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Criccieth Surf Forecast
/ Wales – Lleyn (14 surf breaks) /
Surf Forecasts:
Criccieth surfForecast / Wales – Lleyn / UK
12 Day Weather and Surf, issued 6 pm Tuesday 16 Sep 2025 BST
Best Forecast Surf Conditions for Criccieth this week:
The most powerful waves expected at Criccieth in the next 12 days are 1.8m 9s and forecast to arrive on Wednesday (Sep 17) at 4PM. Winds are predicted to be 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 (Sep 21) at 10AM.
| Wave Type | Time (BST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 4PM (Wed 17th Sep) | 6ft (1.8m) 9s |
Table - best surf conditions forecast for Criccieth over the next 12 days.
Short Range Forecast Heavy rain (total 40mm), heaviest during Tue night. Very mild (max 17°C on Wed morning, min 13°C on Tue night). Mainly fresh winds. | Days 3-6 Weather Summary Heavy rain (total 48mm), heaviest during Sat afternoon. Very mild (max 18°C on Fri afternoon, min 9°C on Sat night). Winds increasing (calm on Sat morning, fresh winds from the N by Sat night). | ||||||||||||||||||||||
Tue 16 | Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | |||||||||||||||||
| 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 (m) & direction (?) | |||||||||||||||||||||||
| Period(s) (?) | 6 | 5 | 8 | 9 | 6 | 7 | 8 | 7 | 8 | 9 | 9 | 9 | 9 | 9 | 8 | 14 | 13 | 13 | 13 | 13 | 5 | ||
Wave (?)Graph  | |||||||||||||||||||||||
 kJ (?) | 58 | 55 | 485 | 493 | 124 | 292 | 385 | 231 | 200 | 179 | 84 | 32 | 31 | 19 | 10 | 4 | 4 | 3 | 3 | 3 | 4 | ||
Wind (km/h) | |||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | on | on | on | on | on | on | on | on | on | on | glass | off | cross- off | off | off | cross- off | off | off | cross- off | off | ||
High Tide / height (m) | 4:13PM 3.14 | 5:10AM 3.00 | 5:42PM 3.34 | 6:23AM 3.24 | 6:43PM 3.68 | 7:13AM 3.53 | 7:30PM 4.01 | 7:54AM 3.81 | 8:09PM 4.28 | 8:31AM 4.03 | 8:46PM 4.45 | 9:05AM 4.19 | 9:20PM 4.53 | 9:38AM 4.26 | |||||||||
Low Tide / height (m) | 12:05AM 1.17 | 12:37PM 1.28 | 1:16AM 0.87 | 1:37PM 0.97 | 2:09AM 0.56 | 2:23PM 0.70 | 2:50AM 0.34 | 3:01PM 0.50 | 3:26AM 0.21 | 3:33PM 0.38 | 3:57AM 0.18 | 4:02PM 0.35 | 4:24AM 0.24 | ||||||||||
Tue 16 | Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | |||||||||||||||||
| Sunrise | - | - | 6:52 | - | - | 6:54 | - | - | 6:56 | - | - | 6:58 | - | - | 6:58 | - | - | 7:01 | - | - | 7:03 | ||
| Sunset | 7:30 | - | - | 7:28 | - | - | 7:25 | - | - | 7:22 | - | - | 7:21 | - | - | 7:19 | - | - | 7:15 | - | - | ||
 |  | |  |  | |  |  | | |  | |  | | | |  |  | | | | |||
Rain (mm) | 1 | 27 | 1 | - | 6 | 4 | - | 1 | - | - | 6 | 2 | 24 | 14 | 2 | - | - | - | - | - | - | ||
| Temp. °C | 15 | 16 | 17 | 17 | 15 | 17 | 17 | 17 | 17 | 18 | 15 | 14 | 12 | 11 | 11 | 12 | 11 | 12 | 12 | 9 | 14 | ||
| Feels °C (?) | 11 | 11 | 13 | 13 | 12 | 13 | 13 | 14 | 14 | 15 | 15 | 15 | 7 | 6 | 6 | 7 | 8 | 8 | 7 | 7 | 12 | ||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Wales - Lleyn
Onshore wind has changed to cross-on at Hells Mouth (Porth Neigwl) (fresh winds from the S at Aberdaron 11 km from Hells Mouth (Porth Neigwl)). 1.0m 5s windswell from the SW with a 0.2m 9s swell from the WSW. 2 swells combining to make bigger set waves.
18 km away, 1 h 11 min ago
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 Criccieth 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 Criccieth Surf forecast
The above surf forecast table for Criccieth provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Criccieth can be found by selecting the local surf guide option on the grey menu. Our Criccieth 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 (Criccieth) 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 Criccieth 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.
Criccieth is 4 km (2 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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