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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 Sunday 26 Apr 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
10.8° 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 1AM is: 0.4m 8s primary swell from a Southwest direction (forecast issued at 06:00pm April 26). The wind direction is predicted to be glassy.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Apr) | 1ft (0.3m) | 8s |
| Afternoon (27 Apr) | 1ft (0.3m) | 8s |
| Evening (27 Apr) | 0.5ft (0.2m) | 8s |
Table - waves today at Llanddwyn Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 14°C on Sun afternoon, min 7°C on Tue night). Winds increasing (calm on Sun night, fresh winds from the ENE by Wed morning). | ||||||||||||||||||||||||
Sun 26 | Monday 27 | Tuesday 28 | Wed 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 |    |    |    |    | ||||||||||||||||||||
SW 9 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | WSW 8 | WSW 7 | WSW 7 | WSW 8 | WSW 8 | WSW 8 | W 15 | W 15 | W 14 | W 14 | W 13 | W 13 | W 13 | W 13 | W 13 | |
19 | 18 | 17 | 17 | 17 | 17 | 10 | 10 | 9 | 6 | 5 | 5 | 6 | 6 | 6 | 5 | 5 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | glassy | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | off | off | off | off | off | off | off | off | cross-off | |
High Tide | 7:11PM3.17m | 7:12AM3.56m | 7:58PM3.36m | 7:59AM3.72m | 8:34PM3.54m | 8:38AM3.84m | ||||||||||||||||||
Low Tide | 1:21AM1.02m | 1:59PM0.52m | 2:17AM0.79m | 2:46PM0.36m | 3:03AM0.59m | |||||||||||||||||||
 | |  |  |  |  |  | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:48 | — | — | — |
 | — | 8:36 | — | — | — | — | — | — | — | 8:37 | — | — | — | — | — | — | — | 8:39 | — | — | — | — | — | 8:40 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 14 | 13 | 13 | 12 | 12 | 11 | 12 | 13 | 12 | 12 | 11 | 12 | 10 | 9 | 9 | 10 | 13 | 12 | 11 | 8 | 7 | 7 | 10 | 14 |
11 | 11 | 11 | 11 | 11 | 9 | 8 | 9 | 7 | 8 | 8 | 9 | 6 | 5 | 3 | 4 | 8 | 7 | 6 | 3 | 2 | 1 | 4 | 6 | |
Swell 1 Height (m) Direction Period (s) | SW 9 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | WSW 8 | WSW 7 | NNW 5 | NW 5 | NNW 5 | NNW 5 | WSW 7 | WSW 7 | SW 7 | SW 7 | N 3 | SW 7 | SW 7 | SW 7 | SW 7 |
 kJ | 19 | 18 | 17 | 17 | 17 | 17 | 10 | 10 | 9 | 6 | 5 | 4 | 7 | 2 | 2 | 5 | 5 | 2 | 2 | 1 | 2 | 2 | 2 | 2 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | W 9 | WSW 7 | WSW 8 | WSW 8 | WSW 8 | NW 4 | — | W 14 | W 14 | SW 7 | W 13 | W 13 | W 13 | W 13 |
| kJ | — | — | — | — | — | — | — | — | — | — | 2 | 5 | 6 | 6 | 6 | 1 | — | 4 | 4 | 2 | 3 | 3 | 3 | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | W 9 | — | — | W 15 | W 15 | W 15 | — | W 13 | W 13 | — | W 13 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | 4 | 4 | 4 | — | 4 | 3 | — | 3 | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | NNW 3 | NNW 3 | N 3 | NNW 3 | — | — | NE 2 | — | — | — | NNE 3 | NNE 3 | — | NE 2 | NE 2 | NE 3 | E 3 |
| kJ | — | — | — | — | — | — | — | 3 | 5 | 5 | 3 | — | — | 1 | — | — | — | 2 | 3 | — | 1 | 1 | 2 | 4 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 168 | 151 | 150 | 144 | 151 | 151 | 162 | 170 | 286 | 286 | 286 | 170 | 151 | 170 | 295 | 151 | 171 | 162 | 151 | 151 | 267 | 267 | 267 | 269 |
Best forecast wave conditions in Anglesy | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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