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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 Saturday 23 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
13.0° 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 12AM is: 0.6m 10s primary swell from a West direction (forecast issued at 06:00pm May 23). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (24 May) | - | - |
| Afternoon (24 May) | 2.5ft (0.7m) | 10s |
| Evening (24 May) | 2ft (0.6m) | 10s |
Table - waves today at Llantwit Major. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 26°C on Mon afternoon, min 14°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Sat 23 | Sunday 24 | Monday 25 | Tue 26 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 13 | WSW 9 | W 12 | W 12 | WSW 12 | W 12 | WSW 12 | |
98 | 73 | 70 | 70 | 68 | 47 | 43 | 42 | 42 | 43 | 63 | 63 | 61 | 61 | 60 | 41 | 41 | 28 | 26 | 72 | 71 | 46 | 45 | 49 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | glassy | glassy | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 1:20AM7.71m | 2:00PM7.21m | 2:33AM7.48m | 3:12PM7.19m | 3:41AM7.50m | |||||||||||||||||||
Low Tide | 7:04PM2.44m | 7:52AM2.37m | 8:17PM2.63m | 9:02AM2.46m | 9:27PM2.62m | 10:04AM2.38m | ||||||||||||||||||
 | |  | | | | | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | 5:11 | — | — | — | — | — | — | — | 5:09 | — | — | — | — | — | — | — | 5:09 | — | — | — |
 | — | 9:08 | — | — | — | — | — | — | — | 9:09 | — | — | — | — | — | — | — | 9:12 | — | — | — | — | — | 9:13 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 16 | 15 | 15 | 15 | 14 | 17 | 20 | 22 | 23 | 23 | 21 | 20 | 19 | 20 | 24 | 26 | 25 | 23 | 22 | 21 | 20 | 21 | 24 |
13 | 13 | 13 | 13 | 14 | 13 | 16 | 19 | 22 | 24 | 23 | 21 | 21 | 19 | 20 | 25 | 25 | 25 | 23 | 22 | 20 | 19 | 20 | 23 | |
Swell 1 Height (m) Direction Period (s) | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | WSW 9 | WSW 9 | W 12 | W 12 | WSW 12 | W 12 | WSW 12 |
 kJ | 98 | 73 | 70 | 70 | 68 | 47 | 43 | 42 | 42 | 43 | 63 | 63 | 61 | 61 | 60 | 41 | 41 | 26 | 26 | 72 | 71 | 46 | 45 | 49 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | W 16 | W 15 | W 14 | W 14 | W 13 | W 13 | W 13 | W 12 | W 12 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 5 | 4 | 16 | 33 | 31 | 29 | 28 | 25 | 11 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 40 | 40 | 39 | 15 | 0 | 9 | 19 | 21 | 21 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 55 | 0 | 21 | 0 | 0 | 21 | 21 | 55 |
Best forecast wave conditions in Wales - South East | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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