Llantwit Major Surf Break

Lat Long: 51.39° N 3.50° W

Llantwit Major 48 hour detailed Surf Forecast

Issued: 12 am 18 Jul 2026 (local time)

Forecast update in  hr  min

Today's Llantwit Major sea temperature is
19.9° C
4.5° 

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 (18 Jul):

  • Morning surf: Morning surf (18 Jul, local time) - 0.5ft (0.2m), 4s period with WNW swell.
  • Afternoon surf: Afternoon surf (18 Jul, local time) - 0.5ft (0.1m), 8s period with W swell.
  • Evening surf: Evening surf (18 Jul, local time) - 1.5ft (0.4m), 4s period with WNW swell.

The current surf forecast for Llantwit Major at 9AM is: 0.2m 4s primary swell from a West-northwest direction and 0.1m 8s secondary swell from a West direction (forecast issued at 12:00am July 18). The wind direction is predicted to be cross-offshore.

Time (BST) & DateWave HeightWave Period
Morning (18 Jul)0.5ft (0.2m)4s
Afternoon (18 Jul)0.5ft (0.1m)8s
Evening (18 Jul)1.5ft (0.4m)4s

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


Short Range Forecast

Mostly dry. Warm (max 23°C on Sat afternoon, min 13°C on Sat night). Wind will be generally light.

Saturday
18
Sunday
19
Monday
20
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)
0.4
NW
4
0.2
WNW
4
0.2
WNW
4
0.1
W
8
0.1
W
8
0.1
W
8
0.4
NW
3
0.4
WNW
4
0.4
NW
4
0.3
NW
4
0.1
W
8
0.1
W
8
0.1
W
7
0.1
W
7
0.1
W
7
0.4
NW
3
0.4
NW
4
0.3
WNW
4
0.1
W
9
0.1
W
12
0.1
W
11
0.1
W
11
0.1
W
11
0.1
W
11
Wave Graph
Metric surfscale
Energy kJ
3
1
1
1
1
1
2
7
5
3
1
1
1
1
1
2
3
3
2
3
2
2
2
2
Wind (km/h)
5
NW
10
NNE
10
E
5
ESE
10
WSW
20
W
20
NNW
25
ENE
20
ENE
20
ENE
15
ENE
10
E
10
SW
20
W
20
WNW
15
NW
15
NE
15
NE
10
ENE
5
ESE
10
WSW
20
W
15
W
10
NW
Wind State
cross
off
cross-off
cross-off
cross-on
cross-on
cross-off
off
cross-off
cross-off
off
cross-off
on
cross-on
cross-on
cross
off
off
cross-off
glassy
cross-on
cross-on
cross-on
cross
High Tide
10:16AM9.34m
10:37PM9.54m
11:00AM8.88m
11:20PM8.96m
11:44AM8.32m
Low Tide
4:11AM0.50m
4:25PM0.78m
4:53AM0.86m
5:06PM1.17m
5:34AM1.34m
5:48PM1.67m
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
clear
part cloud
cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:16
5:18
5:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:21
9:20
9:19
 mm
Temp °C
19
17
15
18
21
21
23
20
17
14
13
16
19
19
21
19
19
16
15
18
21
22
22
21
Feels °C
18
16
13
17
19
18
19
15
12
10
10
13
17
15
17
17
16
12
12
16
18
18
19
19
  • 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 

FREE! Surf-Forecast.com widget for your website

The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Llantwit Major surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.


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