Porth Dinllaen Surf Break
Lat Long: 52.94° N 4.56° W

Porth Dinllaen Surf Forecast and Surf Report

Weather Forecast for Porth Dinllaen

Issued: 12 pm 07 Jun 2026 (local time)

Forecast update in  hr  min

Today's Porth Dinllaen sea temperature is
13.9° C

1.7°C warmer than normal for this time of year

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


Porth Dinllaen surf forecast from 7 Jun 2026:

  • Most powerful swell: Monday 8 Jun, 1AM (local time) - 6ft (1.9m), 7s period, SW swell with 344 kJ wave energy.

Best Forecast Surf Conditions for Porth Dinllaen this week:

The most powerful waves expected at Porth Dinllaen in the next 16 days are 1.9m 7s and forecast to arrive on Monday (Jun 08) at 1AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 4s period and expected on Friday (Jun 12) at 4AM.

Wave TypeTime (BST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 1AM (Mon 8th Jun)6ft (1.9m) 7s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Heavy rain (total 21mm), heaviest during Sun night. Very mild (max 14°C on Sun morning, min 10°C on Mon night). Mainly strong winds.

Days 4-6 Weather Summary

Light rain (total 5mm), mostly falling on Wed morning. Very mild (max 19°C on Fri night, min 10°C on Wed morning). Winds decreasing (fresh winds from the WSW on Wed morning, light winds from the SSW by Thu morning).

Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
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)
1.6
SW
6
1.9
SW
7
1.9
SW
7
0.8
SW
7
1
SW
4
1.4
SW
6
1.6
WSW
6
1.4
SW
6
1.2
WSW
5
1.2
WSW
5
1.1
WSW
5
0.8
SW
6
0.6
SW
7
0.5
SW
7
0.6
SW
4
0.6
SW
4
1.1
SW
5
0.6
SW
5
0.5
SW
6
0.4
SW
4
0.1
W
14
Wave Graph
Metric surfscale
Energy kJ
193
325
344
77
32
135
156
128
73
62
59
51
36
21
12
14
51
22
16
4
4
Wind (km/h)
35
SSW
45
SSW
35
SSW
20
WNW
30
SW
30
WSW
40
WSW
30
WSW
30
W
30
WSW
25
WSW
30
WNW
5
SSW
15
SSW
15
SSW
15
NW
15
SSW
15
NNW
5
NNW
10
SW
5
W
Wind State
cross-off
cross-off
cross-off
on
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-off
cross-off
cross-off
on
cross-off
on
glassy
cross
glassy
High Tide
1:53PM2.67m
2:17AM3.04m
2:56PM2.64m
3:19AM3.01m
4:07PM2.70m
4:26AM3.06m
5:14PM2.86m
5:31AM3.19m
6:12PM3.09m
6:30AM3.38m
7:04PM3.35m
7:25AM3.57m
7:54PM3.60m
Low Tide
8:56PM1.11m
9:42AM0.92m
9:50PM1.16m
10:38AM0.88m
10:52PM1.15m
11:38AM0.79m
11:59PM1.05m
12:40PM0.67m
1:05AM0.87m
1:40PM0.53m
2:06AM0.63m
2:36PM0.38m
3:03AM0.37m
cloud
cloud
rain showers
rain showers
rain showers
rain showers
clear
rain showers
rain showers
rain showers
light rain
rain showers
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
4:54
4:54
4:54
4:52
4:52
4:52
4:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:38
9:39
9:40
9:40
9:42
9:43
9:44
 mm
9
1
1
5
2
3
1
2
2
Temp °C
14
13
13
11
12
12
12
14
12
12
13
12
12
13
14
13
16
19
16
19
19
Feels °C
6
4
5
6
5
5
5
8
6
6
7
7
9
10
13
11
13
19
16
18
19
Swell 1
Height (m)
Direction
Period (s)
0.8
SW
7
0.3
NW
4
0.8
SW
6
0.6
SW
7
0.4
NW
4
0.3
SW
6
0.6
SW
5
0.5
SW
6
0.4
SW
4
0.2
WSW
5
Energy kJ
77
2
51
36
5
5
22
16
4
2
Swell 2
Height (m)
Direction
Period (s)
0.4
NW
4
0.3
NW
4
0.3
SW
5
Energy kJ
7
2
4
Swell 3
Height (m)
Direction
Period (s)
0.1
W
14
Energy kJ
4
Wind waves
Height (m)
Direction
Period (s)
1.6
SW
6
1.9
SW
7
1.9
SW
7
0.5
WNW
4
1
SW
4
1.4
SW
6
1.6
WSW
6
1.4
SW
6
1.2
WSW
5
1.2
WSW
5
1.1
WSW
5
0.7
WNW
4
0.6
NW
5
0.5
SW
7
0.6
SW
4
0.6
SW
4
1.1
SW
5
0.5
NW
4
0.4
NW
4
Energy kJ
193
325
344
8
32
135
156
128
73
62
59
15
17
21
12
14
51
9
4
Nearest Offshore or Glassy
Rating
(10 max)
3
1
1
2
1
1
4
3
1
2
3
1
1
1
1
1
1
1
1
1
1
Distance (km)
476
282
98
136
282
265
420
476
282
346
566
142
13
148
154
154
273
156
145
141
141
Best forecast wave conditions in Lleyn Peninsula
Rating
(10 max)
1
Best forecast wave conditions in United Kingdom
Rating
(10 max)
2
3
2
2
1
4
4
2
4
2
2
2
2
1
1
2
3
1
2
Header Global
Rating
(10 max)
8
9
6
5
6
9
9
6
5
9
9
8
6
8
7
5
5
4
4
5
4
  • 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
How to use the Wavefinder
submit an eyeball surf report

Quick surf report for Porth Dinllaen:

join our community of surf reporters

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 Porth Dinllaen 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 Porth Dinllaen Surf forecast

The above surf forecast table for Porth Dinllaen provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Porth Dinllaen can be found by selecting the local surf guide option on the grey menu. Our Porth Dinllaen 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 Dinllaen) 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 Dinllaen 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.

Are you planning a holiday in Lleyn Peninsula? If you are looking for accommodation near Porth Dinllaen, camping, hotels and holiday cottages in Lleyn Peninsula, consider staying in Porthmadog which is 29 km (18 miles) away. Other places in and around Lleyn Peninsula where you can find information about places to rent, and car hire include Anglesey which is 35 km (22 miles) away, Holyhead, Bangor and Llandudno.

Nearest locationNearest