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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 Thursday 07 May 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
11.3° C
(Which is 1.4°C warmer than normal for this time of year)| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 May) | 1.5ft (0.5m) | 3s |
| Afternoon (07 May) | 2.5ft (0.7m) | 4s |
| Evening (07 May) | 1.5ft (0.4m) | 4s |
Table - waves today at Llanddwyn Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Fri morning. Very mild (max 12°C on Thu afternoon, min 9°C on Wed night). Winds increasing (calm on Fri morning, fresh winds from the NE by Sat afternoon). | ||||||||||||||||||||||||
Thursday 7 | Friday 8 | Saturday 9 | ||||||||||||||||||||||
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 | |
Swell Height Map |    |    |    | |||||||||||||||||||||
— | — | — | S 3 | SSW 4 | SSW 4 | SW 3 | SW 4 | SW 3 | SW 3 | SW 3 | WSW 3 | — | — | NNE 2 | N 3 | NNW 5 | NNW 6 | NW 6 | NNW 6 | NNW 6 | NNW 6 | NW 6 | NNE 4 | |
0 | 0 | 0 | 5 | 15 | 11 | 3 | 3 | 3 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | 0 | 0 | 18 | 0 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | cross-off | off | off | off | off | cross-off | cross-off | off | off | off | off | off | |
High Tide | 1:00AM3.41m | 1:26PM3.05m | 1:45AM3.22m | 2:18PM2.83m | 2:44AM3.07m | 3:35PM2.70m | ||||||||||||||||||
Low Tide | 8:01AM0.98m | 8:13PM1.21m | 8:51AM1.17m | 9:03PM1.37m | 9:50AM1.29m | |||||||||||||||||||
 |  |  | |  | | | | | |  | |  | | |  | | | | | | | | | |
 | — | 5:33 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:54 | — | — | — | — | — | — | — | 8:57 | — | — | — | — | — | — | — | 8:59 | — |
— | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 10 | 9 | 10 | 10 | 11 | 12 | 11 | 10 | 9 | 9 | 10 | 11 | 11 | 12 | 11 | 10 | 10 | 9 | 9 | 10 | 12 | 10 | 9 | 8 |
7 | 6 | 7 | 5 | 5 | 7 | 7 | 7 | 6 | 6 | 8 | 10 | 9 | 9 | 7 | 6 | 6 | 4 | 4 | 6 | 7 | 3 | 2 | 2 | |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | W 8 | SW 3 | W 8 | W 8 | SW 3 | SW 3 | WSW 3 | — | — | — | — | — | — | NW 6 | — | NW 6 | — | NW 6 | NNW 7 |
 kJ | — | — | — | — | — | 1 | 3 | 1 | 1 | 2 | 2 | 1 | — | — | — | — | — | — | 17 | — | 8 | — | 18 | 9 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | W 8 | — | — | W 8 | W 8 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 1 | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | S 3 | SSW 4 | SSW 4 | — | SW 4 | SW 3 | — | — | — | — | — | NNE 2 | N 3 | NNW 5 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | N 4 | NNE 4 |
| kJ | — | — | — | 5 | 15 | 11 | — | 3 | 3 | — | — | — | — | — | 1 | 4 | 21 | 37 | 34 | 25 | 17 | 33 | 15 | 8 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 278 | 278 | 278 | 310 | 286 | 267 | 267 | 255 | 267 | 272 | 255 | 255 | 255 | 255 | 255 | 286 | 254 | 251 | 251 | 261 | 232 | 261 | 261 | 318 |
Best forecast wave conditions in Anglesy | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Ocean Swells (m)- Wind Speed (km/h)
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