Surf Break

Lat Long: 52.94° N 4.56° W

Porth Dinllaen 48 hour detailed Surf Forecast

Issued: 6 pm 30 Sep 2026 (local time)

Forecast update in  hr  min

Today's Porth Dinllaen sea temperature is
16.6°C
1.8° 

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


How big are the waves at Porth Dinllaen today (01 Oct):

  • Morning surf: Morning surf (01 Oct, local time) - 4.5ft (1.4m), 11s period with SW swell.
  • Afternoon surf: Afternoon surf (01 Oct, local time) - 4.5ft (1.3m), 10s period with SW swell.
  • Evening surf: Evening surf (01 Oct, local time) - 1.5ft (0.4m), 10s period with WSW swell.

The current surf forecast for Porth Dinllaen at 1AM is: 1.4m 11s primary swell from a Southwest direction (forecast issued at 06:00pm September 30). The wind direction is predicted to be cross-shore.

Time (BST) & DateWave HeightWave Period
Morning (01 Oct)4.5ft (1.4m)11s
Afternoon (01 Oct)4.5ft (1.3m)10s
Evening (01 Oct)1.5ft (0.4m)10s

Table - waves today at Porth Dinllaen. (Swell directed towards the surf break)


Short Range Forecast

Moderate rain (total 12mm), heaviest on Fri night. Very mild (max 16°C on Wed afternoon, min 12°C on Fri night). Winds decreasing (strong winds from the S on Fri morning, light winds from the NW by Sat morning).

Wed
30
Thursday
1
Friday
2
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
0
0
1
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)
2.1
SW
11
2
SW
11
1.6
SW
11
1.4
SW
11
1.5
SW
11
1.4
SW
11
1.4
SW
11
1.3
SW
11
1.3
SW
10
1.3
SW
5
0.4
WSW
10
0.4
SW
10
1.8
SW
6
2
SW
7
2
SW
7
2
SSW
7
2.2
SW
8
2.1
SW
8
2.1
SW
7
Wave Graph
Metric surfscale
Energy kJ
1047
897
606
462
505
415
415
361
344
0
38
23
245
373
407
417
531
464
485
Wind (km/h)
40
SSW
30
SSW
20
SSW
20
SW
25
WSW
30
WSW
30
WSW
25
SW
30
SSW
30
SSW
35
S
35
S
40
S
40
S
45
S
45
S
45
SSW
40
SSW
40
SSW
Wind State
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
11:42PM3.82m
12:02PM3.65m
00:28AM3.52m
12:50PM3.39m
Low Tide
6:26PM0.32m
6:51AM0.50m
7:14PM0.54m
7:41AM0.80m
8:13PM0.78m
rain showers
rain showers
thunderstorm
thunderstorm
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
cloud
cloud
rain showers
part cloud
part cloud
part cloud
part cloud
light rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
—
7:18
—
—
—
—
—
—
—
7:20
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:58
—
—
—
—
—
—
—
6:55
—
—
—
—
—
—
—
6:53
—
—
 mm
1
1
2
1
—
—
—
—
—
—
—
—
—
1
—
—
—
—
1
Temp °C
16
15
15
15
14
14
14
15
15
15
15
15
15
15
15
16
16
16
16
Feels °C
9
10
11
11
9
8
8
9
9
9
9
9
8
8
7
8
9
10
10
  • 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 

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