Llantwit Major surf break

Llantwit Major surfForecast / Wales – South East / UK

information circle16 Day Weather and Surf, issued 6 am Wednesday 15 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
10.3° 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 Saturday (Apr 18) at 10PM. The primary swell is predicted to be 1.1m 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 16 days are 2.0m 14s and forecast to arrive on Thursday (Apr 16) at 10AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 4s period and expected on Wednesday (Apr 22) at 10AM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+)10PM (Sat 18th Apr)3.5ft (1.1m) 11s
Best Surf10PM (Sat 18th Apr)3.5ft (1.1m) 11s
Most Powerful10AM (Thu 16th Apr)6.5ft (2.0m) 14s

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 3mm), mostly falling on Wed morning. Very mild (max 14°C on Wed morning, min 9°C on Fri night). Winds decreasing (fresh winds from the WSW on Wed afternoon, light winds from the SSW by Thu afternoon).

Days 3-6 Weather Summary Mostly dry. Very mild (max 13°C on Sun afternoon, min 3°C on Mon night). Winds increasing (light winds from the NNE on Sat night, fresh winds from the E by Mon morning).

Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
1
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
0.7
WSW
1.6
WSW
1.6
WSW
2
WSW
1.7
WSW
1.3
WSW
1
W
1.5
WSW
1.2
WSW
1.2
W
1.2
W
1
W
0.7
W
0.6
W
0.5
W
0.4
WSW
0.3
W
0.3
W
0.2
WSW
0.2
W
0.1
W
Period(s) (?)9111114141312111211111010101010912101014
Wave
Graph
(?)Metric surfscale
Energy kJ (?)88575626156912065992895404043513322109670493115251084
Wind
(km/h)
35
SSW
35
WSW
30
SW
25
SW
15
W
15
S
25
SSW
25
WSW
20
WSW
20
WNW
25
W
10
NW
15
E
10
E
15
E
30
E
25
E
30
ENE
30
ENE
25
NE
25
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
onononcross-
on
cross-
on
oncross-
on
cross-
on
crosscross-
on
crosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
offoffoff
High Tide
/ height (m)
6:19PM
8.78
6:37AM
9.34
6:59PM
9.50
7:18AM
9.94
7:39PM
10.02
7:58AM
10.30
8:19PM
10.28
8:40AM
10.35
9:00PM
10.23
9:22AM
10.08
9:43PM
9.89
10:07AM
9.53
10:30PM
9.30
Low Tide
/ height (m)
12:13PM
1.26
12:28AM
1.11
12:50PM
0.64
1:06AM
0.53
1:26PM
0.19
1:43AM
0.13
2:03PM
-0.02
2:21AM
-0.02
2:41PM
0.04
3:00AM
0.09
3:20PM
0.36
3:43AM
0.48
4:03PM
0.90
Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Sunrise6:18--6:16--6:15--6:13--6:11--6:09--6:07--
Sunset-8:08--8:10--8:12--8:14--8:15--8:16--8:19-
light rain
rain showers
part cloud
part cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
Rain (mm)
21-------------------
Temp. °C1413101213111413101111101113121012910119
Feels °C (?)8547108976566798353343
  • 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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