
16
15
12
15
19
22
23
24
21
18
17
17
22
26
28
27
24
21
19
22
26
Swell 1
Height (m)
Direction
Period (s)
0.5
W
8
0.5
W
8
0.4
WSW
8
0.3
WSW
8
0.3
WSW
7
0.3
WSW
7
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
Energy kJ
30
29
19
11
11
11
10
9
8
4
4
4
4
4
4
4
1
1
1
1
1
1
2
2
Swell 2
Height (m)
Direction
Period (s)
0.2
W
4
0.2
W
4
0.2
W
4
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
7
0.1
W
7
Energy kJ
1
1
1
2
1
1
1
1
1
1
1
1
3
2
2
2
1
1
Swell 3
Height (m)
Direction
Period (s)
Energy kJ
Wind waves
Height (m)
Direction
Period (s)
0.3
W
5
Energy kJ
4
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)
40
58
39
21
51
51
51
196
211
471
471
441
441
441
475
485
488
475
475
82
82
82
488
178
Best forecast wave conditions in Wales - South East
Rating
(10 max)
1
Best forecast wave conditions in United Kingdom
Rating
(10 max)
1
1
1
1
2
1
1
1
1
2
2
1
1
1
1
2
1
1
1
1
1
1
1
1
Header Global
Rating
(10 max)
5
5
5
9
9
9
8
8
7
7
7
6
6
6
7
7
5
5
5
5
5
6
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
How to use the Wavefinder 

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