Llantwit Major Surf Break

Lat Long: 51.39° N 3.50° W

Llantwit Major 48 hour detailed Surf Forecast

Issued: 6 am 09 Jul 2026 (local time)

Forecast update in  hr  min

Today's Llantwit Major sea temperature is
19.1° C
4.2° 

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 (09 Jul):

  • Morning surf: Morning surf (09 Jul, local time) - 1ft (0.3m), 10s period with W swell.
  • Afternoon surf: Afternoon surf (09 Jul, local time) - 1ft (0.3m), 9s period with W swell.
  • Evening surf: Evening surf (09 Jul, local time) - 1ft (0.3m), 9s period with W swell.

The current surf forecast for Llantwit Major at 12PM is: 0.3m 10s primary swell from a West direction and 0.2m 4s secondary swell from a West direction (forecast issued at 06:00am July 09). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (09 Jul)1ft (0.3m)10s
Afternoon (09 Jul)1ft (0.3m)9s
Evening (09 Jul)1ft (0.3m)9s

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


Short Range Forecast

Mostly dry. Warm (max 31°C on Fri afternoon, min 15°C on Sat night). Winds increasing (calm on Thu night, fresh winds from the ENE by Sat night).

Thursday
9
Friday
10
Saturday
11
Sun
12
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
1 AM
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
Height Map
Wave
Height (m)
Direction
Period (s)
0.4
W
10
0.3
W
10
0.3
W
10
0.3
W
10
0.3
W
9
0.3
W
9
0.3
W
9
0.3
W
9
0.3
W
9
0.4
W
9
0.4
W
9
0.5
W
9
0.5
W
9
0.5
W
9
0.4
W
8
0.4
W
8
0.4
W
8
0.4
W
8
0.3
W
7
0.2
W
8
0.3
W
8
0.2
W
8
0.2
W
8
0.2
W
8
Wave Graph
Metric surfscale
Energy kJ
29
16
16
16
16
15
15
15
16
27
26
40
39
37
22
21
20
21
8
5
12
5
5
5
Wind (km/h)
10
WNW
10
WNW
5
W
10
W
15
W
15
W
10
W
5
W
5
E
10
E
15
E
10
ESE
5
NNW
15
W
10
SW
10
ESE
15
E
20
ENE
25
ENE
20
ENE
20
ENE
20
ENE
35
ENE
30
ENE
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
glassy
cross-off
cross-off
cross-off
cross-off
glassy
cross-on
on
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
cross-off
High Tide
1:42AM7.77m
2:19PM7.55m
2:52AM7.68m
3:31PM7.64m
4:06AM7.84m
4:42PM8.00m
Low Tide
7:48AM2.15m
8:17PM2.31m
8:55AM2.21m
9:29PM2.25m
10:08AM2.10m
10:44PM1.98m
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
clear
clear
clear
clear
clear
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:07
5:07
5:09
5:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:29
9:29
9:28
9:27
 mm
Temp °C
16
16
19
22
24
24
22
21
20
19
22
27
31
31
28
26
23
20
23
28
31
31
25
18
Feels °C
15
15
19
20
21
22
21
22
20
18
21
26
31
30
28
25
20
16
19
25
27
27
19
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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