Surf Forecasts:
How big are the waves at Llantwit Major today (29 Aug):
- Morning surf: Morning surf (29 Aug, local time) - 1.5ft (0.4m), 6s period with WSW swell.
- Afternoon surf: Afternoon surf (29 Aug, local time) - 1.5ft (0.5m), 6s period with W swell.
- Evening surf: Evening surf (29 Aug, local time) - 4ft (1.2m), 5s period with W swell.
The current surf forecast for Llantwit Major at 8PM is: 0.6m 7s primary swell from a West direction (forecast issued at 12:00pm August 29). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Aug) | 1.5ft (0.4m) | 6s |
| Afternoon (29 Aug) | 1.5ft (0.5m) | 6s |
| Evening (29 Aug) | 4ft (1.2m) | 5s |
Table - waves today at Llantwit Major. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 37mm), heaviest during Sun afternoon. Warm (max 20°C on Sun morning, min 15°C on Sun afternoon). Winds decreasing (fresh winds from the W on Sat afternoon, calm by Sun afternoon). | |||||||||||||||||||||
Sat 29 | Sunday 30 | Monday 31 | |||||||||||||||||||
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 6 | WSW 6 | W 6 | W 7 | W 5 | W 9 | W 9 | W 8 | W 9 | WSW 9 | WSW 9 | WSW 8 | WSW 8 | WSW 8 | W 9 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 10 | 11 | 21 | 38 | 77 | 194 | 186 | 130 | 125 | 129 | 158 | 167 | 244 | 284 | 422 | 464 | 474 | 407 | 382 | 287 | 211 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | glassy | on | on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | cross-on |
High Tide | 8:13AM9.32m | 8:29PM9.73m | 8:47AM9.57m | 9:04PM9.88m | 9:22AM9.64m | 9:39PM9.80m | |||||||||||||||
Low Tide | 2:21PM0.65m | 2:40AM0.49m | 2:50PM0.49m | 3:09AM0.42m | 3:20PM0.49m | ||||||||||||||||
 | |  |  |  |  | | |  |  |  | |  |  | | |  | | | |  | |
 | 6:20 | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | — | — | — | 8:07 | — | — | — | — | — | — | — | 8:05 | — | — | — | — | — | — | — | 8:02 | — |
mm | 6 | 9 | 1 | — | — | — | — | — | — | 1 | 13 | 2 | 4 | 1 | — | — | — | — | — | — | — |
Temp °C | 17 | 18 | 19 | 18 | 16 | 16 | 16 | 16 | 18 | 20 | 15 | 17 | 15 | 16 | 15 | 15 | 15 | 16 | 16 | 16 | 15 |
Feels °C | 15 | 18 | 17 | 14 | 12 | 13 | 13 | 14 | 15 | 16 | 15 | 13 | 9 | 11 | 10 | 10 | 11 | 11 | 11 | 12 | 13 |
Swell 1 Height (m) Direction Period (s) | WSW 6 | WSW 6 | — | — | — | — | W 9 | W 8 | W 9 | W 9 | WSW 9 | — | — | — | — | — | — | — | — | — | W 9 |
| kJ | 10 | 11 | — | — | — | — | 186 | 130 | 125 | 78 | 158 | — | — | — | — | — | — | — | — | — | 211 |
Swell 2 Height (m) Direction Period (s) | W 8 | SSE 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 3 | — | W 6 | W 7 | W 5 | W 9 | W 9 | — | SW 2 | WSW 9 | — | WSW 8 | WSW 8 | WSW 8 | W 9 | W 10 | W 10 | W 10 | W 9 | W 9 | — |
| kJ | 4 | — | 21 | 38 | 77 | 194 | 125 | — | 1 | 129 | — | 167 | 244 | 284 | 422 | 464 | 474 | 407 | 382 | 287 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 261 | 21 | 58 | 215 | 90 | 90 | 134 | 108 | 74 | 321 | 0 | 216 | 110 | 173 | 597 | 316 | 83 | 88 | 173 | 88 | 40 |
Best forecast wave conditions in Wales - South East | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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