Llantwit Major Surf Break

Lat Long: 51.39° N 3.50° W

Llantwit Major 48 hour detailed Surf Forecast

Issued: 12 am 14 Sep 2026 (local time)

Forecast update in  hr  min

Today's Llantwit Major sea temperature is
19.1°C
3.2° 

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 (14 Sep):

  • Morning surf: Morning surf (14 Sep, local time) - 2.5ft (0.7m), 9s period with W swell.
  • Afternoon surf: Afternoon surf (14 Sep, local time) - 2.5ft (0.7m), 6s period with W swell.
  • Evening surf: Evening surf (14 Sep, local time) - 2.5ft (0.7m), 6s period with W swell.

The current surf forecast for Llantwit Major at 4AM is: 0.8m 10s primary swell from a West direction (forecast issued at 12:00am September 14). The wind direction is predicted to be onshore.

Time (BST) & DateWave HeightWave Period
Morning (14 Sep)2.5ft (0.7m)9s
Afternoon (14 Sep)2.5ft (0.7m)6s
Evening (14 Sep)2.5ft (0.7m)6s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Mon night. Warm (max 20°C on Mon afternoon, min 13°C on Tue night). Winds increasing (light winds from the SW on Sun night, fresh winds from the W by Tue morning).

Monday
14
Tuesday
15
Wednesday
16
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)
0.8
W
10
0.8
W
10
0.7
W
9
0.7
W
9
0.8
W
9
0.7
W
6
0.7
W
6
0.7
W
6
0.8
W
6
1
W
6
1.2
W
7
1.2
W
7
1.3
W
7
1.3
W
7
1.1
W
7
1
W
7
1.1
W
8
1.2
W
9
1.3
W
10
1.2
W
10
1
W
7
0.6
W
10
0.9
W
6
0.5
W
10
Wave Graph
Metric surfscale
Energy kJ
120
115
81
78
101
33
31
32
44
84
139
138
154
153
113
104
163
214
312
273
92
74
58
52
Wind (km/h)
15
WSW
15
WSW
5
SW
15
SW
25
WSW
25
W
20
WSW
20
SW
25
SW
30
WSW
30
W
35
W
30
WNW
35
W
25
W
20
WNW
20
NW
20
NW
20
NW
15
NW
20
WNW
25
WNW
20
WNW
15
WSW
Wind State
on
on
on
on
cross-on
cross-on
cross-on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
High Tide
9:18AM9.69m
9:35PM9.62m
9:52AM9.26m
10:09PM9.03m
10:25AM8.68m
Low Tide
3:06AM0.33m
3:19PM0.47m
3:36AM0.70m
3:50PM0.88m
4:06AM1.21m
4:22PM1.42m
cloud
cloud
cloud
cloud
cloud
clear
part cloud
cloud
cloud
light rain
rain showers
clear
clear
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:46
6:47
6:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:31
7:29
7:27
 mm
1
1
Temp °C
18
18
18
19
18
20
19
20
19
18
16
16
16
16
15
15
14
13
13
14
14
15
15
14
Feels °C
17
18
19
19
16
17
18
19
17
15
12
10
10
10
10
12
10
9
9
11
10
10
11
11
  • 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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