Surf Forecasts:
How big are the waves at Llantwit Major today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 3.5ft (1.1m), 7s period with W swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 3ft (0.9m), 6s period with W swell.
- Evening surf: Evening surf (18 Aug, local time) - 2.5ft (0.8m), 6s period with W swell.
The current surf forecast for Llantwit Major at 2PM is: 1.0m 6s primary swell from a West direction (forecast issued at 06:00am August 18). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 3.5ft (1.1m) | 7s |
| Afternoon (18 Aug) | 3ft (0.9m) | 6s |
| Evening (18 Aug) | 2.5ft (0.8m) | 6s |
Table - waves today at Llantwit Major. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Tue night. Very mild (max 19°C on Tue morning, min 11°C on Thu night). Winds decreasing (fresh winds from the W on Tue afternoon, light winds from the W by Tue night). | |||||||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | |||||||||||||||||||||
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 5 | W 6 | W 7 | W 7 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 6 | W 4 | W 5 | W 6 | W 6 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 33 | 75 | 111 | 86 | 64 | 61 | 50 | 51 | 50 | 53 | 38 | 36 | 36 | 64 | 66 | 100 | 142 | 150 | 126 | 96 | 138 | 69 | 56 |
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 | cross-on | cross-on | cross-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-on | off |
High Tide | 11:03AM8.57m | 11:22PM8.36m | 11:41AM7.90m | 00:02AM7.58m | 12:23PM7.20m | ||||||||||||||||||
Low Tide | 4:49AM1.20m | 5:03PM1.47m | 5:24AM1.81m | 5:41PM2.10m | 6:03AM2.46m | 6:27PM2.74m | |||||||||||||||||
 |  |  | | |  | |  |  | |  | | | |  |  | | | | | | | | |
 | 6:03 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — |
 | — | — | — | — | — | 8:30 | — | — | — | — | — | — | — | 8:29 | — | — | — | — | — | — | — | 8:27 | — |
mm | — | 1 | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 19 | 19 | 19 | 19 | 18 | 17 | 16 | 15 | 14 | 17 | 18 | 18 | 17 | 16 | 16 | 15 | 14 | 16 | 18 | 18 | 19 | 15 |
Feels °C | 17 | 18 | 17 | 15 | 14 | 13 | 14 | 15 | 13 | 13 | 15 | 14 | 12 | 12 | 12 | 12 | 12 | 11 | 13 | 13 | 13 | 15 | 12 |
Swell 1 Height (m) Direction Period (s) | — | — | W 7 | — | — | — | — | W 6 | W 6 | W 6 | W 6 | W 9 | — | — | W 9 | W 6 | W 7 | W 7 | W 7 | WSW 9 | — | W 9 | W 7 |
| kJ | — | — | 111 | — | — | — | — | 51 | 50 | 53 | 38 | 7 | — | — | 7 | 100 | 142 | 150 | 126 | 28 | — | 57 | 56 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 9 | — | — | — | — | — | — | W 9 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — | 41 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 16 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 5 | W 6 | W 7 | W 7 | W 6 | W 6 | W 6 | — | — | — | — | W 6 | W 4 | W 5 | W 6 | — | — | — | — | W 7 | W 7 | W 7 | — |
| kJ | 33 | 75 | 73 | 86 | 64 | 61 | 50 | — | — | — | — | 36 | 36 | 64 | 66 | — | — | — | — | 96 | 138 | 69 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 215 | 48 | 173 | 452 | 452 | 349 | 349 | 39 | 39 | 39 | 58 | 238 | 349 | 136 | 146 | 173 | 90 | 39 | 88 | 88 | 88 | 43 | 0 |
Best forecast wave conditions in Wales - South East | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
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