Llantwit Major Surf Break

Lat Long: 51.39° N 3.50° W

Llantwit Major 48 hour detailed Surf Forecast

Issued: 12 am 29 Aug 2026 (local time)

Forecast update in  hr  min

Today's Llantwit Major sea temperature is
20.4°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 (29 Aug):

  • Morning surf: Morning surf (29 Aug, local time) - 1.5ft (0.4m), 6s period with WSW swell.
  • Afternoon surf: Afternoon surf (29 Aug, local time) - 1.5ft (0.4m), 6s period with WSW swell.
  • Evening surf: Evening surf (29 Aug, local time) - 1.5ft (0.4m), 10s period with WSW swell.

The current surf forecast for Llantwit Major at 6AM is: 0.5m 6s primary swell from a West direction (forecast issued at 12:00am August 29). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (29 Aug)1.5ft (0.4m)6s
Afternoon (29 Aug)1.5ft (0.4m)6s
Evening (29 Aug)1.5ft (0.4m)10s

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


Short Range Forecast

Heavy rain (total 24mm), heaviest during Sat morning. Very mild (max 19°C on Sat afternoon, min 15°C on Sun night). Mainly fresh winds.

Saturday
29
Sunday
30
Monday
31
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
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
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)
0.6
W
5
0.5
W
6
0.5
W
6
0.4
WSW
6
0.4
WSW
6
0.4
WSW
6
0.8
W
4
1
W
5
0.6
WSW
10
0.9
WSW
9
0.9
WSW
9
0.9
WSW
9
0.9
WSW
9
1
WSW
8
1.2
WSW
8
1.5
WSW
8
1.9
W
9
1.7
W
9
1.6
W
9
1.5
W
9
1.5
W
9
1.4
W
9
1.3
W
10
1.1
W
10
Wave Graph
Metric surfscale
Energy kJ
21
17
17
10
11
13
17
49
72
135
129
129
140
151
202
280
562
476
427
392
390
340
307
220
Wind (km/h)
20
SW
20
SSW
20
SE
20
SE
15
SW
25
W
30
WNW
25
W
20
W
20
WSW
20
SW
20
SSW
25
SW
25
SSW
25
SW
35
SW
30
W
25
W
25
WNW
25
WNW
25
WNW
25
W
20
W
15
W
Wind State
on
cross-on
cross
cross
on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross-on
High Tide
8:13AM9.32m
8:29PM9.73m
8:47AM9.57m
9:04PM9.88m
9:22AM9.64m
9:39PM9.80m
Low Tide
2:12AM0.73m
2:21PM0.65m
2:40AM0.49m
2:50PM0.49m
3:09AM0.42m
3:20PM0.49m
part cloud
cloud
light rain
rain showers
light rain
light rain
clear
part cloud
clear
part cloud
part cloud
cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
rain showers
clear
part cloud
cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:20
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
7
5
1
1
3
1
3
1
Temp °C
17
17
16
17
18
19
18
17
16
16
16
18
19
17
17
16
16
15
15
15
15
16
16
15
Feels °C
15
15
14
15
17
16
15
14
13
13
14
15
15
13
13
11
11
11
11
11
10
11
12
13
  • 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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