Llantwit Major Surf Break

Lat Long: 51.39° N 3.50° W

Llantwit Major 48 hour detailed Surf Forecast

Issued: 12 am 03 Sep 2026 (local time)

Forecast update in  hr  min

Today's Llantwit Major sea temperature is
20.2°C
4.0° 

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 (03 Sep):

  • Morning surf: Morning surf (03 Sep, local time) - 3.5ft (1.1m), 8s period with W swell.
  • Afternoon surf: Afternoon surf (03 Sep, local time) - 3.5ft (1.1m), 8s period with W swell.
  • Evening surf: Evening surf (03 Sep, local time) - 3.5ft (1.1m), 8s period with W swell.

The current surf forecast for Llantwit Major at 6AM is: 1.1m 8s primary swell from a West direction (forecast issued at 12:00am September 03). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (03 Sep)3.5ft (1.1m)8s
Afternoon (03 Sep)3.5ft (1.1m)8s
Evening (03 Sep)3.5ft (1.1m)8s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Thu night. Warm (max 20°C on Thu morning, min 13°C on Fri night). Winds decreasing (strong winds from the WSW on Thu night, light winds from the WNW by Sat afternoon).

Thursday
3
Friday
4
Saturday
5
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)
1.1
W
7
1.1
W
7
1.1
W
8
1.1
W
8
1.1
W
8
1.2
W
8
1.1
W
8
1.1
W
8
1.1
WSW
7
1.8
WSW
6
1.8
W
8
1.5
W
8
1.5
W
8
1.5
W
8
1.4
W
8
1.2
W
7
1.1
W
7
1
W
7
0.9
W
7
0.7
W
7
0.6
W
7
0.4
WSW
10
0.6
W
10
0.5
W
10
Wave Graph
Metric surfscale
Energy kJ
134
131
135
135
138
164
142
138
136
273
371
284
282
282
240
146
116
93
76
43
31
31
68
49
Wind (km/h)
35
WSW
25
WSW
25
WSW
30
WSW
30
W
35
WSW
30
WSW
30
SW
45
SW
50
WSW
25
W
30
WNW
35
W
35
W
30
W
25
W
20
WNW
15
NW
10
NW
10
WNW
10
WNW
10
WNW
5
WNW
5
ESE
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross-on
cross-on
cross
cross-on
glassy
High Tide
10:58PM8.97m
11:20AM8.57m
11:45PM8.29m
12:12PM7.90m
00:45AM7.56m
1:22PM7.29m
Low Tide
4:50AM1.29m
5:10PM1.54m
5:36AM1.90m
6:04PM2.17m
6:38AM2.55m
7:22PM2.74m
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
light rain
rain showers
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:28
6:30
6:31
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:57
7:53
7:52
 mm
1
1
Temp °C
18
18
18
19
20
19
18
18
20
19
16
17
17
17
16
16
15
14
13
14
15
16
16
16
Feels °C
14
15
15
16
17
15
15
14
14
12
12
12
10
11
10
12
12
12
12
13
13
14
15
15
  • 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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