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Porth Ceriad Surf Forecast
/ Wales – Lleyn (14 surf breaks) /
Surf Forecasts:
Porth Ceriad surfForecast / Wales – Lleyn / UK
16 Day Weather and Surf, issued 6 pm Friday 29 May 2026 BSTForecast update in hr min s Forecast update imminent
Porth Ceriad surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Porth Ceriad sea temperature is
14.0° C
(Which is 2.4°C warmer than normal for this time of year)Porth Ceriad surf forecast from 30 May 2026:
- Best quality surf: Tuesday 2 Jun, 4PM (local time) - 3.5ft (1.1m), 8s period, SW swell with cross-offshore winds.
- Most powerful swell: Thursday 4 Jun, 7PM (local time) - 10ft (3.0m), 8s period, SW swell with 1,225 kJ wave energy.
- Next surfable swell (1★+): Tuesday 2 Jun, 4PM (local time) - 3.5ft (1.1m), 8s period with SW swell.
Best Forecast Surf Conditions for Porth Ceriad this week:
The surf forecast for Porth Ceriad over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Jun 02) at 4PM. The primary swell is predicted to be 1.1m and 8s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Porth Ceriad in the next 16 days are 3.0m 8s and forecast to arrive on Thursday (Jun 04) at 7PM. Winds are predicted to be cross-onshore at the time the swell arrives.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4PM (Tue 2nd Jun) | 3.5ft (1.1m) 8s |
| Best Surf | 4PM (Tue 2nd Jun) | 3.5ft (1.1m) 8s |
| Most Powerful | 7PM (Thu 4th Jun) | 10ft (3.0m) 8s |
Table - best surf conditions forecast for Porth Ceriad over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Mon morning. Very mild (max 14°C on Fri afternoon, min 12°C on Fri night). Wind will be generally light. | Days 5-7 Weather SummaryModerate rain (total 13mm), heaviest on Wed afternoon. Very mild (max 15°C on Tue night, min 10°C on Wed night). Winds increasing (light winds from the SW on Tue afternoon, strong winds from the WSW by Wed night). | ||||||||||||||||||||
Fri 29 | Saturday 30 | Sunday 31 | Monday 1 | Tuesday 2 | Wednesday 3 | Thursday 4 | |||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
SW 5 | SW 5 | WSW 9 | WSW 14 | WSW 12 | WSW 12 | WSW 11 | SW 5 | SW 11 | SW 5 | SW 7 | SW 7 | SW 8 | WSW 9 | SW 5 | SW 6 | WSW 6 | WSW 8 | SW 8 | SW 8 | SW 8 | |
30 | 31 | 17 | 19 | 58 | 78 | 163 | 48 | 30 | 65 | 226 | 109 | 162 | 138 | 96 | 219 | 305 | 693 | 906 | 857 | 227 | |
Wind (km/h) | |||||||||||||||||||||
cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-off | cross-on | on | cross-on | cross | cross-on | cross-on | on | on | |
High Tide | 8:01PM3.86m | 8:19AM3.86m | 8:38PM3.97m | 8:57AM3.89m | 9:14PM4.03m | 9:33AM3.87m | 9:49PM4.04m | 10:08AM3.80m | 10:25PM4.00m | 10:44AM3.70m | 11:01PM3.93m | 11:20AM3.56m | 11:38PM3.83m | 11:58AM3.41m | |||||||
Low Tide | 3:11AM0.76m | 3:25PM0.76m | 3:47AM0.70m | 3:59PM0.77m | 4:22AM0.68m | 4:32PM0.80m | 4:58AM0.70m | 5:08PM0.84m | 5:37AM0.76m | 5:45PM0.91m | 6:18AM0.85m | 6:24PM1.01m | 7:01AM0.96m | ||||||||
 |  |  |  | | | | |  | | | | |  |  | |  | | |  | | |
 | — | — | 5:01 | — | — | 5:01 | — | — | 5:00 | — | — | 4:58 | — | — | 4:58 | — | — | 4:56 | — | — | 4:56 |
 | — | 9:28 | — | — | 9:29 | — | — | 9:30 | — | — | 9:31 | — | — | 9:32 | — | — | 9:34 | — | — | 9:35 | 9:36 |
— | — | — | — | — | — | — | — | 1 | 3 | — | — | — | 1 | 4 | 5 | — | — | — | 5 | 2 | |
Temp °C | 14 | 13 | 13 | 14 | 14 | 13 | 14 | 13 | 13 | 14 | 13 | 13 | 14 | 15 | 13 | 14 | 12 | 12 | 13 | 13 | 14 |
10 | 11 | 10 | 11 | 11 | 10 | 11 | 9 | 9 | 12 | 9 | 12 | 12 | 14 | 6 | 7 | 5 | 4 | 5 | 7 | 6 | |
Swell 1 Height (m) Direction Period (s) | SW 15 | SW 5 | WSW 9 | WSW 8 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | SW 5 | WSW 10 | — | SW 7 | SW 8 | WSW 9 | W 14 | — | — | — | — | — | SW 8 |
 kJ | 9 | 31 | 17 | 14 | 58 | 78 | 50 | 48 | 22 | 21 | — | 109 | 162 | 138 | 4 | — | — | — | — | — | 154 |
Swell 2 Height (m) Direction Period (s) | W 12 | WSW 11 | SW 16 | WSW 14 | WSW 9 | — | — | — | SW 11 | W 14 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 3 | 11 | 10 | 19 | 8 | — | — | — | 30 | 4 | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | SW 16 | — | — | — | — | — | — | SW 14 | — | — | W 13 | — | — | — | — | — | — | — | — | — |
| kJ | — | 9 | — | — | — | — | — | — | 8 | — | — | 3 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 5 | — | SW 4 | SW 4 | SW 4 | SW 5 | WSW 11 | SW 5 | SSE 3 | SW 5 | SW 7 | — | — | — | SW 5 | SW 6 | WSW 6 | WSW 8 | SW 8 | SW 8 | SW 8 |
| kJ | 30 | — | 9 | 4 | 14 | 23 | 163 | 43 | 5 | 65 | 226 | — | — | — | 96 | 219 | 305 | 693 | 906 | 857 | 227 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 252 | 125 | 132 | 252 | 60 | 272 | 272 | 60 | 70 | 70 | 60 | 3 | 0 | 60 | 362 | 566 | 483 | 272 | 295 | 298 | 295 |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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 16 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.
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