Llantwit Major Surf Break

Lat Long: 51.39° N 3.50° W

Llantwit Major 48 hour detailed Surf Forecast

Issued: 6 pm 29 Aug 2026 (local time)

Forecast update in  hr  min

Today's Llantwit Major sea temperature is
20.5°C
4.2° 

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 Aug):

  • Morning surf: Morning surf (30 Aug, local time) - 3ft (0.9m), 9s period with W swell.
  • Afternoon surf: Afternoon surf (30 Aug, local time) - 3.5ft (1.0m), 9s period with WSW swell.
  • Evening surf: Evening surf (30 Aug, local time) - 3.5ft (1.1m), 8s period with WSW swell.

The current surf forecast for Llantwit Major at 2AM is: 1.1m 9s primary swell from a West direction (forecast issued at 06:00pm August 29). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (30 Aug)3ft (0.9m)9s
Afternoon (30 Aug)3.5ft (1.0m)9s
Evening (30 Aug)3.5ft (1.1m)8s

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


Short Range Forecast

Moderate rain (total 14mm), heaviest on Sun afternoon. Warm (max 20°C on Sat afternoon, min 15°C on Sun night). Winds decreasing (fresh winds from the SW on Sun night, light winds from the WSW by Mon night).

Sat
29
Sunday
30
Monday
31
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
Rating
(10 max)
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
Wave
Height (m)
Direction
Period (s)
0.6
WSW
6
0.8
W
4
1.4
W
6
1.1
W
9
1
W
9
1
W
8
0.9
W
9
0.9
WSW
9
1.1
WSW
9
1.1
WSW
8
1.1
WSW
8
1.4
WSW
9
1.5
W
9
1.5
W
10
1.5
W
10
1.6
W
10
1.5
W
10
1.3
W
10
1.1
W
10
Wave Graph
Metric surfscale
Energy kJ
32
17
139
185
150
133
125
129
189
171
176
297
372
405
417
472
407
305
216
Wind (km/h)
25
W
30
W
30
WNW
20
W
25
WSW
15
SW
20
SW
25
SW
35
SSW
25
SW
35
SW
30
WSW
30
WNW
30
WNW
30
WNW
30
WNW
25
WNW
20
WNW
15
W
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
High Tide
8:29PM9.73m
8:47AM9.57m
9:04PM9.88m
9:22AM9.64m
9:39PM9.80m
Low Tide
2:21PM0.65m
2:40AM0.49m
2:50PM0.49m
3:09AM0.42m
3:20PM0.49m
light rain
clear
clear
clear
part cloud
clear
clear
thunderstorm
light rain
thunderstorm
thunderstorm
thunderstorm
clear
part cloud
cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:22
6:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:07
8:05
8:02
 mm
2
2
4
1
4
1
Temp °C
20
19
17
16
16
16
18
19
17
17
16
16
15
15
15
15
16
16
15
Feels °C
18
16
13
13
13
14
15
15
12
13
10
11
10
10
10
9
11
12
12
  • 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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