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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 Wednesday 12 Nov 2025 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
13.2° C
(Which is 1.1°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: 1.3m 11s primary swell from a Southwest direction (forecast issued at 05:00am November 12). The wind direction is predicted to be cross-onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Nov) | 4.5ft (1.3m) | 11s |
| Afternoon (12 Nov) | 3.5ft (1.1m) | 11s |
| Evening (12 Nov) | 4.5ft (1.3m) | 10s |
Table - waves today at Llanddwyn Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 12 | Thursday 13 | Friday 14 | Sat 15 | |||||||||||||||||||||
| 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) (?) | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 6 | 7 | 7 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 629 | 589 | 429 | 303 | 263 | 191 | 367 | 282 | 386 | 105 | 188 | 141 | 138 | 117 | 94 | 92 | 58 | 54 | 41 | 30 | 21 | 13 | 8 | 8 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross | cross- on | cross- off | cross- on | cross- on | on | cross- on | cross | cross- off | cross- off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 2:38PM 3.38 | 4:00AM 2.94 | 4:08PM 3.33 | 5:18AM 3.02 | 5:18PM 3.39 | |||||||||||||||||||
Low Tide / height (m) | 8:52AM 1.17 | 9:44PM 0.84 | 10:06AM 1.28 | 11:00PM 0.85 | 11:21AM 1.23 | |||||||||||||||||||
Wednesday 12 | Thursday 13 | Friday 14 | Sat 15 | |||||||||||||||||||||
| Sunrise | - | - | 7:35 | - | - | - | - | - | - | - | 7:37 | - | - | - | - | - | - | - | 7:39 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:27 | - | - | - | - | - | - | - | 4:24 | - | - | - | - | - | - | - | 4:23 | - | - | - |
 |  |  |  | |  | |  | | | |  | | | | | | | | | | | |  | |
Rain (mm) | - | - | - | 1 | 3 | 6 | 8 | 2 | - | - | - | - | - | - | - | - | - | - | - | 1 | 3 | 7 | 9 | 5 |
| Temp. °C | 12 | 12 | 13 | 13 | 13 | 12 | 13 | 13 | 12 | 11 | 10 | 10 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 6 | 5 | 5 | 5 |
| Feels °C (?) | 8 | 9 | 12 | 12 | 13 | 10 | 9 | 7 | 4 | 6 | 7 | 6 | 5 | 4 | 2 | 2 | 1 | -1 | -2 | -4 | -6 | -8 | -6 | -5 |
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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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