Surf Forecasts:
How big are the waves at Llantwit Major today (13 Sep):
- Morning surf: Morning surf (13 Sep, local time) - 3ft (0.9m), 7s period with W swell.
- Afternoon surf: Afternoon surf (13 Sep, local time) - 2.5ft (0.8m), 7s period with W swell.
- Evening surf: Evening surf (13 Sep, local time) - 3ft (0.9m), 10s period with W swell.
The current surf forecast for Llantwit Major at 3PM is: 0.8m 7s primary swell from a West direction and 0.5m 10s secondary swell from a West direction (forecast issued at 12:00pm September 13). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Sep) | 3ft (0.9m) | 7s |
| Afternoon (13 Sep) | 2.5ft (0.8m) | 7s |
| Evening (13 Sep) | 3ft (0.9m) | 10s |
Table - waves today at Llantwit Major. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Sun morning. Very mild (max 19°C on Mon morning, min 13°C on Tue night). Winds increasing (light winds from the SSW on Sun night, fresh winds from the WNW by Tue morning). | |||||||||||||||||||||
Sun 13 | Monday 14 | Tuesday 15 | |||||||||||||||||||
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 7 | W 10 | W 10 | W 10 | W 9 | W 9 | WSW 9 | W 6 | W 6 | W 6 | W 6 | W 6 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 77 | 77 | 61 | 62 | 151 | 120 | 88 | 81 | 78 | 26 | 32 | 24 | 24 | 34 | 49 | 89 | 138 | 199 | 205 | 134 | 120 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 8:43AM9.91m | 9:00PM10.03m | 9:18AM9.69m | 9:35PM9.62m | 9:52AM9.26m | ||||||||||||||||
Low Tide | 2:47PM0.25m | 3:06AM0.33m | 3:19PM0.47m | 3:36AM0.70m | 3:50PM0.88m | ||||||||||||||||
 | | |  |  |  | | | | |  |  | | | | | | | | |  | |
 | 6:43 | — | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — |
 | — | — | — | 7:34 | — | — | — | — | — | — | — | 7:31 | — | — | — | — | — | — | — | 7:29 | — |
mm | 2 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — |
Temp °C | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 19 | 18 | 19 | 19 | 19 | 18 | 18 | 17 | 16 | 16 | 16 | 16 | 16 |
Feels °C | 16 | 16 | 17 | 18 | 18 | 17 | 18 | 20 | 19 | 17 | 17 | 18 | 17 | 16 | 14 | 13 | 11 | 10 | 10 | 12 | 12 |
Swell 1 Height (m) Direction Period (s) | W 7 | W 7 | W 7 | W 7 | W 10 | W 10 | W 10 | W 9 | W 9 | WSW 9 | WSW 9 | W 6 | W 6 | W 6 | W 6 | W 11 | — | — | — | — | — |
| kJ | 77 | 77 | 61 | 62 | 151 | 120 | 88 | 81 | 78 | 26 | 26 | 24 | 24 | 34 | 49 | 2 | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | W 10 | WSW 10 | W 10 | W 10 | — | — | — | — | — | — | — | WSW 8 | WSW 8 | WSW 8 | W 8 | — | — | — | — | — | — |
| kJ | 49 | 32 | 49 | 48 | — | — | — | — | — | — | — | 24 | 23 | 14 | 12 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | W 6 | W 6 | — | — | — | — | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 |
| kJ | — | — | — | — | — | — | — | — | — | 25 | 32 | — | — | — | — | 89 | 138 | 199 | 205 | 134 | 120 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 142 | 155 | 88 | 88 | 118 | 95 | 129 | 60 | 142 | 142 | 142 | 142 | 126 | 132 | 155 | 238 | 404 | 316 | 349 | 349 | 58 |
Best forecast wave conditions in Wales - South East | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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