Surf Forecasts:
How big are the waves at Llantwit Major today (17 Aug):
- Morning surf: Morning surf (17 Aug, local time) - 1.5ft (0.5m), 5s period with W swell.
- Afternoon surf: Afternoon surf (17 Aug, local time) - 2.5ft (0.8m), 6s period with W swell.
- Evening surf: Evening surf (17 Aug, local time) - 2.5ft (0.7m), 5s period with W swell.
The current surf forecast for Llantwit Major at 4AM is: 0.2m 7s primary swell from a West direction and 0.3m 4s secondary swell from a West direction (forecast issued at 12:00am August 17). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Aug) | 1.5ft (0.5m) | 5s |
| Afternoon (17 Aug) | 2.5ft (0.8m) | 6s |
| Evening (17 Aug) | 2.5ft (0.7m) | 5s |
Table - waves today at Llantwit Major. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Mon night. Very mild (max 19°C on Mon morning, min 14°C on Tue night). Winds increasing (light winds from the W on Sun night, fresh winds from the W by Tue afternoon). | ||||||||||||||||||||||||
Monday 17 | Tuesday 18 | Wednesday 19 | ||||||||||||||||||||||
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 7 | W 7 | W 7 | W 6 | W 6 | W 6 | W 4 | W 5 | W 5 | W 7 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 7 | W 7 | W 7 | W 6 | W 7 | W 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 4 | 4 | 4 | 15 | 31 | 40 | 28 | 21 | 12 | 36 | 39 | 81 | 81 | 76 | 59 | 48 | 38 | 50 | 107 | 127 | 123 | 116 | 123 | 159 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | 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 | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | on |
High Tide | 10:07PM9.71m | 10:26AM9.17m | 10:44PM9.09m | 11:03AM8.57m | 11:22PM8.36m | 11:41AM7.90m | ||||||||||||||||||
Low Tide | 4:15AM0.67m | 4:28PM0.92m | 4:49AM1.20m | 5:03PM1.47m | 5:24AM1.81m | 5:41PM2.10m | ||||||||||||||||||
 | |  | |  | |  |  |  | |  | | | | | | | | | | | | |  | |
 | — | 6:01 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:32 | — | — | — | — | — | — | — | 8:30 | — | — | — | — | — | — | — | 8:29 | — |
mm | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
Temp °C | 16 | 17 | 18 | 19 | 19 | 18 | 17 | 16 | 16 | 18 | 18 | 18 | 19 | 18 | 18 | 17 | 16 | 15 | 14 | 16 | 17 | 17 | 17 | 16 |
Feels °C | 14 | 17 | 19 | 17 | 16 | 14 | 13 | 13 | 13 | 16 | 17 | 15 | 14 | 12 | 15 | 15 | 13 | 12 | 12 | 11 | 11 | 11 | 12 | 11 |
Swell 1 Height (m) Direction Period (s) | W 7 | W 4 | W 4 | W 6 | W 9 | — | — | W 8 | W 7 | W 7 | W 7 | — | — | — | — | W 6 | W 6 | W 6 | — | — | — | — | — | — |
| kJ | 4 | 2 | 3 | 15 | 2 | — | — | 10 | 9 | 9 | 9 | — | — | — | — | 48 | 38 | 50 | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | W 7 | W 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 4 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WNW 3 | — | — | — | W 6 | W 6 | W 4 | W 5 | W 5 | W 7 | W 6 | W 6 | W 6 | W 6 | W 6 | — | — | — | W 7 | W 7 | W 7 | W 6 | W 7 | W 7 |
| kJ | 2 | — | — | — | 31 | 40 | 28 | 21 | 12 | 36 | 39 | 81 | 81 | 76 | 59 | — | — | — | 107 | 127 | 123 | 116 | 123 | 159 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 271 | 344 | 355 | 355 | 462 | 488 | 510 | 300 | 385 | 271 | 101 | 173 | 452 | 797 | 570 | 179 | 187 | 88 | 133 | 355 | 355 | 468 | 404 | 173 |
Best forecast wave conditions in Wales - South East | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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