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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 Tuesday 14 Oct 2025 BST
How big are the waves at Llanddwyn Island today?
The current surf forecast for Llanddwyn Island at 10AM is: 0.1m 15s primary swell from a West direction and 0.1m 8s secondary swell from a West direction (forecast issued at 06:00am October 14). The wind direction is predicted to be offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Oct) | 0.5ft (0.1m) | 15s |
| Afternoon (14 Oct) | 0.5ft (0.1m) | 14s |
| Evening (14 Oct) | 0.5ft (0.1m) | 13s |
Table - waves today at Llanddwyn Island. (Swell directed towards the surf break)
Tuesday 14 | Wednesday 15 | Thursday 16 | Fri 17 | |||||||||||||||||||||
| 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) (?) | 8 | 16 | 15 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 7 | - | 13 | 14 | 14 | 13 | 13 | 12 | - | 11 | 11 | 11 | - |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 1 | 5 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 1 | 0 | 3 | 4 | 4 | 3 | 3 | 3 | 0 | 2 | 2 | 2 | 0 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | off | off | off | off | off | off | cross- off | glass | glass | glass | glass | off | off | glass | cross- on | glass | glass | glass | glass | glass | off | glass |
High Tide / height (m) | 3:55PM 3.18 | 5:30AM 2.91 | 5:45PM 3.21 | 6:59AM 3.04 | 7:01PM 3.40 | |||||||||||||||||||
Low Tide / height (m) | 10:17AM 1.28 | 11:09PM 0.98 | 11:43AM 1.33 | 12:34AM 0.89 | 1:00PM 1.16 | |||||||||||||||||||
Tuesday 14 | Wednesday 15 | Thursday 16 | Fri 17 | |||||||||||||||||||||
| Sunrise | - | - | 7:41 | - | - | - | - | - | - | - | 7:43 | - | - | - | - | - | - | - | 7:43 | - | - | - | - | - |
| Sunset | - | - | - | - | 6:24 | - | - | - | - | - | - | - | 6:22 | - | - | - | - | - | - | - | 6:20 | - | - | - |
 | |  |  | |  | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 11 | 11 | 11 | 13 | 13 | 13 | 12 | 12 | 12 | 11 | 11 | 12 | 13 | 12 | 12 | 11 | 11 | 11 | 11 | 12 | 13 | 12 | 12 | 11 |
| Feels °C (?) | 11 | 10 | 10 | 12 | 11 | 11 | 10 | 10 | 11 | 10 | 11 | 12 | 13 | 11 | 11 | 10 | 10 | 10 | 10 | 12 | 13 | 11 | 11 | 10 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Wales - Anglesy
Continuing clean conditions at Llanddwyn Island (calm at Caernarfon Airport 7 km from Llanddwyn Island). 0.1m 8s swell from the WSW to make surfable waves.
1 h 19 min ago
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