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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 Saturday 09 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
11.5° C
(Which is 1.4°C warmer than normal for this time of year)| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 May) | - | - |
| Afternoon (09 May) | - | - |
| Evening (09 May) | 1.5ft (0.5m) | 6s |
Table - waves today at Llanddwyn Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 11°C on Fri night, min 7°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 9 | Sunday 10 | Monday 11 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
N 2 | N 5 | NNW 5 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NW 6 | NNW 6 | NW 6 | NE 3 | NNW 5 | NW 5 | N 4 | N 4 | N 3 | NNW 3 | NW 3 | SW 9 | SW 9 | SW 9 | SW 9 | SW 8 | SW 9 | |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 3 | 3 | 3 | 3 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | |
High Tide | 2:44AM3.07m | 3:35PM2.70m | 4:03AM3.02m | 5:07PM2.74m | 5:18AM3.10m | 6:13PM2.91m | ||||||||||||||||||
Low Tide | 9:50AM1.29m | 10:04PM1.47m | 10:56AM1.29m | 11:13PM1.47m | 12:04PM1.15m | |||||||||||||||||||
 |  |  |  | | | | | |  | |  | | | | | | | | | | | | | |
 | — | 5:30 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:59 | — | — | — | — | — | — | — | 9:00 | — | — | — | — | — | — | — | 9:01 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 10 | 9 | 9 | 10 | 11 | 11 | 9 | 8 | 7 | 7 | 7 | 9 | 10 | 10 | 9 | 8 | 8 | 9 | 9 | 10 | 10 | 10 | 10 | 9 |
6 | 5 | 5 | 5 | 5 | 5 | 3 | 2 | 1 | 1 | 1 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 4 | 5 | 4 | 5 | 6 | 7 | |
Swell 1 Height (m) Direction Period (s) | — | — | NNW 5 | — | — | — | — | NW 6 | NNW 6 | NW 6 | NNW 5 | NNW 5 | NW 5 | — | — | — | — | — | SW 9 | SW 9 | SW 9 | SW 9 | SW 8 | WNW 3 |
 kJ | — | — | 24 | — | — | — | — | 17 | 13 | 8 | 3 | 2 | 1 | — | — | — | — | — | 3 | 3 | 3 | 3 | 3 | 1 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 9 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | N 2 | N 5 | — | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNE 3 | NNE 3 | NE 3 | NE 3 | N 3 | N 4 | N 4 | N 3 | NNW 3 | NW 3 | NW 4 | NW 4 | NW 4 | NNW 4 | NW 3 | — |
| kJ | 2 | 11 | — | 34 | 37 | 53 | 47 | 45 | 6 | 4 | 2 | 1 | 4 | 13 | 9 | 4 | 2 | 4 | 12 | 21 | 21 | 9 | 3 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 254 | 251 | 254 | 292 | 299 | 533 | 64 | 570 | 600 | 272 | 286 | 306 | 313 | 278 | 278 | 232 | 223 | 251 | 286 | 286 | 286 | 286 | 272 | 267 |
Best forecast wave conditions in Anglesy | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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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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