Llantwit Major Surf Break

Lat Long: 51.39° N 3.50° W

Llantwit Major 48 hour detailed Surf Forecast

Issued: 6 pm 21 Oct 2026 (local time)

Forecast update in  hr  min

Today's Llantwit Major sea temperature is
16.3°C
2.2° 

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 (21 Oct):

  • Afternoon surf: Afternoon surf (21 Oct, local time) - 10ft (3.0m), 9s period with W swell.
  • Evening surf: Evening surf (21 Oct, local time) - 7ft (2.1m), 8s period with W swell.

The current surf forecast for Llantwit Major at 9PM is: 2.1m 8s primary swell from a West direction and 0.5m 13s secondary swell from a West direction (forecast issued at 06:00pm October 21). The wind direction is predicted to be cross-onshore.

Time (BST) & DateWave HeightWave Period
Morning (21 Oct)--
Afternoon (21 Oct)10ft (3.0m)9s
Evening (21 Oct)7ft (2.1m)8s

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


Short Range Forecast

Heavy rain (total 37mm), heaviest during Thu night. Very mild (max 14°C on Thu afternoon, min 8°C on Fri morning). Winds increasing (light winds from the S on Thu afternoon, gales from the NW by Fri morning).

Wed
21
Thursday
22
Friday
23
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
1
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)
3
W
9
2.3
W
9
1.9
W
8
2
W
8
2.2
W
9
2.2
W
9
1.9
W
9
1.6
W
10
1.3
W
10
1.1
W
11
0.9
W
11
0.8
W
11
0.8
WSW
11
1.1
WSW
16
3
WNW
7
4
W
10
3.5
W
10
3
W
10
2.5
W
9
Wave Graph
Metric surfscale
Energy kJ
1245
805
501
566
741
770
601
464
347
269
188
146
153
620
685
3037
2239
1780
1104
Wind (km/h)
45
W
35
W
30
WSW
45
W
40
WNW
30
WNW
20
WNW
15
W
15
S
30
SE
30
SSE
30
S
25
E
25
NNW
65
NW
60
WNW
55
WNW
50
WNW
45
WNW
Wind State
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross-on
cross-off
cross-off
cross
cross
cross
cross
cross
High Tide
4:01PM6.82m
4:33AM6.97m
4:54PM7.52m
5:19AM7.73m
5:37PM8.27m
Low Tide
10:26PM2.80m
10:46AM2.63m
11:14PM2.15m
11:30AM1.98m
clear
rain showers
light rain
rain showers
rain showers
clear
clear
part cloud
part cloud
cloud
light rain
rain showers
light rain
light rain
light rain
rain showers
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
—
7:48
—
—
—
—
—
—
—
7:50
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:08
—
—
—
—
—
—
—
6:07
—
—
—
—
—
—
—
6:05
—
—
 mm
—
1
1
8
2
—
—
—
—
—
4
11
1
2
1
1
—
—
—
Temp °C
12
11
11
13
12
11
11
13
14
12
13
13
12
11
8
10
10
10
11
Feels °C
2
3
5
4
4
4
6
9
10
6
7
7
7
6
-5
-3
-2
-2
1
  • 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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