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Surf Forecasts:
Pontllyfni surfForecast / Wales – Lleyn / UK
16 Day Weather and Surf, issued 12 pm Saturday 11 Apr 2026 BSTForecast update in hr min s Forecast update imminent
Pontllyfni surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Pontllyfni sea temperature is
9.5° C
(Which is 1.2°C warmer than normal for this time of year)Best Forecast Surf Conditions for Pontllyfni this week:
The most powerful waves expected at Pontllyfni in the next 16 days are 3.5m 10s and forecast to arrive on Saturday (Apr 11) at 10PM. Winds are predicted to be cross-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 Wednesday (Apr 15) at 10AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 10PM (Sat 11th Apr) | 11ft (3.5m) 10s |
Table - best surf conditions forecast for Pontllyfni over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Moderate rain (total 12mm), heaviest on Sat night. Very mild (max 10°C on Sun afternoon, min 5°C on Mon night). Winds decreasing (near gales from the SSW on Sat afternoon, light winds from the SSE by Mon night). | Days 3-6 Weather Summary Moderate rain (total 10mm), heaviest on Wed morning. Very mild (max 13°C on Tue afternoon, min 9°C on Tue morning). Mainly fresh winds. | ||||||||||||||||||||
Saturday 11 | Sunday 12 | Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | |||||||||||||||
| 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) (?) | 7 | 9 | 10 | 9 | 6 | 8 | 8 | 7 | 7 | 6 | 5 | 6 | 12 | 7 | 7 | 7 | 6 | 7 | 7 | 7 | 7 |
Wave (?)Graph  | |||||||||||||||||||||
 kJ (?) | 558 | 1355 | 1730 | 865 | 170 | 53 | 16 | 44 | 42 | 6 | 15 | 40 | 6 | 230 | 489 | 440 | 202 | 128 | 64 | 65 | 37 |
Wind (km/h) | |||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross | cross | cross | cross- off | cross- off | cross | cross- off | off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 5:20PM 2.31 | ||||||||||||||||||||
Low Tide / height (m) | 11:15AM 1.39 | 11:40PM 1.43 | |||||||||||||||||||
Saturday 11 | Sunday 12 | Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | Friday 17 | |||||||||||||||
| Sunrise | 6:28 | - | - | 6:26 | - | - | 6:24 | - | - | 6:22 | - | - | 6:18 | - | - | 6:16 | - | - | 6:15 | - | - |
| Sunset | - | 8:08 | - | - | 8:09 | - | - | 8:12 | - | - | 8:14 | - | - | 8:15 | - | - | 8:17 | - | - | 8:19 | - |
 |  |  |  | | |  | |  |  |  | | | |  | | |  | | |  | |
Rain (mm) | 1 | 2 | 4 | - | 1 | 2 | 1 | 1 | - | - | - | 1 | 4 | 1 | 3 | 1 | - | - | - | 2 | - |
| Temp. °C | 7 | 8 | 8 | 8 | 10 | 7 | 9 | 9 | 7 | 11 | 13 | 11 | 11 | 12 | 10 | 11 | 11 | 9 | 11 | 11 | 10 |
| Feels °C (?) | -3 | -2 | -2 | -1 | 3 | 2 | 4 | 5 | 4 | 6 | 8 | 6 | 5 | 7 | 4 | 5 | 5 | 5 | 5 | 4 | 4 |
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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 Pontllyfni 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 Pontllyfni Surf forecast
The above surf forecast table for Pontllyfni provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Pontllyfni can be found by selecting the local surf guide option on the grey menu. Our Pontllyfni 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 (Pontllyfni) 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 Pontllyfni 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 Pontllyfni, camping, hotels and holiday cottages in Lleyn Peninsula, consider staying in Porthmadog which is 20 km (12 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 26 km (16 miles) away, Bangor, Holyhead and Llandudno.
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