Llantwit Major Surf Break

Lat Long: 51.39° N 3.50° W

Llantwit Major 48 hour detailed Surf Forecast

Issued: 12 am 30 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 WSW swell.
  • Afternoon surf: Afternoon surf (30 Aug, local time) - 3ft (0.9m), 6s 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 8AM is: 0.9m 8s primary swell from a West direction (forecast issued at 12:00am August 30). The wind direction is predicted to be onshore.

Time (BST) & DateWave HeightWave Period
Morning (30 Aug)3ft (0.9m)9s
Afternoon (30 Aug)3ft (0.9m)6s
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 Sun morning, min 15°C on Sun night). Mainly fresh winds.

Sunday
30
Monday
31
Tuesday
1
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)
1.1
W
9
1
W
9
1
W
8
0.9
WSW
9
0.9
WSW
9
0.9
WSW
6
1.1
WSW
8
1.1
WSW
8
1.3
WSW
8
1.3
W
9
1.4
W
9
1.4
W
10
1.5
W
10
1.4
W
10
1.3
W
10
1.1
W
10
1
W
10
0.8
W
10
0.7
W
9
0.7
W
9
0.7
W
9
0.7
W
9
0.6
W
8
0.6
W
8
Wave Graph
Metric surfscale
Energy kJ
185
154
136
129
132
57
167
180
246
281
347
371
426
369
312
220
186
117
81
78
76
74
51
47
Wind (km/h)
20
W
25
WSW
15
SW
20
SW
25
WSW
25
SSW
25
SW
25
SW
30
WSW
30
WNW
25
WNW
30
WNW
30
WNW
30
WNW
20
WNW
15
W
15
W
15
WSW
15
WSW
20
WSW
20
W
25
W
15
W
15
WSW
Wind State
cross-on
cross-on
on
on
cross-on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
on
cross-on
on
cross-on
cross-on
cross-on
on
High Tide
8:47AM9.57m
9:04PM9.88m
9:22AM9.64m
9:39PM9.80m
9:58AM9.49m
Low Tide
2:40AM0.49m
2:50PM0.49m
3:09AM0.42m
3:20PM0.49m
3:39AM0.52m
3:52PM0.66m
clear
clear
clear
clear
rain showers
light rain
thunderstorm
thunderstorm
thunderstorm
clear
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
clear
part cloud
clear
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:22
6:24
6:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:05
8:02
8:00
 mm
1
5
2
4
2
Temp °C
16
16
16
18
20
17
17
16
16
15
15
16
16
17
16
16
16
15
15
16
17
17
17
16
Feels °C
13
13
14
15
16
13
13
12
12
10
11
11
11
12
12
14
14
13
13
13
13
13
15
14
  • 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 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Llantwit Major surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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