Surf Forecasts:
How big are the waves at Llantwit Major today (11 Sep):
- Morning surf: Morning surf (11 Sep, local time) - 3.5ft (1.0m), 10s period with W swell.
- Afternoon surf: Afternoon surf (11 Sep, local time) - 2.5ft (0.8m), 9s period with W swell.
- Evening surf: Evening surf (11 Sep, local time) - 2.5ft (0.7m), 9s period with W swell.
The current surf forecast for Llantwit Major at 9AM is: 1.0m 10s primary swell from a West direction (forecast issued at 12:00am September 11). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Sep) | 3.5ft (1.0m) | 10s |
| Afternoon (11 Sep) | 2.5ft (0.8m) | 9s |
| Evening (11 Sep) | 2.5ft (0.7m) | 9s |
Table - waves today at Llantwit Major. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 16mm), heaviest on Sat night. Very mild (max 19°C on Sat morning, min 14°C on Fri night). Mainly fresh winds. | ||||||||||||||||||||||||
Friday 11 | Saturday 12 | Sunday 13 | ||||||||||||||||||||||
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 9 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 8 | W 8 | W 8 | W 8 | W 8 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 10 | W 10 | W 10 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 293 | 220 | 183 | 183 | 139 | 103 | 101 | 74 | 69 | 49 | 48 | 64 | 105 | 131 | 143 | 152 | 156 | 147 | 100 | 103 | 63 | 151 | 120 | 90 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 7:28AM9.61m | 7:46PM10.08m | 8:06AM9.89m | 8:24PM10.19m | 8:43AM9.91m | 9:00PM10.03m | ||||||||||||||||||
Low Tide | 1:29AM0.48m | 1:42PM0.46m | 2:04AM0.20m | 2:16PM0.24m | 2:35AM0.16m | 2:47PM0.25m | ||||||||||||||||||
 |  |  | | | | | | | |  | | |  |  |  |  | |  | | | | | | |
 | — | 6:41 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:38 | — | — | — | — | — | — | — | 7:36 | — | — | — | — | — | — | — | 7:34 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 6 | 7 | 1 | — | — | — | — | — |
Temp °C | 18 | 17 | 16 | 16 | 17 | 17 | 16 | 14 | 14 | 14 | 14 | 16 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 17 | 18 | 17 | 17 | 17 |
Feels °C | 15 | 16 | 15 | 14 | 15 | 14 | 14 | 13 | 13 | 12 | 11 | 12 | 14 | 15 | 15 | 15 | 14 | 15 | 17 | 15 | 16 | 15 | 16 | 17 |
Swell 1 Height (m) Direction Period (s) | W 9 | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 8 | W 8 | W 8 | — | — | — | — | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 10 | W 10 | W 10 |
| kJ | 293 | 220 | 183 | 183 | 139 | 103 | 101 | 74 | 69 | 49 | 48 | — | — | — | — | 152 | 156 | 147 | 100 | 103 | 63 | 151 | 120 | 90 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WSW 10 | W 10 | W 10 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 32 | 18 | 49 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | WNW 2 | — | — | — | — | — | W 8 | W 8 | W 7 | W 7 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | 1 | — | — | — | — | — | 64 | 105 | 131 | 143 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 84 | 48 | 15 | 39 | 39 | 40 | 101 | 40 | 57 | 108 | 129 | 142 | 323 | 300 | 142 | 142 | 286 | 134 | 88 | 58 | 88 | 101 | 88 | 118 |
Best forecast wave conditions in Wales - South East | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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