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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 27 Mar 2026 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
8.9° 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 9PM is: 1.2m 5s primary swell from a Northwest direction and 0.5m 6s secondary swell from a Southwest direction, 0.1m 19s secondary swell from a Southwest direction (forecast issued at 05:00pm March 27). The wind direction is predicted to be cross-shore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Mar) | - | - |
| Afternoon (27 Mar) | 2.5ft (0.8m) | 6s |
| Evening (27 Mar) | 4ft (1.2m) | 5s |
Table - waves today at Llanddwyn Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 27 | Saturday 28 | Sunday 29 | Monday 30 | |||||||||||||||||||||
| 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) (?) | 6 | 6 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 4 | 5 | 6 | 7 | 7 | 8 | 8 | 6 | 6 | 6 | 6 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 43 | 30 | 67 | 111 | 159 | 199 | 206 | 223 | 158 | 119 | 84 | 49 | 25 | 62 | 195 | 434 | 559 | 372 | 319 | 172 | 229 | 182 | 142 | 88 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross | cross | cross- on | cross- on | cross | cross | cross | cross | cross | cross | cross- on | on | on | on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 5:08PM 2.95 | 5:30AM 3.24 | 6:35PM 3.14 | 6:41AM 3.52 | 7:27PM 3.38 | 7:29AM 3.81 | ||||||||||||||||||
Low Tide / height (m) | 11:39PM 1.25 | 12:25PM 0.80 | 12:50AM 0.99 | 1:26PM 0.48 | 1:43AM 0.68 | |||||||||||||||||||
Friday 27 | Saturday 28 | Sunday 29 | Monday 30 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 6:01 | - | - | - | - | - | - | 5:58 | - | - | - | - | - | - | - | 5:56 | - | - |
| Sunset | - | 6:42 | - | - | - | - | - | - | - | 6:44 | - | - | - | - | - | - | - | 6:45 | - | - | - | - | - | - |
 |  |  |  |  |  |  | | |  | | | |  | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - | 2 | - | - | - | - | - | - | - | - |
| Temp. °C | 10 | 8 | 7 | 6 | 5 | 5 | 5 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 9 | 10 | 9 | 7 | 8 | 8 | 8 | 8 |
| Feels °C (?) | 5 | 1 | -1 | -3 | -4 | -4 | -4 | -4 | -1 | 0 | 1 | 1 | 1 | -1 | -1 | -2 | 1 | 4 | 1 | -1 | 0 | 1 | 1 | 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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