Llantwit Major surf break

Llantwit Major surfForecast / Wales – South East / UK

information circle12 Day Weather and Surf, issued 11 pm Sunday 07 Dec 2025 GMT
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
10.2° C
(Which is 1.4°C colder than average for this time of year)


Best Forecast Surf Conditions for Llantwit Major this week:

The surf forecast for Llantwit Major over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Dec 15) at 12AM. The primary swell is predicted to be 3.5m and 14s period. The wind is predicted to be onshore as the swell arrives.

The most powerful waves expected at Llantwit Major in the next 12 days are 3.5m 14s and forecast to arrive on Monday (Dec 15) at 12AM. Winds are predicted to be onshore at the time the swell arrives.

Wave TypeTime (GMT) & Date Wave Height & Period
Next good surf (1 star+)12AM (Mon 15th Dec)11ft (3.5m) 14s
Best Surf12AM (Mon 15th Dec)11ft (3.5m) 14s
Most Powerful12AM (Mon 15th Dec)11ft (3.5m) 14s

Table - best surf conditions forecast for Llantwit Major over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Moderate rain (total 16mm), heaviest on Mon night. Very mild (max 14°C on Mon night, min 10°C on Tue night). Mainly strong winds.

Days 3-6 Weather Summary Light rain (total 6mm), mostly falling on Fri morning. Very mild (max 11°C on Thu night, min 7°C on Wed night). Wind will be generally light.

Monday
08
Tuesday
09
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sun
14
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
1
0
2
0
1
2
1
1
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1
WSW
1.5
WSW
1.6
WSW
2
WSW
1.7
WSW
2.1
WSW
1.8
WSW
1
WSW
0.9
WSW
0.8
WSW
1.3
WSW
1.2
WSW
1.9
WSW
1.5
WSW
1.1
WSW
2.1
WSW
2.1
WSW
2.5
WSW
2.2
WSW
2.2
WSW
2.3
SW
Period(s) (?)121112171614131212151312141413171615131213
Wave
Graph
(?)Metric surfscale
Energy kJ (?)30354073022761341182211973342403085994611403769444243720282612151414541676
Wind
(km/h)
25
SW
25
SW
25
SSW
30
S
45
S
35
WSW
25
SW
25
SW
25
WSW
15
SW
15
SSE
25
SSE
25
SSE
30
S
15
WSW
15
WSW
15
SW
20
SW
25
SSW
35
S
40
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
onononcross-
on
cross-
on
onononcross-
on
oncrosscross-
on
crosscross-
on
ononononcross-
on
cross-
on
cross-
on
High Tide
/ height (m)
8:41AM
9.69
9:06PM
9.10
9:29AM
9.20
9:56PM
8.51
10:19AM
8.61
10:48PM
7.88
11:13AM
8.00
11:46PM
7.34
12:14PM
7.47
12:50AM
6.98
1:21PM
7.14
1:59AM
6.88
2:28PM
7.06
Low Tide
/ height (m)
2:23AM
0.78
2:53PM
0.79
3:11AM
1.18
3:45PM
1.24
4:02AM
1.64
4:39PM
1.74
4:56AM
2.12
5:36PM
2.20
5:55AM
2.54
6:37PM
2.55
6:59AM
2.81
7:40PM
2.74
8:05AM
2.90
Monday
08
Tuesday
09
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sun
14
Sunrise-8:03--8:06--8:07--8:07--8:08--8:10--8:11-
Sunset--4:06--4:05--4:05--4:05--4:05--4:05--4:05
light rain
cloud
light rain
mod rain
light rain
rain showers
clear
clear
clear
clear
part cloud
cloud
light rain
light rain
part cloud
part cloud
part cloud
clear
part cloud
part cloud
rain showers
Rain (mm)
1-11031------15------6
Temp. °C12121214141311111191010111110991091011
Feels °C (?)677566556455757655424
  • 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 12 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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