Surf Forecasts:
How big are the waves at Llantwit Major today (15 Sep):
- Morning surf: Morning surf (15 Sep, local time) - 3.5ft (1.1m), 7s period with W swell.
- Afternoon surf: Afternoon surf (15 Sep, local time) - 4.5ft (1.3m), 7s period with W swell.
- Evening surf: Evening surf (15 Sep, local time) - 3.5ft (1.1m), 7s period with W swell.
The current surf forecast for Llantwit Major at 4PM is: 1.3m 7s primary swell from a West direction (forecast issued at 12:00pm September 15). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Sep) | 3.5ft (1.1m) | 7s |
| Afternoon (15 Sep) | 4.5ft (1.3m) | 7s |
| Evening (15 Sep) | 3.5ft (1.1m) | 7s |
Table - waves today at Llantwit Major. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Wed night. Very mild (max 17°C on Tue morning, min 12°C on Thu night). Winds increasing (light winds from the NW on Tue night, fresh winds from the WSW by Wed night). | |||||||||||||||||||||
Tue 15 | Wednesday 16 | Thursday 17 | |||||||||||||||||||
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 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 8 | W 9 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 6 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 138 | 162 | 153 | 131 | 113 | 99 | 135 | 249 | 277 | 237 | 247 | 77 | 52 | 52 | 106 | 179 | 235 | 243 | 206 | 194 | 158 |
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 | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross | cross-on | cross-on | cross-on | cross-on |
High Tide | 9:52AM9.26m | 10:09PM9.03m | 10:25AM8.68m | 10:43PM8.32m | 10:59AM8.00m | ||||||||||||||||
Low Tide | 3:50PM0.88m | 4:06AM1.21m | 4:22PM1.42m | 4:38AM1.82m | 4:57PM2.07m | ||||||||||||||||
 | | | |  | | |  |  | | | |  |  | |  |  | | | | | |
 | 6:47 | — | — | — | — | — | 6:48 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — |
 | — | — | — | 7:29 | — | — | — | — | — | — | — | 7:27 | — | — | — | — | — | — | — | 7:24 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 1 | — | — | — | — |
Temp °C | 16 | 17 | 16 | 16 | 15 | 15 | 13 | 13 | 14 | 16 | 15 | 15 | 15 | 16 | 15 | 16 | 16 | 16 | 15 | 15 | 14 |
Feels °C | 11 | 11 | 10 | 12 | 12 | 12 | 10 | 10 | 10 | 12 | 10 | 10 | 10 | 10 | 9 | 10 | 11 | 10 | 9 | 9 | 9 |
Swell 1 Height (m) Direction Period (s) | W 11 | — | — | — | W 7 | W 7 | W 8 | W 9 | W 10 | — | — | W 10 | W 6 | W 10 | — | W 10 | — | — | — | — | — |
| kJ | 2 | — | — | — | 113 | 99 | 135 | 249 | 277 | — | — | 77 | 48 | 52 | — | 18 | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | W 10 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 52 | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 7 | W 7 | W 7 | W 7 | W 7 | — | — | — | — | W 10 | W 10 | W 6 | — | W 6 | W 6 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 |
| kJ | 138 | 162 | 153 | 131 | 76 | — | — | — | — | 237 | 247 | 62 | — | 38 | 106 | 179 | 235 | 243 | 206 | 194 | 158 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 349 | 396 | 349 | 1305 | 39 | 39 | 43 | 40 | 39 | 88 | 349 | 161 | 286 | 300 | 300 | 300 | 424 | 616 | 616 | 404 | 187 |
Best forecast wave conditions in Wales - South East | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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