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Porth Nefyn Surf Forecast
/ Wales – Lleyn (14 surf breaks) /
Porth Nefyn surf Forecast / Wales – Lleyn / UK
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Best Forecast Surf Conditions for Porth Nefyn this week:
The most powerful waves expected at Porth Nefyn in the next 12 days are 1.2m 5s and forecast to arrive on Friday (Apr 19) at 10AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 5s period and expected on Thursday (Apr 18) at 10PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 10AM (Fri 19th Apr) | 4ft (1.2m) 5s |
Table - best surf conditions forecast for Porth Nefyn over the next 12 days.
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | |||||||||||||||||||||||||
| 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) (?) | 6 | 4 | 5 | 5 | 4 | 6 | 4 | 4 | 3 | 3 | 3 | 3 | - | 3 | 2 | - | 4 | 2 | 5 | 4 | 4 | 4 | 5 | 3 | 5 | 4 | 13 | 4 | 6 | 6 | 7 | 8 | 4 | 4 | 4 | 5 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||
| Energy (?) | 3 | 0 | 63 | 74 | 18 | 32 | 1 | 3 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 21 | 13 | 3 | 10 | 26 | 2 | 44 | 24 | 3 | 19 | 341 | 210 | 566 | 742 | 49 | 16 | 14 | 10 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- off | cross- on | on | on | cross- on | cross- on | on | cross | glass | cross- on | cross | cross- on | cross- on | glass | cross- on | on | cross- on | cross- on | cross- on | cross- on | cross- on | on | glass | cross- on | cross- on | on | on | on | on | cross- on | on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 6:52PM 2.64 | 6:58AM 2.99 | 7:31PM 2.85 | 7:37AM 3.20 | 8:04PM 3.06 | 8:11AM 3.39 | 8:34PM 3.25 | 8:42AM 3.54 | 9:02PM 3.42 | 9:12AM 3.63 | 9:30PM 3.54 | 9:42AM 3.68 | 9:57PM 3.62 | 10:11AM 3.66 | 10:26PM 3.64 | 10:42AM 3.60 | 10:57PM 3.60 | 11:15AM 3.48 | 11:32PM 3.51 | 11:52AM 3.32 | 12:11AM 3.36 | 12:36PM 3.10 | 12:59AM 3.17 | |||||||||||||
Low Tide / height (m) | 1:11PM 1.01 | 1:24AM 1.17 | 1:57PM 0.80 | 2:07AM 0.95 | 2:33PM 0.60 | 2:42AM 0.74 | 3:05PM 0.44 | 3:13AM 0.57 | 3:34PM 0.33 | 3:45AM 0.44 | 4:04PM 0.28 | 4:17AM 0.36 | 4:35PM 0.30 | 4:50AM 0.35 | 5:08PM 0.39 | 5:25AM 0.41 | 5:42PM 0.52 | 6:03AM 0.54 | 6:19PM 0.70 | 6:43AM 0.70 | 7:00PM 0.88 | 7:31AM 0.87 | 7:50PM 1.06 | |||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | |||||||||||||||||||||||||
| 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 | - | 8:22 | - | - | 8:24 | - | - | 8:27 | - | - | 8:29 | - | - | 8:30 | - | - | 8:31 | - | - | 8:34 | - | - | 8:36 | - | - | 8:37 | - | - | 8:38 | - | - | 8:40 | - | - | 8:43 | - |
 |  |  |  |  |  | | | |  | | | | |  | | | | | |  | | | | | | | | | | | | | | | | |
Rain (mm) | - | 1 | - | 1 | - | - | - | - | - | - | - | - | - | 1 | 2 | - | - | - | - | - | 1 | - | - | - | - | - | 1 | 1 | - | - | - | 6 | 2 | - | - | - |
| Temp. °C | 8 | 10 | 12 | 9 | 9 | 8 | 9 | 10 | 9 | 10 | 11 | 10 | 7 | 7 | 8 | 10 | 11 | 11 | 9 | 9 | 8 | 8 | 8 | 8 | 7 | 9 | 9 | 9 | 9 | 9 | 8 | 7 | 6 | 10 | 11 | 9 |
| Feels °C (?) | 5 | 4 | 6 | 1 | 3 | 2 | 6 | 5 | 3 | 5 | 5 | 6 | 4 | 4 | 7 | 6 | 6 | 7 | 4 | 3 | 4 | 2 | 1 | 5 | 2 | 4 | 4 | 1 | 3 | 4 | 1 | 1 | 0 | 1 | 3 | 3 |
Short Range Forecast: Light rain (total 2mm), mostly falling on Thu afternoon. Very mild (max 12°C on Thu night, min 8°C on Thu morning). Winds decreasing (fresh winds from the NW on Thu night, calm by Sat night). | Days 3-6 Weather Summary Light rain (total 3mm), mostly falling on Mon night. Very mild (max 11°C on Sun afternoon, min 7°C on Mon morning). Wind will be generally light. | Days 6-9 Weather Summary Light rain (total 2mm), mostly falling on Wed night. Mild temperatures (max 9°C on Wed morning, min 7°C on Wed night). Winds increasing (calm on Thu night, fresh winds from the NNW by Fri night). | Long Range Forecast: Light rain (total 9mm), mostly falling on Sun afternoon. Very mild (max 11°C on Mon afternoon, min 6°C on Sun night). Winds increasing (moderate winds from the NNW on Sat night, strong winds from the NNE by Sun night). | |||||||||||||||||||||||||||||||||
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 Nefyn 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.
View detailed surf forecast for Porth Nefyn at:
surf-forecast.com
Information about the Porth Nefyn Surf forecast
The above surf forecast table for Porth Nefyn provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Porth Nefyn can be found by selecting the local surf guide option on the grey menu. Our Porth Nefyn 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 Nefyn) 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 Nefyn 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 Nefyn, camping, hotels and holiday cottages in Lleyn Peninsula, consider staying in Porthmadog which is 27 km (17 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 35 km (22 miles) away, Holyhead, Bangor and Llandudno.
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