Surf Forecasts:
How big are the waves at Llantwit Major today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 3ft (0.9m), 10s period with W swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 2.5ft (0.8m), 10s period with W swell.
- Evening surf: Evening surf (20 Sep, local time) - 2ft (0.6m), 9s period with W swell.
The current surf forecast for Llantwit Major at 1PM is: 0.8m 10s primary swell from a West direction (forecast issued at 06:00am September 20). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | 3ft (0.9m) | 10s |
| Afternoon (20 Sep) | 2.5ft (0.8m) | 10s |
| Evening (20 Sep) | 2ft (0.6m) | 9s |
Table - waves today at Llantwit Major. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 20°C on Tue afternoon, min 14°C on Sun morning). Wind will be generally light. | |||||||||||||||||||||||
Sunday 20 | Monday 21 | Tuesday 22 | |||||||||||||||||||||
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 7 | W 7 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 9 | W 7 | WSW 7 | WSW 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 8 | W 8 | W 9 | W 10 | W 11 | W 11 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 78 | 73 | 153 | 118 | 85 | 80 | 59 | 57 | 40 | 27 | 17 | 17 | 16 | 17 | 9 | 9 | 10 | 10 | 10 | 26 | 55 | 65 | 89 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | cross | cross-on | cross-on | cross | glassy | glassy | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | cross-on |
High Tide | 1:05AM6.19m | 1:52PM6.13m | 2:52AM5.96m | 3:43PM6.24m | 4:25AM6.35m | 4:53PM6.84m | |||||||||||||||||
Low Tide | 7:20AM3.64m | 8:22PM3.70m | 9:12AM3.70m | 10:10PM3.45m | 10:40AM3.24m | ||||||||||||||||||
 |  | | |  | | | | | | | | | |  | | | | | | | | | |
 | 6:54 | — | — | — | — | — | — | — | 6:56 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:17 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:13 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 14 | 14 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 15 | 17 | 18 | 18 | 17 | 17 | 17 | 16 | 17 | 19 | 20 | 19 | 19 |
Feels °C | 13 | 11 | 11 | 12 | 13 | 13 | 12 | 13 | 13 | 12 | 13 | 15 | 16 | 17 | 16 | 17 | 17 | 16 | 17 | 19 | 19 | 19 | 19 |
Swell 1 Height (m) Direction Period (s) | W 10 | W 7 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 9 | W 7 | WSW 7 | WSW 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 8 | W 8 | W 9 | W 10 | W 11 | W 11 |
| kJ | 49 | 73 | 153 | 118 | 85 | 80 | 59 | 57 | 40 | 27 | 17 | 17 | 16 | 17 | 9 | 9 | 10 | 10 | 10 | 26 | 55 | 65 | 89 |
Swell 2 Height (m) Direction Period (s) | — | WSW 10 | W 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 19 | W 18 |
| kJ | — | 32 | 30 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 7 | 24 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 78 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 88 | 39 | 39 | 39 | 58 | 58 | 55 | 0 | 51 | 51 | 59 | 121 | 186 | 94 | 134 | 134 | 111 | 94 | 64 | 84 | 58 | 39 | 9 |
Best forecast wave conditions in Wales - South East | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
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