Llantwit Major Surf Break

Lat Long: 51.39° N 3.50° W

Llantwit Major 48 hour detailed Surf Forecast

Issued: 6 am 19 Jul 2026 (local time)

Forecast update in  hr  min

Today's Llantwit Major sea temperature is
20.5° C
5.0° 

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 (19 Jul):

  • Morning surf: Morning surf (19 Jul, local time) - 0.5ft (0.1m), 8s period with W swell.
  • Afternoon surf: Afternoon surf (19 Jul, local time) - 0.5ft (0.1m), 7s period with W swell.
  • Evening surf: Evening surf (19 Jul, local time) - 0.5ft (0.1m), 7s period with W swell.

The current surf forecast for Llantwit Major at 1PM is: 0.1m 7s primary swell from a West direction and 0.1m 4s secondary swell from a Northwest direction (forecast issued at 06:00am July 19). The wind direction is predicted to be glassy.

Time (BST) & DateWave HeightWave Period
Morning (19 Jul)0.5ft (0.1m)8s
Afternoon (19 Jul)0.5ft (0.1m)7s
Evening (19 Jul)0.5ft (0.1m)7s

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


Short Range Forecast

Mostly dry. Warm (max 24°C on Tue afternoon, min 14°C on Sun night). Wind will be generally light.

Sunday
19
Monday
20
Tuesday
21
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)
0.3
NW
4
0.2
WNW
4
0.1
W
8
0.1
W
7
0.1
W
7
0.1
W
7
0.1
W
7
0.1
W
7
0.1
W
9
0.1
W
9
0.1
W
12
0.1
W
11
0.1
W
11
0.1
W
11
0.1
W
11
0.4
NW
4
0.3
NW
4
0.1
W
11
0.1
W
11
0.1
W
10
0.1
W
10
0.2
W
10
0.2
W
10
Wave Graph
Metric surfscale
Energy kJ
3
2
1
1
1
1
1
1
2
2
3
2
2
2
2
5
3
2
2
2
2
8
8
Wind (km/h)
15
ENE
15
E
15
ESE
5
ESE
10
W
15
W
15
NW
25
ENE
15
ENE
15
ENE
10
E
5
SW
15
W
20
WNW
15
WNW
10
NNE
15
ENE
15
ENE
15
E
5
S
15
W
20
W
15
WNW
Wind State
cross-off
cross-off
cross-off
glassy
cross-on
cross-on
cross-off
off
cross-off
cross-off
cross-off
glassy
cross-on
cross
cross
cross-off
off
cross-off
cross-off
glassy
cross-on
cross-on
cross
High Tide
11:00AM8.88m
11:20PM8.96m
11:44AM8.32m
00:05AM8.28m
12:30PM7.73m
Low Tide
4:53AM0.86m
5:06PM1.17m
5:34AM1.34m
5:48PM1.67m
6:16AM1.89m
6:34PM2.20m
part cloud
cloud
clear
part cloud
part cloud
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:18
5:20
5:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:20
9:19
9:17
 mm
Temp °C
16
15
17
20
21
22
21
18
15
14
18
22
22
23
20
19
15
14
18
23
24
24
23
Feels °C
13
12
14
19
19
19
18
12
11
11
16
20
18
20
18
17
12
11
15
22
21
20
21
  • 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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