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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 24 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 8AM is: 2.5m 7s primary swell from a West-northwest direction (forecast issued at 11:00pm March 24). The wind direction is predicted to be cross-shore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Mar) | 8ft (2.5m) | 7s |
| Afternoon (25 Mar) | 7ft (2.2m) | 7s |
| Evening (25 Mar) | 6ft (1.8m) | 7s |
Table - waves today at Llanddwyn Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 25 | Thursday 26 | Friday 27 | ||||||||||||||||||||||
| 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) (?) | 8 | 7 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 5 | 4 | 4 | 3 | 4 | 5 | 5 | 5 | 6 | 6 | 6 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 995 | 707 | 236 | 700 | 726 | 610 | 494 | 363 | 279 | 223 | 164 | 69 | 39 | 23 | 13 | 6 | 28 | 60 | 55 | 57 | 64 | 66 | 40 | 26 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross- on | on | on | on | on | on | on | cross- off | cross | cross- on | cross |
High Tide / height (m) | 1:00AM 3.55 | 1:38PM 3.33 | 2:07AM 3.26 | 3:07PM 3.00 | 3:46AM 3.11 | 5:08PM 2.95 | ||||||||||||||||||
Low Tide / height (m) | 7:41PM 0.79 | 8:12AM 0.80 | 8:46PM 1.13 | 9:30AM 1.03 | 10:10PM 1.32 | 11:03AM 1.04 | ||||||||||||||||||
Wednesday 25 | Thursday 26 | Friday 27 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 6:09 | - | - | - | - | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:03 | - | - | - |
| Sunset | - | - | - | - | - | - | - | 6:38 | - | - | - | - | - | - | - | 6:39 | - | - | - | - | - | - | - | 6:42 |
 | | | |  | | | |  |  | |  |  | |  | | | | | |  | |  | | |
Rain (mm) | 1 | 1 | 3 | 2 | 1 | 1 | 1 | 1 | - | - | - | - | - | - | - | - | 2 | - | 1 | 2 | 2 | - | - | - |
| Temp. °C | 7 | 6 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 6 | 8 | 9 | 9 | 9 | 7 | 8 | 9 | 8 |
| Feels °C (?) | -4 | -4 | -4 | -7 | -6 | -6 | -5 | -4 | -3 | -3 | -2 | 0 | 1 | 2 | 1 | 0 | 3 | 5 | 5 | 5 | 2 | 3 | 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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