- Forecast
- Maps
- Live
- Weather State
- Spot Information
Porth Ceriad Surf Forecast
/ Wales – Lleyn (14 surf breaks) /
Porth Ceriad surfForecast / Wales – Lleyn / UK
12 Day Weather and Surf, issued 6 pm Thursday 10 Jul 2025 BST
Best Forecast Surf Conditions for Porth Ceriad this week:
The surf forecast for Porth Ceriad over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Jul 15) at 4AM. The primary swell is predicted to be 3ft and 6s period with a secondary swell of 0ft and 12s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Porth Ceriad in the next 12 days are 2ft 11s and forecast to arrive on Thursday (Jul 17) at 7PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2ft 4s period and expected on Tuesday (Jul 15) at 4AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4AM (Tue 15th Jul) | 3ft (0.9m) 6s |
| Best Surf | 4AM (Tue 15th Jul) | 3ft (0.9m) 6s |
| Most Powerful | 7PM (Thu 17th Jul) | 2ft (0.6m) 11s |
Table - best surf conditions forecast for Porth Ceriad over the next 12 days.
Thu 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tue 22 | ||||||||||||||||||||||||
| 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 (ft) & direction (?) | — | — | — | — | — | — | — | |||||||||||||||||||||||||||||
| Period(s) (?) | - | - | - | - | - | - | - | 12 | 14 | 11 | 11 | 3 | 5 | 6 | 6 | 6 | 4 | 4 | 4 | 5 | 6 | 11 | 10 | 10 | 10 | 9 | 9 | 8 | 8 | 4 | 4 | 4 | 5 | 6 | 4 | 5 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||
| Energy (?) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 8 | 2 | 4 | 11 | 40 | 66 | 28 | 24 | 10 | 15 | 24 | 56 | 59 | 39 | 50 | 37 | 37 | 21 | 20 | 7 | 17 | 15 | 21 | 7 | 5 | 5 | 24 | 90 |
Wind (mph) | ||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | glass | glass | glass | cross- off | cross- on | cross- off | cross- on | cross- on | cross- off | on | cross- on | cross- on | cross | cross | cross- on | on | on | on | on | on | cross- on | glass | off | cross- off | off | cross | cross- off | cross | cross- on | cross | cross- on | on | cross- on | cross | cross- on |
High Tide / height (ft) | 9:00PM 12.99 | 9:19AM 12.47 | 9:38PM 13.62 | 9:56AM 12.83 | 10:16PM 14.14 | 10:35AM 13.03 | 10:55PM 14.47 | 11:15AM 13.03 | 11:35PM 14.53 | 11:58AM 12.86 | 12:18AM 14.31 | 12:44PM 12.5 | 1:05AM 13.75 | 1:35PM 12.01 | 1:58AM 12.99 | 2:33PM 11.48 | 3:01AM 12.21 | 3:41PM 11.12 | 4:14AM 11.68 | 4:54PM 11.19 | 5:28AM 11.61 | 6:03PM 11.75 | 6:35AM 11.98 | |||||||||||||
Low Tide / height (ft) | 4:19AM 2.1 | 4:30PM 2.13 | 4:59AM 1.71 | 5:08PM 1.9 | 5:39AM 1.48 | 5:45PM 1.9 | 6:19AM 1.41 | 6:23PM 2.07 | 6:59AM 1.54 | 7:01PM 2.4 | 7:40AM 1.8 | 7:42PM 2.79 | 8:24AM 2.26 | 8:27PM 3.28 | 9:14AM 2.79 | 9:24PM 3.71 | 10:15AM 3.28 | 10:39PM 3.97 | 11:32AM 3.58 | 12:11AM 3.77 | 12:55PM 3.41 | 1:32AM 3.08 | ||||||||||||||
Thu 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tue 22 | ||||||||||||||||||||||||
| Sunrise | - | - | 5:05 | - | - | 5:07 | - | - | 5:07 | - | - | 5:09 | - | - | 5:11 | - | - | 5:11 | - | - | 5:13 | - | - | 5:15 | - | - | 5:16 | - | - | 5:16 | - | - | 5:18 | - | - | 5:20 |
| Sunset | 9:39 | - | - | 9:38 | - | - | 9:37 | - | - | 9:37 | - | - | 9:37 | - | - | 9:36 | - | - | 9:34 | - | - | 9:32 | - | - | 9:31 | - | - | 9:30 | - | - | 9:30 | - | - | 9:28 | - | - |
 |  | | | | | | | |  |  | | | | | | | | | | | | | | | | | | | | | |  | |  |  | |
Rain (in) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 0.1 | 0.1 | 0.0 | 0.3 |
| Temp. °F | 64 | 64 | 68 | 73 | 73 | 75 | 75 | 75 | 73 | 75 | 72 | 61 | 59 | 63 | 57 | 59 | 59 | 61 | 61 | 61 | 63 | 63 | 63 | 61 | 63 | 63 | 66 | 68 | 70 | 70 | 64 | 61 | 61 | 61 | 61 | 59 |
| Feels °F (?) | 64 | 64 | 66 | 72 | 70 | 75 | 73 | 73 | 73 | 75 | 70 | 57 | 48 | 54 | 52 | 55 | 55 | 59 | 59 | 59 | 61 | 61 | 63 | 59 | 63 | 61 | 64 | 64 | 70 | 68 | 59 | 59 | 55 | 54 | 55 | 54 |
Short Range Forecast: Mostly dry. Warm (max 75°F on Sat morning, min 63°F on Thu night). Wind will be generally light. | Days 3-6 Weather Summary Mostly dry. Warm (max 75°F on Sun afternoon, min 55°F on Mon night). Winds increasing (light winds from the NW on Sun afternoon, strong winds from the WSW by Mon afternoon). | Days 6-9 Weather Summary Mostly dry. Very mild (max 66°F on Sat morning, min 59°F on Thu night). Wind will be generally light. | Long Range Forecast: Moderate rain (total 0.6in), heaviest on Tue morning. Warm (max 70°F on Sat night, min 57°F on Tue morning). Winds increasing (light winds from the NE on Sat night, fresh winds from the S by Mon morning). | |||||||||||||||||||||||||||||||||
Join to view 12 day and hourly surf forecasts
- Map Icons:
Break
Live Wave Height (ft)
Live Wind Speed (mph)
Surf Rating (10 Max)
Ocean Swells (ft)- Wind Speed (mph)
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 Ceriad 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 Ceriad Surf forecast
The above surf forecast table for Porth Ceriad provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Porth Ceriad can be found by selecting the local surf guide option on the grey menu. Our Porth Ceriad 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 Ceriad) 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 Ceriad 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.
Porth Ceriad is 29 km (18 miles) from Porthmadog. If you plan a holiday in Lleyn Peninsula, look for hotels and other accommodation in Porthmadog. Porthmadog has rooms for a wide range of budgets as well as car hire and transport links.
Nearest