Llantwit Major Surf Break

Lat Long: 51.39° N 3.50° W

Llantwit Major 48 hour detailed Surf Forecast

Issued: 6 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 (10 Sep):

  • Morning surf: Morning surf (10 Sep, local time) - 1.5ft (0.4m), 8s period with WSW swell.
  • Afternoon surf: Afternoon surf (10 Sep, local time) - 2.5ft (0.8m), 6s period with WSW swell.
  • Evening surf: Evening surf (10 Sep, local time) - 5ft (1.5m), 8s period with W swell.

The current surf forecast for Llantwit Major at 12AM is: 0.6m 8s primary swell from a West direction and 0.1m 13s secondary swell from a West direction, 0.4m 7s secondary swell from a West direction (forecast issued at 06:00pm September 09). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (10 Sep)1.5ft (0.4m)8s
Afternoon (10 Sep)2.5ft (0.8m)6s
Evening (10 Sep)5ft (1.5m)8s

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


Short Range Forecast

Some drizzle, heaviest during Thu night. Warm (max 20°C on Sat morning, min 13°C on Wed night). Wind will be generally light.

Wed
9
Thursday
10
Friday
11
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)
0.7
W
7
0.6
W
7
0.6
W
8
0.5
W
8
0.5
W
8
0.4
WSW
8
0.4
WSW
8
0.5
WSW
5
0.9
WSW
6
1.3
W
7
1.5
W
8
1.3
W
9
1.1
W
10
1
W
10
0.9
W
10
0.9
W
9
0.8
W
9
0.7
W
9
0.7
W
9
Wave Graph
Metric surfscale
Energy kJ
44
31
46
31
31
19
19
14
68
186
309
300
221
183
148
139
103
78
76
Wind (km/h)
15
WNW
15
W
15
W
10
WSW
10
SSW
15
SSW
25
SSW
25
SSW
25
SW
30
SW
20
W
20
WSW
15
WSW
10
WNW
10
WNW
15
W
20
W
15
W
10
W
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
cross-on
on
cross-on
cross-on
cross
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
00:49AM0.99m
1:05PM0.89m
1:29AM0.48m
1:42PM0.46m
cloud
part cloud
cloud
clear
cloud
part cloud
part cloud
cloud
cloud
cloud
rain showers
clear
part cloud
clear
clear
clear
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
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
Temp °C
16
16
15
14
13
13
15
17
17
16
17
17
17
16
17
17
17
16
15
Feels °C
12
13
12
12
11
10
11
13
13
12
14
14
15
15
15
15
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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