Llantwit Major Surf Break

Lat Long: 51.39° N 3.50° W

Llantwit Major 48 hour detailed Surf Forecast

Issued: 6 am 22 Sep 2026 (local time)

Forecast update in  hr  min

Today's Llantwit Major sea temperature is
18.7°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 (22 Sep):

  • Morning surf: Morning surf (22 Sep, local time) - 1.5ft (0.4m), 8s period with W swell.
  • Afternoon surf: Afternoon surf (22 Sep, local time) - 1.5ft (0.5m), 11s period with W swell.
  • Evening surf: Evening surf (22 Sep, local time) - 2ft (0.6m), 11s period with W swell.

The current surf forecast for Llantwit Major at 1PM is: 0.4m 9s primary swell from a West direction (forecast issued at 06:00am September 22). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (22 Sep)1.5ft (0.4m)8s
Afternoon (22 Sep)1.5ft (0.5m)11s
Evening (22 Sep)2ft (0.6m)11s

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


Short Range Forecast

Mostly dry. Warm (max 22°C on Thu afternoon, min 11°C on Wed night). Wind will be generally light.

Tuesday
22
Wednesday
23
Thursday
24
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
1
0
1
1
1
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)
0.3
W
7
0.3
W
7
0.4
W
8
0.4
W
9
0.5
W
11
0.6
W
11
0.6
W
11
0.6
W
11
0.7
W
11
0.5
W
14
0.5
W
14
0.6
W
13
0.6
W
13
0.7
W
13
0.7
W
13
0.6
W
12
0.6
W
12
0.5
W
12
0.5
W
11
0.3
W
8
0.3
W
11
0.3
W
8
0.3
W
7
Wave Graph
Metric surfscale
Energy kJ
10
10
18
26
65
93
89
86
112
106
101
130
123
163
153
100
98
67
62
12
21
10
9
Wind (km/h)
5
W
5
WNW
10
W
10
W
10
W
10
WNW
5
WNW
5
W
10
W
10
W
20
W
20
WNW
20
NW
10
NW
15
E
15
E
15
E
15
E
15
ESE
10
SE
15
SSE
15
S
10
S
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-on
cross-on
cross-on
High Tide
4:25AM6.35m
4:53PM6.84m
5:20AM7.03m
5:39PM7.59m
6:00AM7.77m
6:17PM8.35m
Low Tide
10:40AM3.24m
11:16PM2.84m
11:34AM2.58m
00:00AM2.14m
12:14PM1.90m
clear
part cloud
part cloud
part cloud
clear
part cloud
part cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:58
7:00
7:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:13
7:10
7:08
 mm
Temp °C
17
17
17
18
19
18
19
18
18
18
18
18
19
17
15
13
12
11
13
18
22
20
18
Feels °C
17
17
17
18
19
18
19
18
17
18
16
15
17
15
13
10
9
8
10
17
20
19
17
  • 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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