Surf Forecasts:
How big are the waves at Llantwit Major today (19 Aug):
- Morning surf: Morning surf (19 Aug, local time) - 2.5ft (0.7m), 6s period with W swell.
- Afternoon surf: Afternoon surf (19 Aug, local time) - 3ft (0.9m), 5s period with W swell.
- Evening surf: Evening surf (19 Aug, local time) - 3ft (0.9m), 6s period with W swell.
The current surf forecast for Llantwit Major at 10AM is: 0.7m 6s primary swell from a West direction (forecast issued at 06:00am August 19). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Aug) | 2.5ft (0.7m) | 6s |
| Afternoon (19 Aug) | 3ft (0.9m) | 5s |
| Evening (19 Aug) | 3ft (0.9m) | 6s |
Table - waves today at Llantwit Major. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Thu afternoon. Very mild (max 19°C on Thu afternoon, min 12°C on Thu night). Winds decreasing (fresh winds from the W on Wed afternoon, calm by Fri morning). | |||||||||||||||||||||||
Wednesday 19 | Thursday 20 | Friday 21 | |||||||||||||||||||||
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 | W 6 | W 6 | W 4 | W 5 | W 6 | W 7 | W 7 | W 8 | W 8 | W 7 | W 7 | W 7 | W 7 | W 6 | WSW 9 | W 6 | W 8 | W 8 | W 8 | W 6 | W 8 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 50 | 50 | 36 | 32 | 46 | 49 | 52 | 85 | 142 | 135 | 160 | 150 | 178 | 121 | 70 | 47 | 28 | 21 | 51 | 33 | 48 | 28 | 6 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | glassy | glassy | glassy | cross-on | cross-on | cross | cross-off |
High Tide | 11:41AM7.90m | 00:02AM7.58m | 12:23PM7.20m | 00:50AM6.85m | 1:20PM6.59m | ||||||||||||||||||
Low Tide | 5:24AM1.81m | 5:41PM2.10m | 6:03AM2.46m | 6:27PM2.74m | 6:54AM3.07m | 7:29PM3.29m | |||||||||||||||||
 |  |  | | | |  |  | | | | |  | |  | | |  | | | | | | |
 | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — |
 | — | — | — | — | — | 8:29 | — | — | — | — | — | — | — | 8:27 | — | — | — | — | — | — | — | 8:24 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | 1 | — | — |
Temp °C | 16 | 16 | 17 | 18 | 18 | 17 | 16 | 16 | 15 | 14 | 17 | 18 | 19 | 18 | 14 | 13 | 12 | 13 | 15 | 16 | 17 | 17 | 14 |
Feels °C | 14 | 15 | 15 | 14 | 12 | 12 | 12 | 13 | 12 | 11 | 13 | 14 | 14 | 14 | 12 | 11 | 11 | 12 | 15 | 14 | 12 | 13 | 10 |
Swell 1 Height (m) Direction Period (s) | W 6 | W 6 | W 6 | W 9 | — | — | W 6 | W 9 | W 7 | W 8 | — | — | — | W 9 | W 7 | W 6 | W 6 | W 6 | W 8 | W 8 | — | W 8 | W 5 |
| kJ | 50 | 50 | 36 | 6 | — | — | 52 | 2 | 142 | 135 | — | — | — | 44 | 70 | 47 | 28 | 21 | 51 | 33 | — | 5 | 5 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | W 9 | W 16 | — | — | — | — | — | — | W 9 | W 9 | WSW 9 | W 9 | — | — | — | — | W 8 |
| kJ | — | — | — | — | — | — | 7 | 5 | — | — | — | — | — | — | 59 | 42 | 27 | 14 | — | — | — | — | 5 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | W 6 | W 4 | W 5 | — | W 7 | — | — | W 8 | W 7 | W 7 | W 7 | — | — | — | — | — | NW 4 | W 8 | W 6 | WNW 4 |
| kJ | — | — | — | 32 | 46 | 49 | — | 85 | — | — | 160 | 150 | 178 | 121 | — | — | — | — | — | 3 | 48 | 28 | 6 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 40 | 39 | 359 | 349 | 459 | 458 | 187 | 300 | 173 | 39 | 88 | 48 | 616 | 40 | 0 | 0 | 0 | 19 | 39 | 349 | 127 | 197 | 197 |
Best forecast wave conditions in Wales - South East | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
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