Surf Forecasts:
How big are the waves at Llanddwyn Island today (21 Aug):
- Afternoon surf: Afternoon surf (21 Aug, local time) - 0.5ft (0.1m), 13s period with W swell.
- Evening surf: Evening surf (21 Aug, local time) - 0.5ft (0.1m), 13s period with SW swell.
The current surf forecast for Llanddwyn Island at 11PM is: 0.1m 13s primary swell from a Southwest direction and 0.1m 6s secondary swell from a Southwest direction (forecast issued at 06:00pm August 21). An open ocean swell of 0.4m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | - | - |
| Afternoon (21 Aug) | 0.5ft (0.1m) | 13s |
| Evening (21 Aug) | 0.5ft (0.1m) | 13s |
Table - waves today at Llanddwyn Island. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 21°C on Mon morning, min 12°C on Fri night). Wind will be generally light. | |||||||||||||||||||
Fri 21 | Saturday 22 | Sunday 23 | |||||||||||||||||
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 13 | SW 13 | W 16 | W 16 | W 16 | SW 13 | SW 15 | NW 5 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | WSW 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 3 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 15 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | off | off | off | glassy | cross-off | cross-off | cross-off | cross-off | off |
High Tide | 4:46PM2.83m | 5:38AM2.76m | 6:19PM2.84m | 7:04AM2.82m | 7:32PM3.02m | ||||||||||||||
Low Tide | 11:34PM1.55m | 12:20PM1.61m | 1:12AM1.48m | 1:41PM1.46m | |||||||||||||||
 | |  | |  | | | | | | | | | | | | | | | |
 | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | 8:32 | — | — | — | — | — | — | — | 8:30 | — | — | — | — | — | — | — | 8:28 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 15 | 14 | 13 | 12 | 12 | 13 | 14 | 15 | 15 | 13 | 13 | 13 | 12 | 14 | 16 | 17 | 16 | 15 |
Feels °C | 13 | 11 | 12 | 11 | 10 | 10 | 11 | 10 | 11 | 12 | 11 | 11 | 12 | 11 | 13 | 13 | 15 | 13 | 12 |
Swell 1 Height (m) Direction Period (s) | W 4 | SW 6 | SW 6 | SW 13 | SW 13 | SW 13 | SW 15 | SW 15 | SW 15 | SW 15 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | NW 4 | SW 14 | SW 14 | SW 13 | WSW 12 |
| kJ | 1 | 1 | 1 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 2 | 2 | 2 | 2 | 1 | 7 | 7 | 7 | 15 |
Swell 2 Height (m) Direction Period (s) | SW 6 | SW 13 | SW 13 | W 6 | W 6 | — | — | W 6 | SW 12 | W 12 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | — | — | — | SW 12 |
| kJ | 1 | 7 | 7 | 1 | 1 | — | — | 1 | 6 | 3 | 8 | 8 | 8 | 8 | 8 | — | — | — | 6 |
Swell 3 Height (m) Direction Period (s) | W 13 | — | W 16 | W 16 | W 16 | W 6 | W 6 | — | W 5 | — | W 12 | W 12 | W 12 | — | — | — | — | — | — |
| kJ | 3 | — | 5 | 5 | 5 | 1 | 1 | — | 1 | — | 3 | 3 | 3 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 5 | NNW 4 | NNW 4 | NNW 4 | NNW 5 | NNW 5 | NW 5 | NW 5 | NW 3 | NNW 3 | NNW 3 | NNW 2 | — | — | — | NW 4 | — | NNW 2 | N 2 |
| kJ | 8 | 8 | 5 | 7 | 9 | 10 | 6 | 8 | 5 | 4 | 2 | 1 | — | — | — | 1 | — | 1 | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 286 | 162 | 170 | 178 | 170 | 170 | 166 | 171 | 286 | 299 | 211 | 170 | 170 | 273 | 273 | 151 | 211 | 170 | 166 |
Best forecast wave conditions in Anglesy | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
Header Global | |||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Llanddwyn Island surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest