
Surf Forecasts:
How big are the waves at Llantwit Major today (11 Aug):
- Morning surf: Morning surf (11 Aug, local time) - 0.5ft (0.2m), 8s period with W swell.
- Afternoon surf: Afternoon surf (11 Aug, local time) - 0.5ft (0.2m), 8s period with W swell.
- Evening surf: Evening surf (11 Aug, local time) - 0.5ft (0.2m), 8s period with W swell.
The current surf forecast for Llantwit Major at 5AM is: 0.2m 4s primary swell from a West direction and 0.1m 8s secondary swell from a West direction (forecast issued at 12:00am August 11). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Aug) | 0.5ft (0.2m) | 8s |
| Afternoon (11 Aug) | 0.5ft (0.2m) | 8s |
| Evening (11 Aug) | 0.5ft (0.2m) | 8s |
Table - waves today at Llantwit Major. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 34°C on Wed afternoon, min 15°C on Mon night). Winds increasing (calm on Mon night, fresh winds from the W by Thu afternoon). | ||||||||||||||||||||||||
Tuesday 11 | Wednesday 12 | Thursday 13 | ||||||||||||||||||||||
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 | ||||||||||||||||||||||||
Wave Height (m) Direction Period (s) | W 5 | W 4 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 12 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | W 9 | W 9 | W 10 | W 10 | W 11 | W 10 | W 10 | W 10 | W 10 |
Wave Graph | ||||||||||||||||||||||||
4 | 2 | 5 | 5 | 5 | 5 | 4 | 4 | 10 | 24 | 39 | 34 | 33 | 31 | 29 | 44 | 45 | 46 | 47 | 83 | 80 | 162 | 192 | 71 | |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | on | cross-on | cross-on | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 6:07AM8.48m | 6:33PM9.03m | 7:00AM9.11m | 7:22PM9.68m | 7:46AM9.59m | 8:07PM10.11m | ||||||||||||||||||
Low Tide | 00:00AM1.76m | 12:27PM1.56m | 00:59AM1.09m | 1:18PM0.96m | 1:46AM0.55m | 2:02PM0.52m | ||||||||||||||||||
— | 5:52 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | |
— | — | — | — | — | — | 8:45 | — | — | — | — | — | — | — | 8:43 | — | — | — | — | — | — | — | 8:40 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 16 | 15 | 19 | 24 | 27 | 27 | 23 | 20 | 18 | 17 | 21 | 28 | 34 | 31 | 25 | 22 | 22 | 21 | 24 | 27 | 24 | 21 | 19 |
Feels °C | 17 | 13 | 12 | 17 | 22 | 24 | 24 | 21 | 17 | 15 | 14 | 17 | 25 | 30 | 27 | 23 | 21 | 21 | 20 | 21 | 23 | 20 | 18 | 18 |
Swell 1 Height (m) Direction Period (s) | W 5 | W 4 | W 8 | W 8 | W 8 | W 8 | W 8 | W 8 | W 12 | WSW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | W 9 | W 9 | W 10 | W 10 | W 11 | W 10 | — | — | W 10 |
4 | 2 | 5 | 5 | 5 | 5 | 4 | 4 | 10 | 24 | 39 | 34 | 33 | 31 | 29 | 44 | 45 | 46 | 47 | 83 | 80 | — | — | 71 | |
Swell 2 Height (m) Direction Period (s) | W 8 | W 8 | W 4 | W 10 | W 10 | W 10 | W 10 | W 12 | W 8 | W 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1 | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 4 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Swell 3 Height (m) Direction Period (s) | W 6 | W 7 | W 10 | W 7 | — | — | W 13 | W 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
1 | 1 | 2 | 1 | — | — | 3 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 3 | SSW 3 | — | — | — | — | WNW 2 | W 10 | W 10 | W 4 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | 1 | 162 | 192 | 7 | |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 143 | 211 | 311 | 330 | 393 | 465 | 143 | 134 | 59 | 55 | 21 | 21 | 51 | 51 | 58 | 58 | 19 | 19 | 15 | 39 | 177 | 349 | 349 | 39 |
Best forecast wave conditions in Wales - South East | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)













