Surf Forecasts:
Pontllyfni surf forecast from 1 Sep 2026:
- Best quality surf: Monday 7 Sep, 10PM (local time) - 6ft (1.8m), 6s period, SW swell with cross-offshore winds.
- Most powerful swell: Tuesday 8 Sep, 4AM (local time) - 8ft (2.5m), 8s period, WSW swell with 923 kJ wave energy.
- Next surfable swell (1★+): Monday 7 Sep, 10PM (local time) - 6ft (1.8m), 6s period with SW swell.
Best Forecast Surf Conditions for Pontllyfni this week:
The surf forecast for Pontllyfni over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Sep 07) at 10PM. The primary swell is predicted to be 1.8m and 6s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Pontllyfni in the next 16 days are 2.5m 8s and forecast to arrive on Tuesday (Sep 08) at 4AM. 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 5s period and expected on Wednesday (Sep 02) at 10AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10PM (Mon 7th Sep) | 6ft (1.8m) 6s |
| Best Surf | 10PM (Mon 7th Sep) | 6ft (1.8m) 6s |
| Most Powerful | 4AM (Tue 8th Sep) | 8ft (2.5m) 8s |
Table - best surf conditions forecast for Pontllyfni over the next 16 days.
Short Range ForecastHeavy rain (total 27mm), heaviest during Wed morning. Very mild (max 18°C on Wed afternoon, min 15°C on Tue night). Winds increasing (light winds from the SW on Tue night, fresh winds from the SSW by Thu night). | Days 4-6 Weather SummaryMostly dry. Very mild (max 17°C on Fri afternoon, min 12°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | |||||||||||||||
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) | SW 4 | SW 5 | SW 5 | SSW 5 | SW 6 | SW 7 | SW 7 | SW 5 | SW 7 | SW 7 | WSW 4 | NW 5 | SW 6 | SW 6 | SW 13 | SW 13 | SW 13 | SW 6 | SW 6 | SW 4 | SW 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 19 | 60 | 45 | 0 | 167 | 244 | 75 | 86 | 208 | 91 | 43 | 31 | 10 | 5 | 7 | 7 | 6 | 0 | 23 | 15 | 349 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-off | off | cross-off | cross | cross | cross-off | cross-off | cross-on | cross-on | on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off |
High Tide | 11:46AM3.61m | 00:04AM3.80m | 12:25PM3.48m | 00:47AM3.57m | 1:10PM3.28m | 1:38AM3.26m | 2:06PM3.03m | 2:43AM2.93m | 3:22PM2.83m | 4:14AM2.73m | 4:59PM2.83m | 5:53AM2.78m | 6:24PM3.08m | ||||||||
Low Tide | 6:45PM0.41m | 7:14AM0.44m | 7:27PM0.62m | 7:58AM0.72m | 8:18PM0.85m | 8:54AM0.99m | 9:27PM1.06m | 10:12AM1.19m | 11:00PM1.12m | 11:45AM1.19m | 00:33AM0.94m | 1:05PM0.97m | 1:44AM0.58m | ||||||||
 |  |  |  |  |  | | |  | |  |  | | |  | | |  | | | | |
 | 6:26 | — | — | 6:26 | — | — | 6:28 | — | — | 6:31 | — | — | 6:33 | — | — | 6:33 | — | — | 6:35 | — | — |
 | — | 8:07 | — | — | 8:05 | — | — | 8:01 | — | — | 8:00 | — | — | 7:58 | — | — | 7:54 | — | — | 7:52 | — |
mm | — | — | 4 | 15 | 1 | 1 | — | — | 6 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 17 | 16 | 17 | 18 | 18 | 17 | 18 | 18 | 15 | 17 | 15 | 15 | 15 | 13 | 16 | 17 | 17 | 18 | 18 | 16 |
Feels °C | 13 | 13 | 14 | 14 | 16 | 15 | 15 | 15 | 13 | 11 | 12 | 10 | 11 | 12 | 11 | 11 | 13 | 15 | 17 | 17 | 16 |
Swell 1 Height (m) Direction Period (s) | — | — | SW 5 | — | — | — | SW 14 | — | — | SW 7 | — | SW 6 | NW 4 | SW 6 | WSW 5 | SW 13 | SW 13 | — | SW 6 | NW 4 | — |
| kJ | — | — | 45 | — | — | — | 8 | — | — | 91 | — | 19 | 10 | 5 | 3 | 7 | 6 | — | 23 | 2 | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | SW 14 | — | SW 14 | SW 6 | WNW 4 | SW 13 | — | — | — | SW 14 | WSW 12 | — |
| kJ | — | — | — | — | — | — | — | — | — | 8 | — | 8 | 8 | 1 | 7 | — | — | — | 7 | 15 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | SW 14 | NW 4 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 7 | 1 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 4 | SW 5 | — | SSW 5 | SW 6 | SW 7 | SW 7 | SW 5 | SW 7 | NW 4 | WSW 4 | NW 5 | — | SW 2 | SSW 3 | SSW 4 | SSW 5 | SW 6 | WNW 4 | SW 4 | SW 6 |
| kJ | 19 | 60 | — | 116 | 167 | 244 | 75 | 86 | 208 | 3 | 43 | 31 | — | 1 | 2 | 26 | 86 | 112 | 13 | 12 | 349 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 282 | 296 | 258 | 279 | 278 | 288 | 282 | 283 | 283 | 155 | 27 | 152 | 152 | 220 | 143 | 162 | 328 | 284 | 282 | 282 | 278 |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||||
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 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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