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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 Friday 04 Jul 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
15.3° C
(Which is 1.0°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: 0.6m 5s primary swell from a Southwest direction and 0.2m 4s secondary swell from a West-northwest direction (forecast issued at 12:00am July 04). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Jul) | 2.5ft (0.7m) | 4s |
| Afternoon (04 Jul) | 4.5ft (1.4m) | 5s |
| Evening (04 Jul) | 5.5ft (1.7m) | 6s |
Table - waves today at Llanddwyn Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 04 | Saturday 05 | Sunday 06 | Monday 07 | Tuesday 08 | Wednesday 09 | Thursday 10 | Friday 11 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| 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) (?) | 4 | 4 | 4 | 5 | 4 | 5 | 6 | 6 | 6 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 5 | 6 | 5 | 4 | 5 | 5 | 6 | 7 | 7 | 6 | 5 | 4 | 4 | 7 | 6 | 6 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 7 | 4 | 4 | 4 | 4 | 4 | - | - | - | - | - | 6 | 6 | - | - | - | - |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Energy (?) | 25 | 22 | 17 | 19 | 14 | 60 | 154 | 210 | 240 | 237 | 198 | 140 | 108 | 108 | 103 | 90 | 73 | 63 | 85 | 71 | 42 | 55 | 36 | 42 | 61 | 103 | 175 | 165 | 162 | 4 | 36 | 18 | 7 | 30 | 28 | 26 | 7 | 6 | 4 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- on | on | on | cross- on | cross- on | cross- on | on | cross- on | cross- on | on | on | cross- on | cross- on | cross- on | on | cross- on | cross- on | cross | glass | glass | glass | glass |
High Tide / height (m) | 4:50AM 3.20 | 5:35PM 2.98 | 5:52AM 3.11 | 6:32PM 3.03 | 6:51AM 3.09 | 7:25PM 3.13 | 7:46AM 3.15 | 8:13PM 3.26 | 8:34AM 3.24 | 8:56PM 3.42 | 9:17AM 3.35 | 9:36PM 3.58 | 9:56AM 3.46 | 10:13PM 3.74 | ||||||||||||||||||||||||||||||||||||||||||||||
Low Tide / height (m) | 10:48PM 1.35 | 11:32AM 1.19 | 11:56PM 1.43 | 12:36PM 1.26 | 1:07AM 1.38 | 1:38PM 1.22 | 2:08AM 1.24 | 2:31PM 1.11 | 2:58AM 1.05 | 3:16PM 0.96 | 3:42AM 0.84 | 3:57PM 0.79 | 4:22AM 0.65 | 4:35PM 0.63 | 5:02AM 0.47 | |||||||||||||||||||||||||||||||||||||||||||||
Friday 04 | Saturday 05 | Sunday 06 | Monday 07 | Tuesday 08 | Wednesday 09 | Thursday 10 | Friday 11 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sunrise | - | - | - | 4:56 | - | - | - | - | - | - | - | 4:58 | - | - | - | - | - | - | - | 4:58 | - | - | - | - | - | - | - | 5:00 | - | - | - | - | - | - | - | 5:01 | - | - | - | - | - | - | - | 5:01 | - | - | - | - | - | - | - | 5:03 | - | - | - | - | - | - | - | 5:03 |
| Sunset | - | - | - | - | - | - | - | 9:45 | - | - | - | - | - | - | - | 9:45 | - | - | - | - | - | - | - | 9:45 | - | - | - | - | - | - | - | 9:44 | - | - | - | - | - | - | - | 9:43 | - | - | - | - | - | - | - | 9:43 | - | - | - | - | - | - | - | 9:42 | - | - | - | - |
 |  | |  |  | | |  |  | |  | | | | | | | | | | |  | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | 3 | 3 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 16 | 16 | 14 | 14 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 15 | 15 | 16 | 17 | 17 | 16 | 15 | 13 | 13 | 13 | 14 | 16 | 16 | 14 | 13 | 13 | 13 | 13 | 14 | 15 | 15 | 14 | 13 | 12 | 12 | 13 | 13 | 15 | 15 | 15 | 15 | 15 | 14 | 16 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 18 | 19 | 20 | 19 | 18 | 18 | 17 | 17 |
| Feels °C (?) | 14 | 14 | 11 | 10 | 10 | 10 | 9 | 8 | 8 | 9 | 10 | 12 | 12 | 13 | 14 | 15 | 13 | 12 | 9 | 9 | 9 | 10 | 13 | 13 | 9 | 7 | 6 | 6 | 6 | 8 | 9 | 11 | 11 | 11 | 10 | 11 | 11 | 11 | 14 | 14 | 13 | 13 | 13 | 13 | 15 | 18 | 18 | 18 | 17 | 17 | 16 | 16 | 18 | 19 | 20 | 19 | 18 | 19 | 18 | 18 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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