Surf Forecasts:
How big are the waves at Llantwit Major today (31 Aug):
- Morning surf: Morning surf (31 Aug, local time) - 5ft (1.6m), 9s period with W swell.
- Afternoon surf: Afternoon surf (31 Aug, local time) - 5ft (1.5m), 10s period with W swell.
- Evening surf: Evening surf (31 Aug, local time) - 4ft (1.2m), 10s period with W swell.
The current surf forecast for Llantwit Major at 3AM is: 1.6m 9s primary swell from a West direction (forecast issued at 06:00pm August 30). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Aug) | 5ft (1.6m) | 9s |
| Afternoon (31 Aug) | 5ft (1.5m) | 10s |
| Evening (31 Aug) | 4ft (1.2m) | 10s |
Table - waves today at Llantwit Major. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 18mm), heaviest on Sun afternoon. Very mild (max 18°C on Tue morning, min 15°C on Mon night). Mainly fresh winds. | |||||||||||||||||||
Sun 30 | Monday 31 | Tuesday 1 | |||||||||||||||||
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 9 | WSW 8 | WSW 8 | WSW 8 | W 9 | W 9 | W 9 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 9 | W 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 144 | 167 | 216 | 293 | 435 | 399 | 392 | 424 | 424 | 369 | 268 | 186 | 148 | 106 | 78 | 76 | 74 | 71 | 47 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on |
High Tide | 9:04PM9.88m | 9:22AM9.64m | 9:39PM9.80m | 9:58AM9.49m | |||||||||||||||
Low Tide | 2:50PM0.49m | 3:09AM0.42m | 3:20PM0.49m | 3:39AM0.52m | 3:52PM0.66m | ||||||||||||||
 |  |  | |  |  | |  | | |  | |  | | |  | | | | |
 | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | — | 8:05 | — | — | — | — | — | — | — | 8:02 | — | — | — | — | — | — | — | 8:00 | — |
mm | 6 | 6 | 4 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 16 | 18 | 18 | 17 | 17 |
Feels °C | 13 | 14 | 11 | 11 | 11 | 11 | 12 | 11 | 11 | 11 | 13 | 14 | 12 | 13 | 13 | 15 | 14 | 15 | 15 |
Swell 1 Height (m) Direction Period (s) | W 9 | — | — | — | — | — | — | — | — | — | W 10 | W 10 | W 10 | W 9 | W 9 | — | — | — | W 8 |
| kJ | 76 | — | — | — | — | — | — | — | — | — | 268 | 186 | 148 | 106 | 78 | — | — | — | 47 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 9 | WSW 8 | WSW 8 | WSW 8 | W 9 | W 9 | W 9 | W 10 | W 10 | W 10 | — | — | — | — | — | W 9 | W 9 | W 9 | — |
| kJ | 144 | 167 | 216 | 293 | 435 | 399 | 392 | 424 | 424 | 369 | — | — | — | — | — | 76 | 74 | 71 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 216 | 316 | 108 | 90 | 173 | 649 | 797 | 84 | 90 | 84 | 127 | 40 | 40 | 39 | 118 | 155 | 191 | 177 | 108 |
Best forecast wave conditions in Wales - South East | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
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