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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 pm Friday 29 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
13.4° C
(Which is 1.9°C warmer than normal for this time of year)How big are the waves at Llanddwyn Island today (29 May):
- Morning surf: Morning surf (29 May, local time) - 2.5ft (0.8m), 5s period with SW swell.
- Afternoon surf: Afternoon surf (29 May, local time) - 2.5ft (0.8m), 5s period with SW swell.
- Evening surf: Evening surf (29 May, local time) - 2.5ft (0.8m), 5s period with SW swell.
The current surf forecast for Llanddwyn Island at 8PM is: 0.8m 5s primary swell from a Southwest direction and 0.1m 15s secondary swell from a Southwest direction, 0.1m 12s secondary swell from a West direction (forecast issued at 12:00pm May 29). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 May) | 2.5ft (0.8m) | 5s |
| Afternoon (29 May) | 2.5ft (0.8m) | 5s |
| Evening (29 May) | 2.5ft (0.8m) | 5s |
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 Sun night. Very mild (max 15°C on Fri morning, min 12°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Fri 29 | Saturday 30 | Sunday 31 | Mon 1 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SSW 4 | SSW 4 | SW 4 | SW 4 | WSW 13 | SW 4 | SW 5 | SW 12 | SW 12 | SW 12 | SW 12 | SW 11 | SW 5 | SW 5 | SW 5 | SSW 5 | |
34 | 34 | 23 | 29 | 37 | 37 | 29 | 17 | 11 | 10 | 8 | 11 | 18 | 24 | 29 | 37 | 36 | 35 | 35 | 33 | 33 | 29 | 35 | 40 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 8:47AM3.60m | 9:08PM3.66m | 9:25AM3.63m | 9:43PM3.74m | 10:03AM3.65m | 10:18PM3.78m | ||||||||||||||||||
Low Tide | 3:37PM0.59m | 3:58AM0.59m | 4:14PM0.59m | 4:35AM0.52m | 4:50PM0.60m | 5:12AM0.49m | ||||||||||||||||||
 |  | | |  |  | |  | | | | |  | | | | | | | | | | |  | |
 | 5:00 | — | — | — | — | — | 4:58 | — | — | — | — | — | — | — | 4:58 | — | — | — | — | — | — | — | 4:58 | — |
 | — | — | — | 9:29 | — | — | — | — | — | — | — | 9:30 | — | — | — | — | — | — | — | 9:31 | — | — | — | 9:32 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | |
Temp °C | 14 | 15 | 15 | 14 | 13 | 12 | 12 | 12 | 13 | 14 | 15 | 14 | 13 | 13 | 13 | 12 | 13 | 14 | 15 | 14 | 13 | 13 | 12 | 12 |
11 | 11 | 12 | 11 | 10 | 9 | 9 | 9 | 10 | 10 | 11 | 11 | 10 | 10 | 10 | 10 | 11 | 11 | 12 | 11 | 10 | 10 | 9 | 8 | |
Swell 1 Height (m) Direction Period (s) | SW 15 | SW 15 | SW 15 | SW 15 | SW 12 | SW 11 | SW 11 | SW 11 | WSW 9 | WSW 10 | WSW 8 | SW 14 | WSW 13 | WSW 12 | WSW 12 | SW 12 | SW 5 | SW 12 | SW 12 | SW 11 | WSW 11 | WSW 11 | WSW 11 | WSW 11 |
 kJ | 8 | 8 | 8 | 9 | 5 | 5 | 5 | 4 | 9 | 9 | 7 | 7 | 18 | 15 | 29 | 37 | 17 | 35 | 35 | 33 | 25 | 25 | 12 | 12 |
Swell 2 Height (m) Direction Period (s) | — | — | W 12 | W 12 | SW 15 | SW 15 | SW 16 | SW 16 | SW 16 | SW 14 | SW 14 | SW 8 | SW 7 | SW 9 | — | — | SW 12 | — | — | — | SW 8 | — | — | SW 14 |
| kJ | — | — | 3 | 3 | 9 | 9 | 10 | 10 | 10 | 8 | 8 | 2 | 2 | 3 | — | — | 36 | — | — | — | 2 | — | — | 8 |
Swell 3 Height (m) Direction Period (s) | — | — | — | W 15 | SW 15 | SW 16 | SW 16 | W 9 | SW 16 | SW 15 | — | — | W 9 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 4 | 9 | 9 | 10 | 2 | 10 | 9 | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SSW 4 | SSW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 5 | SW 5 | — | SW 5 | SW 5 | SW 4 | SW 5 | SW 5 | SW 5 | SSW 5 |
| kJ | 34 | 34 | 23 | 29 | 37 | 37 | 29 | 17 | 11 | 10 | 7 | 11 | 14 | 24 | 26 | 21 | — | 18 | 18 | 19 | 33 | 29 | 35 | 40 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 334 | 272 | 291 | 175 | 175 | 162 | 144 | 144 | 169 | 291 | 291 | 239 | 108 | 95 | 95 | 159 | 35 | 35 | 310 | 304 | 95 | 78 | 95 | 187 |
Best forecast wave conditions in Anglesy | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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