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Surf Forecasts:

Porth Ceriad surf break

Porth Ceriad surfForecast / Wales – Lleyn / UK

information circle12 Day Weather and Surf, issued 5 am Wednesday 28 Jan 2026 GMT
Forecast 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
7.4° C
 (Which is slightly cooler than normal)

Best Forecast Surf Conditions for Porth Ceriad this week:

The surf forecast for Porth Ceriad over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Jan 31) at 3AM. The primary swell is predicted to be 1.4m and 16s period. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Porth Ceriad in the next 12 days are 2.4m 17s and forecast to arrive on Friday (Jan 30) at 12PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 3s period and expected on Friday (Jan 30) at 9PM.

Wave TypeTime (GMT) & Date Wave Height & Period
Next good surf (1 star+) 3AM (Sat 31st Jan)4.5ft (1.4m) 16s
Best Surf12PM (Sat 31st Jan)4.5ft (1.4m) 17s
Most Powerful12PM (Fri 30th Jan)8ft (2.4m) 17s

Table - best surf conditions forecast for Porth Ceriad over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Light rain (total 7mm), mostly falling on Thu night. Mild temperatures (max 9°C on Wed afternoon, min 6°C on Wed night). Winds decreasing (strong winds from the SE on Thu night, light winds from the N by Fri night).

Days 3-6 Weather Summary Moderate rain (total 11mm), heaviest on Sat night. Mild temperatures (max 9°C on Sat night, min 7°C on Sat morning). Winds decreasing (strong winds from the SE on Sun night, calm by Mon afternoon).

Wednesday
28
Thursday
29
Friday
30
Saturday
31
Sunday
01
Monday
02
Tuesday
03
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
2
3
3
3
0
0
0
0
0
1
1
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.4
SW
1.2
SW
1.1
SW
1.2
SW
1.1
SW
0.9
SW
1.6
WSW
2.2
SW
1.5
WSW
1.3
WSW
1.5
WSW
1.2
WSW
1.7
WSW
1.7
SW
1.4
SW
1.6
SW
1.1
SW
0.8
SW
0.6
SW
0.8
WSW
0.7
WSW
Period(s) (?)121111109121817161416148129109991514
Wave
Graph
(?)Metric surfscale
Energy kJ (?)49734429827919619915222590118470110945153658463004892179559272178
Wind
(km/h)
20
SE
20
SE
25
ESE
40
ESE
45
ESE
45
SE
30
SSE
20
ESE
20
NNE
20
NNW
10
W
45
SSE
35
WSW
35
SSW
50
SE
45
SE
5
SSE
5
N
10
WSW
15
WSW
25
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		crosscross-
on		cross-
on		cross-
on		cross-
on		crosscross-
off		offcrossoncross-
on		cross-
on		cross-
on		cross-
on		cross-
on		glasscrosscross-
on		on
High Tide
/ height (m)
3:47PM
3.37
4:28AM
3.37
5:05PM
3.47
5:37AM
3.64
6:10PM
3.70
6:35AM
4.00
7:04PM
3.94
7:26AM
4.35
7:52PM
4.14
8:12AM
4.63
8:36PM
4.27
8:55AM
4.79
9:18PM
4.30
Low Tide
/ height (m)
10:22AM
1.33
11:19PM
1.23
12:02PM
1.12
12:38AM
1.02
1:12PM
0.76
1:37AM
0.73
2:08PM
0.40
2:26AM
0.46
2:55PM
0.11
3:09AM
0.27
3:38PM
-0.06
3:48AM
0.18
4:18PM
-0.08
Wednesday
28
Thursday
29
Friday
30
Saturday
31
Sunday
01
Monday
02
Tuesday
03
Sunrise8:07--8:06--8:03--8:03--8:00--7:58--7:58--
Sunset-4:53--4:55--4:58--5:00--5:01--5:04--5:06-
part cloud
part cloud
clear
part cloud
cloud
rain showers
part cloud
cloud
rain showers
cloud
part cloud
rain showers
part cloud
cloud
light rain
light rain
cloud
cloud
part cloud
clear
clear
Rain (mm)
-----5--2--8--21-----
Temp. °C897788888789898888899
Feels °C (?)331-3-2013325001-1-266544
  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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.

View detailed surf forecast for Porth Ceriad at:
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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 12 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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