Surf Forecasts:
How big are the waves at Llanddwyn Island today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 2ft (0.6m), 4s period with SSW swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 1.5ft (0.5m), 4s period with SW swell.
- Evening surf: Evening surf (21 Sep, local time) - 1.5ft (0.4m), 4s period with SW swell.
The current surf forecast for Llanddwyn Island at 6AM is: 0.6m 4s primary swell from a South-southwest direction and 0.1m 6s secondary swell from a Southwest direction (forecast issued at 12:00am September 21). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 2ft (0.6m) | 4s |
| Afternoon (21 Sep) | 1.5ft (0.5m) | 4s |
| Evening (21 Sep) | 1.5ft (0.4m) | 4s |
Table - waves today at Llanddwyn Island. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Tue night. Very mild (max 18°C on Mon afternoon, min 12°C on Wed morning). Mainly fresh winds. | ||||||||||||||||||||||||
Monday 21 | Tuesday 22 | Wednesday 23 | ||||||||||||||||||||||
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) | SW 6 | SW 3 | SSW 4 | SSW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | W 12 | W 12 | W 18 | W 17 | W 16 | SW 15 | SW 15 | W 14 | W 13 | W 13 | W 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 5 | 6 | 12 | 10 | 8 | 5 | 4 | 3 | 3 | 7 | 7 | 5 | 3 | 3 | 3 | 6 | 6 | 5 | 9 | 8 | 4 | 3 | 3 | 3 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | off |
High Tide | 6:48AM2.73m | 7:09PM3.00m | 7:45AM2.94m | 7:57PM3.28m | 8:24AM3.18m | 8:32PM3.56m | ||||||||||||||||||
Low Tide | 00:33AM1.54m | 1:01PM1.56m | 1:44AM1.28m | 1:57PM1.28m | 2:29AM0.97m | 2:38PM0.99m | ||||||||||||||||||
 | |  |  |  |  | |  | | | | | | | | | |  | |  | | | | | |
 | — | — | 7:00 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:03 | — | — | — | — | — |
 | — | — | — | — | — | — | 7:20 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:15 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | — | — | — | — |
Temp °C | 14 | 14 | 14 | 14 | 16 | 18 | 18 | 18 | 17 | 16 | 16 | 17 | 18 | 18 | 18 | 17 | 17 | 16 | 14 | 12 | 13 | 14 | 13 | 13 |
Feels °C | 11 | 11 | 11 | 12 | 15 | 18 | 18 | 17 | 16 | 15 | 15 | 16 | 18 | 17 | 18 | 16 | 16 | 16 | 13 | 7 | 8 | 8 | 8 | 11 |
Swell 1 Height (m) Direction Period (s) | SW 6 | WSW 6 | SW 6 | SW 6 | W 13 | — | SW 6 | W 6 | W 6 | — | — | — | — | W 6 | SW 3 | — | — | W 16 | WSW 3 | WSW 3 | — | W 13 | SW 7 | W 7 |
| kJ | 5 | 3 | 1 | 1 | 3 | — | 1 | 1 | 1 | — | — | — | — | 1 | 2 | — | — | 5 | 1 | 1 | — | 3 | 2 | 1 |
Swell 2 Height (m) Direction Period (s) | NW 4 | — | — | W 13 | W 13 | SW 6 | — | — | — | — | — | — | SW 6 | — | W 5 | — | W 17 | W 12 | SW 15 | SW 15 | W 14 | — | W 13 | W 12 |
| kJ | 1 | — | — | 3 | 3 | 1 | — | — | — | — | — | — | 1 | — | 1 | — | 6 | 3 | 9 | 8 | 4 | — | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | W 13 | — | — | W 13 | — | — | — | — | — | — | W 12 | W 12 | W 12 | W 18 | — | W 5 | W 5 | W 6 | W 6 | W 6 | — | W 12 |
| kJ | — | — | 3 | — | — | 3 | — | — | — | — | — | — | 3 | 3 | 3 | 6 | — | 1 | 1 | 1 | 1 | 1 | — | 3 |
Wind waves Height (m) Direction Period (s) | SW 3 | SW 3 | SSW 4 | SSW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 3 | — | — | — | SW 3 | — | NW 3 | NNW 4 | NNW 5 | NNW 4 | NNW 4 |
| kJ | 3 | 6 | 12 | 10 | 8 | 5 | 4 | 3 | 3 | 7 | 7 | 5 | 3 | 2 | — | — | — | 2 | — | 3 | 25 | 36 | 16 | 11 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 162 | 162 | 223 | 261 | 267 | 267 | 267 | 251 | 251 | 251 | 251 | 171 | 218 | 175 | 162 | 144 | 151 | 164 | 164 | 175 | 330 | 255 | 255 | 175 |
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