Surf Forecasts:
How big are the waves at Llantwit Major today (12 Sep):
- Morning surf: Morning surf (12 Sep, local time) - 2ft (0.6m), 8s period with W swell.
- Afternoon surf: Afternoon surf (12 Sep, local time) - 3.5ft (1.1m), 7s period with W swell.
- Evening surf: Evening surf (12 Sep, local time) - 4.5ft (1.3m), 7s period with W swell.
The current surf forecast for Llantwit Major at 4AM is: 0.6m 8s primary swell from a West direction (forecast issued at 12:00am September 12). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Sep) | 2ft (0.6m) | 8s |
| Afternoon (12 Sep) | 3.5ft (1.1m) | 7s |
| Evening (12 Sep) | 4.5ft (1.3m) | 7s |
Table - waves today at Llantwit Major. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 17mm), heaviest on Sat night. Warm (max 21°C on Mon afternoon, min 13°C on Fri night). Winds decreasing (fresh winds from the WSW on Sat afternoon, light winds from the WSW by Sun night). | ||||||||||||||||||||||||
Saturday 12 | Sunday 13 | Monday 14 | ||||||||||||||||||||||
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 | 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 8 | W 8 | W 8 | W 8 | W 7 | W 7 | W 7 | 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 9 | W 8 | W 6 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 69 | 49 | 48 | 64 | 105 | 128 | 168 | 183 | 160 | 127 | 117 | 94 | 79 | 83 | 154 | 120 | 92 | 88 | 60 | 79 | 26 | 76 | 66 | 31 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | 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 | on |
High Tide | 8:06AM9.89m | 8:24PM10.19m | 8:43AM9.91m | 9:00PM10.03m | 9:18AM9.69m | 9:35PM9.62m | ||||||||||||||||||
Low Tide | 2:04AM0.20m | 2:16PM0.24m | 2:35AM0.16m | 2:47PM0.25m | 3:06AM0.33m | 3:19PM0.47m | ||||||||||||||||||
 | |  |  | | | |  | |  |  | |  | | |  | |  | |  | | | | | |
 | — | 6:43 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:36 | — | — | — | — | — | — | — | 7:34 | — | — | — | — | — | — | — | 7:31 | — |
mm | — | — | — | — | — | — | — | 1 | 1 | 8 | 6 | — | — | — | — | — | — | — | — | 1 | — | — | — | — |
Temp °C | 14 | 14 | 13 | 15 | 18 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 18 | 18 | 18 | 19 | 20 | 21 | 20 | 18 |
Feels °C | 12 | 12 | 9 | 11 | 13 | 14 | 14 | 14 | 15 | 15 | 17 | 17 | 16 | 16 | 17 | 17 | 18 | 19 | 18 | 19 | 20 | 20 | 19 | 17 |
Swell 1 Height (m) Direction Period (s) | W 8 | W 8 | W 8 | — | — | — | — | W 7 | W 8 | W 7 | W 7 | W 7 | WSW 10 | WSW 10 | W 10 | W 10 | W 10 | W 10 | W 9 | W 9 | WSW 9 | W 9 | W 8 | W 6 |
| kJ | 69 | 49 | 48 | — | — | — | — | 183 | 160 | 127 | 117 | 94 | 33 | 32 | 154 | 120 | 92 | 88 | 60 | 79 | 26 | 76 | 66 | 31 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | W 10 | WSW 10 | WSW 10 | — | — | — | — | — | — | — | — | — | — | — | WSW 8 |
| kJ | — | — | — | — | — | — | — | — | — | 32 | 35 | 33 | — | — | — | — | — | — | — | — | — | — | — | 23 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | W 8 | W 8 | W 7 | W 7 | — | — | — | — | — | W 7 | W 7 | — | — | — | — | — | — | W 6 | — | — | — |
| kJ | — | — | — | 64 | 105 | 128 | 168 | — | — | — | — | — | 79 | 83 | — | — | — | — | — | — | 23 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 118 | 129 | 95 | 155 | 370 | 300 | 155 | 142 | 155 | 170 | 40 | 40 | 58 | 101 | 88 | 28 | 88 | 60 | 142 | 142 | 142 | 142 | 142 | 132 |
Best forecast wave conditions in Wales - South East | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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