Surf Forecasts:
How big are the waves at Llanddwyn Island today (15 Oct):
- Afternoon surf: Afternoon surf (15 Oct, local time) - 7.5ft (2.3m), 8s period with SW swell.
- Evening surf: Evening surf (15 Oct, local time) - 3ft (0.9m), 8s period with SW swell.
The current surf forecast for Llanddwyn Island at 9PM is: 0.9m 8s primary swell from a Southwest direction and 0.2m 13s secondary swell from a West-southwest direction (forecast issued at 06:00pm October 15). An open ocean swell of 0.2m 3s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Oct) | - | - |
| Afternoon (15 Oct) | 7.5ft (2.3m) | 8s |
| Evening (15 Oct) | 3ft (0.9m) | 8s |
Table - waves today at Llanddwyn Island. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 9mm), mostly falling on Thu afternoon. Very mild (max 12°C on Thu afternoon, min 9°C on Sat night). Wind will be generally light. | |||||||||||||||||||
Thu 15 | Friday 16 | Saturday 17 | |||||||||||||||||
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) | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 7 | NW 5 | WNW 5 | NW 5 | SW 7 | SW 7 | SW 7 | WSW 7 | NW 5 | NW 5 | NW 4 | SW 7 | W 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 223 | 155 | 101 | 73 | 48 | 35 | 27 | 51 | 40 | 31 | 14 | 11 | 7 | 5 | 9 | 4 | 3 | 2 | 2 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | glassy | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | cross-off |
High Tide | 00:52AM3.39m | 1:06PM3.39m | 1:35AM3.06m | 1:53PM3.11m | |||||||||||||||
Low Tide | 7:22PM0.74m | 7:37AM1.06m | 8:04PM1.03m | 8:20AM1.33m | 8:56PM1.30m | ||||||||||||||
 |  | |  |  | |  |  | | | | | | | | | | | | |
 | — | — | — | — | — | 7:43 | — | — | — | — | — | — | — | 7:46 | — | — | — | — | — |
 | 6:22 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:17 | — | — |
mm | 3 | 3 | 2 | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 11 | 11 | 12 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 11 | 10 | 10 | 11 | 10 | 10 | 9 |
Feels °C | 10 | 10 | 10 | 10 | 7 | 7 | 6 | 5 | 6 | 7 | 7 | 8 | 7 | 7 | 7 | 7 | 6 | 6 | 6 |
Swell 1 Height (m) Direction Period (s) | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | WSW 7 | NW 5 | NW 5 | NW 4 | SW 7 | — |
| kJ | 223 | 155 | 101 | 73 | 48 | 35 | 27 | 18 | 12 | 11 | 11 | 11 | 7 | 4 | 9 | 3 | 3 | 2 | — |
Swell 2 Height (m) Direction Period (s) | WSW 14 | WSW 14 | WSW 13 | WSW 13 | WSW 13 | WSW 13 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | SW 12 | SW 12 | SW 12 | WSW 7 | WSW 7 | SW 7 | — | SW 6 |
| kJ | 19 | 18 | 17 | 18 | 32 | 16 | 15 | 14 | 14 | 14 | 14 | 6 | 5 | 5 | 4 | 4 | 2 | — | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | — | SW 11 | — | — | — | — | — | — | — | — | — | — | W 12 | W 11 | W 11 | — | W 11 |
| kJ | — | — | — | 5 | — | — | — | — | — | — | — | — | — | — | 3 | 2 | 2 | — | 2 |
Wind waves Height (m) Direction Period (s) | — | — | NNW 3 | NNW 3 | WNW 4 | NW 4 | WNW 4 | NW 5 | WNW 5 | NW 5 | NW 5 | NW 5 | NW 5 | NNW 5 | — | — | — | — | — |
| kJ | — | — | 1 | 2 | 8 | 17 | 22 | 51 | 40 | 31 | 33 | 38 | 28 | 18 | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 6 | 6 | 6 | 35 | 159 | 159 | 159 | 177 | 177 | 51 | 162 | 162 | 62 | 162 | 162 | 162 | 162 | 151 | 150 |
Best forecast wave conditions in Anglesy | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
Header Global | |||||||||||||||||||
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