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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 pm Tuesday 03 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
7.8° C
(Which is normal for this time of year)How big are the waves at Llanddwyn Island today?
The current surf forecast for Llanddwyn Island at 2AM is: 0.3m 8s primary swell from a Southwest direction and 0.1m 13s secondary swell from a West direction, 0.3m 3s secondary swell from a Southeast direction (forecast issued at 11:00pm March 03). The wind direction is predicted to be cross-shore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Mar) | 1ft (0.3m) | 8s |
| Afternoon (04 Mar) | 1.5ft (0.5m) | 5s |
| Evening (04 Mar) | 2ft (0.6m) | 5s |
Table - waves today at Llanddwyn Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 04 | Thursday 05 | Friday 06 | ||||||||||||||||||||||
| 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 | 9 AM | 12 PM | 3 PM | 6 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 8 | 8 | 8 | 8 | 7 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 5 | 6 | 10 | 11 | 11 | 11 | 11 | 11 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 26 | 18 | 11 | 10 | 9 | 9 | 14 | 17 | 15 | 28 | 37 | 51 | 42 | 37 | 31 | 10 | 3 | 4 | 4 | 12 | 5 | 5 | 2 | 2 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- off | cross | cross | cross | cross- on | cross- on | cross- on | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off |
High Tide / height (m) | 9:33PM 3.97 | 9:43AM 4.45 | 10:06PM 4.03 | 10:18AM 4.45 | 10:39PM 4.02 | 10:52AM 4.33 | ||||||||||||||||||
Low Tide / height (m) | 4:08AM 0.02 | 4:34PM -0.26 | 4:44AM 0.01 | 5:09PM -0.14 | 5:18AM 0.11 | 5:42PM 0.08 | ||||||||||||||||||
Wednesday 04 | Thursday 05 | Friday 06 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 6:58 | - | - | - | - | - | - | - | 6:56 | - | - | - | - | - | - | - | 6:54 | - | - | - |
| Sunset | - | - | - | - | - | - | - | 6:00 | - | - | - | - | - | - | - | 6:01 | - | - | - | - | - | - | - | 6:04 |
 |  |  | |  |  |  | | | | | | | |  | |  | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 3 | 4 | 1 | - | - | - | - | - | - |
| Temp. °C | 9 | 11 | 11 | 11 | 11 | 12 | 14 | 12 | 12 | 11 | 11 | 11 | 12 | 12 | 7 | 5 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 6 |
| Feels °C (?) | 6 | 8 | 9 | 8 | 8 | 8 | 10 | 9 | 9 | 6 | 6 | 7 | 8 | 8 | 2 | -2 | -1 | -2 | -2 | -1 | 1 | 2 | 3 | 3 |
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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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