Surf Forecasts:
How big are the waves at Llantwit Major today (30 Aug):
- Morning surf: Morning surf (30 Aug, local time) - 3ft (0.9m), 9s period with WSW swell.
- Afternoon surf: Afternoon surf (30 Aug, local time) - 3ft (0.9m), 9s period with WSW swell.
- Evening surf: Evening surf (30 Aug, local time) - 3.5ft (1.1m), 8s period with WSW swell.
The current surf forecast for Llantwit Major at 2PM is: 0.9m 9s primary swell from a West-southwest direction and 0.4m 3s secondary swell from a Southwest direction (forecast issued at 06:00am August 30). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Aug) | 3ft (0.9m) | 9s |
| Afternoon (30 Aug) | 3ft (0.9m) | 9s |
| Evening (30 Aug) | 3.5ft (1.1m) | 8s |
Table - waves today at Llantwit Major. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 14mm), heaviest on Sun afternoon. Warm (max 20°C on Sun morning, min 15°C on Sun night). Winds decreasing (fresh winds from the SW on Sun night, light winds from the WSW by Mon night). | |||||||||||||||||||||||
Sunday 30 | Monday 31 | Tuesday 1 | |||||||||||||||||||||
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 9 | W 8 | WSW 9 | WSW 9 | WSW 9 | WSW 8 | WSW 8 | WSW 9 | W 9 | W 9 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 8 | W 8 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 154 | 140 | 129 | 132 | 172 | 167 | 180 | 258 | 395 | 367 | 407 | 415 | 415 | 312 | 225 | 186 | 148 | 108 | 78 | 76 | 97 | 69 | 47 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 8:47AM9.57m | 9:04PM9.88m | 9:22AM9.64m | 9:39PM9.80m | 9:58AM9.49m | ||||||||||||||||||
Low Tide | 2:40AM0.49m | 2:50PM0.49m | 3:09AM0.42m | 3:20PM0.49m | 3:39AM0.52m | 3:52PM0.66m | |||||||||||||||||
 |  | |  | | |  | | |  | | | |  |  |  | | | | | | | | |
 | 6:22 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | — | — | — | — | — | 8:05 | — | — | — | — | — | — | — | 8:02 | — | — | — | — | — | — | — | 8:00 | — |
mm | — | — | — | 2 | 5 | 2 | 3 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 16 | 18 | 20 | 17 | 17 | 16 | 16 | 15 | 15 | 16 | 15 | 16 | 16 | 15 | 15 | 15 | 15 | 16 | 18 | 18 | 17 | 16 |
Feels °C | 12 | 14 | 15 | 16 | 14 | 13 | 10 | 11 | 10 | 10 | 12 | 10 | 10 | 12 | 12 | 13 | 12 | 13 | 13 | 14 | 14 | 14 | 14 |
Swell 1 Height (m) Direction Period (s) | W 9 | W 8 | WSW 9 | WSW 9 | — | — | — | — | — | — | — | — | — | — | W 10 | W 10 | W 10 | W 9 | W 9 | — | — | — | W 8 |
| kJ | 154 | 140 | 129 | 132 | — | — | — | — | — | — | — | — | — | — | 225 | 186 | 148 | 108 | 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) | — | — | — | SW 3 | WSW 9 | WSW 8 | WSW 8 | WSW 9 | W 9 | W 9 | W 10 | W 10 | W 10 | W 10 | — | — | — | — | — | W 9 | W 9 | W 8 | — |
| kJ | — | — | — | 2 | 172 | 167 | 180 | 258 | 395 | 367 | 407 | 415 | 415 | 312 | — | — | — | — | — | 76 | 97 | 69 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 108 | 74 | 237 | 461 | 321 | 216 | 108 | 90 | 663 | 83 | 95 | 84 | 90 | 133 | 118 | 74 | 40 | 40 | 133 | 191 | 191 | 132 | 129 |
Best forecast wave conditions in Wales - South East | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
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