Surf Forecasts:
Traeth Lligwy surf forecast from 18 Jul 2026:
- Best quality surf: Tuesday 21 Jul, 1AM (local time) - 3ft (0.9m), 5s period, NNW swell with glassy winds.
- Most powerful swell: Saturday 25 Jul, 7PM (local time) - 5.5ft (1.7m), 6s period, NNW swell with 245 kJ wave energy.
- Next surfable swell (1★+): Tuesday 21 Jul, 1AM (local time) - 3ft (0.9m), 5s period with NNW swell.
Best Forecast Surf Conditions for Traeth Lligwy this week:
The surf forecast for Traeth Lligwy over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Jul 21) at 1AM. The primary swell is predicted to be 0.9m and 5s period with a secondary swell of 0.8m and 5s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Traeth Lligwy in the next 16 days are 1.7m 6s and forecast to arrive on Saturday (Jul 25) at 7PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 5s period and expected on Saturday (Jul 25) at 7AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1AM (Tue 21st Jul) | 3ft (0.9m) 5s |
| Best Surf | 1AM (Tue 21st Jul) | 3ft (0.9m) 5s |
| Most Powerful | 7PM (Sat 25th Jul) | 5.5ft (1.7m) 6s |
Table - best surf conditions forecast for Traeth Lligwy over the next 16 days.
Short Range ForecastMostly dry. Very mild (max 17°C on Sun afternoon, min 12°C on Sun night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Very mild (max 18°C on Thu afternoon, min 11°C on Tue night). Winds decreasing (fresh winds from the NNW on Wed morning, calm by Thu night). | ||||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | NNW 4 | NNW 5 | NNW 5 | NNW 4 | NW 4 | NNW 4 | NNW 5 | NW 5 | NNW 5 | NNW 5 | NNW 4 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 5 | NNW 5 | NNW 4 | W 3 | W 4 | W 5 |
Wave Graph  | |||||||||||||||||||||
 kJ | 12 | 51 | 23 | 7 | 4 | 10 | 41 | 25 | 44 | 17 | 16 | 169 | 164 | 140 | 90 | 45 | 21 | 4 | 0 | 0 | 0 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | on | cross-on | cross-on | cross | cross | cross | glassy | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross |
High Tide | 2:28PM6.59m | 2:42AM7.07m | 3:13PM6.26m | 3:28AM6.63m | 4:00PM5.90m | 4:17AM6.12m | 4:51PM5.54m | 5:11AM5.62m | 5:48PM5.24m | 6:15AM5.24m | 6:54PM5.08m | 7:26AM5.04m | 8:02PM5.09m | ||||||||
Low Tide | 8:42PM0.66m | 9:16AM0.36m | 9:27PM1.00m | 10:01AM0.82m | 10:13PM1.39m | 10:47AM1.31m | 11:04PM1.77m | 11:39AM1.76m | 00:03AM2.08m | 12:38PM2.08m | 1:12AM2.24m | 1:47PM2.22m | 2:25AM2.20m | ||||||||
 | |  |  | |  | | | | | | | | | | | | | | | | |
 | 5:11 | — | — | 5:11 | — | — | 5:13 | — | — | 5:15 | — | — | 5:16 | — | — | 5:18 | — | — | 5:18 | — | — |
 | — | — | 9:34 | — | — | 9:32 | — | — | 9:31 | — | — | 9:30 | — | — | 9:29 | — | — | 9:27 | — | — | 9:25 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 16 | 16 | 16 | 17 | 15 | 15 | 16 | 16 | 17 | 17 | 14 | 15 | 16 | 14 | 17 | 18 | 16 | 17 | 19 | 17 |
Feels °C | 12 | 14 | 15 | 14 | 15 | 14 | 12 | 13 | 15 | 15 | 14 | 12 | 10 | 11 | 13 | 15 | 15 | 15 | 12 | 14 | 14 |
Swell 1 Height (m) Direction Period (s) | — | — | NNW 5 | — | NW 4 | — | — | — | NW 5 | — | — | — | — | — | — | — | NNW 5 | NNW 4 | — | — | — |
| kJ | — | — | 23 | — | 4 | — | — | — | 32 | — | — | — | — | — | — | — | 21 | 4 | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 4 | NNW 5 | — | NNW 4 | — | NNW 4 | NNW 5 | NW 5 | NNW 5 | NNW 5 | NNW 4 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 5 | — | — | W 3 | W 4 | W 5 |
| kJ | 12 | 51 | — | 7 | — | 10 | 41 | 25 | 44 | 17 | 16 | 169 | 164 | 140 | 90 | 45 | — | — | 8 | 14 | 45 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 261 | 261 | 248 | 261 | 261 | 249 | 261 | 343 | 249 | 318 | 371 | 35 | 376 | 563 | 35 | 261 | 315 | 255 | 261 | 1137 | 352 |
Best forecast wave conditions in Anglesy | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Traeth Lligwy surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Traeth Lligwy Surf forecast
The above surf forecast table for Traeth Lligwy provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Traeth Lligwy can be found by selecting the local surf guide option on the grey menu. Our Traeth Lligwy surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Traeth Lligwy) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Traeth Lligwy may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Are you planning a holiday in Anglesy? If you are looking for accommodation near Traeth Lligwy, camping, hotels and holiday cottages in Anglesy, consider staying in Bangor which is 14 km (9 miles) away. Other places in and around Anglesy where you can find information about places to rent, and car hire include Anglesey which is 22 km (14 miles) away, Holyhead, Llandudno and Colwyn Bay.
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