Llantwit Major Surf Break

Lat Long: 51.39° N 3.50° W

Llantwit Major 48 hour detailed Surf Forecast

Issued: 6 am 31 Aug 2026 (local time)

Forecast update in  hr  min

Today's Llantwit Major sea temperature is
20.4°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 (31 Aug):

  • Morning surf: Morning surf (31 Aug, local time) - 5ft (1.5m), 9s period with W swell.
  • Afternoon surf: Afternoon surf (31 Aug, local time) - 5ft (1.5m), 10s period with W swell.
  • Evening surf: Evening surf (31 Aug, local time) - 4ft (1.2m), 10s period with W swell.

The current surf forecast for Llantwit Major at 9AM is: 1.5m 9s primary swell from a West direction (forecast issued at 06:00am August 31). The wind direction is predicted to be cross-shore.

Time (BST) & DateWave HeightWave Period
Morning (31 Aug)5ft (1.5m)9s
Afternoon (31 Aug)5ft (1.5m)10s
Evening (31 Aug)4ft (1.2m)10s

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


Short Range Forecast

Some drizzle, heaviest during Wed afternoon. Very mild (max 19°C on Wed morning, min 15°C on Mon morning). Mainly fresh winds.

Monday
31
Tuesday
1
Wednesday
2
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)
1.5
W
9
1.5
W
9
1.6
W
10
1.5
W
10
1.5
W
10
1.4
W
10
1.2
W
10
1
W
10
0.9
W
10
0.8
W
9
0.7
W
9
0.6
W
9
0.7
W
9
0.7
W
9
0.5
W
5
0.5
W
5
0.5
W
5
0.5
W
6
0.6
W
6
0.7
W
6
1.1
W
7
1.2
W
7
1.1
W
7
Wave Graph
Metric surfscale
Energy kJ
348
367
453
432
424
369
268
186
148
106
78
56
74
71
12
12
13
18
26
35
113
155
134
Wind (km/h)
30
W
35
WNW
25
WNW
30
WNW
25
WNW
25
W
15
WNW
15
WSW
15
WSW
15
WSW
20
WSW
20
W
25
W
20
W
15
WSW
15
WSW
20
SW
20
SW
20
SW
20
SW
30
WSW
30
WSW
30
WSW
Wind State
cross-on
cross-on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
cross-on
High Tide
9:22AM9.64m
9:39PM9.80m
9:58AM9.49m
10:17PM9.49m
10:37AM9.12m
Low Tide
3:09AM0.42m
3:20PM0.49m
3:39AM0.52m
3:52PM0.66m
4:12AM0.82m
4:28PM1.02m
clear
cloud
cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
cloud
part cloud
clear
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
rain showers
cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:24
6:24
6:26
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:02
8:00
7:59
 mm
1
Temp °C
15
15
15
16
16
16
16
15
15
15
16
18
18
17
16
16
16
16
18
19
19
18
18
Feels °C
10
9
11
11
11
11
13
13
13
13
13
15
14
14
14
14
13
14
15
16
15
14
15
  • 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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