Llantwit Major Surf Break

Lat Long: 51.39° N 3.50° W

Llantwit Major 48 hour detailed Surf Forecast

Issued: 12 am 10 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 (0.7m), 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 8AM is: 0.4m 8s primary swell from a West-southwest direction and 0.1m 12s secondary swell from a West direction (forecast issued at 12:00am September 10). 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 (0.7m)6s
Evening (10 Sep)5ft (1.5m)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. Warm (max 20°C on Sat morning, min 13°C on Wed night). Winds increasing (light winds from the SSW on Wed night, fresh winds from the SW by Thu afternoon).

Thursday
10
Friday
11
Saturday
12
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)
0.5
W
8
0.5
W
8
0.4
W
8
0.4
WSW
8
0.5
WSW
5
0.9
WSW
6
1.3
W
8
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
0.8
W
9
0.7
W
9
0.6
W
8
0.6
W
8
0.6
W
8
0.7
W
8
1
W
6
1.3
W
7
1.3
W
7
1.3
W
8
Wave Graph
Metric surfscale
Energy kJ
31
31
18
19
15
62
191
302
300
226
183
148
139
103
101
76
51
49
48
64
78
148
178
187
Wind (km/h)
10
WSW
10
SSW
15
SSW
20
SSW
25
SSW
25
SW
30
SW
25
WSW
20
WSW
10
W
10
WNW
15
WNW
15
W
20
W
15
W
10
W
10
SW
20
SW
25
WSW
25
WSW
30
WSW
30
WSW
25
WSW
25
WSW
Wind State
cross-on
cross-on
cross-on
on
on
on
on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
cross-on
on
on
cross-on
High Tide
6:46AM9.10m
7:06PM9.68m
7:28AM9.61m
7:46PM10.08m
8:06AM9.89m
8:24PM10.19m
Low Tide
00:49AM0.99m
1:05PM0.89m
1:29AM0.48m
1:42PM0.46m
2:04AM0.20m
2:16PM0.24m
clear
cloud
part cloud
cloud
cloud
cloud
light rain
rain showers
clear
clear
clear
clear
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
cloud
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:39
6:41
6:43
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:40
7:38
7:36
 mm
1
1
Temp °C
14
13
13
15
17
17
16
17
17
17
16
17
18
17
16
15
15
14
15
17
20
18
18
18
Feels °C
12
11
10
11
13
13
12
14
14
16
15
15
16
14
14
14
14
12
12
13
15
14
16
16
  • 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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