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Llanddwyn Island Surf Forecast
/ Wales – Anglesy (10 surf breaks) /
Surf Forecasts:
Llanddwyn Island surfForecast / Wales – Anglesy / UK
48hr Weather and Surf, issued 6 pm Tuesday 26 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
12.9° C
(Which is 1.6°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 10PM is: 0.1m 12s primary swell from a West direction and 0.1m 7s secondary swell from a Southwest direction (forecast issued at 06:00pm May 26). An open ocean swell of 0.4m 4s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 May) | - | - |
| Afternoon (26 May) | 0.5ft (0.1m) | 12s |
| Evening (26 May) | 0.5ft (0.1m) | 12s |
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 3mm), mostly falling on Wed night. Warm (max 23°C on Tue afternoon, min 12°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Tue 26 | Wednesday 27 | Thursday 28 | Fri 29 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
W 12 | W 12 | W 12 | SW 7 | SW 7 | SW 7 | W 7 | W 7 | W 7 | W 18 | W 18 | W 18 | W 18 | W 17 | W 16 | W 16 | W 16 | SW 4 | SW 4 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | |
3 | 3 | 3 | 2 | 2 | 2 | 1 | 1 | 1 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 6 | 31 | 45 | 55 | 48 | 42 | 35 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | off | off | cross-off | cross-off | cross-off | glassy | glassy | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | on | on | on | |
High Tide | 7:15PM3.28m | 7:22AM3.51m | 7:56PM3.41m | 8:06AM3.55m | 8:33PM3.55m | 8:47AM3.60m | ||||||||||||||||||
Low Tide | 1:23PM0.70m | 1:44AM0.97m | 2:14PM0.65m | 2:35AM0.83m | 2:58PM0.62m | 3:19AM0.69m | ||||||||||||||||||
 | |  | | | | | |  |  | | |  | | | |  | |  | | | | | | |
 | — | — | — | — | 5:03 | — | — | — | — | — | — | — | 5:01 | — | — | — | — | — | — | — | 5:00 | — | — | — |
 | — | 9:24 | — | — | — | — | — | — | — | 9:27 | — | — | — | — | — | — | — | 9:28 | — | — | — | — | — | 9:29 |
— | — | — | — | — | — | — | — | — | 1 | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 22 | 20 | 19 | 20 | 18 | 19 | 21 | 21 | 23 | 21 | 19 | 17 | 17 | 18 | 20 | 19 | 17 | 13 | 13 | 12 | 12 | 14 | 15 |
24 | 22 | 19 | 18 | 20 | 18 | 20 | 22 | 23 | 24 | 20 | 18 | 16 | 17 | 17 | 19 | 17 | 15 | 10 | 9 | 9 | 9 | 11 | 12 | |
Swell 1 Height (m) Direction Period (s) | SW 7 | SW 7 | SW 7 | NW 4 | NNW 5 | NNW 5 | NNW 5 | NW 4 | NW 4 | — | W 18 | W 18 | — | — | W 16 | W 16 | W 16 | W 16 | — | SW 16 | — | SW 15 | SW 15 | SW 14 |
 kJ | 2 | 2 | 2 | 4 | 5 | 2 | 2 | 1 | 1 | — | 6 | 6 | — | — | 5 | 5 | 5 | 5 | — | 10 | — | 9 | 8 | 8 |
Swell 2 Height (m) Direction Period (s) | W 12 | W 12 | W 12 | SW 7 | SW 7 | SW 7 | — | — | — | W 18 | — | — | W 18 | W 17 | W 6 | — | — | — | — | — | — | — | — | — |
| kJ | 3 | 3 | 3 | 2 | 2 | 2 | — | — | — | 6 | — | — | 6 | 6 | 1 | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | W 7 | W 7 | W 7 | — | — | — | — | — | — | W 6 | W 6 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 3 | NNW 3 | NNW 4 | NE 2 | — | — | ESE 3 | ESE 3 | ESE 3 | — | SE 3 | SE 3 | SE 3 | SE 3 | SSE 3 | S 3 | SSW 3 | SW 4 | SW 4 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 |
| kJ | 1 | 2 | 5 | 1 | — | — | 3 | 2 | 1 | — | 2 | 5 | 4 | 2 | 1 | 2 | 2 | 6 | 31 | 45 | 55 | 48 | 42 | 35 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 162 | 162 | 162 | 162 | 151 | 151 | 269 | 237 | 221 | 221 | 223 | 237 | 223 | 223 | 318 | 333 | 313 | 532 | 286 | 286 | 320 | 344 | 334 | 333 |
Best forecast wave conditions in Anglesy | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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