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Surf Forecasts:

Porth Ceriad surf break

Porth Ceriad surfForecast / Wales – Lleyn / UK

information circle12 Day Weather and Surf, issued 5 pm Thursday 12 Feb 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
7.3° 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 (Feb 14) at 3AM. The primary swell is predicted to be 0.5m and 12s period with a secondary swell of 0.1m and 6s. 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 1.7m 13s and forecast to arrive on Friday (Feb 13) at 3AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 6s period and expected on Tuesday (Feb 17) at 3AM.

Wave TypeTime (GMT) & Date Wave Height & Period
Next good surf (1 star+) 3AM (Sat 14th Feb)1.5ft (0.5m) 12s
Best Surf 3PM (Sun 15th Feb)5ft (1.5m) 10s
Most Powerful 3AM (Fri 13th Feb)5.5ft (1.7m) 13s

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 Moderate rain (total 17mm), heaviest on Sat night. Mild temperatures (max 9°C on Sat night, min 3°C on Sat night). Mainly near gales.

Days 3-6 Weather Summary Moderate rain (total 13mm), heaviest on Sun afternoon. Mild temperatures (max 8°C on Sun afternoon, min 4°C on Tue night). Winds increasing (light winds from the NNW on Sun afternoon, near gales from the ESE by Wed morning).

Thu
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
3
1
1
0
0
1
0
0
0
3
0
0
0
0
2
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
2.1
WSW
1.9
WSW
1.4
SW
0.9
WSW
0.6
WSW
0.4
WSW
0.4
WSW
2.2
SSW
1.7
WSW
1.5
WSW
1.9
WSW
2.3
W
2.4
WSW
1.5
WSW
0.9
WSW
0.7
SW
0.6
SW
0.5
SW
1.2
S
1.9
S
1.6
SW
Period(s) (?)161413121213136810677101111118466
Wave
Graph
(?)Metric surfscale
Energy kJ (?)21071388604247986662318381402263509502412219119962959215171
Wind
(km/h)
20
WSW
15
SW
25
ENE
40
NE
25
NNE
10
NNE
15
SW
55
SSE
30
WSW
10
NNW
45
W
45
W
40
W
40
NW
20
NNE
20
E
30
ESE
45
ESE
45
ESE
30
E
45
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscross-
on		cross-
off		cross-
off		offoffcross-
on		oncrossoffcrosscrosscrosscross-
off		offcrosscross-
on		cross-
on		cross-
on		crosscross
High Tide
/ height (m)
4:58PM
2.77
5:31AM
2.96
5:58PM
2.99
6:21AM
3.27
6:41PM
3.26
7:00AM
3.62
7:17PM
3.55
7:34AM
3.97
7:51PM
3.82
8:07AM
4.30
8:25PM
4.07
8:41AM
4.57
8:59PM
4.26
9:16AM
4.74
Low Tide
/ height (m)
12:03AM
1.57
12:44PM
1.39
1:02AM
1.28
1:32PM
1.07
1:43AM
0.97
2:10PM
0.76
2:19AM
0.69
2:46PM
0.47
2:54AM
0.47
3:20PM
0.25
3:27AM
0.32
3:54PM
0.12
4:00AM
0.26
Thu
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Sunrise--7:39--7:37--7:35--7:33--7:31--7:28--7:26
Sunset5:22--5:24--5:27--5:29--5:30--5:31--5:34--
light rain
rain showers
light rain
cloud
clear
part cloud
cloud
rain showers
rain showers
mod rain
light rain
cloud
part cloud
part cloud
part cloud
cloud
cloud
light rain
mod rain
light rain
mod rain
Rain (mm)
141----92101------2926
Temp. °C886445699887875654544
Feels °C (?)340-6-41-2331-1-30-100-3-7-3-4-6
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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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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