Porth Ceriad Surf Break

Lat Long: 52.79° N 4.51° W

Porth Ceriad Surf Forecast and Surf Report

Issued: 6 pm 19 Jul 2026 (local time)

Forecast update in  hr  min

Today's Porth Ceriad sea temperature is
19.3° C
4.1° 

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 19 Jul 2026:

  • Most powerful swell: Wednesday 22 Jul, 1AM (local time) - 0.5ft (0.1m), 16s period, W swell with 5 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 22) at 1AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 5s period and expected on Wednesday (Jul 22) at 1PM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 1AM (Wed 22nd Jul)0.5ft (0.1m) 16s

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


The Lowdown

Alright crew, Rusty here. Let's talk about what we're seeing. Over this whole sixteen-day stretch, it’s a grim one. A proper flat spell is setting in, so you're going to need some patience.

We start with nothing on Sunday the 19th, and that flatness sticks around. For the first week, from the 19th through Friday the 25th, there’s barely a ripple. It’s a big gap of close to no surf, just a few tiny pulses that don't have any power or size. The water is sitting at a notable 67°, which is 7° warmer than normal for this time of year. That's really unusual.

The first time we see any real energy is Sunday the 26th of July at Porth Ceriad. This spot is exposed and beginner-friendly, and it's fairly consistent. Sunday morning has some clouds with a light NW breeze, which is a clean cross-offshore wind. The swell is from the SW at 2ft, but with a short period of 5 seconds. The combined energy is weak at (27). That short period and afternoon onshore wind mean it'll get sloppy quickly.

The best of the lot, the only real standout, is on Wednesday the 30th of July. Now, this is over a week out, so keep that in mind. Thursday morning the 30th sees a pulse of swell at 3ft from the WSW, but again with a short period of 5 seconds. The combined energy lifts to a moderate (51), the highest in the whole run. The wind is a fresh cross-shore from the W at 18 mph, so it'll be lumpy and messy. But by Thursday afternoon, the wind drops to a moderate WNW breeze at 16 mph, going cross-offshore and cleaning it right up. For a short window, you'll have clean, if small and weak, surf.

Honestly, nothing gets over about 3ft, so it’s never too big, but the quality just isn't there. With these short periods, weak energy, and messy winds, conditions are marginal.

Keep looking at the charts, because with the water this warm, things can change. But for now, it's a long wait.

Rusty.

Short Range Forecast

Mostly dry. Very mild (max 19°C on Sun afternoon, min 11°C on Tue night). Mainly fresh winds.

Days 5-7 Weather Summary

Mostly dry. Warm (max 20°C on Fri afternoon, min 13°C on Wed night). Mainly fresh winds.

Sun
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
NNW
4
0.5
N
3
0.1
W
9
0.1
W
8
0.7
N
4
0.5
NNW
5
0.9
NNW
4
0.1
W
16
1
NNW
5
1.1
NNW
5
0.7
N
5
0.6
N
5
0.8
NNW
4
0.3
N
3
0.1
W
13
0.1
W
13
0.1
W
12
0.1
W
12
0.1
NW
4
Wave Graph
Metric surfscale
Energy kJ
0
0
2
1
0
0
0
5
0
0
0
0
0
0
3
3
0
3
3
1
Wind (km/h)
25
NNW
15
NNE
20
N
35
NNW
20
N
15
NNW
20
NNW
25
N
25
N
25
NNW
25
N
20
N
30
NNW
15
NNE
10
N
10
NW
10
NW
15
NW
15
NW
10
WNW
Wind State
cross-off
off
off
off
off
off
off
off
off
cross-off
off
off
off
off
off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
00:49AM4.19m
1:15PM3.57m
1:38AM3.80m
2:07PM3.31m
2:32AM3.43m
3:07PM3.10m
3:38AM3.13m
4:19PM2.98m
4:54AM2.99m
5:31PM3.01m
6:03AM3.01m
6:32PM3.16m
Low Tide
7:30PM0.68m
8:08AM0.62m
8:12PM0.93m
8:49AM0.93m
8:56PM1.18m
9:34AM1.21m
9:49PM1.39m
10:30AM1.41m
11:05PM1.51m
11:50AM1.50m
00:39AM1.48m
1:12PM1.43m
1:49AM1.31m
clear
part cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:16
5:18
5:20
5:20
5:22
5:24
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:30
9:30
9:28
9:27
9:25
9:23
9:22
 mm
Temp °C
19
17
15
15
16
15
17
15
13
19
18
14
16
18
18
20
19
16
17
17
Feels °C
15
13
10
9
13
12
14
11
8
15
15
11
12
15
16
18
17
12
15
16
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder
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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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