Llantwit Major Surf Break

Lat Long: 51.39° N 3.50° W

Llantwit Major 48 hour detailed Surf Forecast

Issued: 6 pm 15 Sep 2026 (local time)

Forecast update in  hr  min

Today's Llantwit Major sea temperature is
18.9°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 (16 Sep):

  • Morning surf: Morning surf (16 Sep, local time) - 4ft (1.2m), 10s period with W swell.
  • Afternoon surf: Afternoon surf (16 Sep, local time) - 3.5ft (1.1m), 10s period with W swell.
  • Evening surf: Evening surf (16 Sep, local time) - 3ft (0.9m), 6s period with W swell.

The current surf forecast for Llantwit Major at 1AM is: 1.0m 7s primary swell from a West direction (forecast issued at 06:00pm September 15). The wind direction is predicted to be cross-shore.

Time (BST) & DateWave HeightWave Period
Morning (16 Sep)4ft (1.2m)10s
Afternoon (16 Sep)3.5ft (1.1m)10s
Evening (16 Sep)3ft (0.9m)6s

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


Short Range Forecast

Light rain (total 2mm), mostly falling on Wed night. Very mild (max 17°C on Fri morning, min 13°C on Tue night). Winds increasing (light winds from the NW on Tue night, fresh winds from the WSW by Wed night).

Tue
15
Wednesday
16
Thursday
17
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.4
W
7
1.2
W
7
1.1
W
7
1
W
7
1
W
8
1.1
W
9
1.2
W
10
1.1
W
10
1
W
10
0.6
W
10
0.5
W
10
0.5
W
10
1.2
W
6
1.4
W
7
1.5
W
7
1.5
W
7
1.5
W
7
1.4
W
7
1.3
W
7
Wave Graph
Metric surfscale
Energy kJ
179
131
113
99
138
211
271
242
208
75
52
52
106
179
235
243
236
194
158
Wind (km/h)
35
W
25
WNW
20
WNW
15
NW
20
NW
15
NW
20
NW
20
WNW
25
WNW
25
W
25
WSW
35
WSW
35
WSW
35
WSW
25
WNW
35
W
30
W
30
W
25
WNW
Wind State
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross-on
cross-on
cross-on
on
cross-on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
10:09PM9.03m
10:25AM8.68m
10:43PM8.32m
10:59AM8.00m
Low Tide
3:50PM0.88m
4:06AM1.21m
4:22PM1.42m
4:38AM1.82m
4:57PM2.07m
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
light rain
rain showers
part cloud
cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:48
6:50
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:29
7:27
7:24
 mm
1
1
Temp °C
16
16
15
14
13
13
14
15
16
15
15
15
15
15
16
16
15
15
15
Feels °C
10
12
12
11
10
10
10
11
11
10
11
9
9
9
11
9
9
9
10
  • 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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