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Surf Forecasts:
Traeth Lligwy surfForecast / Wales – Anglesy / UK
48hr Weather and Surf, issued 12 am Monday 18 May 2026 BSTForecast update in hr min s Forecast update imminent
Traeth Lligwy surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Traeth Lligwy sea temperature is
10.9° C
(Which is normal for this time of year)| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | - | - |
| Afternoon (18 May) | 0.5ft (0.2m) | 3s |
| Evening (18 May) | - | - |
Table - waves today at Traeth Lligwy. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 11mm), heaviest on Mon night. Very mild (max 14°C on Wed morning, min 8°C on Sun night). Winds increasing (light winds from the SSW on Sun night, strong winds from the SW by Tue afternoon). | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
WSW 4 | SW 5 | W 4 | W 4 | SW 6 | WNW 3 | SW 4 | SW 4 | SE 3 | ESE 3 | ESE 4 | SSW 7 | SW 5 | SW 5 | SW 6 | SW 7 | SW 6 | WSW 5 | WSW 5 | WSW 5 | SW 4 | SW 5 | SW 6 | SW 5 | |
0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 6 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | off | off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | off | off | off | off | off | off | off | off | off | off | off | off | |
High Tide | 00:02AM7.26m | 12:26PM7.26m | 00:47AM7.24m | 1:16PM7.06m | 1:35AM7.08m | 2:07PM6.71m | ||||||||||||||||||
Low Tide | 6:27AM0.01m | 6:51PM0.18m | 7:17AM0.02m | 7:39PM0.42m | 8:08AM0.20m | 8:30PM0.77m | ||||||||||||||||||
 |  |  |  | | |  |  | | |  | | | | | | |  |  | | | | |  | |
 | — | 5:13 | — | — | — | — | — | — | — | 5:11 | — | — | — | — | — | — | — | 5:09 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:14 | — | — | — | — | — | — | — | 9:15 | — | — | — | — | — | — | — | 9:16 | — |
1 | 1 | — | — | — | — | 1 | — | 1 | 1 | 2 | 1 | 2 | — | — | — | 1 | — | — | — | — | — | — | — | |
Temp °C | 9 | 8 | 8 | 10 | 12 | 13 | 12 | 11 | 10 | 10 | 12 | 12 | 13 | 13 | 12 | 11 | 11 | 11 | 11 | 13 | 14 | 14 | 13 | 12 |
5 | 5 | 5 | 7 | 8 | 9 | 8 | 8 | 6 | 6 | 7 | 7 | 7 | 5 | 4 | 3 | 4 | 5 | 6 | 7 | 7 | 7 | 6 | 7 | |
Swell 1 Height (m) Direction Period (s) | — | SW 5 | WSW 5 | SW 6 | SW 6 | WNW 3 | SW 6 | SW 4 | SW 6 | SW 7 | SW 8 | ESE 4 | ESE 4 | — | — | — | — | — | SW 15 | SW 14 | — | — | — | — |
 kJ | — | 9 | 3 | 2 | 6 | 1 | 2 | 5 | 8 | 21 | 36 | 6 | 1 | — | — | — | — | — | 9 | 8 | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | WNW 4 | — | — | SW 5 | SW 7 | — | SW 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 6 | — | — | 1 | 2 | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | SW 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 4 | — | W 4 | W 4 | WNW 4 | SW 3 | SW 4 | — | SE 3 | ESE 3 | ESE 4 | SSW 7 | SW 5 | SW 5 | SW 6 | SW 7 | SW 6 | WSW 5 | WSW 5 | WSW 5 | SW 4 | SW 5 | SW 6 | SW 5 |
| kJ | 16 | — | 9 | 5 | 2 | 1 | 4 | — | 2 | 6 | 15 | 62 | 54 | 119 | 228 | 233 | 143 | 90 | 64 | 44 | 52 | 126 | 181 | 100 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 234 | 234 | 234 | 62 | 62 | 62 | 62 | 254 | 254 | 254 | 293 | 291 | 264 | 254 | 291 | 256 | 255 | 250 | 257 | 257 | 257 | 402 | 402 | 233 |
Best forecast wave conditions in Anglesy | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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