Surf Forecasts:
How big are the waves at Llantwit Major today (20 Aug):
- Morning surf: Morning surf (20 Aug, local time) - 4ft (1.2m), 8s period with W swell.
- Afternoon surf: Afternoon surf (20 Aug, local time) - 4ft (1.2m), 7s period with W swell.
- Evening surf: Evening surf (20 Aug, local time) - 3.5ft (1.0m), 6s period with W swell.
The current surf forecast for Llantwit Major at 12PM is: 1.2m 7s primary swell from a West direction (forecast issued at 06:00am August 20). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Aug) | 4ft (1.2m) | 8s |
| Afternoon (20 Aug) | 4ft (1.2m) | 7s |
| Evening (20 Aug) | 3.5ft (1.0m) | 6s |
Table - waves today at Llantwit Major. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Thu night. Very mild (max 19°C on Sat afternoon, min 12°C on Thu night). Winds decreasing (fresh winds from the WNW on Thu afternoon, calm by Fri morning). | |||||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | |||||||||||||||||||||
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 8 | W 7 | W 7 | W 7 | W 7 | W 6 | W 6 | WSW 9 | W 6 | W 9 | W 8 | W 7 | WNW 6 | WNW 6 | WNW 5 | W 8 | W 8 | W 8 | W 8 | W 9 | W 9 | W 9 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 155 | 160 | 155 | 146 | 163 | 111 | 76 | 44 | 27 | 22 | 36 | 32 | 14 | 12 | 11 | 9 | 5 | 5 | 12 | 5 | 6 | 15 | 14 |
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 | cross-off | cross-off | cross-off | off | glassy | cross-on | cross-on | cross-on | cross-off | off | cross-off | cross-off | cross-off | cross-on | cross-on | cross | cross |
High Tide | 12:23PM7.20m | 00:50AM6.85m | 1:20PM6.59m | 2:00AM6.30m | 2:46PM6.24m | ||||||||||||||||||
Low Tide | 6:03AM2.46m | 6:27PM2.74m | 6:54AM3.07m | 7:29PM3.29m | 8:06AM3.51m | 8:57PM3.57m | |||||||||||||||||
 |  |  | | | |  | | | | |  | | | | | | | | | | | | |
 | 6:05 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | — | — | 8:27 | — | — | — | — | — | — | — | 8:24 | — | — | — | — | — | — | — | 8:22 | — |
mm | — | — | — | — | — | — | 1 | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 15 | 17 | 17 | 18 | 18 | 15 | 13 | 12 | 12 | 15 | 15 | 17 | 17 | 16 | 15 | 14 | 13 | 15 | 18 | 19 | 19 | 17 |
Feels °C | 12 | 12 | 13 | 12 | 12 | 14 | 13 | 11 | 10 | 10 | 15 | 13 | 14 | 14 | 14 | 12 | 11 | 10 | 13 | 16 | 14 | 15 | 14 |
Swell 1 Height (m) Direction Period (s) | W 7 | W 8 | — | — | — | W 9 | W 6 | W 6 | W 6 | W 6 | W 9 | W 8 | W 7 | W 8 | WNW 6 | WNW 5 | WNW 5 | W 8 | W 8 | W 8 | W 9 | W 9 | W 9 |
| kJ | 155 | 160 | — | — | — | 43 | 76 | 44 | 27 | 22 | 36 | 32 | 14 | 12 | 11 | 9 | 5 | 5 | 12 | 5 | 6 | 15 | 14 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | W 9 | W 9 | WSW 9 | WSW 9 | — | — | W 8 | W 8 | W 8 | W 8 | W 8 | WNW 4 | W 10 | W 10 | W 10 | — | — |
| kJ | — | — | — | — | — | — | 41 | 41 | 27 | 16 | — | — | 12 | 6 | 5 | 5 | 5 | 2 | 2 | 2 | 2 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 5 | W 5 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 1 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | W 7 | W 7 | W 7 | W 7 | — | — | — | — | — | — | NW 4 | WNW 6 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 155 | 146 | 163 | 111 | — | — | — | — | — | — | 3 | 12 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 173 | 214 | 88 | 48 | 616 | 271 | 0 | 0 | 0 | 9 | 39 | 39 | 127 | 51 | 111 | 51 | 51 | 59 | 59 | 134 | 148 | 194 | 123 |
Best forecast wave conditions in Wales - South East | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
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