Llantwit Major Surf Break

Llantwit Major 48 hour detailed Surf Forecast

Lat Long: 51.39° N 3.50° W

Issued: 12 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 (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 6PM is: 0.7m 9s primary swell from a West direction (forecast issued at 12:00pm 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

Mostly dry. Warm (max 22°C on Fri morning, min 14°C on Fri night). Wind will be generally light.

Thu
18
Friday
19
Saturday
20
Sun
21
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)
0.7
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
0.7
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
0.5
W
8
0.5
W
8
0.5
W
8
0.4
WSW
8
0.4
W
7
0.4
WSW
7
Wave Graph
Metric surfscale
Energy kJ
94
92
90
85
81
101
99
74
69
90
112
134
109
87
85
61
61
44
29
29
28
19
17
18
Wind (km/h)
10
SSW
10
SSW
15
SW
10
W
5
SSW
10
S
10
SSE
10
S
15
S
15
SW
20
W
15
W
15
W
15
WSW
15
W
15
W
15
W
15
WNW
15
W
15
WNW
10
WNW
5
NNW
10
ENE
10
ENE
Wind State
cross-on
on
on
cross-on
on
cross-on
cross
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
glassy
cross-off
cross-off
High Tide
9:47AM9.41m
10:10PM9.61m
10:37AM8.99m
11:00PM9.17m
11:27AM8.48m
11:51PM8.63m
Low Tide
3:56PM0.87m
4:29AM0.84m
4:47PM1.19m
5:21AM1.22m
5:38PM1.58m
6:14AM1.65m
cloud
cloud
cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part 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
Temp °C
18
20
21
20
18
17
15
15
19
22
19
18
17
16
15
14
15
15
16
16
16
16
15
14
Feels °C
17
20
20
20
19
17
15
15
18
20
18
17
16
15
13
12
13
12
13
14
14
16
13
12
Swell 1
Height (m)
Direction
Period (s)
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
0.7
W
9
0.7
W
8
0.8
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
0.5
W
8
0.5
W
8
0.5
W
8
0.4
WSW
8
0.4
W
7
0.4
WSW
7
Energy kJ
94
92
90
85
81
101
99
74
69
90
134
109
87
85
61
61
44
29
29
28
19
17
18
Swell 2
Height (m)
Direction
Period (s)
0.3
WSW
8
0.2
W
5
Energy kJ
11
2
Swell 3
Height (m)
Direction
Period (s)
Energy kJ
Wind waves
Height (m)
Direction
Period (s)
0.9
WSW
8
Energy kJ
112
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
28
60
131
57
9
21
12
19
21
261
142
60
142
133
84
40
58
133
170
58
39
21
51
51
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
2
2
2
2
1
1
1
1
1
2
2
2
1
1
1
1
1
1
1
1
1
1
2
Header Global
Rating
(10 max)
9
9
5
5
5
5
5
6
6
7
5
4
7
6
5
5
4
5
5
5
5
9
9
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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