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Aberdaron Surf Forecast
/ Wales – Lleyn (14 surf breaks) /
Aberdaron surfForecast / Wales – Lleyn / UK
12 Day Weather and Surf, issued 12 pm Monday 18 Aug 2025 BST
Best Forecast Surf Conditions for Aberdaron this week:
The surf forecast for Aberdaron over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 25) at 1PM. The primary swell is predicted to be 1.5m and 6s period with a secondary swell of 0.1m and 16s. Another secondary swell of 0.1m and 16s is also forecast. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Aberdaron in the next 12 days are 2.1m 8s and forecast to arrive on Monday (Aug 25) at 7PM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 4s period and expected on Wednesday (Aug 20) at 7PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1PM (Mon 25th Aug) | 5ft (1.5m) 6s |
| Best Surf | 4PM (Mon 25th Aug) | 6ft (1.8m) 7s |
| Most Powerful | 7PM (Mon 25th Aug) | 7ft (2.1m) 8s |
Table - best surf conditions forecast for Aberdaron over the next 12 days.
Short Range Forecast Mostly dry. Warm (max 21°C on Mon afternoon, min 13°C on Tue night). Winds increasing (light winds from the N on Tue morning, fresh winds from the N by Wed afternoon). | Days 3-6 Weather Summary Mostly dry. Very mild (max 17°C on Thu afternoon, min 13°C on Thu morning). Wind will be generally light. | ||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | Thursday 21 | Friday 22 | Saturday 23 | Sunday 24 | |||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | |||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||
| Period(s) (?) | 13 | 5 | 12 | 12 | 12 | 12 | 11 | 11 | 6 | 13 | 13 | 13 | 12 | 12 | 12 | 15 | 9 | 18 | 18 | 16 | 16 |
Wave (?)Graph  | |||||||||||||||||||||
| Energy (?) | 8 | 1 | 7 | 8 | 8 | 8 | 6 | 4 | 1 | 4 | 8 | 7 | 6 | 8 | 7 | 13 | 4 | 15 | 14 | 13 | 20 |
Wind (km/h) | |||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off | off | cross- off | cross | cross- off | off | cross- off | off | cross | cross | cross- off | glass | cross | glass |
High Tide / height (m) | 4:36PM 3.03 | 5:24AM 3.00 | 5:59PM 3.17 | 6:40AM 3.14 | 7:05PM 3.44 | 7:38AM 3.34 | 7:57PM 3.75 | 8:25AM 3.55 | 8:42PM 4.01 | 9:05AM 3.72 | 9:21PM 4.20 | 9:43AM 3.82 | 9:59PM 4.29 | ||||||||
Low Tide / height (m) | 11:16AM 1.24 | 12:04AM 1.11 | 12:43PM 1.13 | 1:23AM 0.86 | 1:49PM 0.89 | 2:22AM 0.56 | 2:40PM 0.64 | 3:10AM 0.31 | 3:22PM 0.44 | 3:51AM 0.13 | 4:00PM 0.30 | 4:28AM 0.06 | 4:33PM 0.26 | ||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | Thursday 21 | Friday 22 | Saturday 23 | Sunday 24 | |||||||||||||||
| Sunrise | 6:03 | - | - | 6:05 | - | - | 6:07 | - | - | 6:09 | - | - | 6:11 | - | - | 6:11 | - | - | 6:13 | - | - |
| Sunset | - | 8:39 | - | - | 8:37 | - | - | 8:35 | - | - | 8:32 | - | - | 8:30 | - | - | 8:29 | - | - | 8:25 | - |
 |  |  |  | |  | | |  | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 17 | 21 | 21 | 17 | 20 | 20 | 15 | 17 | 15 | 14 | 17 | 16 | 15 | 15 | 16 | 15 | 17 | 17 | 16 | 18 | 18 |
| Feels °C (?) | 16 | 19 | 20 | 17 | 16 | 15 | 13 | 12 | 10 | 14 | 13 | 13 | 14 | 12 | 13 | 14 | 15 | 15 | 16 | 15 | 16 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Wales - Lleyn
The wind is still cross-off at Aberdaron (light winds from the N at Aberdaron 3 km from Aberdaron). No surfable waves
Actual: 59 min ago
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Aberdaron 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 Aberdaron Surf forecast
The above surf forecast table for Aberdaron provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Aberdaron can be found by selecting the local surf guide option on the grey menu. Our Aberdaron 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 (Aberdaron) 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 Aberdaron 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 Lleyn Peninsula? If you are looking for accommodation near Aberdaron, camping, hotels and holiday cottages in Lleyn Peninsula, consider staying in Porthmadog which is 41 km (25 miles) away. Other places in and around Lleyn Peninsula where you can find information about places to rent, and car hire include Anglesey which is 51 km (32 miles) away, Holyhead, Aberystwyth and Bangor.
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