Llantwit Major Surf Break

Llantwit Major 48 hour detailed Surf Forecast

Lat Long: 51.39° N 3.50° W

Issued: 6 am 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 (18 Jun):

  • Morning surf: Morning surf (18 Jun, local time) - 2.5ft (0.7m), 10s period with W swell.
  • Afternoon surf: Afternoon surf (18 Jun, local time) - 2.5ft (0.7m), 10s period with W swell.
  • Evening surf: Evening surf (18 Jun, local time) - 2.5ft (0.7m), 9s period with W swell.

The current surf forecast for Llantwit Major at 9AM is: 0.7m 10s primary swell from a West direction (forecast issued at 06:00am June 18). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (18 Jun)2.5ft (0.7m)10s
Afternoon (18 Jun)2.5ft (0.7m)10s
Evening (18 Jun)2.5ft (0.7m)9s

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 3mm), mostly falling on Fri night. Warm (max 22°C on Fri morning, min 14°C on Sat morning). Wind will be generally light.

Thursday
18
Friday
19
Saturday
20
Sun
21
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)
1
0
0
0
0
0
1
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
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
W
10
0.7
W
10
0.7
W
10
0.7
W
10
0.7
W
10
0.7
W
9
0.7
W
9
0.8
W
9
0.8
W
9
0.8
W
9
0.8
W
8
0.8
WSW
8
0.8
WSW
8
0.9
WSW
8
0.9
WSW
8
0.8
WSW
8
0.7
W
8
0.6
W
8
0.6
W
8
0.6
W
8
0.5
W
8
0.5
W
8
0.4
WSW
8
0.4
WSW
8
Wave Graph
Metric surfscale
Energy kJ
96
94
94
92
90
85
81
101
99
96
90
90
87
109
107
85
63
45
44
44
30
29
19
19
Wind (km/h)
5
SSW
10
SSW
10
SSW
10
SSW
15
WSW
10
WNW
0
SSW
10
S
5
SSE
10
S
10
S
10
SW
15
W
15
W
10
W
10
WSW
10
WSW
15
W
15
W
15
W
15
W
15
W
10
WNW
5
NNE
Wind State
glassy
on
cross-on
on
cross-on
cross
glassy
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
glassy
High Tide
9:47AM9.41m
10:10PM9.61m
10:37AM8.99m
11:00PM9.17m
11:27AM8.48m
11:51PM8.63m
Low Tide
3:38AM0.57m
3:56PM0.87m
4:29AM0.84m
4:47PM1.19m
5:21AM1.22m
5:38PM1.58m
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
cloud
part cloud
cloud
cloud
light rain
light rain
light rain
clear
part cloud
cloud
clear
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
9:34
9:34
 mm
1
1
1
Temp °C
16
16
18
20
21
18
18
16
15
15
19
22
21
18
17
17
16
15
14
16
16
16
16
15
Feels °C
17
16
17
19
20
18
19
16
15
15
19
21
20
17
17
17
16
14
12
14
13
14
15
14
Swell 1
Height (m)
Direction
Period (s)
0.7
W
10
0.7
W
10
0.7
W
10
0.7
W
10
0.7
W
10
0.7
W
9
0.7
W
9
0.8
W
9
0.8
W
9
0.8
W
9
0.8
W
8
0.8
WSW
8
0.8
WSW
8
0.9
WSW
8
0.9
WSW
8
0.8
WSW
8
0.7
W
8
0.6
W
8
0.6
W
8
0.6
W
8
0.5
W
8
0.5
W
8
0.4
WSW
8
0.4
WSW
8
Energy kJ
96
94
94
92
90
85
81
101
99
96
90
90
87
109
107
85
63
45
44
44
30
29
19
19
Swell 2
Height (m)
Direction
Period (s)
Energy kJ
Swell 3
Height (m)
Direction
Period (s)
Energy kJ
Wind waves
Height (m)
Direction
Period (s)
0.5
W
8
0.3
W
4
0.2
W
4
Energy kJ
29
4
2
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)
28
0
28
28
21
28
142
60
0
12
12
21
21
292
255
142
28
57
129
58
40
84
177
58
Best forecast wave conditions in Wales - South East
Rating
(10 max)
1
1
1
1
1
1
1
Best forecast wave conditions in United Kingdom
Rating
(10 max)
2
2
2
2
2
2
2
2
2
2
1
1
1
1
1
2
2
1
1
1
1
1
1
1
Header Global
Rating
(10 max)
5
5
5
9
9
9
5
5
5
5
6
6
6
4
8
4
4
6
4
4
4
5
5
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
How to use the Wavefinder

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