Porth Ceriad Surf Break

Lat Long: 52.79° N 4.51° W

Porth Ceriad Surf Forecast and Surf Report

Issued: 6 am 15 Jul 2026 (local time)

Forecast update in  hr  min

Today's Porth Ceriad sea temperature is
18.9° C
3.9° 

Porth Ceriad surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Porth Ceriad surf forecast from 15 Jul 2026:

  • Most powerful swell: Wednesday 15 Jul, 4PM (local time) - 0.5ft (0.1m), 16s period, SW swell with 10 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 16s and forecast to arrive on Wednesday (Jul 15) at 4PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.0m 4s period and expected on Saturday (Jul 18) at 1PM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 4PM (Wed 15th Jul)0.5ft (0.1m) 16s

Table - best surf conditions forecast for Porth Ceriad over the next 16 days.


The Lowdown

Alright, this is Rusty.

Look, I'm gonna level with you. I've been staring at the charts for Porth Ceriad, and it's a tough outlook. We're looking at a 16-day window that starts with a whole lot of nothing. The first week and a half are basically a write-off for any kind of decent surf. You'll see tiny, weak ripples in the water, but that's not surf, that's a lake. The good news is that there's a tiny glimmer of something in the second week, but it's a long, dry wait to get there.

From Wednesday the 15th of July right through to the morning of Tuesday the 28th, the swell is virtually non-existent. We're talking wave heights of 0.3 ft at best, and a combined energy reading that barely cracks single digits (values like 6, 9, 12). That's barely enough energy to ruffle your hair, let alone stand up on a board. The wind is all over the place, clean and glassy at times, but with no swell to push, it's a flat, pretty pond. The water temperature is a very unusual 66°F, which is a massive 7° warmer than what's normal for this time of year. It feels like a bath, but with no waves, you're just floating.

The only time we see a pulse of energy is on Wednesday the 29th of July. A weak, short-period 3 ft swell from the west rolls in, with the combined energy hitting 30. It's not much, but it's something. The problem is the wind turns onshore and choppy, making it a messy, bumpy mess. That trend continues into Thursday the 30th with a bit more energy (60) but still a 3 ft swell from the southwest with cross-onshore wind. The wave period is a pathetic 4 to 6 seconds, so it's just a weak, windswell bump. The setup looks more interesting for a kite surfer than a paddle surfer.

Honestly, for a spot like Porth Ceriad, which is fairly consistent, a blank run like this is a bit of a shocker. But it does happen. Forecasts can change, and the models might pick up something later, but right now, I wouldn't even bother checking the cam for the first ten days. The last couple of days of the outlook offer the only hope, but the quality is poor.

-Rusty

Short Range Forecast

Mostly dry. Warm (max 25°C on Wed night, min 14°C on Fri night). Wind will be generally light.

Days 4-6 Weather Summary

Mostly dry. Very mild (max 19°C on Sun afternoon, min 13°C on Sun night). Winds decreasing (fresh winds from the NNW on Sat morning, calm by Sun morning).

Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.1
W
16
0.1
SW
16
0.1
W
13
0.1
SW
14
0.1
SW
14
0.1
W
15
0.1
W
12
0.1
SW
12
0.1
SW
13
0.1
S
6
1
NNW
5
0.1
SW
11
0.4
NW
5
0.4
NNW
3
0.4
N
3
0.4
NNW
3
0.9
NNW
4
0.1
NW
6
0.4
NNW
5
0.4
NNW
5
0.1
W
16
Wave Graph
Metric surfscale
Energy kJ
5
10
3
8
8
6
3
6
6
1
0
5
0
0
0
0
0
1
0
0
5
Wind (km/h)
10
E
20
NNW
15
ENE
5
NNE
20
NNW
10
NNE
10
NNW
20
NNW
15
N
25
NNW
35
NNW
15
NE
0
S
20
NNW
20
N
25
N
30
NNW
20
N
5
NNW
20
NNW
15
N
Wind State
cross
cross-off
cross-off
glassy
cross-off
cross-off
cross-off
cross-off
off
off
off
cross-off
glassy
cross-off
off
off
off
off
glassy
cross-off
off
High Tide
9:46PM4.77m
10:12AM4.33m
10:33PM4.82m
10:58AM4.23m
11:18PM4.74m
11:43AM4.06m
00:03AM4.51m
12:29PM3.83m
00:49AM4.19m
1:15PM3.57m
1:38AM3.80m
2:07PM3.31m
2:32AM3.43m
Low Tide
4:42PM0.26m
5:14AM-0.07m
5:26PM0.24m
6:00AM-0.05m
6:08PM0.31m
6:44AM0.09m
6:50PM0.46m
7:26AM0.32m
7:30PM0.68m
8:08AM0.62m
8:12PM0.93m
8:49AM0.93m
8:56PM1.18m
clear
clear
clear
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:11
5:11
5:13
5:15
5:16
5:16
5:18
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:36
9:34
9:32
9:31
9:30
9:30
9:28
 mm
Temp °C
21
24
25
22
24
22
20
22
20
15
17
18
18
19
18
16
18
17
19
21
20
Feels °C
22
21
22
21
20
18
17
18
17
8
10
15
16
15
15
11
14
13
18
18
18
  • 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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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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