Llantwit Major surf break

Llantwit Major surfForecast / Wales – South East / UK

information circle16 Day Weather and Surf, issued 12 pm Saturday 11 Apr 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
10.1° C
(Which is slightly warmer than usual)

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 Monday (Apr 13) at 7AM. The primary swell is predicted to be 0.9m and 12s period with a secondary swell of 0.4m and 12s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Llantwit Major in the next 16 days are 3.0m 13s and forecast to arrive on Sunday (Apr 12) at 1AM. Winds are predicted to be onshore at the time the swell arrives.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+) 7AM (Mon 13th Apr)3ft (0.9m) 12s
Best Surf 7AM (Mon 13th Apr)3ft (0.9m) 12s
Most Powerful 1AM (Sun 12th Apr)10ft (3.0m) 13s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast Moderate rain (total 10mm), heaviest on Sat morning. Very mild (max 10°C on Mon morning, min 5°C on Sun night). Winds decreasing (strong winds from the SW on Sat night, calm by Mon night).

Days 3-6 Weather Summary Light rain (total 4mm), mostly falling on Wed afternoon. Very mild (max 14°C on Wed morning, min 8°C on Tue morning). Wind will be generally light.

Saturday
11
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
1
0
0
1
0
0
0
0
0
0
0
0
2
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.9
WSW
3
WSW
3
WSW
2.4
W
1.8
W
1.1
W
0.8
W
0.8
W
0.4
WSW
0.5
W
0.4
WSW
0.4
WSW
0.9
WSW
1.4
WSW
1.3
WSW
2.3
WSW
2.2
WSW
1.6
W
1.2
W
1
W
0.8
W
Period(s) (?)111013161413111110998131011151514131211
Wave
Graph
(?)Metric surfscale
Energy kJ (?)846165033442789129738015714332432622227400454218619481004468284149
Wind
(km/h)
35
WSW
45
SW
50
SW
35
WSW
25
W
10
S
15
SE
15
W
5
SW
15
ESE
25
SSE
15
SE
20
S
25
WSW
25
SW
25
SW
20
WSW
5
SSE
20
SSE
20
SSW
20
SW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
onononcross-
on
cross-
on
cross-
on
crosscross-
on
glasscross-
off
crosscrosscross-
on
onononcross-
on
cross-
on
cross-
on
cross-
on
on
High Tide
/ height (m)
2:11PM
6.12
3:00AM
6.39
3:46PM
6.43
4:18AM
6.94
4:50PM
7.13
5:12AM
7.73
5:37PM
7.96
5:56AM
8.56
6:19PM
8.78
6:37AM
9.34
6:59PM
9.50
7:18AM
9.94
7:39PM
10.02
Low Tide
/ height (m)
8:36PM
3.56
9:34AM
3.32
10:05PM
3.16
10:44AM
2.72
11:04PM
2.51
11:33AM
1.99
11:49PM
1.79
12:13PM
1.26
12:28AM
1.11
12:50PM
0.64
1:06AM
0.53
1:26PM
0.19
1:43AM
0.13
Saturday
11
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Sunrise6:28--6:26--6:24--6:20--6:18--6:16--6:15--
Sunset-8:01--8:04--8:06--8:07--8:08--8:10--8:12-
rain showers
thunderstorm
rain showers
rain showers
clear
clear
rain showers
rain showers
clear
clear
cloud
cloud
light rain
rain showers
part cloud
part cloud
clear
part cloud
light rain
light rain
part cloud
Rain (mm)
1232--11----13----12-
Temp. °C8989971010812911141210131310121510
Feels °C (?)-1-1-212466663910757888107
  • Map Icons:
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  • 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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