Surf Forecasts:
How big are the waves at Llantwit Major today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 1.5ft (0.5m), 6s period with W swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 1.5ft (0.4m), 7s period with W swell.
- Evening surf: Evening surf (21 Aug, local time) - 1.5ft (0.5m), 6s period with W swell.
The current surf forecast for Llantwit Major at 5AM is: 0.6m 6s primary swell from a West direction and 0.4m 9s secondary swell from a West-southwest direction (forecast issued at 12:00am August 21). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 1.5ft (0.5m) | 6s |
| Afternoon (21 Aug) | 1.5ft (0.4m) | 7s |
| Evening (21 Aug) | 1.5ft (0.5m) | 6s |
Table - waves today at Llantwit Major. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Thu night. Warm (max 21°C on Sun afternoon, min 12°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | ||||||||||||||||||||||
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 6 | WSW 9 | WSW 9 | W 7 | W 8 | W 7 | W 6 | W 6 | WNW 5 | WNW 5 | W 8 | W 8 | W 8 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 8 | W 8 | W 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 49 | 27 | 26 | 22 | 34 | 14 | 18 | 15 | 8 | 8 | 5 | 5 | 12 | 13 | 15 | 14 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 3 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross | cross-off | off | cross-off | cross-off | cross-off | on | cross-on | cross | cross-off | glassy | off | off | cross-off | cross | cross-on | cross-on | cross-on |
High Tide | 00:50AM6.85m | 1:20PM6.59m | 2:00AM6.30m | 2:46PM6.24m | 3:38AM6.17m | 4:21PM6.41m | ||||||||||||||||||
Low Tide | 6:54AM3.07m | 7:29PM3.29m | 8:06AM3.51m | 8:57PM3.57m | 9:44AM3.57m | |||||||||||||||||||
 | |  | |  |  | |  | | | | | | | | | | | | | | | | | |
 | — | 6:07 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:24 | — | — | — | — | — | — | — | 8:22 | — | — | — | — | — | — | — | 8:20 | — |
mm | — | — | — | — | — | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 12 | 12 | 15 | 17 | 17 | 18 | 16 | 15 | 13 | 12 | 15 | 17 | 18 | 19 | 17 | 16 | 14 | 13 | 15 | 19 | 21 | 21 | 19 |
Feels °C | 11 | 10 | 11 | 14 | 14 | 13 | 15 | 13 | 10 | 10 | 9 | 13 | 14 | 14 | 16 | 14 | 15 | 12 | 11 | 13 | 17 | 17 | 17 | 17 |
Swell 1 Height (m) Direction Period (s) | W 6 | W 6 | W 6 | W 7 | W 8 | W 7 | W 8 | W 6 | WNW 5 | WNW 5 | WNW 5 | W 8 | W 8 | W 9 | W 9 | W 9 | W 9 | WNW 4 | W 9 | W 9 | W 9 | W 8 | W 8 | W 8 |
| kJ | 49 | 27 | 20 | 22 | 34 | 14 | 12 | 15 | 8 | 8 | 5 | 5 | 12 | 13 | 15 | 14 | 6 | 1 | 6 | 6 | 6 | 6 | 5 | 1 |
Swell 2 Height (m) Direction Period (s) | W 9 | WSW 9 | WSW 9 | W 9 | — | W 8 | — | W 8 | W 8 | W 8 | W 8 | WNW 4 | W 10 | W 10 | — | — | WNW 3 | W 9 | NW 4 | — | — | — | W 13 | W 12 |
| kJ | 41 | 27 | 26 | 14 | — | 12 | — | 5 | 5 | 5 | 5 | 1 | 2 | 2 | — | — | 1 | 6 | 1 | — | — | — | 4 | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | W 10 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | NW 3 | W 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 2 | 18 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 19 | 39 | 349 | 355 | 197 | 59 | 94 | 59 | 59 | 51 | 160 | 209 | 194 | 194 | 60 | 59 | 94 | 94 | 123 | 160 | 143 | 51 |
Best forecast wave conditions in Wales - South East | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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