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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 am Thursday 19 Feb 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
7.4° 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 9AM is: 0.8m 14s primary swell from a West-southwest direction (forecast issued at 05:00am February 19). The wind direction is predicted to be offshore and the swell rating is 2.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Feb) | 2.5ft (0.8m) | 14s |
| Afternoon (19 Feb) | 2.5ft (0.7m) | 13s |
| Evening (19 Feb) | 2ft (0.6m) | 10s |
Table - waves today at Llanddwyn Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 19 | Friday 20 | Saturday 21 | Sun 22 | |||||||||||||||||||||
| 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 | 3 PM | 6 PM | 9 PM | 0 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 11 | 14 | 14 | 13 | 12 | 10 | 5 | 5 | 5 | 7 | 8 | 8 | 8 | 9 | 9 | 6 | 7 | 7 | 7 | 7 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 106 | 130 | 246 | 239 | 180 | 144 | 65 | 52 | 60 | 138 | 478 | 564 | 587 | 500 | 475 | 397 | 278 | 276 | 221 | 267 | 459 | 588 | 520 | 418 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | off | cross- off | cross | cross- on | cross- on | on | on | on | on | on | cross- on | cross- on | on | on | on | on | cross- on | cross- on | on | on | on | on |
High Tide / height (m) | 10:19AM 4.39 | 10:39PM 3.98 | 10:51AM 4.41 | 11:13PM 3.98 | 11:27AM 4.33 | 11:49PM 3.89 | ||||||||||||||||||
Low Tide / height (m) | 5:13PM -0.12 | 5:22AM 0.12 | 5:49PM -0.06 | 5:59AM 0.21 | 6:27PM 0.11 | |||||||||||||||||||
Thursday 19 | Friday 20 | Saturday 21 | Sun 22 | |||||||||||||||||||||
| Sunrise | - | - | 7:28 | - | - | - | - | - | - | - | 7:26 | - | - | - | - | - | - | - | 7:22 | - | - | - | - | - |
| Sunset | - | - | - | - | 5:35 | - | - | - | - | - | - | - | 5:37 | - | - | - | - | - | - | - | 5:38 | - | - | - |
 | |  | |  |  |  | | | |  | |  | | | | | | | | | | | | |
Rain (mm) | 1 | 1 | - | - | - | - | - | - | - | - | 2 | 1 | 3 | - | - | 1 | - | - | - | 2 | 5 | 2 | - | - |
| Temp. °C | 3 | 3 | 3 | 4 | 5 | 6 | 7 | 7 | 7 | 8 | 9 | 10 | 10 | 10 | 9 | 9 | 10 | 9 | 9 | 10 | 10 | 10 | 10 | 10 |
| Feels °C (?) | -1 | -1 | -2 | 0 | 1 | 3 | 1 | 2 | 1 | 0 | 1 | 2 | 2 | 4 | 3 | 1 | 3 | 3 | 4 | 4 | 2 | 3 | 4 | 4 |
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Llanddwyn Island surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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