Llantwit Major Surf Break

Lat Long: 51.39° N 3.50° W

Llantwit Major 48 hour detailed Surf Forecast

Issued: 12 pm 09 Sep 2026 (local time)

Forecast update in  hr  min

Today's Llantwit Major sea temperature is
19.6°C
3.6° 

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 Sep):

  • Morning surf: Morning surf (09 Sep, local time) - 3.5ft (1.1m), 7s period with W swell.
  • Afternoon surf: Afternoon surf (09 Sep, local time) - 2.5ft (0.7m), 7s period with W swell.
  • Evening surf: Evening surf (09 Sep, local time) - 2ft (0.6m), 8s period with W swell.

The current surf forecast for Llantwit Major at 5PM is: 0.6m 7s primary swell from a West direction and 0.4m 8s secondary swell from a West-southwest direction (forecast issued at 12:00pm September 09). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (09 Sep)3.5ft (1.1m)7s
Afternoon (09 Sep)2.5ft (0.7m)7s
Evening (09 Sep)2ft (0.6m)8s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Thu afternoon. Very mild (max 18°C on Thu morning, min 12°C on Wed night). Wind will be generally light.

Wed
9
Thursday
10
Friday
11
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
Swell
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
W
7
0.9
W
8
0.7
W
7
0.6
W
7
0.6
W
8
0.5
W
8
0.5
W
8
0.4
W
8
0.4
WSW
8
0.3
WSW
8
0.7
WSW
5
1.1
W
7
1.4
W
8
1.3
W
9
1.1
W
9
1
W
9
1
W
10
0.9
W
9
0.8
W
9
0.7
W
9
0.7
W
9
Wave Graph
Metric surfscale
Energy kJ
108
103
44
31
46
31
31
18
19
11
29
120
245
263
212
171
183
142
103
78
76
Wind (km/h)
20
NW
20
WNW
15
WNW
15
W
15
W
10
W
5
S
10
SSW
20
SSW
20
SW
25
SW
25
SW
20
WSW
20
WSW
15
W
10
WNW
15
WNW
15
WNW
20
W
15
W
10
W
Wind State
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
6:21PM9.04m
6:46AM9.10m
7:06PM9.68m
7:28AM9.61m
7:46PM10.08m
Low Tide
12:22PM1.51m
00:49AM0.99m
1:05PM0.89m
1:29AM0.48m
1:42PM0.46m
cloud
cloud
cloud
clear
clear
clear
cloud
part cloud
part cloud
cloud
cloud
light rain
rain showers
clear
part cloud
clear
clear
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:37
6:39
6:41
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:43
7:40
7:38
 mm
1
1
Temp °C
15
16
16
15
14
13
12
13
15
18
18
16
17
17
17
17
17
17
17
16
15
Feels °C
11
12
12
12
11
11
10
11
12
14
14
12
14
14
16
16
15
14
14
14
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 

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