Llantwit Major Surf Break

Lat Long: 51.39° N 3.50° W

Llantwit Major 48 hour detailed Surf Forecast

Issued: 6 am 08 Sep 2026 (local time)

Forecast update in  hr  min

Today's Llantwit Major sea temperature is
19.2°C
3.1° 

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 (08 Sep):

  • Morning surf: Morning surf (08 Sep, local time) - 3.5ft (1.1m), 8s period with W swell.
  • Afternoon surf: Afternoon surf (08 Sep, local time) - 4.5ft (1.4m), 9s period with W swell.
  • Evening surf: Evening surf (08 Sep, local time) - 4ft (1.2m), 6s period with W swell.

The current surf forecast for Llantwit Major at 12PM is: 1.1m 9s primary swell from a West direction and 0.5m 10s secondary swell from a West direction (forecast issued at 06:00am September 08). The wind direction is predicted to be cross-shore.

Time (BST) & DateWave HeightWave Period
Morning (08 Sep)3.5ft (1.1m)8s
Afternoon (08 Sep)4.5ft (1.4m)9s
Evening (08 Sep)4ft (1.2m)6s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Tue morning. Very mild (max 19°C on Thu afternoon, min 13°C on Wed night). Winds decreasing (fresh winds from the WNW on Tue afternoon, light winds from the SW by Wed night).

Tuesday
8
Wednesday
9
Thursday
10
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
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
8
1.1
W
8
1.1
W
9
1.2
W
9
1.4
W
9
1.3
W
6
1.2
W
6
1.3
W
6
1.2
W
6
1.1
W
7
1
W
7
0.9
W
8
0.7
W
7
0.6
W
7
0.6
W
8
0.5
W
8
0.5
W
8
0.4
W
8
0.4
W
8
0.3
W
8
0.6
WSW
5
0.9
W
6
1.2
WSW
8
Wave Graph
Metric surfscale
Energy kJ
149
153
180
229
320
108
106
132
120
111
106
100
44
32
46
31
31
18
18
10
17
68
169
Wind (km/h)
25
SW
20
W
25
NW
30
WNW
35
WNW
30
WNW
30
WNW
25
NW
20
NW
20
NW
20
NW
15
WNW
20
W
20
W
10
WNW
5
SW
10
S
15
SSW
20
S
25
SSW
25
SW
25
SSW
30
SW
Wind State
on
cross-on
cross
cross
cross-on
cross
cross
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
on
cross-on
on
cross-on
on
on
on
on
High Tide
5:00AM7.66m
5:29PM8.25m
5:58AM8.41m
6:21PM9.04m
6:46AM9.10m
7:06PM9.68m
Low Tide
11:26AM2.22m
00:02AM1.68m
12:22PM1.51m
00:49AM0.99m
1:05PM0.89m
light rain
light rain
light rain
clear
clear
clear
clear
clear
part cloud
cloud
cloud
part cloud
clear
clear
clear
part cloud
cloud
part cloud
cloud
part cloud
cloud
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:35
6:37
6:39
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:45
7:43
7:40
 mm
1
3
3
1
1
Temp °C
15
15
15
16
16
16
15
14
14
14
14
15
16
15
14
13
13
13
15
18
19
16
16
Feels °C
11
13
10
10
8
10
9
9
9
10
9
11
12
11
12
12
11
10
12
14
14
12
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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