Llantwit Major Surf Break

Lat Long: 51.39° N 3.50° W

Llantwit Major 48 hour detailed Surf Forecast

Issued: 6 pm 29 Sep 2026 (local time)

Forecast update in  hr  min

Today's Llantwit Major sea temperature is
18.1°C
2.8° 

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 (30 Sep):

  • Morning surf: Morning surf (30 Sep, local time) - 2.5ft (0.7m), 11s period with WSW swell.
  • Afternoon surf: Afternoon surf (30 Sep, local time) - 3ft (0.9m), 10s period with WSW swell.
  • Evening surf: Evening surf (30 Sep, local time) - 3.5ft (1.0m), 10s period with WSW swell.

The current surf forecast for Llantwit Major at 2AM is: 0.4m 11s primary swell from a West-southwest direction and 0.1m 9s secondary swell from a West direction, 0.7m 4s secondary swell from a South direction (forecast issued at 06:00pm September 29). The wind direction is predicted to be cross-shore.

Time (BST) & DateWave HeightWave Period
Morning (30 Sep)2.5ft (0.7m)11s
Afternoon (30 Sep)3ft (0.9m)10s
Evening (30 Sep)3.5ft (1.0m)10s

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


Short Range Forecast

Moderate rain (total 15mm), heaviest on Tue night. Warm (max 21°C on Tue afternoon, min 13°C on Wed night). Winds decreasing (fresh winds from the SE on Tue afternoon, light winds from the WSW by Wed night).

Tue
29
Wednesday
30
Thursday
1
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
SSE
4
0.6
SSE
4
0.6
SSE
4
0.8
SSE
4
0.7
WSW
12
0.6
WSW
12
0.7
WSW
11
0.7
WSW
11
0.9
WSW
10
1
WSW
10
1
WSW
10
1
WSW
11
1
W
11
0.9
WSW
11
1.1
W
13
1.1
W
13
1.1
W
13
1.1
W
13
1
W
13
Wave Graph
Metric surfscale
Energy kJ
25
12
10
22
127
91
111
121
184
227
231
249
238
191
440
440
427
414
329
Wind (km/h)
40
SE
25
SE
25
S
35
SSE
30
SSW
15
SSW
25
SSW
30
SSW
25
SSW
20
SSW
15
SW
15
SW
15
SW
15
WSW
15
WSW
15
W
20
W
15
WSW
15
SSW
Wind State
cross
cross
cross-on
cross-on
on
on
cross-on
cross-on
cross-on
on
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
High Tide
9:15PM10.02m
9:35AM9.79m
9:55PM9.61m
10:16AM9.31m
Low Tide
2:53PM0.22m
3:12AM0.34m
3:28PM0.47m
3:48AM0.75m
4:08PM0.94m
cloud
rain showers
cloud
light rain
light rain
light rain
clear
clear
cloud
light rain
part cloud
rain showers
rain showers
clear
clear
clear
part cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
—
7:11
—
—
—
—
—
—
—
7:13
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:57
—
—
—
—
—
—
—
6:54
—
—
—
—
—
—
—
6:52
—
—
 mm
—
1
—
1
5
5
—
—
—
1
—
1
1
—
—
—
—
—
—
Temp °C
21
20
19
18
18
15
17
19
18
16
14
13
13
13
14
16
16
15
15
Feels °C
16
17
16
13
14
13
14
13
13
13
12
11
11
11
11
13
12
12
12
  • 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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