Llantwit Major Surf Break

Lat Long: 51.39° N 3.50° W

Llantwit Major 48 hour detailed Surf Forecast

Issued: 6 am 16 Jul 2026 (local time)

Forecast update in  hr  min

Today's Llantwit Major sea temperature is
19.7° C
4.3° 

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 (16 Jul):

  • Morning surf: Morning surf (16 Jul, local time) - 0.5ft (0.1m), 10s period with W swell.
  • Afternoon surf: Afternoon surf (16 Jul, local time) - 0.5ft (0.2m), 8s period with W swell.
  • Evening surf: Evening surf (16 Jul, local time) - 0.5ft (0.2m), 9s period with W swell.

The current surf forecast for Llantwit Major at 11AM is: 0.1m 10s primary swell from a West direction and 0.1m 8s secondary swell from a West direction (forecast issued at 06:00am July 16). The wind direction is predicted to be cross-offshore.

Time (BST) & DateWave HeightWave Period
Morning (16 Jul)0.5ft (0.1m)10s
Afternoon (16 Jul)0.5ft (0.2m)8s
Evening (16 Jul)0.5ft (0.2m)9s

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


Short Range Forecast

Mostly dry. Warm (max 27°C on Thu afternoon, min 12°C on Sat night). Winds increasing (calm on Fri morning, fresh winds from the ENE by Sat night).

Thursday
16
Friday
17
Saturday
18
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)
0.2
W
9
0.2
W
9
0.1
W
10
0.2
W
8
0.2
W
8
0.2
W
8
0.2
W
9
0.2
W
9
0.2
W
8
0.2
W
8
0.2
W
8
0.2
W
8
0.1
W
8
0.4
NW
3
0.3
WNW
3
0.3
NW
3
0.3
WNW
4
0.2
WNW
4
0.2
WNW
4
0.1
W
8
0.1
W
8
0.4
WNW
3
0.4
WNW
4
Wave Graph
Metric surfscale
Energy kJ
6
6
2
6
6
6
6
6
6
5
5
5
1
2
2
1
3
1
1
1
1
4
7
Wind (km/h)
20
ENE
15
ENE
20
ENE
10
E
10
WNW
15
W
0
SW
10
E
10
ENE
10
ENE
0
SSW
15
W
20
W
15
WNW
15
WNW
0
WNW
15
ENE
10
ENE
5
ESE
10
WSW
20
W
20
NNW
35
ENE
Wind State
cross-off
cross-off
cross-off
cross-off
cross
cross-on
glassy
cross-off
cross-off
cross-off
glassy
cross-on
cross-on
cross
cross-on
glassy
off
off
glassy
cross-on
cross-on
cross-off
off
High Tide
8:47AM9.71m
9:08PM10.09m
9:32AM9.63m
9:53PM9.94m
10:16AM9.34m
Low Tide
2:42AM0.38m
2:59PM0.50m
3:28AM0.33m
3:43PM0.55m
4:11AM0.50m
4:25PM0.78m
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:15
5:16
5:16
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:22
9:22
9:21
 mm
Temp °C
17
16
19
25
27
27
25
22
19
18
21
24
24
25
23
20
17
16
19
22
23
24
20
Feels °C
15
14
16
23
25
24
25
20
16
16
21
21
20
23
21
20
14
14
18
20
20
20
13
  • 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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