Surf Forecasts:
How big are the waves at Llantwit Major today (13 Sep):
- Morning surf: Morning surf (13 Sep, local time) - 3ft (0.9m), 7s period with W swell.
- Afternoon surf: Afternoon surf (13 Sep, local time) - 2.5ft (0.8m), 7s period with W swell.
- Evening surf: Evening surf (13 Sep, local time) - 2.5ft (0.8m), 10s period with W swell.
The current surf forecast for Llantwit Major at 3AM is: 1.1m 7s primary swell from a West direction and 0.4m 10s secondary swell from a West-southwest direction (forecast issued at 06:00pm September 12). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Sep) | 3ft (0.9m) | 7s |
| Afternoon (13 Sep) | 2.5ft (0.8m) | 7s |
| Evening (13 Sep) | 2.5ft (0.8m) | 10s |
Table - waves today at Llantwit Major. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 8mm), mostly falling on Sat night. Warm (max 20°C on Mon afternoon, min 17°C on Sat night). Winds decreasing (fresh winds from the WSW on Sat afternoon, light winds from the SW by Sun night). | |||||||||||||||||||
Sat 12 | Sunday 13 | Monday 14 | |||||||||||||||||
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 8 | W 8 | W 8 | W 7 | W 7 | W 7 | W 7 | W 7 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | WSW 9 | W 8 | W 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 181 | 217 | 193 | 160 | 127 | 97 | 77 | 74 | 64 | 151 | 120 | 92 | 88 | 60 | 79 | 78 | 26 | 71 | 66 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | on |
High Tide | 8:24PM10.19m | 8:43AM9.91m | 9:00PM10.03m | 9:18AM9.69m | 9:35PM9.62m | ||||||||||||||
Low Tide | 2:16PM0.24m | 2:35AM0.16m | 2:47PM0.25m | 3:06AM0.33m | 3:19PM0.47m | ||||||||||||||
 | |  |  | |  | |  | | |  | | | | | | | | | |
 | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — |
 | — | 7:36 | — | — | — | — | — | — | — | 7:34 | — | — | — | — | — | — | — | 7:31 | — |
mm | — | — | — | 1 | 2 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 18 | 18 | 18 | 18 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 19 | 20 | 20 | 19 |
Feels °C | 14 | 15 | 15 | 16 | 15 | 16 | 18 | 17 | 17 | 18 | 19 | 18 | 19 | 18 | 16 | 18 | 19 | 20 | 19 |
Swell 1 Height (m) Direction Period (s) | — | — | W 8 | W 8 | W 7 | W 7 | W 7 | W 7 | W 7 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | — | WSW 9 | W 8 | W 8 |
| kJ | — | — | 193 | 160 | 127 | 97 | 77 | 74 | 64 | 151 | 120 | 92 | 88 | 60 | 79 | — | 26 | 71 | 66 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | WSW 10 | WSW 10 | W 10 | WSW 10 | W 10 | — | — | — | — | — | — | — | — | W 9 | W 8 |
| kJ | — | — | — | — | 33 | 35 | 49 | 32 | 49 | — | — | — | — | — | — | — | — | 13 | 12 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 7 | W 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | W 9 | W 6 | — | — |
| kJ | 181 | 217 | — | — | — | — | — | — | — | — | — | — | — | — | — | 78 | 26 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 349 | 155 | 142 | 142 | 88 | 88 | 142 | 48 | 74 | 28 | 28 | 108 | 142 | 142 | 142 | 142 | 142 | 142 | 129 |
Best forecast wave conditions in Wales - South East | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
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