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 W 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 2PM is: 0.4m 7s primary swell from a West-southwest direction (forecast issued at 06:00am September 21). The wind direction is predicted to be cross-onshore.
| 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 10°C on Wed night). Winds increasing (calm on Mon morning, fresh winds from the NW by Wed afternoon). | |||||||||||||||||||||||
Monday 21 | Tuesday 22 | Wednesday 23 | |||||||||||||||||||||
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 7 | WSW 7 | WSW 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 8 | W 9 | W 11 | W 11 | W 11 | W 11 | W 11 | W 14 | W 14 | W 14 | W 13 | W 13 | W 13 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 40 | 26 | 17 | 17 | 16 | 17 | 9 | 9 | 10 | 10 | 18 | 26 | 66 | 93 | 89 | 86 | 112 | 107 | 101 | 132 | 87 | 166 | 117 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-off | cross | cross-off | off |
High Tide | 2:52AM5.96m | 3:43PM6.24m | 4:25AM6.35m | 4:53PM6.84m | 5:20AM7.03m | 5:39PM7.59m | |||||||||||||||||
Low Tide | 9:12AM3.70m | 10:10PM3.45m | 10:40AM3.24m | 11:16PM2.84m | 11:34AM2.58m | ||||||||||||||||||
 |  |  |  | | |  | | | | | | | | | | | | | | | | | |
 | 6:56 | — | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — |
 | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:13 | — | — | — | — | — | — | — | 7:10 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 15 | 16 | 17 | 19 | 18 | 18 | 17 | 17 | 17 | 17 | 20 | 20 | 19 | 19 | 18 | 18 | 17 | 17 | 18 | 16 | 14 | 13 |
Feels °C | 13 | 14 | 16 | 16 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 20 | 20 | 18 | 19 | 18 | 17 | 16 | 15 | 16 | 10 | 10 | 10 |
Swell 1 Height (m) Direction Period (s) | W 9 | W 7 | WSW 7 | WSW 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 8 | W 9 | W 11 | W 11 | W 11 | W 11 | W 11 | W 10 | W 10 | W 9 | W 13 | W 13 | W 13 |
| kJ | 40 | 26 | 17 | 17 | 16 | 17 | 9 | 9 | 10 | 10 | 18 | 26 | 66 | 93 | 89 | 86 | 112 | 102 | 65 | 58 | 87 | 166 | 117 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | W 19 | W 17 | W 15 | WSW 15 | W 14 | W 14 | W 14 | W 8 | — | NW 4 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 7 | 23 | 17 | 78 | 107 | 101 | 132 | 36 | — | 7 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WSW 17 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 30 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 3 | NW 4 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 3 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 51 | 59 | 51 | 197 | 197 | 194 | 94 | 94 | 94 | 94 | 64 | 121 | 40 | 15 | 15 | 15 | 39 | 28 | 48 | 0 | 133 | 127 | 0 |
Best forecast wave conditions in Wales - South East | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
Header Global | |||||||||||||||||||||||
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