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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 pm Friday 28 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
11.2° 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 11PM is: 2.1m 7s primary swell from a West-southwest direction and 1.3m 7s secondary swell from a West-southwest direction, 0.7m 8s secondary swell from a Southwest direction (forecast issued at 05:00pm November 28). The wind direction is predicted to be onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Nov) | - | - |
| Afternoon (28 Nov) | 8ft (2.5m) | 8s |
| Evening (28 Nov) | 7ft (2.1m) | 7s |
Table - waves today at Llanddwyn Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 28 | Saturday 29 | Sunday 30 | Monday 01 | |||||||||||||||||||||
| 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 | 3 AM | 6 AM | 9 AM | 12 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 8 | 8 | 7 | 7 | 8 | 8 | 8 | 8 | 5 | 9 | 9 | 9 | 6 | 5 | 5 | 8 | 8 | 4 | 5 | 7 | 8 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 973 | 795 | 462 | 158 | 187 | 101 | 78 | 78 | 55 | 62 | 39 | 38 | 111 | 62 | 28 | 17 | 35 | 12 | 133 | 493 | 916 | 1040 | 984 | 1642 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | on | on | cross- on | cross | cross | cross | cross- off | cross- off | cross- off | cross | cross- off | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on |
High Tide / height (m) | 2:32PM 3.22 | 3:32AM 2.88 | 3:45PM 3.28 | 4:44AM 3.06 | 4:51PM 3.44 | 5:41AM 3.32 | ||||||||||||||||||
Low Tide / height (m) | 9:44PM 1.06 | 10:01AM 1.35 | 10:49PM 0.93 | 11:11AM 1.23 | 11:52PM 0.72 | |||||||||||||||||||
Friday 28 | Saturday 29 | Sunday 30 | Monday 01 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 8:03 | - | - | - | - | - | - | - | 8:06 | - | - | - | - | - | - | - | 8:07 | - |
| Sunset | 4:07 | - | - | - | - | - | - | - | 4:06 | - | - | - | - | - | - | - | 4:05 | - | - | - | - | - | - | - |
 |  | |  |  | |  | | | |  | | |  | | |  | | | |  | |  | | |
Rain (mm) | - | - | - | 1 | 1 | 1 | 2 | 2 | 3 | 1 | - | - | - | - | - | - | - | - | - | 4 | 6 | 7 | 12 | 5 |
| Temp. °C | 10 | 9 | 10 | 8 | 8 | 7 | 7 | 8 | 8 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 7 | 9 | 10 | 11 | 13 | 12 |
| Feels °C (?) | 0 | 0 | 2 | 3 | 4 | 4 | 4 | 3 | 1 | -3 | 0 | 1 | -1 | 1 | 2 | 3 | 2 | 2 | -2 | -1 | 0 | 3 | 7 | 6 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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