Llantwit Major surf break

Llantwit Major surfForecast / Wales – South East / UK

information circle12 Day Weather and Surf, issued 6 am Friday 11 Jul 2025 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
17.9° C
(Which is 2.8°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 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Jul 15) at 7PM. The primary swell is predicted to be 1.6m and 9s 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 1.6m 9s and forecast to arrive on Tuesday (Jul 15) 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+) 7PM (Tue 15th Jul)5ft (1.6m) 9s
Best Surf 7PM (Tue 15th Jul)5ft (1.6m) 9s
Most Powerful 4PM (Tue 15th Jul)5ft (1.6m) 9s

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

Updates in  hr  min  s Forecast update imminent
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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 (?)
0.2
W
0.2
W
0.3
W
0.3
W
0.3
W
0.3
W
0.4
W
0.4
W
0.5
W
0.5
W
1
W
1.1
W
1.4
W
1.6
W
1.5
W
1.2
W
1
W
0.7
W
0.6
WSW
0.6
W
0.6
W
0.5
W
0.5
W
0.4
WSW
0.7
W
0.6
W
0.5
W
0.6
W
1.1
SW
1.1
WSW
1.4
WSW
1.7
W
1.3
W
1
W
1
W
1.1
WSW
Period(s) (?)999888889868998788101010999888889101010989
Wave
Graph
(?)Metric surfscale
Energy (?)661412121221223944641353114223091521225872676541392555433850188193363632326165148211
Wind
(km/h)
5
SE
10
WNW
5
W
15
E
5
SW
10
ESE
20
E
0
WSW
15
W
20
W
30
W
25
WSW
20
WSW
20
W
20
S
20
SW
25
WSW
25
SW
25
WNW
30
W
10
WNW
10
SW
20
WNW
15
S
30
W
25
W
15
S
20
S
30
SW
10
WSW
30
WSW
30
W
25
SW
20
SW
30
SW
30
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glasscross-
on
glasscross-
off
glasscross-
off
cross-
off
glasscross-
on
cross-
on
cross-
on
oncross-
on
cross-
on
cross-
on
oncross-
on
oncrosscross-
on
cross-
on
oncrosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
oncross-
on
oncross-
on
onononon
High Tide
/ height (m)
8:11PM
8.86
8:30AM
8.76
8:49PM
9.15
9:09AM
8.94
9:29PM
9.31
9:49AM
9.00
10:09PM
9.33
10:31AM
8.92
10:51PM
9.19
11:15AM
8.72
11:36PM
8.90
12:02PM
8.41
12:27AM
8.50
12:57PM
8.04
1:26AM
8.07
2:01PM
7.73
2:35AM
7.74
3:14PM
7.60
3:51AM
7.68
4:28PM
7.78
5:03AM
7.92
5:34PM
8.19
Low Tide
/ height (m)
2:03PM
1.51
2:27AM
1.35
2:40PM
1.27
3:04AM
1.13
3:16PM
1.11
3:41AM
1.01
3:52PM
1.06
4:19AM
1.00
4:31PM
1.13
4:59AM
1.11
5:13PM
1.31
5:43AM
1.33
6:00PM
1.58
6:33AM
1.64
6:55PM
1.91
7:31AM
1.99
8:00PM
2.21
8:39AM
2.26
9:16PM
2.36
9:56AM
2.34
10:37PM
2.25
11:14AM
2.17
11:52PM
1.91
Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Sunrise5:09--5:09--5:11--5:13--5:13--5:15--5:16--5:16--5:18--5:20--5:20--5:22--
Sunset-9:28--9:27--9:25--9:24--9:23--9:22--9:22--9:21--9:20--9:19--9:17--9:15-
clearclearclearclearclearclearclearpart cloudpart cloudrain showersclearpart cloudrain showerscloudcloudcloudcloudpart cloudpart cloudclearpart cloudpart cloudcloudrain showerspart cloudclearpart cloudcloudlight rainheavy rainrain showersclearclearlight rainrain showerscloud
Rain (mm)
---------1--1----------2----2172--11-
Temp. °C252725252923232620181716181717232219161614181817181917221916181816182016
Feels °C (?)262626242923222617151112131415201918111112161618131515181512131312151612

Short Range Forecast: Mostly dry. Warm (max 29°C on Sat afternoon, min 16°C on Sun night). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Mon morning. Warm (max 23°C on Wed morning, min 15°C on Mon night). Winds decreasing (fresh winds from the W on Mon afternoon, light winds from the SW by Tue afternoon).

Days 6-9 Weather Summary Light rain (total 2mm), mostly falling on Fri night. Very mild (max 19°C on Sat afternoon, min 14°C on Thu night). Mainly fresh winds.

Long Range Forecast: Heavy rain (total 23mm), heaviest during Sun night. Warm (max 22°C on Sun morning, min 15°C on Sun night). Winds increasing (light winds from the NNW on Sun night, fresh winds from the W by Wed morning).

  • 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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