Llantwit Major surf break

Llantwit Major surfForecast / Wales – South East / UK

information circle12 Day Weather and Surf, issued 11 am Thursday 20 Nov 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
12.5° C
(Which is normal 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 Wednesday (Nov 26) at 6AM. The primary swell is predicted to be 0.5m and 11s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Llantwit Major in the next 12 days are 3.5m 10s and forecast to arrive on Sunday (Nov 23) at 3PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 4s period and expected on Tuesday (Nov 25) at 12PM.

Wave TypeTime (GMT) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Wed 26th Nov)1.5ft (0.5m) 11s
Best Surf 6AM (Wed 26th Nov)1.5ft (0.5m) 11s
Most Powerful 3PM (Sun 23rd Nov)11ft (3.5m) 10s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Light rain (total 6mm), mostly falling on Fri night. Very mild (max 11°C on Sat morning, min 4°C on Thu morning). Winds increasing (calm on Fri morning, strong winds from the SSW by Fri night).

Days 3-6 Weather Summary Light rain (total 7mm), mostly falling on Sun night. Very mild (max 10°C on Sun morning, min 6°C on Mon night). Winds decreasing (near gales from the W on Sun afternoon, light winds from the NNW by Tue night).

Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
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
Wave Height (m) & direction (?)
0.8
WNW
0.7
WNW
0.3
WSW
0.3
WSW
0.3
WSW
0.3
WSW
1.3
WSW
0.8
W
0.7
W
2.3
W
3.5
W
3
W
2.2
W
1.8
WNW
1.2
NW
0.9
NW
0.6
WNW
0.4
WSW
0.4
WSW
0.4
W
0.3
WSW
Period(s) (?)661110101377781099876612111010
Wave
Graph
(?)Metric surfscale
Energy kJ (?)402923212035181615174922291331794457139542145373018
Wind
(km/h)
15
NNW
20
NNW
15
NNW
5
NNW
10
W
30
SW
30
SSW
15
WNW
20
SSW
40
W
50
W
50
WNW
35
NNW
35
NNW
25
NNW
25
N
25
N
15
N
5
NW
15
W
30
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
cross-
off
cross-
off
cross-
off
cross-
on
ononcross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
on
on
High Tide
/ height (m)
6:39PM
8.80
6:55AM
8.91
7:12PM
8.79
7:28AM
8.88
7:46PM
8.66
8:02AM
8.74
8:21PM
8.43
8:38AM
8.50
8:57PM
8.12
9:16AM
8.19
9:38PM
7.77
9:59AM
7.86
10:24PM
7.43
Low Tide
/ height (m)
12:26PM
1.27
12:40AM
1.28
12:58PM
1.22
1:12AM
1.31
1:31PM
1.31
1:44AM
1.45
2:04PM
1.50
2:17AM
1.67
2:39PM
1.77
2:52AM
1.94
3:17PM
2.07
3:31AM
2.23
4:02PM
2.36
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Sunrise7:39--7:39--7:41--7:43--7:45--7:47--7:48--
Sunset-4:19--4:17--4:16--4:15--4:15--4:14--4:13-
clear
clear
clear
clear
part cloud
light rain
rain showers
cloud
rain showers
clear
part cloud
rain showers
cloud
cloud
part cloud
part cloud
clear
part cloud
part cloud
cloud
cloud
Rain (mm)
-----32-1--7---------
Temp. °C66567811101110999879987811
Feels °C (?)-10-133-17641-2-20-10232444
  • 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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