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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 5 am Thursday 22 Jan 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
7.3° C
(Which is slightly cooler than normal)How big are the waves at Llanddwyn Island today?
The current surf forecast for Llanddwyn Island at 12PM is: 0.7m 16s primary swell from a West-southwest direction and 0.9m 10s secondary swell from a Southwest direction, 0.5m 3s secondary swell from a Southeast direction (forecast issued at 05:00am January 22). The wind direction is predicted to be cross-shore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Jan) | 2.5ft (0.7m) | 17s |
| Afternoon (22 Jan) | 2.5ft (0.7m) | 15s |
| Evening (22 Jan) | 2ft (0.6m) | 10s |
Table - waves today at Llanddwyn Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 22 | Friday 23 | Saturday 24 | Sun 25 | |||||||||||||||||||||
| 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 | 9 PM | 0 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 16 | 17 | 16 | 15 | 15 | 10 | 9 | 9 | 9 | 9 | 18 | 17 | 17 | 17 | 16 | 16 | 12 | 18 | 17 | 16 | 17 | 10 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 200 | 234 | 255 | 223 | 207 | 126 | 77 | 41 | 40 | 68 | 50 | 127 | 464 | 629 | 825 | 739 | 220 | 164 | 99 | 160 | 146 | 160 | 157 | 710 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- off | cross- off | cross | cross | cross | 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 | cross- off | cross | cross- on |
High Tide / height (m) | 11:16AM 4.16 | 11:37PM 3.66 | 11:50AM 4.11 | 12:15AM 3.59 | 12:30PM 3.98 | |||||||||||||||||||
Low Tide / height (m) | 6:16PM 0.20 | 6:22AM 0.48 | 6:54PM 0.31 | 7:02AM 0.63 | 7:36PM 0.48 | |||||||||||||||||||
Thursday 22 | Friday 23 | Saturday 24 | Sun 25 | |||||||||||||||||||||
| Sunrise | - | - | 8:15 | - | - | - | - | - | - | - | 8:15 | - | - | - | - | - | - | - | 8:14 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:40 | - | - | - | - | - | - | - | 4:43 | - | - | - | - | - | - | - | 4:45 | - | - | - |
 | |  | | |  | |  | |  |  | |  | | | | | | | | | | |  | |
Rain (mm) | - | - | 1 | 3 | 1 | 3 | 3 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 7 |
| Temp. °C | 10 | 9 | 9 | 9 | 10 | 8 | 7 | 7 | 6 | 6 | 7 | 7 | 8 | 7 | 7 | 6 | 6 | 8 | 7 | 8 | 7 | 6 | 7 | 8 |
| Feels °C (?) | 7 | 6 | 6 | 6 | 6 | 3 | 4 | 3 | 2 | 0 | -1 | -1 | 1 | -2 | -3 | -4 | -4 | 0 | -3 | -2 | -3 | -3 | -1 | -1 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
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