Surf Forecasts:
Porth Ceriad surf forecast from 27 Jun 2026:
- Most powerful swell: Saturday 27 Jun, 10PM (local time) - 5ft (1.6m), 7s period, SW swell with 241 kJ wave energy.
Best Forecast Surf Conditions for Porth Ceriad this week:
The most powerful waves expected at Porth Ceriad in the next 16 days are 1.6m 7s and forecast to arrive on Saturday (Jun 27) at 10PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 4s period and expected on Wednesday (Jul 01) at 1PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 10PM (Sat 27th Jun) | 5ft (1.6m) 7s |
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 Sat night. Very mild (max 18°C on Sat morning, min 13°C on Sun night). Winds decreasing (fresh winds from the SSW on Sat afternoon, light winds from the SSW by Mon morning). | Days 4-6 Weather SummarySome drizzle, heaviest during Wed night. Very mild (max 17°C on Thu afternoon, min 14°C on Mon night). Winds increasing (light winds from the S on Tue morning, strong winds from the SSW by Wed night). | ||||||||||||||||||||
Saturday 27 | Sunday 28 | Monday 29 | Tuesday 30 | Wednesday 1 | Thursday 2 | Friday 3 | |||||||||||||||
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) | SSW 5 | SW 6 | SW 7 | SW 7 | SW 5 | SW 7 | SW 7 | SW 7 | SW 6 | SSW 4 | SW 5 | SW 6 | SW 7 | SW 6 | SW 4 | WSW 6 | WSW 6 | SW 6 | SW 5 | NW 4 | SW 4 |
Wave Graph  | |||||||||||||||||||||
 kJ | 55 | 170 | 211 | 147 | 106 | 158 | 46 | 36 | 31 | 7 | 25 | 45 | 49 | 19 | 20 | 105 | 55 | 16 | 7 | 3 | 2 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on | on | cross-on | cross-on | cross-off | cross-off | cross-off | cross | cross-on | cross |
High Tide | 7:17AM3.43m | 7:39PM3.59m | 7:59AM3.54m | 8:19PM3.74m | 8:39AM3.64m | 8:57PM3.88m | 9:16AM3.71m | 9:33PM3.99m | 9:51AM3.74m | 10:09PM4.07m | 10:26AM3.74m | 10:44PM4.11m | 11:02AM3.72m | 11:20PM4.11m | |||||||
Low Tide | 2:27PM1.07m | 2:54AM0.98m | 3:08PM0.97m | 3:34AM0.84m | 3:45PM0.87m | 4:11AM0.73m | 4:21PM0.78m | 4:49AM0.66m | 4:56PM0.73m | 5:26AM0.63m | 5:32PM0.73m | 6:04AM0.65m | 6:07PM0.77m | ||||||||
 |  |  | | |  |  | | | | | | | | | | |  | | | | |
 | 4:54 | — | — | 4:54 | — | — | 4:56 | — | — | 4:56 | — | — | 4:56 | — | — | 4:58 | — | — | 4:58 | — | — |
 | — | — | 9:45 | — | — | 9:45 | — | — | 9:45 | — | — | 9:45 | — | — | 9:45 | — | — | 9:45 | — | — | 9:45 |
mm | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — |
Temp °C | 18 | 18 | 16 | 14 | 15 | 15 | 14 | 15 | 15 | 16 | 16 | 15 | 16 | 16 | 15 | 14 | 17 | 16 | 14 | 16 | 17 |
Feels °C | 14 | 13 | 12 | 10 | 9 | 11 | 12 | 13 | 14 | 15 | 15 | 14 | 15 | 15 | 7 | 7 | 13 | 13 | 11 | 13 | 14 |
Swell 1 Height (m) Direction Period (s) | W 16 | — | SW 15 | — | — | WSW 13 | SW 7 | SW 7 | SW 6 | SW 6 | SW 13 | SW 6 | SW 7 | SW 6 | SW 9 | — | WSW 6 | SW 6 | SW 5 | NW 4 | SW 4 |
| kJ | 5 | — | 9 | — | — | 18 | 46 | 36 | 31 | 6 | 6 | 45 | 49 | 19 | 3 | — | 55 | 16 | 7 | 2 | 2 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | NW 4 | — | SW 13 | SW 13 | — | WSW 12 | — | WSW 9 | W 12 | — | — | — | W 11 | WSW 5 | SW 5 |
| kJ | — | — | — | — | — | — | 2 | — | 7 | 7 | — | 15 | — | 8 | 3 | — | — | — | 2 | 3 | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | WSW 13 | SW 13 | W 13 | W 13 | — | SW 12 | — | — | — | — | — | — | — | W 11 | — |
| kJ | — | — | — | — | — | — | 17 | 7 | 3 | 3 | — | 6 | — | — | — | — | — | — | — | 2 | — |
Wind waves Height (m) Direction Period (s) | SSW 5 | SW 6 | SW 7 | SW 7 | SW 5 | SW 7 | — | — | — | SSW 4 | SW 5 | — | NW 4 | NW 3 | SW 4 | WSW 6 | — | NNW 4 | NW 4 | — | — |
| kJ | 55 | 170 | 211 | 147 | 106 | 158 | — | — | — | 7 | 25 | — | 6 | 4 | 20 | 105 | — | 1 | 3 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 363 | 339 | 252 | 373 | 494 | 120 | 3 | 135 | 125 | 132 | 252 | 60 | 60 | 312 | 341 | 525 | 138 | 125 | 138 | 396 | 138 |
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 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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