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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 Friday 15 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 1.0°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 2AM is: 0.5m 4s primary swell from a West direction and 0.1m 9s secondary swell from a West direction (forecast issued at 06:00pm May 15). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 May) | 1.5ft (0.4m) | 5s |
| Afternoon (16 May) | 1.5ft (0.4m) | 5s |
| Evening (16 May) | 2ft (0.6m) | 5s |
Table - waves today at Llantwit Major. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 10mm), heaviest on Sun night. Very mild (max 12°C on Fri afternoon, min 7°C on Fri night). Winds increasing (calm on Fri night, fresh winds from the SW by Sun night). | ||||||||||||||||||||||||
Fri 15 | Saturday 16 | Sunday 17 | Mon 18 | |||||||||||||||||||||
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 |  |    |    |    | ||||||||||||||||||||
WNW 5 | WNW 5 | WNW 5 | WNW 5 | W 9 | W 5 | W 5 | W 5 | W 5 | W 5 | W 5 | W 6 | W 7 | W 7 | W 7 | W 7 | W 6 | W 6 | W 12 | W 7 | W 7 | W 7 | W 8 | W 8 | |
33 | 38 | 27 | 13 | 6 | 7 | 7 | 7 | 7 | 11 | 18 | 42 | 71 | 71 | 71 | 85 | 75 | 75 | 69 | 154 | 272 | 183 | 164 | 138 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross | glassy | glassy | cross-on | on | cross-on | on | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | |
High Tide | 6:28PM9.35m | 6:50AM9.68m | 7:13PM9.83m | 7:36AM10.00m | 7:58PM10.08m | 8:22AM10.05m | ||||||||||||||||||
Low Tide | 00:31AM0.73m | 12:55PM0.47m | 1:16AM0.37m | 1:39PM0.30m | 2:02AM0.23m | |||||||||||||||||||
 |  |  | |  |  | | | | | | | | | | | | |  |  | |  | | | |
 | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:18 | — | — | — |
 | — | 8:58 | — | — | — | — | — | — | — | 8:59 | — | — | — | — | — | — | — | 9:00 | — | — | — | — | — | 9:01 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 3 | 4 | 1 | — | |
Temp °C | 12 | 11 | 8 | 7 | 8 | 9 | 10 | 11 | 12 | 12 | 11 | 10 | 8 | 8 | 11 | 11 | 11 | 11 | 10 | 9 | 9 | 9 | 11 | 12 |
4 | 4 | 2 | 3 | 6 | 7 | 7 | 8 | 8 | 9 | 7 | 6 | 4 | 4 | 6 | 5 | 5 | 5 | 4 | 3 | 2 | 5 | 7 | 9 | |
Swell 1 Height (m) Direction Period (s) | — | W 9 | W 9 | WNW 5 | WNW 4 | W 5 | W 5 | W 5 | W 7 | W 5 | W 8 | W 6 | W 7 | W 7 | W 12 | W 12 | WSW 12 | — | W 12 | W 11 | W 12 | W 7 | W 8 | W 8 |
 kJ | — | 2 | 2 | 13 | 3 | 7 | 7 | 7 | 4 | 11 | 5 | 42 | 71 | 71 | 11 | 47 | 48 | — | 69 | 41 | 25 | 183 | 164 | 138 |
Swell 2 Height (m) Direction Period (s) | — | — | — | W 9 | W 5 | W 8 | W 8 | W 7 | W 9 | W 7 | W 7 | W 13 | W 13 | W 13 | W 14 | — | — | — | — | — | — | WSW 11 | — | — |
| kJ | — | — | — | 2 | 2 | 5 | 4 | 4 | 2 | 4 | 1 | 4 | 14 | 13 | 16 | — | — | — | — | — | — | 42 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | W 9 | — | W 9 | W 9 | — | W 15 | W 14 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 6 | — | 2 | 2 | — | 4 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WNW 5 | WNW 5 | WNW 5 | — | — | — | — | — | W 5 | — | W 5 | W 5 | — | — | W 7 | W 7 | W 6 | W 6 | W 6 | W 7 | W 7 | — | — | — |
| kJ | 33 | 38 | 27 | — | — | — | — | — | 7 | — | 18 | 21 | — | — | 71 | 85 | 75 | 75 | 64 | 154 | 272 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 397 | 367 | 331 | 111 | 300 | 300 | 300 | 331 | 334 | 331 | 331 | 336 | 133 | 39 | 249 | 336 | 353 | 372 | 355 | 108 | 110 | 39 | 48 | 74 |
Best forecast wave conditions in Wales - South East | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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