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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 Aug 2025 BST
How big are the waves at Llantwit Major today?
The current surf forecast for Llantwit Major at 9PM is: 0.1m 6s primary swell from a West direction (forecast issued at 06:00pm August 19). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Aug) | - | - |
| Afternoon (19 Aug) | 0.5ft (0.1m) | 7s |
| Evening (19 Aug) | 0.5ft (0.1m) | 6s |
Table - waves today at Llantwit Major. (Swell directed towards the surf break)
Tuesday 19 | Wednesday 20 | Thursday 21 | Friday 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 7 | 6 | 6 | 6 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 13 | 6 | 16 | 15 | 14 | 13 | 13 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
| Energy (?) | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 5 | 1 | 6 | 5 | 17 | 37 | 36 | 51 | 49 | 74 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | off | off | off | off | off | off | cross | off | cross- off | cross- off | off | off | glass | cross- on | cross- on | cross- on | cross | off | glass | glass | cross- on |
High Tide / height (m) | 4:20PM 7.33 | 4:59AM 7.43 | 5:30PM 7.86 | 6:00AM 7.98 | 6:24PM 8.50 | 6:50AM 8.55 | ||||||||||||||||||
Low Tide / height (m) | 10:49PM 2.65 | 11:26AM 2.55 | 12:05AM 2.13 | 12:27PM 1.99 | 12:57AM 1.55 | |||||||||||||||||||
Tuesday 19 | Wednesday 20 | Thursday 21 | Friday 22 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:05 | - | - | - | - | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:09 | - | - |
| Sunset | - | 8:29 | - | - | - | - | - | - | - | 8:27 | - | - | - | - | - | - | - | 8:24 | - | - | - | - | - | - |
 | |  | | | |  | |  | |  | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 21 | 21 | 19 | 16 | 14 | 15 | 16 | 19 | 23 | 21 | 19 | 15 | 12 | 11 | 14 | 17 | 19 | 16 | 17 | 16 | 15 | 14 | 16 | 20 |
| Feels °C (?) | 18 | 17 | 14 | 11 | 9 | 10 | 10 | 15 | 21 | 19 | 17 | 10 | 8 | 8 | 11 | 16 | 16 | 13 | 15 | 14 | 13 | 13 | 15 | 17 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Wales - South East
The wind is still offshore at Llantwit Major (light winds from the NE at Cardiff-Wales Airport 11 km from Llantwit Major). No surfable waves
2 h 5 min ago
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