Llantwit Major Surf Break

Lat Long: 51.39° N 3.50° W

Llantwit Major 48 hour detailed Surf Forecast

Issued: 12 pm 20 Oct 2026 (local time)

Forecast update in  hr  min

Today's Llantwit Major sea temperature is
16.3°C
2.1° 

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 (20 Oct):

  • Morning surf: Morning surf (20 Oct, local time) - 1.5ft (0.4m), 13s period with WSW swell.
  • Afternoon surf: Afternoon surf (20 Oct, local time) - 1.5ft (0.5m), 12s period with W swell.
  • Evening surf: Evening surf (20 Oct, local time) - 1.5ft (0.4m), 12s period with WSW swell.

The current surf forecast for Llantwit Major at 3PM is: 0.5m 12s primary swell from a West direction and 0.2m 9s secondary swell from a West direction (forecast issued at 12:00pm October 20). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (20 Oct)1.5ft (0.4m)13s
Afternoon (20 Oct)1.5ft (0.5m)12s
Evening (20 Oct)1.5ft (0.4m)12s

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


Short Range Forecast

Heavy rain (total 60mm), heaviest during Thu night. Very mild (max 14°C on Thu night, min 8°C on Wed morning). Winds increasing (calm on Tue afternoon, near gales from the WNW by Wed morning).

Tue
20
Wednesday
21
Thursday
22
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
1
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
Wave
Height (m)
Direction
Period (s)
0.4
WSW
12
0.5
W
12
0.5
W
12
0.4
WSW
12
0.4
WSW
12
0.4
WSW
8
0.7
WSW
8
2.3
W
9
3.5
W
12
4
W
11
3.5
W
10
3
W
10
2
W
9
1.6
W
8
1.6
W
8
1.5
W
10
1.4
W
10
1.4
W
10
1.2
W
10
1
W
11
0.9
W
11
Wave Graph
Metric surfscale
Energy kJ
50
73
73
48
47
21
58
874
3384
3181
2267
1446
623
364
339
426
379
394
302
223
188
Wind (km/h)
5
NNE
10
WNW
5
WNW
5
S
15
S
20
S
15
SW
50
W
60
WNW
60
WNW
50
WNW
40
W
30
WSW
30
W
25
WNW
25
W
20
W
20
SW
20
SSE
25
SSE
35
SSE
Wind State
off
cross
cross
glassy
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross
High Tide
2:43PM6.36m
3:30AM6.35m
4:01PM6.82m
4:33AM6.97m
4:54PM7.52m
Low Tide
8:24AM3.57m
9:19PM3.33m
9:48AM3.21m
10:26PM2.80m
10:46AM2.63m
mod rain
light rain
cloud
clear
part cloud
light rain
light rain
light rain
light rain
light rain
rain showers
part cloud
light rain
light rain
rain showers
part cloud
part cloud
cloud
light rain
light rain
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:45
—
—
—
—
—
—
7:47
—
—
—
—
—
—
—
7:48
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
6:10
—
—
—
—
—
—
—
6:08
—
—
—
—
—
—
—
6:07
—
—
 mm
6
3
—
—
—
1
4
1
1
2
1
—
1
2
1
—
—
—
1
3
3
Temp °C
9
10
10
11
10
11
12
10
8
9
11
12
11
12
11
11
12
13
13
13
13
Feels °C
7
8
8
9
6
7
9
0
-4
-3
-1
3
5
6
5
6
8
9
9
8
6
  • 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
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