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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 6 pm 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
11.6° C
(Which is 1.4°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 1AM is: 0.5m 6s primary swell from a Northwest direction (forecast issued at 06:00pm May 09). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 May) | - | - |
| Afternoon (10 May) | 0.5ft (0.1m) | 5s |
| Evening (10 May) | - | - |
Table - waves today at Llanddwyn Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Mon morning. Very mild (max 11°C on Sat afternoon, min 7°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Sat 9 | Sunday 10 | Monday 11 | Tue 12 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NNW 6 | NNW 6 | NNW 6 | NW 6 | NW 6 | NW 5 | NNW 5 | NW 5 | N 3 | N 4 | NNW 3 | NNW 3 | NW 3 | SW 9 | SW 9 | SW 9 | SW 9 | SW 9 | SW 9 | SW 8 | SW 8 | WSW 3 | W 4 | WNW 4 | |
0 | 0 | 0 | 16 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 9 | 18 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | off | off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | glassy | on | on | cross-on | cross-on | cross | |
High Tide | 3:35PM2.70m | 4:03AM3.02m | 5:07PM2.74m | 5:18AM3.10m | 6:13PM2.91m | 6:16AM3.28m | ||||||||||||||||||
Low Tide | 10:04PM1.47m | 10:56AM1.29m | 11:13PM1.47m | 12:04PM1.15m | 00:22AM1.35m | |||||||||||||||||||
 | |  |  | |  | | | | |  | | | |  |  | | | | | | | | | |
 | — | — | — | — | 5:28 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — | — | 5:24 | — | — | — |
 | — | 8:59 | — | — | — | — | — | — | — | 9:00 | — | — | — | — | — | — | — | 9:01 | — | — | — | — | — | 9:04 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | 1 | — | |
Temp °C | 11 | 10 | 9 | 8 | 8 | 7 | 8 | 10 | 10 | 9 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 7 | 7 | 9 | 9 | 10 | 11 |
5 | 5 | 4 | 2 | 3 | 1 | 2 | 4 | 4 | 4 | 4 | 5 | 4 | 4 | 3 | 4 | 4 | 4 | 4 | 3 | 5 | 4 | 4 | 5 | |
Swell 1 Height (m) Direction Period (s) | — | — | — | NW 6 | NW 6 | NW 5 | NNW 5 | NW 5 | — | — | — | — | — | SW 9 | SW 9 | SW 9 | SW 9 | NW 5 | WNW 3 | — | SW 8 | SW 9 | SW 9 | SW 8 |
 kJ | — | — | — | 16 | 8 | 7 | 2 | 1 | — | — | — | — | — | 3 | 3 | 3 | 3 | 1 | 1 | — | 3 | 3 | 3 | 3 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 9 | — | SW 8 | — | — | — | W 18 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | — | 3 | — | — | — | 7 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 9 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 6 | NNW 6 | NNW 6 | NNE 3 | NNE 3 | NE 3 | NE 3 | N 3 | N 3 | N 4 | NNW 3 | NNW 3 | NW 3 | NW 4 | NNW 4 | NW 5 | NNW 4 | NW 4 | — | — | — | WSW 3 | W 4 | WNW 4 |
| kJ | 64 | 48 | 43 | 4 | 5 | 2 | 1 | 4 | 8 | 9 | 4 | 2 | 2 | 15 | 34 | 28 | 11 | 3 | — | — | — | 3 | 9 | 18 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 533 | 76 | 570 | 601 | 324 | 306 | 404 | 640 | 278 | 295 | 295 | 324 | 286 | 286 | 269 | 286 | 286 | 272 | 267 | 222 | 222 | 278 | 290 | 1078 |
Best forecast wave conditions in Anglesy | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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