Surf Forecasts:
How big are the waves at Llantwit Major today (18 Jul):
- Afternoon surf: Afternoon surf (18 Jul, local time) - 0.5ft (0.1m), 8s period with W swell.
- Evening surf: Evening surf (18 Jul, local time) - 1.5ft (0.4m), 3s period with NW swell.
The current surf forecast for Llantwit Major at 11PM is: 0.4m 4s primary swell from a Northwest direction and 0.1m 8s secondary swell from a West direction (forecast issued at 06:00pm July 18). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jul) | - | - |
| Afternoon (18 Jul) | 0.5ft (0.1m) | 8s |
| Evening (18 Jul) | 1.5ft (0.4m) | 3s |
Table - waves today at Llantwit Major. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 23°C on Sat afternoon, min 14°C on Sat night). Wind will be generally light. | |||||||||||||||||||
Sat 18 | Sunday 19 | Monday 20 | |||||||||||||||||
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 8 | W 8 | NW 3 | NW 4 | NW 4 | WNW 4 | W 8 | W 7 | W 7 | W 7 | W 10 | W 7 | W 9 | W 9 | W 12 | W 11 | W 11 | W 11 | W 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 1 | 1 | 3 | 4 | 5 | 2 | 1 | 1 | 1 | 1 | 2 | 1 | 2 | 2 | 3 | 2 | 2 | 2 | 2 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | off | cross-off | off | cross-off | cross-off | glassy | cross-on | cross-on | cross-off | off | cross-off | cross-off | cross-off | glassy | cross-on | cross-on | cross |
High Tide | 10:37PM9.54m | 11:00AM8.88m | 11:20PM8.96m | 11:44AM8.32m | |||||||||||||||
Low Tide | 4:25PM0.78m | 4:53AM0.86m | 5:06PM1.17m | 5:34AM1.34m | 5:48PM1.67m | ||||||||||||||
 |  |  | |  | | |  | | | | |  | | | | | | | |
 | — | — | — | — | 5:18 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — |
 | — | 9:21 | — | — | — | — | — | — | — | 9:20 | — | — | — | — | — | — | — | 9:19 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 23 | 21 | 19 | 15 | 14 | 16 | 20 | 21 | 21 | 21 | 18 | 15 | 14 | 17 | 22 | 23 | 23 | 21 |
Feels °C | 19 | 20 | 18 | 16 | 11 | 11 | 13 | 18 | 18 | 18 | 18 | 13 | 11 | 11 | 14 | 20 | 19 | 19 | 19 |
Swell 1 Height (m) Direction Period (s) | W 8 | W 8 | NW 3 | NW 4 | NW 4 | WNW 4 | NW 4 | W 7 | W 7 | W 7 | W 7 | — | WNW 3 | — | — | W 9 | W 8 | W 8 | W 8 |
| kJ | 1 | 1 | 3 | 4 | 5 | 2 | 1 | 1 | 1 | 1 | 1 | — | 1 | — | — | 1 | 1 | 1 | 1 |
Swell 2 Height (m) Direction Period (s) | NW 4 | — | W 8 | W 8 | W 8 | W 8 | W 8 | NW 4 | — | — | W 10 | W 7 | W 7 | W 9 | W 9 | — | W 11 | W 11 | W 11 |
| kJ | 1 | — | 1 | 1 | 1 | 1 | 1 | 1 | — | — | 2 | 1 | 1 | 2 | 2 | — | 2 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | W 9 | W 7 | W 12 | W 11 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 1 | 3 | 2 | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 3 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 426 | 426 | 426 | 59 | 143 | 143 | 363 | 185 | 381 | 355 | 355 | 333 | 331 | 331 | 374 | 211 | 885 | 434 | 367 |
Best forecast wave conditions in Wales - South East | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
Header Global | |||||||||||||||||||
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