Llantwit Major Surf Break

Llantwit Major 48 hour detailed Surf Forecast

Lat Long: 51.39° N 3.50° W

Issued: 6 pm 18 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 (19 Jun):

  • Morning surf: Morning surf (19 Jun, local time) - 2.5ft (0.7m), 8s period with W swell.
  • Afternoon surf: Afternoon surf (19 Jun, local time) - 2.5ft (0.8m), 8s period with WSW swell.
  • Evening surf: Evening surf (19 Jun, local time) - 3ft (0.9m), 8s period with WSW swell.

The current surf forecast for Llantwit Major at 12AM is: 0.8m 9s primary swell from a West direction (forecast issued at 06:00pm June 18). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (19 Jun)2.5ft (0.7m)8s
Afternoon (19 Jun)2.5ft (0.8m)8s
Evening (19 Jun)3ft (0.9m)8s

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 Fri afternoon. Warm (max 22°C on Fri morning, min 15°C on Thu night). Wind will be generally light.

Thu
18
Friday
19
Saturday
20
Sun
21
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
1
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)
0.7
W
10
0.7
W
9
0.7
W
9
0.8
W
9
0.8
W
9
0.7
W
9
0.7
W
8
0.8
WSW
8
0.9
WSW
8
1
W
8
0.9
WSW
8
0.8
WSW
8
0.8
WSW
8
0.7
W
8
0.7
W
8
0.6
W
8
0.6
W
8
0.5
W
8
0.5
W
8
0.4
W
8
0.4
WSW
7
0.4
WSW
7
0.3
WSW
7
0.3
WSW
7
Wave Graph
Metric surfscale
Energy kJ
90
85
81
101
99
76
69
90
109
134
107
85
85
61
61
43
42
29
28
18
18
18
10
10
Wind (km/h)
15
WSW
10
W
5
SW
10
S
10
SSE
10
SSE
10
SSW
20
SW
20
W
15
W
5
WSW
15
SW
15
WSW
15
W
15
W
15
W
15
WNW
15
WNW
10
WNW
5
NNW
10
NE
10
ENE
15
E
15
ENE
Wind State
cross-on
cross-on
glassy
cross-on
cross
cross-on
on
on
cross-on
cross-on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
glassy
off
cross-off
cross-off
cross-off
High Tide
10:10PM9.61m
10:37AM8.99m
11:00PM9.17m
11:27AM8.48m
11:51PM8.63m
12:21PM7.95m
Low Tide
3:56PM0.87m
4:29AM0.84m
4:47PM1.19m
5:21AM1.22m
5:38PM1.58m
6:14AM1.65m
cloud
clear
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
light rain
light rain
cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
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>
9:32
9:32
9:34
9:34
 mm
1
1
Temp °C
21
19
18
17
15
16
20
22
20
18
17
17
16
15
15
15
16
16
16
16
15
15
18
21
Feels °C
21
19
19
17
14
15
20
20
19
17
18
16
15
13
13
12
14
14
15
16
13
13
16
20
Swell 1
Height (m)
Direction
Period (s)
0.7
W
10
0.7
W
9
0.7
W
9
0.8
W
9
0.8
W
9
0.7
W
9
0.7
W
8
0.8
WSW
8
0.7
W
8
1
W
8
0.9
WSW
8
0.8
WSW
8
0.8
WSW
8
0.7
W
8
0.7
W
8
0.6
W
8
0.6
W
8
0.5
W
8
0.5
W
8
0.4
W
8
0.4
WSW
7
0.4
WSW
7
0.3
WSW
7
0.3
WSW
7
Energy kJ
90
85
81
101
99
76
69
90
64
134
107
85
85
61
61
43
42
29
28
18
18
18
10
10
Swell 2
Height (m)
Direction
Period (s)
0.3
W
5
0.2
W
5
Energy kJ
4
2
Swell 3
Height (m)
Direction
Period (s)
Energy kJ
Wind waves
Height (m)
Direction
Period (s)
0.3
SW
2
0.9
WSW
8
Energy kJ
1
109
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)
142
57
0
21
12
12
286
255
221
132
28
133
95
39
127
133
136
58
32
21
51
51
94
441
Best forecast wave conditions in Wales - South East
Rating
(10 max)
1
1
1
1
1
1
Best forecast wave conditions in United Kingdom
Rating
(10 max)
2
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
Header Global
Rating
(10 max)
6
5
5
5
6
6
6
4
4
4
4
4
5
5
4
5
9
5
8
9
9
9
8
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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