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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 Sunday 31 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
14.8° C
(Which is 2.7°C warmer than normal for this time of year)How big are the waves at Llantwit Major today (31 May):
- Morning surf: Morning surf (31 May, local time) - 3.5ft (1.0m), 11s period with W swell.
- Afternoon surf: Afternoon surf (31 May, local time) - 3.5ft (1.1m), 12s period with W swell.
- Evening surf: Evening surf (31 May, local time) - 3.5ft (1.0m), 11s period with W swell.
The current surf forecast for Llantwit Major at 8AM is: 1.0m 11s primary swell from a West direction (forecast issued at 12:00am May 31). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | 3.5ft (1.0m) | 11s |
| Afternoon (31 May) | 3.5ft (1.1m) | 12s |
| Evening (31 May) | 3.5ft (1.0m) | 11s |
Table - waves today at Llantwit Major. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 25mm), heaviest during Mon night. Very mild (max 16°C on Mon morning, min 13°C on Sat night). Winds increasing (light winds from the SSW on Sun night, fresh winds from the W by Tue afternoon). | ||||||||||||||||||||||||
Sunday 31 | Monday 1 | Tuesday 2 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
WSW 12 | WSW 12 | W 11 | W 11 | W 12 | W 12 | W 12 | W 11 | W 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | W 11 | W 10 | W 7 | W 7 | W 10 | W 10 | W 8 | W 8 | W 9 | W 9 | |
232 | 224 | 251 | 302 | 330 | 336 | 324 | 260 | 256 | 205 | 202 | 198 | 156 | 191 | 82 | 75 | 77 | 62 | 196 | 226 | 196 | 266 | 252 | 225 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 7:27AM8.51m | 7:44PM8.67m | 8:02AM8.55m | 8:19PM8.70m | 8:38AM8.50m | 8:55PM8.64m | ||||||||||||||||||
Low Tide | 1:13AM1.58m | 1:28PM1.57m | 1:48AM1.49m | 2:03PM1.54m | 2:25AM1.48m | 2:39PM1.58m | ||||||||||||||||||
 |  |  | |  | | | | | | | |  | | |  |  | | | | | | | | |
 | — | 5:03 | — | — | — | — | — | — | — | 5:03 | — | — | — | — | — | — | — | 5:01 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:19 | — | — | — | — | — | — | — | 9:20 | — | — | — | — | — | — | — | 9:21 | — |
— | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 2 | 5 | 14 | 1 | — | — | — | — | — | — | |
Temp °C | 13 | 14 | 13 | 14 | 15 | 15 | 14 | 13 | 13 | 13 | 13 | 14 | 16 | 16 | 16 | 15 | 14 | 14 | 14 | 14 | 15 | 15 | 14 | 13 |
10 | 11 | 9 | 10 | 11 | 11 | 10 | 11 | 11 | 11 | 11 | 12 | 14 | 15 | 14 | 13 | 13 | 11 | 10 | 9 | 10 | 9 | 9 | 9 | |
Swell 1 Height (m) Direction Period (s) | WSW 12 | WSW 12 | W 11 | W 11 | — | — | W 12 | W 11 | W 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 6 | W 6 | W 7 | W 7 | — | — | — | — | — | W 9 |
 kJ | 232 | 224 | 251 | 302 | — | — | 324 | 260 | 256 | 205 | 202 | 198 | 156 | 191 | 41 | 31 | 77 | 62 | — | — | — | — | — | 225 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 11 | W 10 | WSW 10 | W 10 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 82 | 75 | 33 | 50 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | W 11 | W 12 | W 12 | W 12 | — | — | — | — | — | — | SSW 3 | SSW 3 | SSW 3 | — | — | W 10 | W 10 | W 8 | W 8 | W 9 | — |
| kJ | — | — | — | 191 | 330 | 336 | 216 | — | — | — | — | — | — | 1 | 2 | 1 | — | — | 196 | 226 | 196 | 266 | 252 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 108 | 90 | 184 | 173 | 134 | 134 | 134 | 82 | 74 | 28 | 28 | 21 | 28 | 28 | 74 | 218 | 88 | 84 | 134 | 173 | 173 | 316 | 139 | 83 |
Best forecast wave conditions in Wales - South East | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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