Surf Forecasts:
Porth Ceriad surf forecast from 27 Jul 2026:
- Best quality surf: Thursday 30 Jul, 4AM (local time) - 3ft (0.9m), 5s period, WSW swell with offshore winds.
- Most powerful swell: Tuesday 28 Jul, 10AM (local time) - 3.5ft (1.1m), 5s period, SW swell with 60 kJ wave energy.
- Next surfable swell (1★+): Thursday 30 Jul, 4AM (local time) - 3ft (0.9m), 5s period with WSW 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 Thursday (Jul 30) at 4AM. The primary swell is predicted to be 0.9m and 5s period. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Porth Ceriad in the next 16 days are 1.1m 5s and forecast to arrive on Tuesday (Jul 28) at 10AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Sunday (Aug 02) at 4PM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 4AM (Thu 30th Jul) | 3ft (0.9m) 5s |
| Best Surf | 4AM (Thu 30th Jul) | 3ft (0.9m) 5s |
| Most Powerful | 10AM (Tue 28th Jul) | 3.5ft (1.1m) 5s |
Table - best surf conditions forecast for Porth Ceriad over the next 16 days.
The Lowdown
Right folks, Rusty here. Let's have a look at what's on the menu for the next couple of weeks.
Truth be told, it's a pretty quiet stretch ahead. The swell is small and the wind is a bit of a pain for most of it. The pick of the bunch, and really the only spot worth a proper look, is Porth Ceriad. This is a beginner-friendly spot that's exposed to the southwest, so it picks up whatever is moving.
The water is a notable 65°F at the start, which is a whole 5°F warmer than usual for this time of year – that's very unusual, almost like a warm bath for a wetsuit-free session.
The first real chance to get a wave is on Monday the 28th of July. The morning sees a small 4ft swell from the southwest, but the wind is a moderate cross-onshore at 16 mph, making it a bit choppy and messy. The combined energy is only moderate at 60. It's a grovel, not a classic.
The wind does ease up a bit towards the end of the week. Thursday the 31st of July and Friday the 1st of August bring some cleaner conditions with a light cross-offshore breeze, but the swell drops right off to 1ft. You'd be looking for a longboard or a foamie.
After that, it goes flat. There's a real dry spell from the 2nd of August right through to the 8th of August, with barely a ripple. The 9th of August shows a bit of a pulse with a 2ft southwest swell and a clean offshore wind from the north at 16 mph, which is the best wind of the whole period. The combined energy is weak at 23. It's a small, clean, beginner-friendly morning, but nothing to get excited about.
Overall, there's no standout, firing session here. It's a very flat and inconsistent run. The consistent part is that the conditions are poor for surfing. If you're set on a paddle, the cleanest windows are the 31st of July morning and the 9th of August morning, but keep your expectations low. The setup is so small here that it's not even worth mentioning for kiting.
Rusty.
Short Range ForecastSome drizzle, heaviest during Wed night. Very mild (max 18°C on Mon afternoon, min 15°C on Mon morning). Wind will be generally light. | Days 4-6 Weather SummarySome drizzle, heaviest during Thu morning. Very mild (max 18°C on Thu night, min 13°C on Thu night). Mainly fresh winds. | ||||||||||||||||||||
Monday 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | Friday 31 | Saturday 1 | Sunday 2 | |||||||||||||||
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) | NW 5 | SW 4 | SW 5 | SW 5 | SW 5 | SW 5 | SW 4 | SW 4 | SW 5 | SW 5 | SW 5 | SW 5 | WSW 6 | SW 6 | WSW 5 | SW 5 | WSW 5 | W 8 | W 8 | W 7 | SW 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 15 | 16 | 34 | 60 | 40 | 23 | 5 | 4 | 31 | 27 | 13 | 24 | 22 | 15 | 2 | 6 | 2 | 1 | 1 | 1 | 3 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-off | on | cross-off | cross-off | cross-on | cross-off | cross-off | cross-on | on | cross-off | cross-off | cross-off |
High Tide | 8:04PM3.61m | 8:23AM3.51m | 8:41PM3.85m | 8:59AM3.68m | 9:16PM4.07m | 9:32AM3.82m | 9:49PM4.25m | 10:06AM3.92m | 10:23PM4.38m | 10:40AM3.99m | 10:57PM4.42m | 11:15AM4.00m | 11:32PM4.39m | ||||||||
Low Tide | 2:51PM1.04m | 3:18AM0.86m | 3:28PM0.83m | 3:55AM0.66m | 4:02PM0.66m | 4:30AM0.51m | 4:35PM0.55m | 5:04AM0.42m | 5:09PM0.50m | 5:38AM0.39m | 5:41PM0.53m | 6:12AM0.44m | 6:13PM0.62m | ||||||||
 |  |  | | |  | |  |  |  | | | | | | | | | | | | |
 | 5:26 | — | — | 5:28 | — | — | 5:30 | — | — | 5:31 | — | — | 5:33 | — | — | 5:35 | — | — | 5:37 | — | — |
 | — | — | 9:20 | — | — | 9:17 | — | — | 9:16 | — | — | 9:15 | — | — | 9:13 | — | — | 9:12 | — | — | 9:09 |
mm | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 18 | 18 | 18 | 18 | 17 | 17 | 18 | 17 | 15 | 16 | 18 | 14 | 15 | 17 | 14 | 15 | 15 | 16 | 18 | 19 |
Feels °C | 12 | 17 | 17 | 15 | 15 | 16 | 16 | 16 | 15 | 14 | 13 | 13 | 10 | 11 | 13 | 11 | 12 | 13 | 15 | 16 | 16 |
Swell 1 Height (m) Direction Period (s) | NW 5 | NNW 4 | — | — | — | SW 5 | SW 4 | — | — | SW 5 | NW 4 | SW 5 | WSW 6 | SW 6 | WSW 5 | SW 5 | WSW 5 | — | W 8 | W 7 | SW 8 |
| kJ | 14 | 2 | — | — | — | 23 | 5 | — | — | 27 | 6 | 24 | 22 | 15 | 2 | 6 | 2 | — | 1 | 1 | 3 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | NW 4 | — | — | W 8 | W 8 | W 8 | — | — | W 7 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | 1 | 1 | 1 | — | — | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 8 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 5 | SW 4 | SW 5 | SW 5 | SW 5 | — | — | SW 4 | SW 5 | NW 3 | SW 5 | NW 3 | — | NW 3 | — | — | NW 3 | N 3 | — | NNW 4 | N 3 |
| kJ | 15 | 16 | 34 | 60 | 40 | — | — | 4 | 31 | 2 | 13 | 2 | — | 3 | — | — | 2 | 2 | — | 16 | 3 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 303 | 289 | 229 | 263 | 296 | 254 | 296 | 317 | 200 | 337 | 334 | 533 | 306 | 566 | 339 | 510 | 320 | 339 | 254 | 317 | 254 |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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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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