Llantwit Major Surf Break

Lat Long: 51.39° N 3.50° W

Llantwit Major 48 hour detailed Surf Forecast

Issued: 12 am 09 Aug 2026 (local time)

Forecast update in  hr  min

Today's Llantwit Major sea temperature is
20.7° C
4.5° 

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 (09 Aug):

  • Morning surf: Morning surf (09 Aug, local time) - 0.5ft (0.1m), 9s period with W swell.
  • Afternoon surf: Afternoon surf (09 Aug, local time) - 0.5ft (0.1m), 8s period with W swell.
  • Evening surf: Evening surf (09 Aug, local time) - 1.5ft (0.4m), 3s period with WNW swell.

The current surf forecast for Llantwit Major at 3AM is: 0.1m 9s primary swell from a West direction and 0.1m 7s secondary swell from a West direction (forecast issued at 12:00am August 09). The wind direction is predicted to be glassy.

Time (BST) & DateWave HeightWave Period
Morning (09 Aug)0.5ft (0.1m)9s
Afternoon (09 Aug)0.5ft (0.1m)8s
Evening (09 Aug)1.5ft (0.4m)3s

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


Short Range Forecast

Mostly dry. Warm (max 28°C on Tue afternoon, min 14°C on Mon night). Wind will be generally light.

Sunday
9
Monday
10
Tuesday
11
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)
0.1
W
9
0.1
W
9
0.1
W
9
0.1
W
8
0.1
W
8
0.1
W
8
0.5
W
3
0.4
WNW
3
0.3
WNW
3
0.3
W
4
0.5
W
5
0.6
W
6
0.5
W
6
0.4
W
5
0.3
W
5
0.3
W
5
0.2
W
5
0.2
W
5
0.2
W
8
0.2
W
8
0.2
W
8
0.2
W
8
0.2
W
8
0.2
W
8
Wave Graph
Metric surfscale
Energy kJ
2
2
1
1
1
1
5
4
2
3
12
21
15
9
5
4
2
2
5
5
5
5
4
4
Wind (km/h)
5
WSW
5
WSW
5
NW
15
WNW
20
W
25
W
30
W
20
W
15
W
10
NW
10
NW
10
WNW
10
WSW
10
WSW
10
W
5
NW
10
ENE
20
ENE
15
E
20
ESE
15
E
15
ESE
20
SSE
10
SSE
Wind State
glassy
glassy
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross-on
on
cross-on
cross-on
cross
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
High Tide
3:49AM7.39m
4:28PM7.62m
5:05AM7.83m
5:37PM8.28m
6:07AM8.48m
6:33PM9.03m
Low Tide
9:54AM2.59m
10:43PM2.36m
11:21AM2.18m
00:00AM1.76m
12:27PM1.56m
clear
part cloud
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:48
5:50
5:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:47
8:45
8:45
 mm
Temp °C
19
17
17
20
20
20
19
17
16
16
15
17
19
20
21
20
19
16
14
18
24
28
28
23
Feels °C
18
16
15
17
17
16
15
15
15
16
15
16
17
17
18
18
16
12
11
15
21
24
23
20
  • 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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