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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 Wednesday 27 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
13.0° C
(Which is 1.6°C warmer than normal for this time of year)How big are the waves at Llanddwyn Island today (28 May):
- Morning surf: Morning surf (28 May, local time) - 1ft (0.3m), 3s period with SSE swell.
- Afternoon surf: Afternoon surf (28 May, local time) - 0.5ft (0.1m), 16s period with W swell.
- Evening surf: Evening surf (28 May, local time) - 2.5ft (0.8m), 4s period with SSW swell.
The current surf forecast for Llanddwyn Island at 1AM is: 0.1m 18s primary swell from a West direction and 0.4m 3s secondary swell from a Southeast direction (forecast issued at 06:00pm May 27). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 May) | 1ft (0.3m) | 3s |
| Afternoon (28 May) | 0.5ft (0.1m) | 16s |
| Evening (28 May) | 2.5ft (0.8m) | 4s |
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 9mm), mostly falling on Wed afternoon. Warm (max 24°C on Wed afternoon, min 12°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 27 | Thursday 28 | Friday 29 | Sat 30 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
W 7 | W 18 | W 18 | W 18 | W 18 | W 17 | W 16 | W 16 | W 16 | SSW 4 | SSW 4 | SSW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SSW 5 | SSW 4 | SSW 4 | |
1 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 8 | 34 | 46 | 47 | 35 | 35 | 31 | 30 | 29 | 25 | 19 | 19 | 14 | 11 | 10 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | cross-on | cross-off | cross-off | cross-off | cross | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 7:56PM3.41m | 8:06AM3.55m | 8:33PM3.55m | 8:47AM3.60m | 9:08PM3.66m | 9:25AM3.63m | ||||||||||||||||||
Low Tide | 2:14PM0.65m | 2:35AM0.83m | 2:58PM0.62m | 3:19AM0.69m | 3:37PM0.59m | 3:58AM0.59m | ||||||||||||||||||
 | |  |  |  |  |  |  |  | | | | | | | | | |  | | | | | | |
 | — | — | — | — | 5:01 | — | — | — | — | — | — | — | 5:00 | — | — | — | — | — | — | — | 4:58 | — | — | — |
 | — | 9:27 | — | — | — | — | — | — | — | 9:28 | — | — | — | — | — | — | — | 9:29 | — | — | — | — | — | 9:30 |
1 | 5 | — | — | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 24 | 23 | 20 | 18 | 17 | 18 | 19 | 18 | 17 | 13 | 13 | 12 | 12 | 13 | 15 | 15 | 15 | 14 | 13 | 13 | 13 | 14 | 15 |
25 | 24 | 23 | 20 | 17 | 17 | 17 | 17 | 16 | 15 | 9 | 9 | 8 | 9 | 10 | 12 | 12 | 13 | 12 | 11 | 11 | 11 | 11 | 11 | |
Swell 1 Height (m) Direction Period (s) | NW 4 | NW 4 | — | W 18 | — | — | W 16 | W 16 | W 16 | W 16 | SW 16 | W 16 | — | W 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 12 | SW 5 | SW 11 | SW 11 | SW 9 | WSW 10 |
 kJ | 1 | 1 | — | 6 | — | — | 5 | 5 | 5 | 5 | 10 | 5 | — | 4 | 9 | 8 | 8 | 9 | 5 | 19 | 5 | 4 | 3 | 9 |
Swell 2 Height (m) Direction Period (s) | — | — | W 18 | — | W 18 | W 17 | W 6 | — | — | — | — | — | — | — | — | — | W 12 | W 12 | SW 15 | SW 11 | SW 16 | SW 16 | SW 16 | SW 14 |
| kJ | — | — | 6 | — | 6 | 6 | 1 | — | — | — | — | — | — | — | — | — | 3 | 3 | 9 | 5 | 10 | 10 | 10 | 8 |
Swell 3 Height (m) Direction Period (s) | W 7 | W 18 | — | — | — | — | — | W 6 | — | — | — | — | — | — | — | — | — | — | SW 15 | SW 15 | W 9 | W 9 | — | — |
| kJ | 1 | 6 | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | 9 | 9 | 2 | 2 | — | — |
Wind waves Height (m) Direction Period (s) | ESE 3 | ESE 3 | SE 2 | SE 3 | SE 3 | SE 3 | SSE 3 | S 3 | SSW 3 | SSW 4 | SSW 4 | SSW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | — | SW 5 | SSW 5 | SSW 4 | SSW 4 |
| kJ | 1 | 1 | 2 | 3 | 3 | 3 | 1 | 3 | 2 | 8 | 34 | 46 | 47 | 35 | 35 | 31 | 30 | 29 | 25 | — | 19 | 14 | 11 | 10 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 172 | 221 | 172 | 223 | 223 | 251 | 318 | 333 | 334 | 587 | 334 | 286 | 320 | 313 | 334 | 334 | 291 | 175 | 173 | 162 | 144 | 144 | 144 | 291 |
Best forecast wave conditions in Anglesy | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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