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Llantwit Major Surf Forecast
/ Wales – South East (14 surf breaks) /
Surf Forecasts:
Llantwit Major surfForecast / Wales – South East / UK
48hr Weather and Surf, issued 12 am Monday 11 May 2026 BSTForecast 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
12.3° C
(Which is 1.3°C warmer than normal for this time of year)How big are the waves at Llantwit Major today?
The current surf forecast for Llantwit Major at 9AM is: 0.4m 4s primary swell from a Northwest direction and 0.1m 10s secondary swell from a West direction (forecast issued at 12:00am May 11). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 May) | 1.5ft (0.4m) | 4s |
| Afternoon (11 May) | 2ft (0.6m) | 4s |
| Evening (11 May) | 1.5ft (0.5m) | 4s |
Table - waves today at Llantwit Major. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Mon morning. Very mild (max 12°C on Mon morning, min 7°C on Sun night). Winds increasing (light winds from the NNW on Sun night, strong winds from the W by Tue night). | ||||||||||||||||||||||||
Monday 11 | Tuesday 12 | Wednesday 13 | ||||||||||||||||||||||
1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
W 10 | NW 5 | NW 4 | NW 3 | NW 4 | NW 4 | WNW 4 | WNW 4 | WNW 5 | WNW 4 | WNW 4 | WNW 4 | WNW 3 | WNW 4 | WNW 4 | W 4 | W 4 | W 5 | W 6 | W 6 | WNW 7 | W 7 | W 7 | W 7 | |
2 | 3 | 3 | 5 | 12 | 13 | 12 | 12 | 13 | 8 | 4 | 3 | 3 | 11 | 17 | 9 | 8 | 36 | 75 | 146 | 299 | 255 | 226 | 163 | |
Wind (km/h) | ||||||||||||||||||||||||
off | cross-off | cross | cross | cross | cross-off | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross | |
High Tide | 2:07AM6.88m | 2:48PM6.78m | 3:20AM7.21m | 3:57PM7.28m | 4:22AM7.79m | 4:53PM7.97m | ||||||||||||||||||
Low Tide | 8:35AM2.91m | 9:02PM2.89m | 9:41AM2.50m | 10:05PM2.43m | 10:37AM1.94m | |||||||||||||||||||
 | |  |  |  |  | |  |  | | | | | | | | | | | | | | | | |
 | — | 5:28 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:52 | — | — | — | — | — | — | — | 8:52 | — | — | — | — | — | — | — | 8:54 | — |
— | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 8 | 7 | 8 | 11 | 12 | 8 | 10 | 9 | 8 | 7 | 7 | 10 | 11 | 12 | 12 | 11 | 9 | 9 | 10 | 10 | 10 | 11 | 11 | 9 |
4 | 4 | 4 | 6 | 6 | 4 | 8 | 7 | 4 | 2 | 3 | 5 | 5 | 6 | 7 | 6 | 3 | 1 | 1 | 1 | 1 | 3 | 4 | 3 | |
Swell 1 Height (m) Direction Period (s) | — | NW 5 | W 10 | W 10 | W 10 | W 10 | WNW 4 | WNW 4 | WNW 5 | WNW 4 | WNW 4 | W 9 | W 9 | W 9 | W 8 | W 8 | W 12 | W 12 | — | — | — | W 16 | W 16 | — |
 kJ | — | 3 | 2 | 2 | 2 | 2 | 12 | 12 | 13 | 8 | 4 | 2 | 2 | 1 | 1 | 1 | 3 | 3 | — | — | — | 5 | 5 | — |
Swell 2 Height (m) Direction Period (s) | W 10 | — | — | — | — | — | W 9 | W 9 | W 9 | W 9 | W 9 | — | — | — | — | W 18 | — | — | — | — | — | — | — | — |
| kJ | 2 | — | — | — | — | — | 2 | 2 | 2 | 2 | 2 | — | — | — | — | 6 | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | W 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | NW 4 | NW 3 | NW 4 | NW 4 | — | — | — | — | — | WNW 4 | WNW 3 | WNW 4 | WNW 4 | W 4 | W 4 | W 5 | W 6 | W 6 | WNW 7 | W 7 | W 7 | W 7 |
| kJ | — | — | 3 | 5 | 12 | 13 | — | — | — | — | — | 3 | 3 | 11 | 17 | 9 | 8 | 36 | 75 | 146 | 299 | 255 | 226 | 163 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 64 | 100 | 107 | 385 | 139 | 426 | 426 | 136 | 271 | 263 | 191 | 367 | 383 | 379 | 430 | 379 | 336 | 395 | 789 | 800 | 999 | 1145 | 886 | 497 |
Best forecast wave conditions in Wales - South East | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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