
Surf Forecasts:
How big are the waves at Llantwit Major today (20 Oct):
- Morning surf: Morning surf (20 Oct, local time) - 1.5ft (0.4m), 13s period with WSW swell.
- Afternoon surf: Afternoon surf (20 Oct, local time) - 1.5ft (0.5m), 12s period with W swell.
- Evening surf: Evening surf (20 Oct, local time) - 1.5ft (0.4m), 12s period with WSW swell.
The current surf forecast for Llantwit Major at 3PM is: 0.5m 12s primary swell from a West direction and 0.2m 9s secondary swell from a West direction (forecast issued at 12:00pm October 20). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Oct) | 1.5ft (0.4m) | 13s |
| Afternoon (20 Oct) | 1.5ft (0.5m) | 12s |
| Evening (20 Oct) | 1.5ft (0.4m) | 12s |
Table - waves today at Llantwit Major. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 60mm), heaviest during Thu night. Very mild (max 14°C on Thu night, min 8°C on Wed morning). Winds increasing (calm on Tue afternoon, near gales from the WNW by Wed morning). | |||||||||||||||||||||
Tue 20 | Wednesday 21 | Thursday 22 | |||||||||||||||||||
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) | WSW 12 | W 12 | W 12 | WSW 12 | WSW 12 | WSW 8 | WSW 8 | W 9 | W 12 | W 11 | W 10 | W 10 | W 9 | W 8 | W 8 | W 10 | W 10 | W 10 | W 10 | W 11 | W 11 |
Wave Graph | |||||||||||||||||||||
50 | 73 | 73 | 48 | 47 | 21 | 58 | 874 | 3384 | 3181 | 2267 | 1446 | 623 | 364 | 339 | 426 | 379 | 394 | 302 | 223 | 188 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross | cross | glassy | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross |
High Tide | 2:43PM6.36m | 3:30AM6.35m | 4:01PM6.82m | 4:33AM6.97m | 4:54PM7.52m | ||||||||||||||||
Low Tide | 8:24AM3.57m | 9:19PM3.33m | 9:48AM3.21m | 10:26PM2.80m | 10:46AM2.63m | ||||||||||||||||
7:45 | — | — | — | — | — | — | 7:47 | — | — | — | — | — | — | — | 7:48 | — | — | — | — | — | |
— | — | 6:10 | — | — | — | — | — | — | — | 6:08 | — | — | — | — | — | — | — | 6:07 | — | — | |
mm | 6 | 3 | — | — | — | 1 | 4 | 1 | 1 | 2 | 1 | — | 1 | 2 | 1 | — | — | — | 1 | 3 | 3 |
Temp °C | 9 | 10 | 10 | 11 | 10 | 11 | 12 | 10 | 8 | 9 | 11 | 12 | 11 | 12 | 11 | 11 | 12 | 13 | 13 | 13 | 13 |
Feels °C | 7 | 8 | 8 | 9 | 6 | 7 | 9 | 0 | -4 | -3 | -1 | 3 | 5 | 6 | 5 | 6 | 8 | 9 | 9 | 8 | 6 |
Swell 1 Height (m) Direction Period (s) | WSW 12 | W 12 | W 12 | WSW 12 | WSW 12 | WSW 8 | W 13 | — | — | — | — | — | W 9 | W 12 | W 11 | W 10 | W 10 | W 10 | W 10 | W 11 | W 11 |
50 | 73 | 73 | 48 | 47 | 21 | 13 | — | — | — | — | — | 623 | 73 | 65 | 426 | 379 | 394 | 302 | 223 | 188 | |
Swell 2 Height (m) Direction Period (s) | — | — | W 9 | W 12 | — | W 11 | W 11 | — | — | — | — | — | W 12 | — | — | — | W 11 | — | — | — | — |
— | — | 6 | 11 | — | 9 | 2 | — | — | — | — | — | 110 | — | — | — | 58 | — | — | — | — | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | W 13 | W 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
— | — | — | — | — | 14 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | S 2 | WSW 8 | W 9 | W 12 | W 11 | W 10 | W 10 | — | W 8 | W 8 | — | — | — | — | SSE 2 | SSE 3 |
— | — | — | — | — | 1 | 58 | 874 | 3384 | 3181 | 2267 | 1446 | — | 364 | 339 | — | — | — | — | 1 | 2 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 19 | 39 | 32 | 118 | 238 | 57 | 353 | 110 | 124 | 431 | 393 | 316 | 316 | 173 | 48 | 90 | 74 | 28 | 108 |
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)











