Hells Mouth (Porth Neigwl) Surf Break

Lat Long: 52.82° N 4.58° W

Hells Mouth (Porth Neigwl) 48 hour detailed Surf Forecast

Issued: 12 am 12 Sep 2026 (local time)

Forecast update in  hr  min

Today's Hells Mouth (Porth Neigwl) sea temperature is
17.4°C
1.9° 

Hells Mouth (Porth Neigwl) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Hells Mouth (Porth Neigwl) today (12 Sep):

  • Morning surf: Morning surf (12 Sep, local time) - 6ft (1.9m), 6s period with SW swell.
  • Afternoon surf: Afternoon surf (12 Sep, local time) - 7ft (2.1m), 7s period with SW swell.
  • Evening surf: Evening surf (12 Sep, local time) - 5.5ft (1.7m), 7s period with SW swell.

The current surf forecast for Hells Mouth (Porth Neigwl) at 7AM is: 1.7m 6s primary swell from a Southwest direction (forecast issued at 12:00am September 12). The wind direction is predicted to be onshore.

Time (BST) & DateWave HeightWave Period
Morning (12 Sep)6ft (1.9m)6s
Afternoon (12 Sep)7ft (2.1m)7s
Evening (12 Sep)5.5ft (1.7m)7s

Table - waves today at Hells Mouth (Porth Neigwl). (Swell directed towards the surf break)


Short Range Forecast

Moderate rain (total 10mm), heaviest on Sat morning. Very mild (max 19°C on Sun night, min 15°C on Fri night). Winds decreasing (strong winds from the SW on Sat morning, calm by Sun morning).

Saturday
12
Sunday
13
Monday
14
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
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
1
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
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
SW
4
1.2
SW
5
1.7
SW
6
2
SW
7
2.1
SW
7
2.1
SW
7
1.9
SW
7
1.6
SW
7
1.2
SW
7
1
SW
7
0.9
SW
7
0.6
SW
6
0.6
SW
6
0.5
SW
6
0.5
SW
6
0.5
SW
6
0.4
SW
6
0.4
SW
6
1
SW
5
1.3
SW
5
1.1
SW
5
1.1
SW
5
1.4
SW
6
1.4
SW
6
Wave Graph
Metric surfscale
Energy kJ
16
68
197
337
410
415
314
220
135
88
63
34
34
21
20
20
14
9
41
87
74
65
119
132
Wind (km/h)
30
SSW
40
SSW
45
SSW
45
SW
45
SW
40
SW
35
SW
25
WSW
15
WSW
10
NW
10
N
5
N
5
WNW
10
WSW
10
S
15
S
20
S
20
SSW
20
SSW
25
SSW
30
SSW
35
SSW
40
SSW
40
SSW
Wind State
on
cross-on
on
on
on
on
on
on
on
cross
cross-off
glassy
glassy
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
on
cross-on
cross-on
High Tide
9:33AM4.45m
9:50PM4.85m
10:10AM4.47m
10:28PM4.72m
10:46AM4.37m
Low Tide
4:29AM-0.11m
4:37PM0.12m
5:03AM0.00m
5:10PM0.20m
5:34AM0.22m
5:41PM0.37m
part cloud
part cloud
cloud
light rain
light rain
cloud
light rain
cloud
cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
light rain
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:46
6:47
6:48
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:42
7:38
7:37
 mm
1
5
1
3
Temp °C
15
15
16
16
16
17
17
17
17
17
16
16
16
16
17
17
16
17
19
17
17
18
18
18
Feels °C
10
8
9
9
9
12
13
15
16
17
15
16
16
15
16
16
14
15
18
15
14
14
13
12
  • 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 

Eyeball surf reportRecent Eyeball Surf Reports for Wales - Lleyn

  1. West Coast Surf: ‘Porth Neigwl: Choppy waves hadn't tidied much (from what I could see in the dark.’

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