Surf Forecasts:
How big are the waves at Llantwit Major today (16 Sep):
- Morning surf: Morning surf (16 Sep, local time) - 4ft (1.2m), 10s period with W swell.
- Afternoon surf: Afternoon surf (16 Sep, local time) - 3.5ft (1.1m), 10s period with W swell.
- Evening surf: Evening surf (16 Sep, local time) - 3ft (0.9m), 6s period with W swell.
The current surf forecast for Llantwit Major at 12PM is: 1.1m 10s primary swell from a West direction and 0.9m 10s secondary swell from a West direction (forecast issued at 06:00am September 16). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Sep) | 4ft (1.2m) | 10s |
| Afternoon (16 Sep) | 3.5ft (1.1m) | 10s |
| Evening (16 Sep) | 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 Wed night. Very mild (max 17°C on Fri night, min 13°C on Thu night). Mainly fresh winds. | |||||||||||||||||||||||
Wednesday 16 | Thursday 17 | Friday 18 | |||||||||||||||||||||
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 8 | W 9 | W 10 | W 10 | W 10 | W 10 | W 10 | W 6 | W 6 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 6 | W 6 | W 7 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 140 | 211 | 277 | 242 | 252 | 75 | 52 | 38 | 88 | 153 | 195 | 206 | 206 | 188 | 158 | 113 | 142 | 113 | 113 | 111 | 112 | 135 | 200 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | on | on | on | on |
High Tide | 10:25AM8.68m | 10:43PM8.32m | 10:59AM8.00m | 11:18PM7.56m | 11:37AM7.28m | ||||||||||||||||||
Low Tide | 4:06AM1.21m | 4:22PM1.42m | 4:38AM1.82m | 4:57PM2.07m | 5:15AM2.48m | 5:40PM2.75m | |||||||||||||||||
 |  |  | | | |  |  | |  | | | |  | | | | | | | |  | | |
 | 6:48 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:27 | — | — | — | — | — | — | — | 7:24 | — | — | — | — | — | — | — | 7:22 | — |
mm | — | — | — | — | — | — | — | — | — | 2 | 1 | — | — | — | — | — | — | — | — | — | — | 1 | — |
Temp °C | 14 | 13 | 15 | 16 | 16 | 15 | 15 | 16 | 15 | 16 | 15 | 15 | 15 | 15 | 15 | 14 | 13 | 14 | 15 | 16 | 16 | 16 | 17 |
Feels °C | 11 | 10 | 12 | 12 | 10 | 10 | 11 | 10 | 9 | 11 | 10 | 9 | 9 | 9 | 10 | 10 | 9 | 11 | 11 | 11 | 10 | 10 | 13 |
Swell 1 Height (m) Direction Period (s) | W 8 | W 9 | W 10 | W 10 | — | W 10 | W 6 | WSW 10 | W 10 | W 10 | — | — | — | — | — | W 7 | W 7 | W 7 | — | — | — | W 12 | W 12 |
| kJ | 140 | 211 | 277 | 242 | — | 75 | 41 | 34 | 18 | 8 | — | — | — | — | — | 113 | 142 | 113 | — | — | — | 12 | 11 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | W 10 | — | — | — | — | — | — | — | — | W 9 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 52 | — | — | — | — | — | — | — | — | 44 | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | W 10 | W 10 | W 6 | — | W 6 | W 6 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | — | — | — | W 7 | W 7 | W 6 | W 6 | W 7 |
| kJ | — | — | — | 159 | 252 | 62 | — | 38 | 88 | 153 | 195 | 206 | 206 | 188 | 158 | — | — | — | 113 | 111 | 112 | 135 | 200 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 88 | 48 | 48 | 88 | 184 | 349 | 300 | 300 | 300 | 300 | 300 | 616 | 349 | 349 | 48 | 48 | 48 | 133 | 300 | 300 | 355 | 355 | 300 |
Best forecast wave conditions in Wales - South East | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
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