Llantwit Major Surf Break

Lat Long: 51.39° N 3.50° W

Llantwit Major Surf Forecast and Surf Report

Issued: 12 pm 21 Oct 2026 (local time)

Forecast update in  hr  min

Today's Llantwit Major sea temperature is
16.3°C
2.2° 

Llantwit Major surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Llantwit Major surf forecast from 21 Oct 2026:

  • Best quality surf: Friday 23 Oct, 4AM (local time) - 2.5ft (0.7m), 11s period, WSW swell with cross-offshore winds.
  • Most powerful swell: Tuesday 27 Oct, 9PM (local time) - 7.5ft (2.3m), 14s period, W swell with 2,185 kJ wave energy.
  • Next surfable swell (1★+): Friday 23 Oct, 4AM (local time) - 2.5ft (0.7m), 11s period with WSW swell.

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 Friday (Oct 23) at 4AM. The primary swell is predicted to be 0.7m and 11s period with a secondary swell of 0.2m and 3s. Another secondary swell of 0.4m and 3s 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 16 days are 2.3m 14s and forecast to arrive on Tuesday (Oct 27) at 9PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Friday (Oct 23) at 7AM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+) 4AM (Fri 23rd Oct)2.5ft (0.7m) 11s
Best Surf 4AM (Fri 23rd Oct)2.5ft (0.7m) 11s
Most Powerful 9PM (Tue 27th Oct)7.5ft (2.3m) 14s

Table - best surf conditions forecast for Llantwit Major over the next 16 days.


Short Range Forecast

Heavy rain (total 31mm), heaviest during Thu night. Very mild (max 14°C on Thu afternoon, min 9°C on Fri morning). Winds increasing (light winds from the S on Thu afternoon, gales from the NW by Fri morning).

Days 4-6 Weather Summary

Heavy rain (total 26mm), heaviest during Mon night. Very mild (max 17°C on Mon afternoon, min 11°C on Sat morning). Winds decreasing (near gales from the W on Sat night, light winds from the WSW by Sun night).

Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sunday
25
Monday
26
Tuesday
27
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.5
W
9
3
W
9
1.5
W
8
1.4
W
8
1.3
W
10
0.8
W
11
2.1
WNW
16
3
W
9
2.2
W
8
1.3
W
7
1.3
W
8
2.5
W
11
3
W
9
2.4
W
12
1.5
W
12
1.1
WSW
12
1.3
WSW
11
1.8
WSW
10
1.6
WSW
12
1.9
WSW
14
1.3
WSW
14
Wave Graph
Metric surfscale
Energy kJ
1210
1336
298
252
333
149
2134
1726
671
181
208
1736
1330
1546
628
343
380
663
625
1491
694
Wind (km/h)
45
WNW
50
W
30
W
20
W
15
S
25
SSE
65
NW
55
WNW
40
WNW
25
WSW
45
SSW
50
W
45
WNW
35
WNW
20
SSW
30
WSW
30
SW
35
SSW
30
WSW
40
W
20
WNW
Wind State
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross
on
on
on
on
cross-on
cross-on
cross-on
High Tide
4:01PM6.82m
4:33AM6.97m
4:54PM7.52m
5:19AM7.73m
5:37PM8.27m
5:59AM8.50m
6:16PM8.99m
6:37AM9.19m
6:55PM9.59m
7:16AM9.73m
7:35PM10.00m
7:55AM10.05m
8:15PM10.14m
Low Tide
10:26PM2.80m
10:46AM2.63m
11:14PM2.15m
11:30AM1.98m
11:53PM1.49m
12:08PM1.34m
00:28AM0.91m
12:44PM0.79m
1:03AM0.47m
1:19PM0.38m
1:38AM0.21m
1:55PM0.17m
2:14AM0.18m
rain showers
rain showers
rain showers
part cloud
part cloud
rain showers
mod rain
part cloud
part cloud
light rain
mod rain
rain showers
clear
clear
light rain
cloud
cloud
mod rain
light rain
rain showers
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
7:47
—
—
7:48
—
—
7:50
—
—
7:52
—
—
6:52
—
—
7:54
—
—
7:56
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
6:08
—
—
6:07
—
—
6:05
—
—
6:02
—
—
5:00
—
—
5:59
—
—
5:57
—
 mm
1
1
6
—
—
17
6
—
—
2
8
8
—
—
1
—
—
7
4
1
—
Temp °C
11
12
12
13
14
13
9
10
11
12
16
16
12
13
11
16
17
17
13
13
12
Feels °C
0
1
6
8
10
8
-4
-3
4
6
10
9
4
6
8
11
13
11
7
5
6
  • 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 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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