- Forecast
- Maps
- Live
- Weather State
- Spot Information
Llanddwyn Island Surf Forecast
/ Wales – Anglesy (10 surf breaks) /
Surf Forecasts:
Llanddwyn Island surfForecast / Wales – Anglesy / UK
48hr Weather and Surf, issued 6 pm Wednesday 13 May 2026 BSTForecast update in hr min s Forecast update imminent
Llanddwyn Island surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Llanddwyn Island sea temperature is
11.8° C
(Which is 1.5°C warmer than normal for this time of year)How big are the waves at Llanddwyn Island today?
The current surf forecast for Llanddwyn Island at 9PM is: 0.4m 6s primary swell from a West-southwest direction and 0.1m 16s secondary swell from a West direction (forecast issued at 06:00pm May 13). An open ocean swell of 1.1m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 May) | - | - |
| Afternoon (13 May) | 4ft (1.2m) | 6s |
| Evening (13 May) | 1.5ft (0.4m) | 6s |
Table - waves today at Llanddwyn Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 5mm), mostly falling on Wed night. Very mild (max 11°C on Wed afternoon, min 8°C on Wed night). Winds decreasing (fresh winds from the NNW on Wed night, calm by Fri night). | ||||||||||||||||||||||||
Wed 13 | Thursday 14 | Friday 15 | Sat 16 | |||||||||||||||||||||
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 | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NW 6 | WSW 7 | SW 6 | NW 6 | NW 7 | NW 6 | NW 6 | NW 6 | NW 6 | SW 14 | SW 14 | NW 7 | NW 7 | NW 6 | W 14 | W 14 | W 14 | W 13 | W 13 | NW 5 | W 13 | W 13 | W 13 | W 13 | |
76 | 30 | 10 | 196 | 226 | 183 | 196 | 170 | 153 | 8 | 8 | 139 | 85 | 56 | 4 | 4 | 4 | 4 | 3 | 4 | 3 | 3 | 3 | 3 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | glassy | on | on | cross-on | on | |
High Tide | 7:41PM3.46m | 7:48AM3.79m | 8:21PM3.75m | 8:32AM4.03m | 9:00PM4.00m | 9:16AM4.22m | ||||||||||||||||||
Low Tide | 1:55PM0.61m | 2:15AM0.82m | 2:43PM0.34m | 3:03AM0.52m | 3:29PM0.12m | 3:50AM0.23m | ||||||||||||||||||
 | |  | |  |  |  | | | |  | | | | | |  | | | | |  | | | |
 | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — | — | 5:18 | — | — | — |
 | — | 9:05 | — | — | — | — | — | — | — | 9:07 | — | — | — | — | — | — | — | 9:08 | — | — | — | — | — | 9:09 |
— | — | — | — | — | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 11 | 10 | 9 | 8 | 8 | 8 | 9 | 9 | 10 | 10 | 8 | 8 | 8 | 8 | 9 | 9 | 10 | 9 | 8 | 8 | 8 | 8 | 10 | 10 |
4 | 4 | 2 | 0 | 0 | 0 | 1 | 1 | 3 | 5 | 4 | 2 | 3 | 2 | 2 | 2 | 3 | 4 | 5 | 6 | 5 | 5 | 6 | 6 | |
Swell 1 Height (m) Direction Period (s) | WSW 7 | WSW 7 | SW 6 | WSW 6 | SW 6 | W 16 | SW 7 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | W 14 | W 14 | W 14 | W 14 | W 14 | W 13 | NW 5 | NW 5 | NNW 5 | NNW 5 | — | — |
 kJ | 42 | 30 | 10 | 4 | 2 | 5 | 2 | 8 | 8 | 8 | 8 | 8 | 4 | 4 | 4 | 4 | 4 | 4 | 6 | 4 | 2 | 2 | — | — |
Swell 2 Height (m) Direction Period (s) | W 16 | W 16 | W 16 | W 16 | W 16 | — | SW 15 | W 15 | — | W 7 | W 14 | W 5 | — | W 14 | — | — | — | W 6 | W 13 | W 13 | W 13 | — | W 13 | W 13 |
| kJ | 5 | 5 | 5 | 5 | 5 | — | 9 | 4 | — | 1 | 4 | 1 | — | 4 | — | — | — | 1 | 3 | 3 | 3 | — | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 6 | — | W 13 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 3 | — | — |
Wind waves Height (m) Direction Period (s) | NW 6 | NW 5 | NW 5 | NW 6 | NW 7 | NW 6 | NW 6 | NW 6 | NW 6 | NNW 6 | NNW 7 | NW 7 | NW 7 | NW 6 | NNW 6 | NW 6 | NW 4 | NNW 4 | NNW 5 | — | — | WSW 3 | WSW 3 | SW 3 |
| kJ | 76 | 45 | 51 | 196 | 226 | 183 | 196 | 170 | 153 | 113 | 110 | 139 | 85 | 56 | 61 | 47 | 15 | 9 | 15 | — | — | 2 | 1 | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 600 | 612 | 612 | 612 | 608 | 328 | 597 | 328 | 326 | 1310 | 1194 | 286 | 175 | 170 | 330 | 29 | 330 | 286 | 286 | 286 | 49 | 49 | 273 | 270 |
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