Surf Forecasts:
How big are the waves at Llantwit Major today (31 Aug):
- Morning surf: Morning surf (31 Aug, local time) - 5ft (1.5m), 9s period with W swell.
- Afternoon surf: Afternoon surf (31 Aug, local time) - 5ft (1.5m), 10s period with W swell.
- Evening surf: Evening surf (31 Aug, local time) - 4ft (1.2m), 10s period with W swell.
The current surf forecast for Llantwit Major at 9AM is: 1.5m 9s primary swell from a West direction (forecast issued at 06:00am August 31). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Aug) | 5ft (1.5m) | 9s |
| Afternoon (31 Aug) | 5ft (1.5m) | 10s |
| Evening (31 Aug) | 4ft (1.2m) | 10s |
Table - waves today at Llantwit Major. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Wed afternoon. Very mild (max 19°C on Wed morning, min 15°C on Mon morning). Mainly fresh winds. | |||||||||||||||||||||||
Monday 31 | Tuesday 1 | Wednesday 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 | |
Swell Height Map |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | W 9 | W 9 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 9 | W 5 | W 5 | W 5 | W 6 | W 6 | W 6 | W 7 | W 7 | W 7 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 348 | 367 | 453 | 432 | 424 | 369 | 268 | 186 | 148 | 106 | 78 | 56 | 74 | 71 | 12 | 12 | 13 | 18 | 26 | 35 | 113 | 155 | 134 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | cross-on |
High Tide | 9:22AM9.64m | 9:39PM9.80m | 9:58AM9.49m | 10:17PM9.49m | 10:37AM9.12m | ||||||||||||||||||
Low Tide | 3:09AM0.42m | 3:20PM0.49m | 3:39AM0.52m | 3:52PM0.66m | 4:12AM0.82m | 4:28PM1.02m | |||||||||||||||||
 |  | |  | | |  | |  | | |  | | | | | | | | |  | | | |
 | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — |
 | — | — | — | — | — | 8:02 | — | — | — | — | — | — | — | 8:00 | — | — | — | — | — | — | — | 7:59 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — |
Temp °C | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 16 | 18 | 18 | 17 | 16 | 16 | 16 | 16 | 18 | 19 | 19 | 18 | 18 |
Feels °C | 10 | 9 | 11 | 11 | 11 | 11 | 13 | 13 | 13 | 13 | 13 | 15 | 14 | 14 | 14 | 14 | 13 | 14 | 15 | 16 | 15 | 14 | 15 |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | — | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | — | — | W 5 | W 5 | W 5 | W 6 | W 6 | W 6 | — | — | W 7 |
| kJ | — | — | — | — | — | — | 268 | 186 | 148 | 106 | 78 | 56 | — | — | 11 | 12 | 13 | 18 | 26 | 35 | — | — | 134 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 8 | W 8 | W 8 | W 8 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 12 | 12 | 5 | 5 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 6 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 9 | W 9 | W 10 | W 10 | W 10 | W 10 | — | — | — | — | — | — | W 9 | W 9 | — | — | — | — | — | — | W 7 | W 7 | — |
| kJ | 348 | 367 | 453 | 432 | 424 | 369 | — | — | — | — | — | — | 74 | 71 | — | — | — | — | — | — | 113 | 155 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 108 | 90 | 173 | 649 | 349 | 84 | 48 | 133 | 127 | 74 | 74 | 40 | 118 | 155 | 323 | 132 | 108 | 108 | 191 | 132 | 300 | 401 | 401 |
Best forecast wave conditions in Wales - South East | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
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