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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 Saturday 30 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 (30 May):
- Morning surf: Morning surf (30 May, local time) - 2ft (0.6m), 9s period with W swell.
- Afternoon surf: Afternoon surf (30 May, local time) - 1.5ft (0.5m), 8s period with W swell.
- Evening surf: Evening surf (30 May, local time) - 2.5ft (0.8m), 12s period with WSW swell.
The current surf forecast for Llantwit Major at 10AM is: 0.6m 9s primary swell from a West direction and 0.1m 16s secondary swell from a West direction (forecast issued at 06:00am May 30). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 May) | 2ft (0.6m) | 9s |
| Afternoon (30 May) | 1.5ft (0.5m) | 8s |
| Evening (30 May) | 2.5ft (0.8m) | 12s |
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 16mm), heaviest on Mon night. Very mild (max 16°C on Sat morning, min 13°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 30 | Sunday 31 | Monday 1 | Tue 2 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
WSW 11 | W 9 | W 9 | W 8 | W 8 | W 8 | WSW 12 | 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 | WSW 7 | WSW 10 | |
37 | 83 | 56 | 50 | 33 | 34 | 198 | 232 | 224 | 251 | 251 | 274 | 336 | 330 | 265 | 256 | 205 | 202 | 198 | 156 | 191 | 82 | 58 | 163 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | |
High Tide | 6:50AM8.37m | 7:08PM8.54m | 7:27AM8.51m | 7:44PM8.67m | 8:02AM8.55m | 8:19PM8.70m | ||||||||||||||||||
Low Tide | 12:53PM1.68m | 1:13AM1.58m | 1:28PM1.57m | 1:48AM1.49m | 2:03PM1.54m | |||||||||||||||||||
 |  | | | |  |  |  | | | | |  | | | | | | |  | | |  |  | |
 | 5:05 | — | — | — | — | — | — | — | 5:03 | — | — | — | — | — | — | — | 5:03 | — | — | — | — | — | — | 5:01 |
 | — | — | — | — | — | 9:17 | — | — | — | — | — | — | — | 9:19 | — | — | — | — | — | — | — | 9:20 | — | 9:21 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 3 | 2 | 2 | 6 | |
Temp °C | 13 | 13 | 14 | 16 | 16 | 15 | 14 | 13 | 14 | 13 | 14 | 15 | 15 | 14 | 13 | 13 | 13 | 13 | 15 | 15 | 15 | 15 | 15 | 14 |
11 | 11 | 12 | 13 | 12 | 12 | 12 | 11 | 11 | 10 | 10 | 11 | 11 | 10 | 11 | 11 | 12 | 11 | 13 | 13 | 12 | 13 | 13 | 13 | |
Swell 1 Height (m) Direction Period (s) | W 7 | W 9 | W 9 | W 8 | W 8 | W 8 | WSW 12 | WSW 12 | WSW 12 | W 11 | W 11 | — | — | — | W 11 | W 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 6 | WSW 7 | WSW 10 |
 kJ | 34 | 83 | 56 | 50 | 33 | 31 | 198 | 232 | 224 | 251 | 251 | — | — | — | 265 | 256 | 205 | 202 | 198 | 156 | 191 | 41 | 58 | 163 |
Swell 2 Height (m) Direction Period (s) | WSW 11 | W 16 | W 16 | WSW 10 | WSW 10 | WSW 13 | WSW 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 11 | W 10 | — |
| kJ | 37 | 5 | 5 | 10 | 10 | 34 | 18 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 82 | 53 | — |
Swell 3 Height (m) Direction Period (s) | W 16 | — | — | W 15 | WSW 14 | W 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 5 | — | — | 4 | 19 | 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | W 11 | W 12 | W 12 | W 12 | — | — | — | — | — | — | SSW 2 | — | — | WSW 7 |
| kJ | — | — | — | — | — | — | — | — | — | — | 151 | 274 | 336 | 330 | — | — | — | — | — | — | 1 | — | — | 34 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 15 | 15 | 32 | 134 | 134 | 74 | 74 | 108 | 90 | 74 | 134 | 134 | 139 | 146 | 82 | 48 | 60 | 21 | 19 | 21 | 216 | 28 | 74 | 28 |
Best forecast wave conditions in Wales - South East | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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