Llantwit Major Surf Break

Lat Long: 51.39° N 3.50° W

Llantwit Major 48 hour detailed Surf Forecast

Issued: 12 am 28 Sep 2026 (local time)

Forecast update in  hr  min

Today's Llantwit Major sea temperature is
18.3°C
2.9° 

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 (28 Sep):

  • Morning surf: Morning surf (28 Sep, local time) - 2.5ft (0.8m), 11s period with W swell.
  • Afternoon surf: Afternoon surf (28 Sep, local time) - 1.5ft (0.5m), 11s period with W swell.
  • Evening surf: Evening surf (28 Sep, local time) - 2ft (0.6m), 11s period with W swell.

The current surf forecast for Llantwit Major at 5AM is: 0.8m 8s primary swell from a West direction and 0.5m 10s secondary swell from a West direction (forecast issued at 12:00am September 28). The wind direction is predicted to be glassy.

Time (BST) & DateWave HeightWave Period
Morning (28 Sep)2.5ft (0.8m)11s
Afternoon (28 Sep)1.5ft (0.5m)11s
Evening (28 Sep)2ft (0.6m)11s

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


Short Range Forecast

Light rain (total 8mm), mostly falling on Tue night. Warm (max 20°C on Tue afternoon, min 12°C on Mon night). Winds increasing (calm on Sun night, strong winds from the SSW by Wed morning).

Monday
28
Tuesday
29
Wednesday
30
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
1
1
1
1
1
1
1
1
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)
0.8
W
7
0.8
W
7
0.9
W
8
0.8
W
11
0.8
W
11
0.5
W
11
0.7
W
11
0.6
W
11
0.6
W
11
0.5
W
10
0.5
W
10
0.4
W
10
0.4
W
10
0.3
W
10
0.7
SE
4
0.9
SSE
4
0.9
SSE
4
0.3
WSW
11
0.7
WSW
11
0.4
WSW
11
1
SW
11
1.2
WSW
11
1.2
WSW
11
1.1
WSW
10
Wave Graph
Metric surfscale
Energy kJ
58
63
113
151
157
62
116
85
82
54
51
31
30
16
14
25
31
23
109
46
228
311
302
250
Wind (km/h)
10
W
5
NW
0
E
10
E
10
E
10
E
15
ENE
15
ESE
15
E
20
E
20
E
25
E
30
ESE
30
SE
30
SE
30
SE
35
SSE
35
SSE
10
SW
30
S
40
SSW
30
WSW
20
SW
15
SSW
Wind State
cross-on
glassy
glassy
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross-on
cross-on
on
cross-on
cross-on
on
on
cross-on
High Tide
8:20AM9.96m
8:37PM10.15m
8:56AM10.01m
9:15PM10.02m
9:35AM9.79m
9:55PM9.61m
Low Tide
2:08AM0.20m
2:21PM0.19m
2:39AM0.16m
2:53PM0.22m
3:12AM0.34m
3:28PM0.47m
part cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
clear
cloud
cloud
cloud
cloud
part cloud
part cloud
light rain
light rain
light rain
rain showers
cloud
clear
rain showers
rain showers
rain showers
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
7:07
—
—
—
—
—
—
—
7:09
—
—
—
—
—
—
—
7:11
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
—
—
6:59
—
—
—
—
—
—
—
6:57
—
—
—
—
—
—
—
6:54
—
—
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1
1
1
3
—
—
1
1
1
Temp °C
15
14
13
14
15
16
16
14
12
12
13
15
19
20
20
19
18
18
16
17
19
17
16
14
Feels °C
13
13
13
13
13
14
13
11
9
8
9
11
16
17
16
15
13
13
15
13
11
11
13
11
  • 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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