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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 Monday 17 Nov 2025 GMT
How big are the waves at Llanddwyn Island today?
The current surf forecast for Llanddwyn Island at 1AM is: 0.1m 8s primary swell from a Southwest direction and 0.1m 13s secondary swell from a West direction, 0.4m 3s secondary swell from a Northwest direction (forecast issued at 11:00pm November 17). The wind direction is predicted to be cross-shore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Nov) | 3ft (0.9m) | 4s |
| Afternoon (18 Nov) | 5ft (1.6m) | 6s |
| Evening (18 Nov) | 5ft (1.5m) | 6s |
Table - waves today at Llanddwyn Island. (Swell directed towards the surf break)
Tuesday 18 | Wednesday 19 | Thursday 20 | ||||||||||||||||||||||
| 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 | 13 | 13 | 3 | 4 | 5 | 6 | 6 | 6 | 5 | 5 | 5 | 12 | 8 | 7 | 6 | 7 | 6 | 6 | 6 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 12 | 3 | 4 | 6 | 25 | 91 | 154 | 134 | 156 | 4 | 2 | 1 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 109 | 3 | 3 | 3 | 3 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | cross | cross- on | cross- on | cross- on | cross- on | cross | cross | 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 | cross- off | cross- off |
High Tide / height (m) | 7:31PM 3.66 | 7:55AM 3.66 | 8:07PM 3.73 | 8:26AM 3.77 | 8:41PM 3.77 | 8:58AM 3.85 | ||||||||||||||||||
Low Tide / height (m) | 2:18AM 0.50 | 2:36PM 0.59 | 2:52AM 0.47 | 3:11PM 0.49 | 3:26AM 0.48 | 3:45PM 0.43 | ||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 7:46 | - | - | - | - | - | - | - | 7:48 | - | - | - | - | - | - | - | 7:48 | - | - | - |
| Sunset | - | - | - | - | - | - | 4:17 | - | - | - | - | - | - | - | 4:16 | - | - | - | - | - | - | - | 4:15 | - |
 | |  | |  | | |  | | |  | |  | |  | | | | |  | |  | | | |
Rain (mm) | - | - | - | - | 1 | 1 | 2 | 1 | - | - | 1 | - | - | - | - | - | - | 1 | 1 | - | - | 1 | - | - |
| Temp. °C | 7 | 7 | 7 | 7 | 8 | 9 | 9 | 9 | 6 | 6 | 5 | 5 | 5 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 |
| Feels °C (?) | 4 | 3 | 2 | 2 | 1 | 1 | 1 | 0 | -3 | -2 | -4 | -4 | -4 | -3 | -2 | -3 | -2 | -3 | -3 | -3 | -1 | -1 | -1 | -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)
FREE! Surf-Forecast.com widget for your website
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