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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 12 am Sunday 11 May 2025 BSTForecast 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
11.8° C
(Which is 1.6°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 6AM is: 0.1m 14s primary swell from a West direction and 0.1m 2s secondary swell from a Southeast direction (forecast issued at 12:00am May 11). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 May) | 0.5ft (0.1m) | 14s |
| Afternoon (11 May) | 0.5ft (0.1m) | 14s |
| Evening (11 May) | 0.5ft (0.1m) | 14s |
Table - waves today at Llanddwyn Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 11 | Monday 12 | Tuesday 13 | Wednesday 14 | Thursday 15 | Friday 16 | Saturday 17 | Sunday 18 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Swell Height Map |  |    |    |    |    |    |    |    |    | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Wave Height (m) & direction (?) | — | — | — | — | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 5 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 3 | 3 | 3 | 3 | 2 | 2 | 5 | 5 | - | - | - | - | 2 | 11 | 11 | 8 | 12 | 8 | 7 | 7 | 7 | 7 | 10 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Energy (?) | 4 | 4 | 4 | 4 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 14 | 6 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 6 | 3 | 3 | 3 | 3 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 1 | 3 | 2 | 5 | 5 | 5 | 5 | 14 | 14 | 22 | 22 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | cross- off | cross- off | cross- off | off | glass | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off | off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | glass | on | on | cross- on | glass | cross- on | cross- on | cross- on | cross- on | on | on | cross- on | cross- on | glass | glass | glass | glass | glass | cross- on | cross | glass | glass | cross | cross- on | cross- on |
High Tide / height (m) | 9:12PM 3.65 | 9:22AM 3.77 | 9:42PM 3.77 | 9:56AM 3.80 | 10:13PM 3.82 | 10:29AM 3.78 | 10:44PM 3.83 | 11:02AM 3.70 | 11:15PM 3.77 | 11:35AM 3.57 | 11:48PM 3.68 | 12:08PM 3.42 | 12:23AM 3.57 | 12:45PM 3.25 | 1:04AM 3.44 | |||||||||||||||||||||||||||||||||||||||||||||
Low Tide / height (m) | 3:50AM 0.60 | 4:07PM 0.46 | 4:24AM 0.50 | 4:40PM 0.46 | 4:58AM 0.45 | 5:13PM 0.51 | 5:33AM 0.46 | 5:47PM 0.60 | 6:09AM 0.53 | 6:23PM 0.72 | 6:48AM 0.66 | 7:02PM 0.86 | 7:30AM 0.81 | 7:44PM 1.01 | ||||||||||||||||||||||||||||||||||||||||||||||
Sunday 11 | Monday 12 | Tuesday 13 | Wednesday 14 | Thursday 15 | Friday 16 | Saturday 17 | Sunday 18 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sunrise | - | - | - | 5:26 | - | - | - | - | - | - | - | 5:24 | - | - | - | - | - | - | - | 5:22 | - | - | - | - | - | - | - | 5:20 | - | - | - | - | - | - | - | 5:18 | - | - | - | - | - | - | - | 5:18 | - | - | - | - | - | - | - | 5:16 | - | - | - | - | - | - | - | 5:15 |
| Sunset | - | - | - | - | - | - | - | 9:01 | - | - | - | - | - | - | - | 9:04 | - | - | - | - | - | - | - | 9:05 | - | - | - | - | - | - | - | 9:07 | - | - | - | - | - | - | - | 9:08 | - | - | - | - | - | - | - | 9:09 | - | - | - | - | - | - | - | 9:12 | - | - | - | - |
 | |  |  |  | | | |  |  | |  | |  |  | | |  | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | 2 | 1 | - | - | - | 1 | 3 | 4 | 2 | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 15 | 14 | 14 | 15 | 17 | 18 | 18 | 14 | 11 | 11 | 11 | 11 | 14 | 15 | 14 | 13 | 12 | 13 | 14 | 13 | 16 | 19 | 19 | 19 | 16 | 14 | 12 | 12 | 14 | 18 | 19 | 19 | 18 | 16 | 15 | 15 | 15 | 16 | 16 | 15 | 14 | 14 | 13 | 13 | 14 | 16 | 16 | 15 | 14 | 14 | 14 | 14 | 17 | 18 | 18 | 17 | 17 | 16 | 14 | 14 |
| Feels °C (?) | 12 | 11 | 12 | 13 | 15 | 17 | 16 | 12 | 7 | 8 | 9 | 8 | 11 | 12 | 11 | 10 | 9 | 11 | 12 | 11 | 13 | 16 | 16 | 16 | 13 | 10 | 8 | 9 | 11 | 15 | 16 | 16 | 15 | 13 | 13 | 13 | 13 | 15 | 15 | 15 | 13 | 13 | 12 | 12 | 13 | 15 | 15 | 13 | 12 | 13 | 13 | 13 | 17 | 17 | 17 | 16 | 16 | 15 | 12 | 11 |
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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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