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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 pm Tuesday 19 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
12.5° C
(Which is 1.0°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 10PM is: 1.6m 9s primary swell from a West-southwest direction (forecast issued at 06:00pm May 19). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 May) | - | - |
| Afternoon (19 May) | 4.5ft (1.3m) | 8s |
| Evening (19 May) | 5ft (1.6m) | 9s |
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 Tue afternoon. Warm (max 21°C on Fri morning, min 12°C on Tue night). Winds decreasing (strong winds from the SW on Tue night, light winds from the SSE by Wed night). | ||||||||||||||||||||||||
Tue 19 | Wednesday 20 | Thursday 21 | Fri 22 | |||||||||||||||||||||
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 | 4 AM | 7 AM | 10 AM | 1 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WSW 8 | WSW 9 | WSW 9 | WSW 9 | WSW 10 | WSW 14 | WSW 13 | W 13 | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 11 | WSW 11 | |
262 | 315 | 388 | 567 | 725 | 1470 | 1308 | 1264 | 987 | 764 | 556 | 418 | 284 | 279 | 217 | 194 | 147 | 136 | 131 | 133 | 102 | 100 | 158 | 170 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross | cross-on | |
High Tide | 9:31PM9.82m | 9:58AM9.37m | 10:21PM9.36m | 10:49AM8.76m | 11:14PM8.78m | 11:45AM8.10m | ||||||||||||||||||
Low Tide | 3:10PM0.61m | 3:38AM0.62m | 3:59PM1.02m | 4:32AM1.09m | 4:53PM1.53m | 5:32AM1.61m | ||||||||||||||||||
 |  |  |  | | | | | |  |  |  | |  | | | | | | | | | | | |
 | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:15 | — | — | — | — | — | — | — | 5:13 | — | — | — |
 | — | 9:04 | — | — | — | — | — | — | — | 9:05 | — | — | — | — | — | — | — | 9:06 | — | — | — | — | — | 9:07 |
— | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 15 | 13 | 12 | 12 | 12 | 12 | 13 | 14 | 14 | 14 | 14 | 13 | 12 | 13 | 16 | 19 | 19 | 17 | 15 | 14 | 14 | 15 | 18 | 21 |
8 | 6 | 4 | 5 | 5 | 5 | 7 | 8 | 9 | 11 | 13 | 11 | 10 | 12 | 15 | 18 | 16 | 14 | 13 | 12 | 12 | 13 | 16 | 19 | |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | W 13 | W 13 | W 12 | W 12 | W 12 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 11 | WSW 11 |
 kJ | — | — | — | — | — | — | — | — | — | 764 | 556 | 418 | 284 | 279 | 217 | 194 | 147 | 136 | 131 | 133 | 102 | 100 | 158 | 170 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 8 | WSW 9 | WSW 9 | WSW 9 | WSW 10 | WSW 14 | WSW 13 | W 13 | W 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 262 | 315 | 388 | 567 | 725 | 1470 | 1308 | 1264 | 987 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 321 | 321 | 321 | 394 | 431 | 300 | 300 | 401 | 142 | 142 | 21 | 21 | 19 | 19 | 21 | 21 | 15 | 44 | 0 | 0 | 0 | 0 | 28 | 28 |
Best forecast wave conditions in Wales - South East | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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