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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 11 am Thursday 26 Mar 2026 GMTForecast 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
9.0° C
(Which is 1.2°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 7PM is: 0.8m 4s primary swell from a Southwest direction (forecast issued at 11:00am March 26). The wind direction is predicted to be onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Mar) | 2.5ft (0.7m) | 5s |
| Afternoon (26 Mar) | 1.5ft (0.4m) | 5s |
| Evening (26 Mar) | 3ft (0.9m) | 5s |
Table - waves today at Llanddwyn Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 26 | Friday 27 | Saturday 28 | Sunday 29 | |||||||||||||||||||||
| 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 5 | 4 | 5 | 4 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 4 | 4 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 19 | 9 | 7 | 12 | 32 | 36 | 43 | 74 | 75 | 63 | 35 | 22 | 80 | 111 | 126 | 148 | 206 | 184 | 143 | 107 | 75 | 38 | 17 | 38 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- on | on | on | on | on | on | on | cross- on | cross | cross | cross | cross | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross | cross- on | cross- on | on |
High Tide / height (m) | 3:07PM 3.00 | 3:46AM 3.11 | 5:08PM 2.95 | 5:30AM 3.24 | 6:35PM 3.14 | |||||||||||||||||||
Low Tide / height (m) | 9:30AM 1.03 | 10:10PM 1.32 | 11:03AM 1.04 | 11:39PM 1.25 | 12:25PM 0.80 | 12:50AM 0.99 | ||||||||||||||||||
Thursday 26 | Friday 27 | Saturday 28 | Sunday 29 | |||||||||||||||||||||
| Sunrise | 6:07 | - | - | - | - | - | - | - | 6:03 | - | - | - | - | - | - | - | 6:01 | - | - | - | - | - | - | 5:58 |
| Sunset | - | - | - | 6:39 | - | - | - | - | - | - | - | 6:42 | - | - | - | - | - | - | - | 6:44 | - | - | - | - |
 |  | | |  |  | | |  | | | |  | | |  | | |  | |  | | | | |
Rain (mm) | - | - | - | - | 1 | - | 1 | 3 | 2 | 2 | - | - | - | - | - | 1 | - | - | 1 | - | - | - | - | - |
| Temp. °C | 6 | 7 | 7 | 6 | 7 | 9 | 8 | 9 | 9 | 8 | 9 | 8 | 7 | 6 | 6 | 5 | 5 | 6 | 7 | 7 | 7 | 7 | 7 | 7 |
| Feels °C (?) | 2 | 3 | 2 | 0 | 2 | 5 | 4 | 5 | 5 | 4 | 4 | 2 | 0 | -2 | -2 | -2 | -4 | -3 | -2 | -1 | 1 | 2 | 2 | 1 |
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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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