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Porth Towyn surfForecast / Wales – Lleyn / UK
12 Day Weather and Surf, issued 6 am Saturday 19 Apr 2025 BST
Best Forecast Surf Conditions for Porth Towyn this week:
The most powerful waves expected at Porth Towyn in the next 12 days are 2.2m 8s and forecast to arrive on Wednesday (Apr 23) at 1AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 6s period and expected on Tuesday (Apr 22) at 7PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 1AM (Wed 23rd Apr) | 7ft (2.2m) 8s |
Table - best surf conditions forecast for Porth Towyn over the next 12 days.
Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | Sunday 27 | Monday 28 | Tuesday 29 | Wednesday 30 | |||||||||||||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | 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) (?) | 8 | 8 | 8 | 7 | 7 | 11 | 3 | 4 | 5 | 9 | 9 | 8 | 8 | 8 | 8 | 7 | 7 | 15 | 14 | 15 | 14 | 13 | 8 | 7 | 7 | 7 | 7 | 13 | 12 | 10 | 10 | 4 | 8 | 8 | 3 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||
| Energy (?) | 39 | 42 | 23 | 14 | 5 | 2 | 4 | 3 | 34 | 9 | 3 | 560 | 131 | 111 | 36 | 23 | 16 | 22 | 39 | 42 | 38 | 17 | 15 | 9 | 7 | 5 | 5 | 3 | 4 | 10 | 9 | 7 | 3 | 1 | 1 | 3 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | cross- off | off | cross | cross- off | cross- off | cross | cross- on | cross- off | cross- off | off | cross- on | cross | cross- off | off | glass | off | cross- off | off | off | off | cross- off | cross- off | cross- off | cross | cross- off | glass | cross- on | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- on |
High Tide / height (m) | 12:57PM 2.83 | 1:20AM 2.89 | 1:50PM 2.60 | 2:25AM 2.71 | 3:12PM 2.44 | 3:57AM 2.69 | 4:58PM 2.51 | 5:24AM 2.90 | 6:12PM 2.78 | 6:25AM 3.23 | 7:03PM 3.12 | 7:14AM 3.60 | 7:47PM 3.47 | 7:59AM 3.93 | 8:28PM 3.77 | 8:44AM 4.16 | 9:10PM 3.99 | 9:28AM 4.26 | 9:51PM 4.11 | 10:12AM 4.21 | 10:33PM 4.09 | 10:58AM 4.02 | 11:17PM 3.96 | |||||||||||||
Low Tide / height (m) | 8:08PM 1.27 | 8:52AM 1.27 | 9:14PM 1.39 | 10:09AM 1.30 | 10:34PM 1.39 | 11:31AM 1.14 | 11:53PM 1.23 | 12:39PM 0.83 | 12:57AM 0.97 | 1:34PM 0.46 | 1:51AM 0.65 | 2:22PM 0.12 | 2:39AM 0.35 | 3:08PM -0.12 | 3:24AM 0.10 | 3:52PM -0.24 | 4:10AM -0.08 | 4:36PM -0.22 | 4:55AM -0.14 | 5:20PM -0.06 | 5:42AM -0.08 | 6:06PM 0.19 | ||||||||||||||
Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | Sunday 27 | Monday 28 | Tuesday 29 | Wednesday 30 | |||||||||||||||||||||||||
| Sunrise | 6:11 | - | - | 6:09 | - | - | 6:07 | - | - | 6:05 | - | - | 6:03 | - | - | 6:01 | - | - | 5:58 | - | - | 5:56 | - | - | 5:54 | - | - | 5:52 | - | - | 5:50 | - | - | 5:48 | - | - |
| Sunset | - | 8:23 | - | - | 8:25 | - | - | 8:27 | - | - | 8:29 | - | - | 8:30 | - | - | 8:32 | - | - | 8:34 | - | - | 8:36 | - | - | 8:37 | - | - | 8:39 | - | - | 8:42 | - | - | 8:43 | - |
 |  |  |  | |  |  | |  | | |  | |  |  | | | | | |  | | | | | | | | | | | | | | | | |
Rain (mm) | 1 | - | - | - | - | 7 | 1 | - | - | - | - | 12 | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 11 | 12 | 11 | 10 | 12 | 12 | 10 | 11 | 11 | 11 | 11 | 11 | 9 | 10 | 10 | 11 | 12 | 13 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 11 | 11 | 11 | 12 | 11 | 12 | 12 | 10 |
| Feels °C (?) | 3 | 8 | 7 | 8 | 9 | 8 | 7 | 7 | 7 | 5 | 4 | 3 | 6 | 7 | 6 | 9 | 10 | 10 | 5 | 5 | 7 | 7 | 8 | 8 | 7 | 7 | 8 | 11 | 8 | 8 | 6 | 7 | 6 | 5 | 5 | 9 |
Short Range Forecast: Light rain (total 9mm), mostly falling on Sun night. Very mild (max 12°C on Sat afternoon, min 8°C on Sun night). Winds decreasing (strong winds from the ESE on Sat morning, calm by Sun morning). | Days 3-6 Weather Summary Moderate rain (total 12mm), heaviest on Tue night. Very mild (max 13°C on Thu night, min 9°C on Tue night). Winds decreasing (near gales from the SSE on Tue night, calm by Thu afternoon). | Days 6-9 Weather Summary Some drizzle, heaviest during Fri night. Very mild (max 11°C on Sat morning, min 9°C on Sat night). Wind will be generally light. | Long Range Forecast: Mostly dry. Very mild (max 12°C on Mon morning, min 10°C on Mon night). Winds decreasing (fresh winds from the SSW on Wed morning, calm by Wed night). | |||||||||||||||||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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 Porth Towyn 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 Porth Towyn Surf forecast
The above surf forecast table for Porth Towyn provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Porth Towyn can be found by selecting the local surf guide option on the grey menu. Our Porth Towyn 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 (Porth Towyn) 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 Porth Towyn 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 Porth Towyn, camping, hotels and holiday cottages in Lleyn Peninsula, consider staying in Porthmadog which is 34 km (21 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 39 km (24 miles) away, Holyhead, Bangor and Aberystwyth.
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