Surf Forecasts:
How big are the waves at Llantwit Major today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 1.5ft (0.5m), 7s period with W swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 1.5ft (0.4m), 7s period with WSW swell.
- Evening surf: Evening surf (21 Sep, local time) - 1.5ft (0.4m), 7s period with W swell.
The current surf forecast for Llantwit Major at 12AM is: 0.6m 9s primary swell from a West direction (forecast issued at 06:00pm September 20). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 1.5ft (0.5m) | 7s |
| Afternoon (21 Sep) | 1.5ft (0.4m) | 7s |
| Evening (21 Sep) | 1.5ft (0.4m) | 7s |
Table - waves today at Llantwit Major. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 20°C on Tue morning, min 14°C on Sun night). Wind will be generally light. | |||||||||||||||||||
Sun 20 | Monday 21 | Tuesday 22 | |||||||||||||||||
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 9 | W 9 | W 9 | W 9 | W 9 | W 7 | WSW 7 | WSW 7 | WSW 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 8 | W 9 | W 12 | W 11 | W 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 85 | 80 | 59 | 57 | 40 | 26 | 17 | 17 | 17 | 17 | 17 | 9 | 10 | 10 | 18 | 26 | 69 | 93 | 89 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | glassy | glassy | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 1:52PM6.13m | 2:52AM5.96m | 3:43PM6.24m | 4:25AM6.35m | 4:53PM6.84m | ||||||||||||||
Low Tide | 8:22PM3.70m | 9:12AM3.70m | 10:10PM3.45m | 10:40AM3.24m | |||||||||||||||
 | |  |  | |  | | | | | | | | | | | | | | |
 | — | — | — | — | 6:56 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — |
 | — | 7:17 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:13 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 15 | 14 | 14 | 14 | 14 | 15 | 17 | 19 | 18 | 18 | 17 | 17 | 17 | 17 | 20 | 20 | 19 | 19 |
Feels °C | 13 | 12 | 12 | 12 | 13 | 13 | 14 | 15 | 18 | 18 | 18 | 16 | 17 | 17 | 17 | 20 | 19 | 18 | 19 |
Swell 1 Height (m) Direction Period (s) | W 9 | W 9 | W 9 | W 9 | W 9 | W 7 | WSW 7 | WSW 7 | WSW 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 8 | W 9 | W 12 | W 11 | W 11 |
| kJ | 85 | 80 | 59 | 57 | 40 | 26 | 17 | 17 | 17 | 17 | 17 | 9 | 10 | 10 | 18 | 26 | 69 | 93 | 89 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 19 | W 17 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 7 | 24 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 58 | 58 | 55 | 0 | 51 | 59 | 100 | 142 | 194 | 94 | 94 | 94 | 94 | 94 | 64 | 55 | 58 | 15 | 15 |
Best forecast wave conditions in Wales - South East | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
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