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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 Wednesday 22 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
10.2° C
(Which is 1.3°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 (forecast issued at 06:00pm April 22). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Apr) | - | - |
| Afternoon (22 Apr) | 0.5ft (0.1m) | 16s |
| Evening (22 Apr) | - | - |
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 17°C on Thu afternoon, min 9°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 22 | Thursday 23 | Friday 24 | Sat 25 | |||||||||||||||||||||
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 16 | ESE 3 | W 12 | SE 4 | SSE 4 | ESE 3 | SW 11 | SW 10 | SW 11 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | |
5 | 0 | 3 | 2 | 1 | 0 | 5 | 4 | 29 | 50 | 47 | 46 | 46 | 85 | 101 | 99 | 96 | 94 | 94 | 94 | 92 | 90 | 90 | 90 | |
Wind (km/h) | ||||||||||||||||||||||||
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 | glassy | glassy | cross-on | cross | glassy | glassy | glassy | glassy | glassy | cross-on | |
High Tide | 1:31PM3.60m | 1:52AM3.65m | 2:41PM3.23m | 3:06AM3.40m | 4:19PM2.99m | 4:42AM3.30m | ||||||||||||||||||
Low Tide | 8:32PM0.80m | 9:09AM0.63m | 9:36PM1.08m | 10:24AM0.82m | 10:52PM1.24m | 11:46AM0.84m | ||||||||||||||||||
 | |  |  | |  | |  | | |  | | | | | | | | | | | | | | |
 | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 5:56 | — | — | — |
 | — | 8:29 | — | — | — | — | — | — | — | 8:30 | — | — | — | — | — | — | — | 8:31 | — | — | — | — | — | 8:34 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 15 | 13 | 10 | 9 | 9 | 9 | 10 | 14 | 17 | 16 | 14 | 13 | 12 | 12 | 13 | 16 | 16 | 15 | 14 | 13 | 13 | 12 | 13 | 14 |
9 | 7 | 6 | 5 | 5 | 5 | 6 | 11 | 15 | 14 | 11 | 11 | 10 | 9 | 11 | 14 | 13 | 13 | 12 | 11 | 11 | 9 | 11 | 12 | |
Swell 1 Height (m) Direction Period (s) | W 16 | — | W 12 | — | SSE 4 | — | — | SSE 3 | SW 11 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 |
 kJ | 5 | — | 3 | — | 1 | — | — | 1 | 29 | 50 | 47 | 46 | 46 | 85 | 101 | 99 | 96 | 94 | 94 | 94 | 92 | 90 | 90 | 90 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | SW 11 | SW 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 5 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | S 6 | S 6 | W 14 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 1 | 1 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | E 3 | ESE 3 | SE 3 | SE 4 | E 2 | ESE 3 | SE 4 | SE 3 | ESE 3 | SE 3 | — | — | — | — | ESE 3 | ESE 3 | — | — | — | — | — | — | — | — |
| kJ | 5 | 6 | 3 | 2 | 1 | 3 | 3 | 3 | 1 | 2 | — | — | — | — | 2 | 1 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 511 | 511 | 548 | 392 | 392 | 391 | 552 | 521 | 37 | 11 | 11 | 11 | 11 | 6 | 6 | 20 | 35 | 21 | 6 | 6 | 6 | 6 | 6 | 35 |
Best forecast wave conditions in Anglesy | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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