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) - 2ft (0.6m), 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 1PM is: 0.4m 6s primary swell from a West-southwest direction and 0.3m 3s secondary swell from a South-southeast direction (forecast issued at 06:00am August 29). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Aug) | 1.5ft (0.4m) | 6s |
| Afternoon (29 Aug) | 2ft (0.6m) | 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 26mm), heaviest during Sat morning. Warm (max 20°C on Sun morning, min 14°C on Sun night). Winds decreasing (fresh winds from the WSW on Sun night, light winds from the WSW by Mon night). | |||||||||||||||||||||||
Saturday 29 | Sunday 30 | Monday 31 | |||||||||||||||||||||
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 6 | W 6 | WSW 6 | WSW 6 | W 6 | W 4 | W 6 | W 9 | W 9 | W 8 | WSW 9 | WSW 9 | WSW 9 | WSW 8 | WSW 8 | W 8 | W 9 | W 9 | W 9 | W 9 | W 9 | W 10 | W 10 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 17 | 17 | 10 | 11 | 28 | 46 | 115 | 194 | 150 | 133 | 129 | 137 | 172 | 202 | 235 | 283 | 364 | 434 | 480 | 417 | 332 | 262 | 186 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | cross-on | cross-on | cross | cross | cross-on | 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 | 2:12AM0.73m | 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 | — | 2 | 6 | 10 | 1 | — | — | — | — | — | — | 1 | 3 | 1 | 3 | 1 | — | — | — | — | — | — | — |
Temp °C | 17 | 16 | 17 | 18 | 19 | 19 | 16 | 16 | 16 | 16 | 19 | 20 | 17 | 17 | 16 | 15 | 15 | 14 | 14 | 16 | 16 | 16 | 15 |
Feels °C | 15 | 14 | 16 | 17 | 17 | 15 | 12 | 13 | 14 | 14 | 16 | 16 | 13 | 13 | 10 | 10 | 10 | 8 | 8 | 10 | 10 | 12 | 13 |
Swell 1 Height (m) Direction Period (s) | W 6 | W 6 | WSW 6 | WSW 6 | — | — | WSW 10 | W 9 | W 9 | W 8 | WSW 9 | W 9 | — | — | — | — | — | — | — | — | — | — | W 10 |
| kJ | 17 | 17 | 10 | 11 | — | — | 10 | 194 | 150 | 133 | 129 | 78 | — | — | — | — | — | — | — | — | — | — | 186 |
Swell 2 Height (m) Direction Period (s) | — | — | W 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 2 | S 2 | SSE 3 | SSE 3 | W 6 | W 4 | W 6 | W 6 | — | — | — | WSW 9 | WSW 9 | WSW 8 | WSW 8 | W 8 | W 9 | W 9 | W 9 | W 9 | W 9 | W 10 | — |
| kJ | 1 | 1 | 4 | 2 | 28 | 46 | 115 | 53 | — | — | — | 137 | 172 | 202 | 235 | 283 | 364 | 434 | 480 | 417 | 332 | 262 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 238 | 238 | 393 | 21 | 263 | 215 | 90 | 40 | 83 | 74 | 28 | 465 | 321 | 511 | 90 | 611 | 706 | 271 | 349 | 84 | 173 | 129 | 40 |
Best forecast wave conditions in Wales - South East | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
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