Llantwit Major Surf Break

Llantwit Major 48 hour detailed Surf Forecast

Lat Long: 51.39° N 3.50° W

Issued: 6 am 30 Jun 2026 (local time)

Forecast update in  hr  min

Today's Llantwit Major sea temperature is
18.2° C

3.9°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 (30 Jun):

  • Morning surf: Morning surf (30 Jun, local time) - 1.5ft (0.4m), 10s period with WSW swell.
  • Afternoon surf: Afternoon surf (30 Jun, local time) - 3ft (0.9m), 8s period with W swell.
  • Evening surf: Evening surf (30 Jun, local time) - 4ft (1.2m), 10s period with W swell.

The current surf forecast for Llantwit Major at 12PM is: 0.6m 7s primary swell from a West direction and 0.4m 10s secondary swell from a West direction (forecast issued at 06:00am June 30). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (30 Jun)1.5ft (0.4m)10s
Afternoon (30 Jun)3ft (0.9m)8s
Evening (30 Jun)4ft (1.2m)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 Tue morning. Very mild (max 19°C on Tue morning, min 14°C on Tue night). Winds decreasing (fresh winds from the W on Wed night, calm by Thu night).

Tuesday
30
Wednesday
1
Thursday
2
Fri
3
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
1 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
1
Swell
Height Map
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
0.6
W
10
0.4
WSW
10
0.7
W
7
1.1
W
9
1.2
W
9
1.2
W
10
1.1
W
10
1
W
10
1
W
11
1.1
W
11
1.2
W
11
1.2
W
10
1.1
W
10
1
W
10
1
W
10
1.2
W
6
1.4
W
7
1.4
W
7
1.2
W
8
1.1
W
8
0.9
W
7
0.9
W
9
0.8
W
9
Wave Graph
Metric surfscale
Energy kJ
108
74
32
48
181
246
279
255
225
238
284
319
290
234
190
190
109
188
210
159
133
85
126
111
Wind (km/h)
10
SSW
10
SSW
15
SSW
15
SW
25
WSW
25
W
15
WSW
15
W
15
W
15
WNW
20
WNW
25
W
30
W
30
W
25
WSW
30
WSW
35
W
30
W
25
NW
20
WNW
20
WNW
20
NW
10
NW
5
N
Wind State
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
glassy
High Tide
7:46AM8.24m
8:04PM8.54m
8:23AM8.40m
8:40PM8.70m
8:59AM8.48m
9:16PM8.78m
Low Tide
1:38AM1.81m
1:54PM1.75m
2:17AM1.62m
2:31PM1.59m
2:55AM1.51m
3:06PM1.51m
cloud
cloud
part cloud
rain showers
rain showers
clear
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
clear
part cloud
cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:00
5:01
5:01
5:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:34
9:32
9:32
9:32
 mm
1
1
Temp °C
14
14
18
19
17
17
15
15
15
14
16
16
15
14
14
15
16
15
15
17
19
18
17
16
Feels °C
13
13
16
16
13
14
14
14
14
12
13
12
11
9
10
10
11
11
11
14
15
15
15
15
Swell 1
Height (m)
Direction
Period (s)
0.7
W
10
0.6
W
10
0.5
W
7
0.7
W
7
1.1
W
9
1.2
W
9
1.2
W
10
1.1
W
10
1
W
10
1
W
11
1.1
W
11
1
W
10
1.4
W
7
1.2
W
8
1.1
W
8
0.9
W
7
0.9
W
9
0.8
W
9
Energy kJ
108
74
25
48
181
246
279
255
225
238
284
190
210
159
133
85
126
111
Swell 2
Height (m)
Direction
Period (s)
0.4
WSW
10
0.4
W
10
0.5
W
9
Energy kJ
32
28
43
Swell 3
Height (m)
Direction
Period (s)
Energy kJ
Wind waves
Height (m)
Direction
Period (s)
0.8
W
9
1
W
9
1.2
W
11
1.2
W
10
1.1
W
10
1
W
10
1.2
W
6
1.4
W
7
Energy kJ
96
160
319
290
234
190
109
188
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
2
3
2
2
2
2
2
2
1
4
2
1
2
2
2
1
2
1
1
1
1
Distance (km)
28
118
216
223
191
215
48
40
39
15
48
140
349
349
136
395
300
355
40
39
39
39
9
0
Best forecast wave conditions in Wales - South East
Rating
(10 max)
2
1
1
Best forecast wave conditions in United Kingdom
Rating
(10 max)
2
2
3
2
3
2
2
2
2
2
2
2
1
2
2
1
1
2
1
1
3
2
Header Global
Rating
(10 max)
5
5
5
5
5
5
5
5
5
5
5
5
5
4
5
5
8
5
7
6
6
5
7
9
  • 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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