Llantwit Major surf break

Llantwit Major surfForecast / Wales – South East / UK

information circle48hr Weather and Surf, issued 6 am Sunday 31 May 2026 BST
Forecast update in hr  min  s Forecast update imminent
Llantwit Major surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Llantwit Major sea temperature is
14.8° C
(Which is 2.7°C warmer than normal for this time of year)

How big are the waves at Llantwit Major today (31 May):

  • Morning surf: Morning surf (31 May, local time) - 3.5ft (1.0m), 11s period with W swell.
  • Afternoon surf: Afternoon surf (31 May, local time) - 3ft (0.9m), 12s period with WSW swell.
  • Evening surf: Evening surf (31 May, local time) - 3.5ft (1.0m), 11s period with W swell.

The current surf forecast for Llantwit Major at 12PM is: 1.1m 11s primary swell from a West direction (forecast issued at 06:00am May 31). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (31 May)3.5ft (1.0m)11s
Afternoon (31 May)3ft (0.9m)12s
Evening (31 May)3.5ft (1.0m)11s

Table - waves today at Llantwit Major. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 15mm), heaviest on Mon night. Very mild (max 16°C on Mon morning, min 13°C on Sun night). Mainly fresh winds.

Sunday
31
Monday
1
Tuesday
2
Wed
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
0
Swell
Height Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.9
WSW
12
1
W
11
1.1
W
11
1.1
W
12
0.9
WSW
12
1.1
W
12
1
W
11
1
W
11
0.9
WSW
11
0.9
WSW
11
0.9
WSW
11
0.9
WSW
11
0.6
W
11
0.6
W
11
0.6
W
10
0.8
W
7
0.8
W
7
0.9
W
10
1
W
10
1.1
W
10
1.3
W
9
1.2
W
9
1.1
W
9
1.2
W
9
Wave Graph
Metric surfscale
Energy kJ
224
251
302
330
228
324
260
256
205
202
198
194
83
82
75
61
70
154
186
216
264
220
194
225
Wind (km/h)
20
W
20
W
25
W
25
W
25
W
20
W
15
WSW
10
SW
10
SW
10
SSW
10
SSE
15
S
15
S
15
SSW
25
SW
10
WSW
15
W
15
WSW
30
W
30
W
30
W
30
W
25
WSW
20
WSW
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
cross
cross-on
cross-on
cross-on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
7:27AM8.51m
7:44PM8.67m
8:02AM8.55m
8:19PM8.70m
8:38AM8.50m
8:55PM8.64m
Low Tide
1:13AM1.58m
1:28PM1.57m
1:48AM1.49m
2:03PM1.54m
2:25AM1.48m
2:39PM1.58m
cloud
cloud
cloud
part cloud
clear
clear
part cloud
part cloud
cloud
cloud
light rain
light rain
light rain
light rain
mod rain
light rain
light rain
part cloud
part cloud
part cloud
clear
clear
clear
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:03
5:03
5:01
5:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:19
9:20
9:21
9:22
1
2
1
2
6
2
1
Temp °C
14
13
14
15
15
14
13
13
13
13
13
16
16
16
15
14
14
14
14
15
15
14
13
13
11
10
10
11
11
10
11
12
11
11
11
15
14
15
11
13
12
12
9
10
10
9
9
9
Swell 1
Height (m)
Direction
Period (s)
0.9
WSW
12
1
W
11
0.9
WSW
12
1.1
W
12
1
W
11
1
W
11
0.9
WSW
11
0.9
WSW
11
0.9
WSW
11
0.9
WSW
11
0.6
W
11
0.7
WSW
6
0.7
WSW
6
0.8
W
7
0.8
W
7
0.9
W
10
1.1
W
9
1.2
W
9
Energy kJ
224
251
228
324
260
256
205
202
198
194
83
41
44
61
70
154
194
225
Swell 2
Height (m)
Direction
Period (s)
0.6
W
6
0.6
W
11
0.6
W
10
0.5
W
10
0.5
W
10
0.1
W
16
Energy kJ
30
82
75
50
50
5
Swell 3
Height (m)
Direction
Period (s)
Energy kJ
Wind waves
Height (m)
Direction
Period (s)
1.1
W
11
1.1
W
12
0.6
W
4
0.9
W
12
0.2
SSW
2
0.3
SSW
2
0.3
SSW
3
1
W
10
1.1
W
10
1.3
W
9
1.2
W
9
1
W
9
Energy kJ
302
330
10
216
1
1
1
186
216
264
220
157
Nearest Offshore or Glassy
Rating
(10 max)
2
1
1
1
1
3
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
Distance (km)
90
166
173
134
134
134
74
74
28
28
12
28
216
28
74
108
40
48
170
173
611
83
83
134
Best forecast wave conditions in Wales - South East
Rating
(10 max)
2
Best forecast wave conditions in United Kingdom
Rating
(10 max)
3
2
3
3
2
3
2
3
2
2
2
2
2
2
1
2
3
2
1
1
2
1
2
2
Header Global
Rating
(10 max)
7
7
6
6
5
5
5
5
5
5
5
4
5
5
5
8
5
4
5
4
6
4
4
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

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