
Surf Forecasts:
How big are the waves at Llantwit Major today (17 Jul):
- Morning surf: Morning surf (17 Jul, local time) - 0.5ft (0.2m), 8s period with W swell.
- Afternoon surf: Afternoon surf (17 Jul, local time) - 0.5ft (0.2m), 8s period with W swell.
- Evening surf: Evening surf (17 Jul, local time) - 1.5ft (0.4m), 3s period with WNW swell.
The current surf forecast for Llantwit Major at 4PM is: 0.4m 3s primary swell from a Northwest direction and 0.1m 8s secondary swell from a West direction (forecast issued at 12:00pm July 17). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Jul) | 0.5ft (0.2m) | 8s |
| Afternoon (17 Jul) | 0.5ft (0.2m) | 8s |
| Evening (17 Jul) | 1.5ft (0.4m) | 3s |
Table - waves today at Llantwit Major. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 24°C on Fri morning, min 13°C on Sat night). Winds increasing (calm on Fri night, fresh winds from the ENE by Sat night). | |||||||||||||||||||||
Fri 17 | Saturday 18 | Sunday 19 | |||||||||||||||||||
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 8 | W 8 | NW 3 | WNW 3 | WNW 3 | NW 4 | NW 4 | WNW 4 | WNW 4 | WNW 4 | W 8 | NW 3 | NW 4 | NW 5 | NW 4 | W 8 | W 8 | W 7 | W 7 | W 7 | W 7 |
Wave Graph | |||||||||||||||||||||
5 | 5 | 2 | 4 | 5 | 4 | 4 | 1 | 1 | 2 | 1 | 3 | 9 | 5 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross | cross | glassy | off | off | cross-off | cross-on | cross-on | cross-off | off | cross-off | cross-off | cross-off | cross-off | glassy | cross-on | cross-on | cross |
High Tide | 9:32AM9.63m | 9:53PM9.94m | 10:16AM9.34m | 10:37PM9.54m | 11:00AM8.88m | ||||||||||||||||
Low Tide | 3:43PM0.55m | 4:11AM0.50m | 4:25PM0.78m | 4:53AM0.86m | 5:06PM1.17m | ||||||||||||||||
5:16 | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — | |
— | — | — | 9:22 | — | — | — | — | — | — | — | 9:21 | — | — | — | — | — | — | — | 9:20 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 24 | 23 | 24 | 20 | 18 | 16 | 15 | 18 | 21 | 22 | 23 | 20 | 17 | 14 | 13 | 16 | 21 | 21 | 21 | 20 |
Feels °C | 21 | 21 | 19 | 21 | 17 | 17 | 14 | 13 | 17 | 18 | 19 | 19 | 14 | 12 | 10 | 9 | 12 | 19 | 17 | 17 | 18 |
Swell 1 Height (m) Direction Period (s) | W 8 | W 8 | W 8 | W 8 | W 8 | NW 4 | NW 4 | WNW 4 | WNW 4 | WNW 4 | W 8 | W 8 | NW 4 | NW 5 | NW 4 | NW 4 | W 8 | W 7 | W 7 | W 7 | W 7 |
5 | 5 | 1 | 1 | 1 | 4 | 4 | 1 | 1 | 2 | 1 | 1 | 9 | 5 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | W 8 | W 8 | W 8 | W 8 | W 8 | — | — | W 8 | W 8 | W 8 | W 8 | NW 4 | — | — | — | — |
— | — | — | — | — | 1 | 1 | 1 | 1 | 1 | — | — | 1 | 1 | 1 | 1 | 1 | — | — | — | — | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | — | — | NW 3 | WNW 3 | WNW 3 | — | — | — | — | — | WNW 4 | NW 3 | — | ENE 3 | E 3 | — | — | — | — | — | WNW 2 |
— | — | 2 | 4 | 5 | — | — | — | — | — | 1 | 3 | — | 3 | 1 | — | — | — | — | — | 1 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 355 | 795 | 802 | 1145 | 434 | 424 | 430 | 426 | 426 | 214 | 426 | 426 | 426 | 426 | 134 | 143 | 362 | 426 | 196 | 196 | 367 |
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)











