Llantwit Major surf break

Llantwit Major surfForecast / Wales – South East / UK

information circle12 Day Weather and Surf, issued 5 pm Monday 01 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
10.6° 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 Friday (Dec 05) at 6AM. The primary swell is predicted to be 2.4m and 10s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Llantwit Major in the next 12 days are 4.0m 16s and forecast to arrive on Saturday (Dec 06) at 6PM. Winds are predicted to be cross-onshore at the time the swell arrives.

Wave TypeTime (GMT) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Fri 5th Dec)8ft (2.4m) 10s
Best Surf 6AM (Fri 5th Dec)8ft (2.4m) 10s
Most Powerful 6PM (Sat 6th Dec)13ft (4.0m) 16s

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

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Heavy rain (total 36mm), heaviest during Wed night. Very mild (max 13°C on Mon afternoon, min 7°C on Tue night). Winds increasing (light winds from the WSW on Tue afternoon, strong winds from the WNW by Wed night).

Days 3-6 Weather Summary Heavy rain (total 21mm), heaviest during Fri afternoon. Very mild (max 12°C on Fri afternoon, min 6°C on Thu night). Winds increasing (calm on Thu night, near gales from the WSW by Sat afternoon).

Mon
01
Tuesday
02
Wednesday
03
Thursday
04
Friday
05
Saturday
06
Sunday
07
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.9
WSW
1.8
W
1.4
W
1.5
W
1.4
WSW
1.6
W
1.4
WSW
0.7
W
0.9
WSW
1.6
W
2.5
W
2.1
W
1.4
W
1.7
WSW
2.5
WSW
3.5
WSW
3
W
1.9
W
2
W
2
W
1.6
W
Period(s) (?)1010121415141413121412109912161514131111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)74970651996585710187331632241063212986529048719296573435314221335951655
Wind
(km/h)
40
SSW
30
WSW
20
SW
10
S
20
SW
20
SSW
25
SSW
30
S
15
WSW
15
SW
25
SSE
15
WSW
35
SSE
40
WSW
50
WSW
50
WSW
35
WSW
20
SSE
45
W
35
WNW
15
WSW
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
oncross-
on
onononcross-
on
ononcross-
on
cross-
on
cross-
on
ononcross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
High Tide
/ height (m)
3:15PM
8.15
3:48AM
8.31
4:13PM
8.75
4:41AM
8.96
5:06PM
9.32
5:31AM
9.52
5:56PM
9.73
6:19AM
9.91
6:44PM
9.93
7:06AM
10.07
7:31PM
9.88
7:53AM
9.99
8:19PM
9.59
8:41AM
9.69
Low Tide
/ height (m)
9:26PM
1.67
9:52AM
1.60
10:21PM
1.19
10:46AM
1.08
11:12PM
0.79
11:37AM
0.64
12:01AM
0.52
12:26PM
0.37
12:48AM
0.43
1:15PM
0.30
1:35AM
0.52
2:04PM
0.45
2:23AM
0.78
Mon
01
Tuesday
02
Wednesday
03
Thursday
04
Friday
05
Saturday
06
Sunday
07
Sunrise--7:56--7:58--8:00--8:00--8:02--8:03--8:03
Sunset4:08--4:07--4:07--4:07--4:07--4:06--4:06--
heavy rain
rain showers
rain showers
light rain
part cloud
rain showers
light rain
heavy rain
rain showers
clear
part cloud
cloud
rain showers
rain showers
light rain
light rain
rain showers
light rain
part cloud
part cloud
part cloud
Rain (mm)
14213-12121---832323---
Temp. °C13109981010998710121110111111111010
Feels °C (?)625625534315640128234
  • 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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