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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 26 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
11.6° 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 9AM is: 1.0m 4s primary swell from a South-southwest direction and 0.2m 10s secondary swell from a West-southwest direction (forecast issued at 05:00am November 26). The wind direction is predicted to be cross-onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Nov) | 3.5ft (1.0m) | 4s |
| Afternoon (26 Nov) | 6ft (1.8m) | 6s |
| Evening (26 Nov) | 4ft (1.2m) | 7s |
Table - waves today at Llanddwyn Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 26 | Thursday 27 | Friday 28 | Sat 29 | |||||||||||||||||||||
| 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 | 3 | 4 | 5 | 6 | 7 | 7 | 6 | 5 | 6 | 6 | 7 | 8 | 8 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 4 | 6 | 34 | 120 | 245 | 233 | 124 | 76 | 71 | 193 | 251 | 475 | 640 | 504 | 542 | 779 | 898 | 958 | 1014 | 1014 | 848 | 516 | 269 | 309 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | cross- on | on | on | cross- on | cross- on | on | on | on | on | on | on | on | on | on | on | cross- on | on |
High Tide / height (m) | 12:32PM 3.37 | 1:02AM 2.93 | 1:25PM 3.27 | 2:10AM 2.84 | 2:32PM 3.22 | |||||||||||||||||||
Low Tide / height (m) | 7:47PM 1.03 | 7:57AM 1.26 | 8:42PM 1.09 | 8:54AM 1.35 | 9:44PM 1.06 | |||||||||||||||||||
Wednesday 26 | Thursday 27 | Friday 28 | Sat 29 | |||||||||||||||||||||
| Sunrise | - | - | 8:00 | - | - | - | - | - | - | - | 8:00 | - | - | - | - | - | - | - | 8:03 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:08 | - | - | - | - | - | - | - | 4:07 | - | - | - | - | - | - | - | 4:07 | - | - | - |
 | |  | |  |  | |  | | | | | |  | | | | | |  |  | | | | |
Rain (mm) | - | - | - | - | 1 | 2 | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | 1 | 4 |
| Temp. °C | 7 | 8 | 8 | 8 | 9 | 10 | 12 | 12 | 13 | 13 | 13 | 13 | 14 | 12 | 11 | 10 | 10 | 10 | 9 | 9 | 9 | 10 | 10 | 7 |
| Feels °C (?) | 3 | 3 | 1 | 0 | 2 | 5 | 9 | 8 | 8 | 8 | 7 | 6 | 6 | 4 | 2 | 0 | 0 | 0 | -2 | -2 | 1 | 3 | 0 | -7 |
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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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