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) - 3ft (0.9m), 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 11AM is: 0.9m 10s primary swell from a West direction (forecast issued at 06:00am September 11). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Sep) | 3.5ft (1.0m) | 10s |
| Afternoon (11 Sep) | 3ft (0.9m) | 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 10mm), heaviest on Sat night. Very mild (max 19°C on Sat morning, min 13°C on Fri night). Mainly fresh winds. | |||||||||||||||||||||||
Friday 11 | Saturday 12 | Sunday 13 | |||||||||||||||||||||
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 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 9 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 220 | 183 | 148 | 139 | 103 | 101 | 74 | 69 | 49 | 48 | 48 | 105 | 124 | 159 | 147 | 152 | 152 | 147 | 100 | 80 | 148 | 117 | 113 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | 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 | 4 | 4 | — | — | — | — | — |
Temp °C | 16 | 15 | 16 | 17 | 17 | 16 | 14 | 14 | 13 | 14 | 16 | 19 | 19 | 18 | 18 | 17 | 18 | 18 | 17 | 18 | 18 | 17 | 17 |
Feels °C | 14 | 14 | 14 | 15 | 15 | 14 | 12 | 13 | 11 | 10 | 12 | 15 | 15 | 14 | 14 | 13 | 15 | 16 | 14 | 15 | 15 | 16 | 17 |
Swell 1 Height (m) Direction Period (s) | W 10 | W 10 | W 10 | W 9 | W 9 | W 9 | W 9 | W 8 | W 8 | W 8 | W 8 | — | — | — | W 7 | W 7 | W 7 | W 7 | W 7 | WSW 10 | W 10 | W 10 | W 9 |
| kJ | 220 | 183 | 148 | 139 | 103 | 101 | 74 | 69 | 49 | 48 | 48 | — | — | — | 147 | 152 | 152 | 147 | 100 | 31 | 148 | 117 | 113 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 10 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 31 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | W 8 | W 7 | W 7 | — | — | — | — | — | W 7 | W 7 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 105 | 124 | 159 | — | — | — | — | — | 80 | 67 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 48 | 15 | 15 | 39 | 39 | 40 | 40 | 118 | 108 | 118 | 142 | 300 | 300 | 155 | 155 | 155 | 173 | 173 | 58 | 88 | 355 | 88 | 118 |
Best forecast wave conditions in Wales - South East | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
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