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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 6 am Wednesday 13 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 1.2°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 12PM is: 2.1m 7s primary swell from a West-northwest direction (forecast issued at 06:00am May 13). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 May) | 6ft (1.8m) | 7s |
| Afternoon (13 May) | 6.5ft (2.0m) | 7s |
| Evening (13 May) | 5ft (1.5m) | 8s |
Table - waves today at Llantwit Major. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 5mm), mostly falling on Thu morning. Very mild (max 12°C on Wed afternoon, min 7°C on Thu night). Winds decreasing (strong winds from the NW on Wed morning, calm by Fri night). | ||||||||||||||||||||||||
Wednesday 13 | Thursday 14 | Friday 15 | Sat 16 | |||||||||||||||||||||
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 | 1 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
W 6 | W 7 | WNW 7 | WNW 7 | WNW 7 | W 8 | W 7 | W 7 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | WNW 6 | W 6 | W 7 | W 6 | W 6 | WNW 5 | WNW 5 | NW 5 | |
132 | 226 | 362 | 456 | 405 | 329 | 215 | 166 | 192 | 198 | 217 | 204 | 170 | 110 | 101 | 62 | 48 | 32 | 33 | 29 | 23 | 33 | 32 | 11 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-off | cross | cross | cross-off | |
High Tide | 4:22AM7.79m | 4:53PM7.97m | 5:15AM8.48m | 5:42PM8.70m | 6:03AM9.15m | 6:28PM9.35m | ||||||||||||||||||
Low Tide | 10:37AM1.94m | 10:58PM1.85m | 11:25AM1.36m | 11:46PM1.25m | 12:11PM0.84m | 00:31AM0.73m | ||||||||||||||||||
 |  |  | | | |  | |  | | |  | | | | | | | | |  | | | | |
 | 5:26 | — | — | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | 5:22 |
 | — | — | — | — | — | 8:54 | — | — | — | — | — | — | — | 8:55 | — | — | — | — | — | — | — | 8:58 | — | 8:59 |
— | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | 1 | 1 | — | — | — | |
Temp °C | 9 | 10 | 10 | 10 | 12 | 11 | 9 | 8 | 8 | 8 | 10 | 11 | 11 | 10 | 8 | 7 | 7 | 8 | 11 | 12 | 10 | 11 | 8 | 7 |
0 | 1 | 0 | 1 | 3 | 4 | 3 | 1 | 0 | 0 | 2 | 3 | 3 | 3 | 3 | 2 | 4 | 5 | 6 | 8 | 7 | 5 | 3 | 2 | |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | W 16 | W 16 | — | — | — | — | — | — | — | WNW 6 | WNW 6 | WNW 6 | W 6 | W 7 | W 6 | W 6 | WNW 5 | W 9 | NW 5 |
 kJ | — | — | — | — | — | 5 | 5 | — | — | — | — | — | — | — | 101 | 62 | 48 | 32 | 33 | 29 | 23 | 33 | 2 | 11 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 6 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 7 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 9 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 |
Wind waves Height (m) Direction Period (s) | W 6 | W 7 | WNW 7 | WNW 7 | WNW 7 | W 8 | W 7 | W 7 | WNW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 6 | WNW 6 | — | — | — | — | — | — | — | — | WNW 5 | — |
| kJ | 132 | 226 | 362 | 456 | 405 | 329 | 215 | 166 | 192 | 198 | 217 | 204 | 170 | 110 | — | — | — | — | — | — | — | — | 32 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 353 | 336 | 789 | 801 | 989 | 882 | 410 | 410 | 133 | 133 | 879 | 1111 | 184 | 163 | 39 | 19 | 323 | 153 | 355 | 197 | 355 | 197 | 197 | 331 |
Best forecast wave conditions in Wales - South East | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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