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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 12 pm Wednesday 08 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
9.2° C
(Which is 1.0°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 5PM is: 0.4m 9s primary swell from a Southwest direction (forecast issued at 12:00pm April 08). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 Apr) | 1.5ft (0.5m) | 10s |
| Afternoon (08 Apr) | 1.5ft (0.5m) | 10s |
| Evening (08 Apr) | 1.5ft (0.4m) | 8s |
Table - waves today at Llanddwyn Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 08 | Thursday 09 | Friday 10 | Saturday 11 | |||||||||||||||||||||
| 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 | 1 AM | 4 AM | 7 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 10 | 10 | 8 | 8 | 8 | 4 | 5 | 6 | 6 | 5 | 5 | 5 | 6 | 6 | 5 | 6 | 4 | 5 | 6 | 7 | 8 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 50 | 47 | 33 | 24 | 23 | 16 | 18 | 71 | 108 | 72 | 66 | 87 | 114 | 105 | 34 | 19 | 19 | 32 | 83 | 179 | 384 | 926 | 846 | 732 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | 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 | on | cross- on | cross- on | cross- on | cross | cross | cross- on | on | on |
High Tide / height (m) | 1:47PM 3.06 | 2:04AM 3.06 | 2:42PM 2.77 | 3:15AM 2.84 | 4:27PM 2.59 | 5:12AM 2.80 | ||||||||||||||||||
Low Tide / height (m) | 8:14AM 1.07 | 8:31PM 1.34 | 9:06AM 1.34 | 9:26PM 1.56 | 10:17AM 1.53 | 10:45PM 1.66 | ||||||||||||||||||
Wednesday 08 | Thursday 09 | Friday 10 | Saturday 11 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:33 | - | - | - | - | - | - | - | 6:31 | - | - | - | - | - | - | - | 6:28 |
| Sunset | - | - | - | 8:04 | - | - | - | - | - | - | - | 8:05 | - | - | - | - | - | - | - | 8:07 | - | - | - | - |
 |  | | |  |  | |  |  | | | | | | | | | | | |  | |  | | |
Rain (mm) | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | 1 | 2 | 2 | - |
| Temp. °C | 13 | 13 | 14 | 12 | 11 | 10 | 8 | 8 | 10 | 8 | 8 | 8 | 7 | 6 | 6 | 6 | 6 | 7 | 7 | 6 | 6 | 8 | 7 | 5 |
| Feels °C (?) | 12 | 11 | 13 | 10 | 9 | 7 | 3 | 2 | 4 | 1 | 1 | 0 | -1 | -1 | 2 | 3 | 0 | -1 | -1 | -2 | -3 | -3 | -2 | -4 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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