Surf Forecasts:
Porth Ceriad surf forecast from 10 Jul 2026:
- Most powerful swell: Tuesday 14 Jul, 4PM (local time) - 0.5ft (0.1m), 18s period, SW swell with 12 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 0.1m 18s and forecast to arrive on Tuesday (Jul 14) at 4PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 5s period and expected on Saturday (Jul 11) at 4AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 4PM (Tue 14th Jul) | 0.5ft (0.1m) 18s |
Table - best surf conditions forecast for Porth Ceriad over the next 16 days.
Right then, let's have a look at what's on the menu for the next couple of weeks.
Well, to be honest, it's a bit of a rough patch ahead. The swell is basically non-existent for the next week and a half. We're looking at a long dry spell, with nothing worth paddling out for from now until at least the 22nd of July. There's a tiny bit of energy on the 12th and 13th with a 1ft easterly, but it's got a period of only 3 seconds – that's just wind slop, not a wave you can ride. The combined energy is barely a whisper at 1, so don't even bother.
You'll mostly see clean, glassy mornings and light offshore afternoons, which is a real shame because there's no swell to go with them. The wind is playing ball, but the ocean just isn't.
The only glimmer on the horizon is the tail end of the forecast. Around the 23rd of July, we finally see a pulse of proper SW swell showing up. At Porth Ceriad, we're looking at a 4ft SW swell on the afternoon of the 23rd. The period is a short 5 seconds, though, so it'll be a bit crumbly and this is a beach break, so expect it to be a bit jumbled. The wind will be a problem too, with a cross-onshore breeze making it choppy. The combined energy is moderate (74). The 24th has a 3ft SW swell with a similar 5-second period and light cross-onshore winds, so it's still messy. This is a beginner-friendly spot, and that 4ft might be a bit much for a total novice, but it's the only pulse we've got.
The water temperature is sitting right about average for the time of year, nothing to note there.
So, the honest truth is, there's no standout session in this 16-day run. The best of a bad bunch is the 23rd of July, if you're desperate for a paddle. But for proper, clean waves, you're looking at a long wait.
Rusty.
Short Range ForecastMostly dry. Warm (max 27°C on Sat afternoon, min 18°C on Sat night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 28°C on Wed afternoon, min 15°C on Sun night). Mainly fresh winds. | ||||||||||||||||||||
Friday 10 | Saturday 11 | Sunday 12 | Monday 13 | Tuesday 14 | Wednesday 15 | Thursday 16 | |||||||||||||||
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) | W 10 | W 10 | W 9 | W 8 | W 8 | ESE 3 | E 3 | — | ESE 3 | E 3 | W 19 | W 15 | W 18 | SW 18 | E 3 | W 16 | SW 16 | E 3 | SW 14 | SW 14 | W 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 2 | 2 | 2 | 1 | 1 | 3 | 1 | 0 | 3 | 1 | 7 | 4 | 6 | 12 | 5 | 5 | 10 | 5 | 8 | 8 | 5 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-off | off | glassy | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross | cross-on | off | off |
High Tide | 4:32AM3.54m | 5:13PM3.44m | 5:43AM3.64m | 6:18PM3.68m | 6:47AM3.84m | 7:16PM3.99m | 7:44AM4.06m | 8:09PM4.31m | 8:36AM4.23m | 8:59PM4.59m | 9:25AM4.33m | 9:46PM4.77m | 10:12AM4.33m | 10:33PM4.82m | |||||||
Low Tide | 11:38AM1.08m | 00:14AM1.18m | 1:00PM0.98m | 1:36AM0.93m | 2:09PM0.78m | 2:41AM0.60m | 3:06PM0.56m | 3:37AM0.29m | 3:56PM0.38m | 4:27AM0.05m | 4:42PM0.26m | 5:14AM-0.07m | 5:26PM0.24m | ||||||||
 | |  | | | | | | | | | | | | |  | |  |  |  | | |
 | 5:05 | — | — | 5:05 | — | — | 5:07 | — | — | 5:07 | — | — | 5:09 | — | — | 5:11 | — | — | 5:11 | — | — |
 | — | — | 9:39 | — | — | 9:38 | — | — | 9:37 | — | — | 9:37 | — | — | 9:37 | — | — | 9:36 | — | — | 9:34 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — |
Temp °C | 23 | 25 | 24 | 24 | 27 | 27 | 23 | 27 | 24 | 20 | 26 | 25 | 23 | 27 | 25 | 25 | 28 | 24 | 22 | 25 | 23 |
Feels °C | 23 | 23 | 21 | 24 | 25 | 24 | 21 | 24 | 20 | 17 | 23 | 21 | 21 | 24 | 19 | 22 | 25 | 21 | 21 | 25 | 22 |
Swell 1 Height (m) Direction Period (s) | — | W 9 | W 9 | NNW 6 | W 8 | NNW 4 | NNW 4 | — | N 5 | — | — | NNW 4 | W 18 | — | NNW 5 | — | SW 6 | N 4 | — | SW 14 | NNW 5 |
| kJ | — | 2 | 2 | 21 | 1 | 4 | 2 | — | 2 | — | — | 3 | 6 | — | 2 | — | 1 | 3 | — | 8 | 7 |
Swell 2 Height (m) Direction Period (s) | W 10 | W 10 | W 9 | W 7 | W 7 | W 6 | — | — | — | — | W 19 | W 15 | — | SW 18 | S 7 | SW 6 | SW 16 | SW 6 | SW 14 | — | W 12 |
| kJ | 2 | 2 | 2 | 1 | 1 | 1 | — | — | — | — | 7 | 4 | — | 12 | 1 | 2 | 10 | 1 | 8 | — | 3 |
Swell 3 Height (m) Direction Period (s) | — | — | — | W 8 | — | W 8 | — | — | — | — | W 15 | — | — | — | W 14 | W 16 | W 13 | W 13 | S 6 | SW 6 | W 15 |
| kJ | — | — | — | 1 | — | 1 | — | — | — | — | 4 | — | — | — | 4 | 5 | 3 | 3 | 1 | 1 | 4 |
Wind waves Height (m) Direction Period (s) | — | NNW 3 | NNW 4 | — | NW 5 | ESE 3 | E 3 | — | ESE 3 | E 3 | — | E 3 | NE 3 | — | E 3 | E 3 | — | E 3 | E 3 | — | E 3 |
| kJ | — | 2 | 15 | — | 12 | 3 | 1 | — | 3 | 1 | — | 3 | 1 | — | 5 | 1 | — | 5 | 1 | — | 5 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 125 | 125 | 133 | 216 | 223 | 248 | 336 | 343 | 345 | 401 | 133 | 254 | 113 | 189 | 254 | 189 | 286 | 216 | 200 | 297 | 262 |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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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