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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 6 am Thursday 02 Apr 2026 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
9.1° 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 1PM is: 0.3m 6s primary swell from a Southwest direction and 0.3m 4s secondary swell from a West-northwest direction (forecast issued at 06:00am April 02). An open ocean swell of 0.2m 4s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 Apr) | 2ft (0.6m) | 5s |
| Afternoon (02 Apr) | 1.5ft (0.4m) | 4s |
| Evening (02 Apr) | 3.5ft (1.1m) | 4s |
Table - waves today at Llanddwyn Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 02 | Friday 03 | Saturday 04 | Sun 05 | |||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 5 | 5 | 6 | 6 | 4 | 4 | 5 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 7 | 6 | 7 | 8 | 10 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 17 | 13 | 5 | 5 | 5 | 12 | 65 | 229 | 306 | 299 | 204 | 207 | 121 | 196 | 191 | 163 | 99 | 67 | 104 | 331 | 671 | 1316 | 1649 | 938 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | glass | on | on | on | cross- on | cross- on | cross- on | on | on | on | on | cross- on | cross- on | cross- on | on | cross | cross- on | cross- on | cross- on | cross- on | on | cross- on |
High Tide / height (m) | 10:17AM 4.26 | 10:37PM 4.03 | 10:50AM 4.24 | 11:08PM 4.03 | 11:23AM 4.12 | 11:39PM 3.96 | ||||||||||||||||||
Low Tide / height (m) | 4:44AM 0.13 | 5:06PM -0.05 | 5:19AM 0.12 | 5:39PM 0.07 | 5:52AM 0.19 | 6:11PM 0.27 | ||||||||||||||||||
Thursday 02 | Friday 03 | Saturday 04 | Sun 05 | |||||||||||||||||||||
| Sunrise | - | 6:50 | - | - | - | - | - | - | - | 6:48 | - | - | - | - | - | - | - | 6:45 | - | - | - | - | - | - |
| Sunset | - | - | - | - | - | 7:52 | - | - | - | - | - | - | - | 7:54 | - | - | - | - | - | - | - | 7:57 | - | - |
 |  |  | | | |  | | |  | | | |  |  | |  | | | | | |  | | |
Rain (mm) | - | - | - | - | - | - | 1 | 2 | 1 | 1 | - | 2 | 1 | 1 | - | - | - | 1 | - | - | - | - | 1 | - |
| Temp. °C | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 8 | 9 | 10 | 10 | 9 | 11 | 8 | 8 | 7 | 7 | 5 | 10 | 11 | 10 | 11 | 8 | 6 |
| Feels °C (?) | 2 | 2 | 3 | 3 | 1 | 1 | -1 | 0 | 2 | 3 | 4 | 5 | 6 | 3 | 3 | 3 | 4 | 1 | 3 | 2 | -1 | -2 | -5 | -1 |
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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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