Llantwit Major surf break

Llantwit Major surfForecast / Wales – South East / UK

information circle16 Day Weather and Surf, issued 6 pm Sunday 10 May 2026 BST
Forecast update in hr  min  s Forecast update imminent
Llantwit Major surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Llantwit Major sea temperature is
12.3° C
(Which is 1.3°C warmer than normal for this time of year)

Best Forecast Surf Conditions for Llantwit Major this week:

The surf forecast for Llantwit Major over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (May 17) at 10PM. The primary swell is predicted to be 0.7m and 12s period with a secondary swell of 0.4m and 5s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Llantwit Major in the next 16 days are 1.6m 7s and forecast to arrive on Wednesday (May 13) at 4PM. Winds are predicted to be cross-onshore at the time the swell arrives.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+)10PM (Sun 17th May)2.5ft (0.7m) 12s
Best Surf10PM (Sun 17th May)2.5ft (0.7m) 12s
Most Powerful 4PM (Wed 13th May)5ft (1.6m) 7s

Table - best surf conditions forecast for Llantwit Major over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 2mm), mostly falling on Mon morning. Very mild (max 13°C on Sun afternoon, min 7°C on Sun night). Winds increasing (calm on Mon afternoon, strong winds from the WNW by Wed morning).

Days 5-7 Weather Summary

Light rain (total 4mm), mostly falling on Thu morning. Very mild (max 14°C on Sat morning, min 7°C on Wed night). Winds decreasing (fresh winds from the WNW on Wed afternoon, light winds from the WSW by Fri night).

Sun
10
Monday
11
Tuesday
12
Wednesday
13
Thursday
14
Friday
15
Saturday
16
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
Rating
(10 max)
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
Wave
Height (m)
Direction
Period (s)
0.1
W
11
0.1
W
10
0.4
NW
3
0.6
NW
4
0.4
WNW
5
0.1
W
9
0.6
W
4
0.4
WNW
4
1.2
W
6
1.6
W
7
1.2
W
7
1.3
WNW
7
1.2
WNW
7
0.9
WNW
6
0.6
WNW
6
0.6
W
5
0.2
W
9
0.4
W
6
0.6
W
6
0.4
W
5
0.4
WSW
13
Wave Graph
Metric surfscale
Energy kJ
2
2
3
12
8
2
9
5
92
233
146
171
121
48
25
21
6
12
25
9
53
Wind (km/h)
25
NE
10
ENE
25
NW
5
SE
5
NW
20
W
25
WNW
25
W
40
WNW
40
WNW
25
NW
25
NNW
30
NW
15
NW
15
NW
20
WNW
10
W
5
SSW
15
W
5
W
5
SSE
off
off
cross
glassy
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross-off
cross-off
cross-off
cross
cross
cross-on
on
cross-on
glassy
cross
High Tide
2:07AM6.88m
2:48PM6.78m
3:20AM7.21m
3:57PM7.28m
4:22AM7.79m
4:53PM7.97m
5:15AM8.48m
5:42PM8.70m
6:03AM9.15m
6:28PM9.35m
6:50AM9.68m
7:13PM9.83m
7:36AM10.00m
Low Tide
7:47PM3.12m
8:35AM2.91m
9:02PM2.89m
9:41AM2.50m
10:05PM2.43m
10:37AM1.94m
10:58PM1.85m
11:25AM1.36m
11:46PM1.25m
12:11PM0.84m
00:31AM0.73m
12:55PM0.47m
1:16AM0.37m
part cloud
clear
rain showers
part cloud
part cloud
part cloud
part cloud
rain showers
part cloud
part cloud
clear
rain showers
rain showers
cloud
cloud
part cloud
cloud
cloud
clear
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:28
5:28
5:26
5:24
5:22
5:22
5:20
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
8:50
8:52
8:52
8:54
8:55
8:58
8:59
9:00
1
1
2
2
Temp °C
13
10
12
12
10
12
13
10
10
11
9
12
12
9
10
10
11
14
14
12
14
9
7
6
10
7
6
8
5
1
2
4
5
5
4
6
6
10
12
11
10
12
Swell 1
Height (m)
Direction
Period (s)
0.1
W
11
0.1
W
10
0.1
W
10
0.1
W
10
0.4
WNW
5
0.1
W
9
0.1
W
9
0.1
W
8
0.1
W
16
1.2
W
7
1.3
WNW
7
0.9
WNW
6
0.4
WNW
6
0.3
W
5
0.4
W
6
0.4
W
5
0.6
W
6
Energy kJ
2
2
2
2
8
2
1
1
5
146
171
48
11
5
12
9
22
Swell 2
Height (m)
Direction
Period (s)
0.1
W
9
0.1
W
12
0.2
W
9
0.1
W
9
0.1
W
14
0.4
WSW
13
Energy kJ
2
3
6
2
4
53
Swell 3
Height (m)
Direction
Period (s)
0.1
W
8
0.1
W
8
Energy kJ
1
1
Wind waves
Height (m)
Direction
Period (s)
0.6
NE
4
0.4
NW
3
0.6
NW
4
0.2
WNW
4
0.6
W
4
0.4
WNW
4
1.2
W
6
1.6
W
7
1.2
WNW
7
0.6
WNW
6
0.6
W
5
0.6
W
6
Energy kJ
8
3
12
2
9
5
92
233
121
25
21
25
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
393
152
396
356
263
382
374
336
1137
410
133
1201
358
194
197
191
191
191
197
108
17
Best forecast wave conditions in Wales - South East
Rating
(10 max)
1
Best forecast wave conditions in United Kingdom
Rating
(10 max)
2
1
1
2
3
2
1
4
2
3
2
2
2
1
2
2
3
4
Header Global
Rating
(10 max)
6
5
4
5
9
8
9
9
7
9
5
5
6
5
4
5
4
5
4
5
4
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Llantwit Major Surf forecast

The above surf forecast table for Llantwit Major provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Llantwit Major can be found by selecting the local surf guide option on the grey menu. Our Llantwit Major surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Llantwit Major) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Llantwit Major may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Llantwit Major is 8 km (5 miles) from the city of Nash Point. If you plan a holiday in Wales - South East, look for hotels and other accommodation in Nash Point. Nash Point has rooms for a wide range of budgets as well as car hire and transport links.

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