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Pontllyfni surfForecast / Wales – Lleyn / UK
12 Day Weather and Surf, issued 6 pm Thursday 03 Jul 2025 BST
Best Forecast Surf Conditions for Pontllyfni this week:
The surf forecast for Pontllyfni over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Jul 05) at 7AM. The primary swell is predicted to be 1.3m and 7s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Pontllyfni in the next 12 days are 1.8m 7s and forecast to arrive on Saturday (Jul 05) at 1AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.4m 7s period and expected on Monday (Jul 07) at 7PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 7AM (Sat 5th Jul) | 4.5ft (1.3m) 7s |
| Best Surf | 7AM (Sat 5th Jul) | 4.5ft (1.3m) 7s |
| Most Powerful | 1AM (Sat 5th Jul) | 6ft (1.8m) 7s |
Table - best surf conditions forecast for Pontllyfni over the next 12 days.
Thu 03 | Friday 04 | Saturday 05 | Sunday 06 | Monday 07 | Tuesday 08 | Wednesday 09 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tue 15 | ||||||||||||||||||||||||
| 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 | AM | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  |  |  |  |  |  | |||||||||||||||||||||||
| Wave Height (m) & direction (?) | — | — | — | — | — | |||||||||||||||||||||||||||||||
| Period(s) (?) | 3 | 4 | 4 | 6 | 7 | 7 | 5 | 6 | 5 | 5 | 5 | 6 | 4 | 6 | 4 | 4 | 3 | 4 | 4 | 4 | - | - | - | - | - | 3 | 4 | 4 | 4 | 5 | 4 | 5 | 5 | 5 | 4 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||
| Energy (?) | 0 | 22 | 14 | 175 | 271 | 98 | 42 | 113 | 44 | 44 | 68 | 105 | 27 | 26 | 11 | 3 | 1 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 10 | 5 | 13 | 2 | 4 | 4 | 3 | 2 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross- off | cross- off | cross | cross- off | cross- off | cross- on | cross- on | cross- on | on | on | cross- on | cross- on | on | cross- on | cross- off | glass | on | glass | glass | glass | glass | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- on | cross- on | cross | cross- off | cross- off |
High Tide / height (m) | 4:05AM 2.86 | 4:51PM 2.62 | 5:11AM 2.77 | 5:51PM 2.69 | 6:11AM 2.78 | 6:44PM 2.80 | 7:04AM 2.84 | 7:31PM 2.95 | 7:51AM 2.95 | 8:12PM 3.11 | 8:32AM 3.06 | 8:51PM 3.28 | 9:09AM 3.16 | 9:27PM 3.44 | 9:45AM 3.25 | 10:03PM 3.59 | 10:21AM 3.31 | 10:39PM 3.71 | 10:59AM 3.33 | 11:16PM 3.78 | 11:38AM 3.33 | 11:56PM 3.80 | 12:20PM 3.28 | |||||||||||||
Low Tide / height (m) | 10:09PM 1.22 | 10:54AM 1.09 | 11:12PM 1.30 | 11:55AM 1.16 | 12:25AM 1.29 | 1:00PM 1.15 | 1:32AM 1.18 | 1:57PM 1.07 | 2:26AM 1.02 | 2:45PM 0.93 | 3:12AM 0.83 | 3:27PM 0.78 | 3:54AM 0.65 | 4:07PM 0.62 | 4:35AM 0.49 | 4:46PM 0.50 | 5:15AM 0.35 | 5:24PM 0.42 | 5:54AM 0.26 | 6:02PM 0.40 | 6:35AM 0.23 | 6:41PM 0.43 | 7:16AM 0.25 | |||||||||||||
Thu 03 | Friday 04 | Saturday 05 | Sunday 06 | Monday 07 | Tuesday 08 | Wednesday 09 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tue 15 | ||||||||||||||||||||||||
| Sunrise | - | - | 4:56 | - | - | 4:58 | - | - | 4:58 | - | - | 5:00 | - | - | 5:01 | - | - | 5:01 | - | - | 5:03 | - | - | 5:03 | - | - | 5:05 | - | - | 5:05 | - | - | 5:07 | - | - | 5:09 |
| Sunset | 9:45 | - | - | 9:45 | - | - | 9:44 | - | - | 9:44 | - | - | 9:43 | - | - | 9:43 | - | - | 9:42 | - | - | 9:40 | - | - | 9:39 | - | - | 9:38 | - | - | 9:37 | - | - | 9:37 | - | - |
 |  |  |  |  | |  |  | |  | | | |  | | | | | | | | | | | | | | | |  | |  | | | | | |
Rain (mm) | - | - | - | 3 | 6 | - | - | - | 1 | 2 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 3 | 5 | 7 | 12 | 3 | 6 | - | - | - | - |
| Temp. °C | 15 | 15 | 15 | 15 | 15 | 16 | 17 | 15 | 13 | 15 | 13 | 15 | 15 | 13 | 14 | 15 | 14 | 18 | 18 | 17 | 21 | 21 | 20 | 19 | 19 | 16 | 16 | 16 | 15 | 16 | 15 | 14 | 15 | 16 | 15 | 17 |
| Feels °C (?) | 11 | 13 | 11 | 11 | 14 | 14 | 15 | 14 | 10 | 13 | 10 | 9 | 9 | 10 | 12 | 14 | 14 | 18 | 18 | 18 | 22 | 22 | 22 | 18 | 17 | 14 | 14 | 15 | 14 | 16 | 11 | 10 | 10 | 11 | 13 | 14 |
Short Range Forecast: Moderate rain (total 10mm), heaviest on Fri night. Very mild (max 17°C on Sat afternoon, min 13°C on Thu night). Mainly fresh winds. | Days 3-6 Weather Summary Light rain (total 2mm), mostly falling on Sun afternoon. Very mild (max 18°C on Wed morning, min 11°C on Mon night). Winds decreasing (fresh winds from the NNW on Sun night, calm by Tue night). | Days 6-9 Weather Summary Light rain (total 3mm), mostly falling on Sat morning. Warm (max 21°C on Thu morning, min 15°C on Fri night). Wind will be generally light. | Long Range Forecast: Heavy rain (total 33mm), heaviest during Sun morning. Very mild (max 17°C on Tue morning, min 12°C on Sun night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
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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 12 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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