Llantwit Major Surf Break

Lat Long: 51.39° N 3.50° W

Llantwit Major 48 hour detailed Surf Forecast

Issued: 12 am 17 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 (17 Jul):

  • Morning surf: Morning surf (17 Jul, local time) - 0.5ft (0.2m), 8s period with W swell.
  • Afternoon surf: Afternoon surf (17 Jul, local time) - 0.5ft (0.2m), 8s period with W swell.
  • Evening surf: Evening surf (17 Jul, local time) - 1.5ft (0.4m), 3s period with NW swell.

The current surf forecast for Llantwit Major at 8AM is: 0.2m 8s primary swell from a West direction (forecast issued at 12:00am July 17). The wind direction is predicted to be glassy.

Time (BST) & DateWave HeightWave Period
Morning (17 Jul)0.5ft (0.2m)8s
Afternoon (17 Jul)0.5ft (0.2m)8s
Evening (17 Jul)1.5ft (0.4m)3s

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


Short Range Forecast

Some drizzle, heaviest during Fri afternoon. Warm (max 25°C on Fri morning, min 12°C on Sat night). Winds increasing (calm on Fri morning, fresh winds from the ENE by Sat night).

Friday
17
Saturday
18
Sunday
19
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)
0.2
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
0.4
NW
3
0.4
NW
4
0.3
WNW
4
0.3
WNW
4
0.2
WNW
4
0.1
W
8
0.5
NW
3
0.7
WNW
4
0.6
WNW
5
0.4
NW
5
0.3
NW
4
0.1
W
8
0.1
W
8
0.1
W
7
0.1
W
7
0.1
W
7
0.3
WNW
3
Wave Graph
Metric surfscale
Energy kJ
6
6
5
5
5
1
2
3
4
3
3
1
2
5
16
15
5
3
1
1
1
1
1
2
Wind (km/h)
10
E
10
E
5
E
0
WSW
15
W
25
W
10
NW
15
WNW
5
NNW
5
NE
5
NE
5
SW
15
W
25
WNW
25
NNE
30
ENE
25
ENE
15
ENE
15
NE
15
NE
5
E
15
W
15
WSW
10
NNW
Wind State
cross-off
cross-off
cross-off
glassy
cross-on
cross-on
cross
cross
glassy
glassy
off
glassy
cross-on
cross
cross-off
off
cross-off
off
off
off
glassy
cross-on
cross-on
cross-off
High Tide
9:32AM9.63m
9:53PM9.94m
10:16AM9.34m
10:37PM9.54m
11:00AM8.88m
Low Tide
3:28AM0.33m
3:43PM0.55m
4:11AM0.50m
4:25PM0.78m
4:53AM0.86m
5:06PM1.17m
clear
clear
clear
clear
clear
part cloud
rain showers
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:16
5:16
5:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:22
9:21
9:20
 mm
1
Temp °C
21
19
18
21
25
24
25
21
19
17
16
18
21
23
21
17
15
13
12
15
20
20
21
21
Feels °C
19
17
17
21
22
19
23
18
18
16
15
17
18
18
17
12
11
10
9
11
17
16
18
18
  • 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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