Llantwit Major surf break

Llantwit Major surfForecast / Wales – South East / UK

information circle12 Day Weather and Surf, issued 5 pm Thursday 01 Jan 2026 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
8.2° C
(Which is 2.1°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 Wednesday (Jan 07) at 12AM. The primary swell is predicted to be 1.0m and 5s period with a secondary swell of 0.1m and 10s. Another secondary swell of 0.1m and 14s is also forecast. 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 1.0m 6s and forecast to arrive on Thursday (Jan 08) at 12AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.2m 2s period and expected on Monday (Jan 05) at 3PM.

Wave TypeTime (GMT) & Date Wave Height & Period
Next good surf (1 star+)12AM (Wed 7th Jan)3.5ft (1.0m) 5s
Best Surf12AM (Wed 7th Jan)3.5ft (1.0m) 5s
Most Powerful12AM (Thu 8th Jan)3.5ft (1.0m) 6s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Mostly dry. Mild temperatures (max 7°C on Thu afternoon, min 1°C on Fri night). Mainly fresh winds.

Days 3-6 Weather Summary A dusting of new snow. Mild temperatures (max 5°C on Tue afternoon, min 1°C on Tue night). Wind will be generally light.

Thu
01
Friday
02
Saturday
03
Sunday
04
Monday
05
Tuesday
06
Wednesday
07
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
1
Swell
Height Map
Wave Height (m) & direction (?)
0.9
WNW
0.9
WNW
0.9
WNW
1.1
NW
1
NW
0.9
NW
0.6
NW
0.6
WNW
0.5
WNW
0.7
WNW
0.9
WNW
0.6
WNW
0.2
W
0.4
WNW
0.3
WNW
0.3
WNW
1
WNW
0.8
WNW
0.8
WNW
1
W
0.8
W
Period(s) (?)5566665555551154456567
Wave
Graph
(?)Metric surfscale
Energy kJ (?)484247726147221817253921108444941338156
Wind
(km/h)
30
NW
20
WNW
25
NW
30
NW
20
NW
20
NW
25
NNW
20
NW
15
WNW
25
NW
20
NW
10
NNW
10
NW
10
NW
10
NNW
15
WNW
5
E
20
NNW
15
NNW
15
NW
5
NNW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrosscross-
off
cross-
off
crosscross-
off
crosscrosscrosscrosscross-
off
crosscrosscross-
off
crosscross-
off
cross-
off
cross-
off
crosscross-
off
High Tide
/ height (m)
4:49PM
8.64
5:17AM
8.94
5:44PM
9.11
6:09AM
9.45
6:35PM
9.46
6:58AM
9.81
7:22PM
9.63
7:44AM
9.96
8:08PM
9.58
8:29AM
9.88
8:52PM
9.34
9:12AM
9.57
9:35PM
8.93
9:55AM
9.09
Low Tide
/ height (m)
10:58PM
1.48
11:29AM
1.22
11:55PM
1.10
12:25PM
0.81
12:47AM
0.80
1:16PM
0.54
1:34AM
0.64
2:02PM
0.45
2:18AM
0.64
2:46PM
0.56
3:00AM
0.81
3:28PM
0.84
3:41AM
1.14
Thu
01
Friday
02
Saturday
03
Sunday
04
Monday
05
Tuesday
06
Wednesday
07
Sunrise--8:18--8:18--8:18--8:18--8:18--8:17--8:17
Sunset4:15--4:15--4:16--4:19--4:20--4:21--4:22--
clear
part cloud
clear
clear
part cloud
clear
part cloud
clear
part cloud
part cloud
part cloud
clear
part cloud
part cloud
cloud
cloud
snow showers
clear
clear
cloud
part cloud
Rain (mm)
---------------------
Temp. °C764534422433333543434
Feels °C (?)00-4-3-5-3-4-4-3-4-3-1-2-2-1-1-3-3-1-31
  • Map Icons:
  • Break
  • 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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