Hells Mouth (Porth Neigwl) surf break

Hells Mouth (Porth Neigwl) surfForecast / Wales – Lleyn / UK

information circle48hr Weather and Surf, issued 6 pm Wednesday 27 May 2026 BST
Forecast update in hr  min  s Forecast update imminent
Hells Mouth (Porth Neigwl) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Hells Mouth (Porth Neigwl) sea temperature is
13.0° C
(Which is 1.5°C warmer than normal for this time of year)

How big are the waves at Hells Mouth (Porth Neigwl) today (27 May):

  • Afternoon surf: Afternoon surf (27 May, local time) - 0.5ft (0.1m), 18s period with W swell.
  • Evening surf: Evening surf (27 May, local time) - 0.5ft (0.1m), 18s period with W swell.

The current surf forecast for Hells Mouth (Porth Neigwl) at 10PM is: 0.1m 18s primary swell from a West direction and 0.1m 7s secondary swell from a West direction (forecast issued at 06:00pm May 27). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (BST) & DateWave HeightWave Period
Morning (27 May)--
Afternoon (27 May)0.5ft (0.1m)18s
Evening (27 May)0.5ft (0.1m)18s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 5mm), mostly falling on Wed afternoon. Warm (max 24°C on Wed afternoon, min 12°C on Thu night). Wind will be generally light.

Wed
27
Thursday
28
Friday
29
Sat
30
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
1 AM
4 AM
7 AM
10 AM
1 PM
Rating
(10 max)
0
0
0
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 MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.1
W
18
0.1
W
18
0.1
W
18
0.1
W
18
0.1
W
18
0.1
W
17
0.1
W
16
0.1
W
16
0.1
SW
16
0.6
SW
4
0.9
SW
4
0.9
SSW
4
1
SW
5
0.9
SW
5
0.9
SW
5
0.9
SW
5
0.8
SW
5
0.8
SW
5
0.8
SW
5
0.6
SW
5
0.6
SW
5
0.6
SW
5
0.3
WSW
10
0.3
WSW
10
Wave Graph
Metric surfscale
Energy kJ
6
6
6
6
6
6
5
5
10
10
29
35
42
42
43
42
34
32
34
21
19
14
18
18
Wind (km/h)
10
ESE
15
SE
25
ESE
25
ESE
25
ESE
20
SE
15
SSE
10
SW
10
SSW
20
S
30
SSW
25
SSW
25
SSW
25
SW
25
SW
20
SW
15
SSW
15
S
15
S
10
S
15
SSE
10
S
15
S
15
SSW
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross
on
on
cross-on
cross-on
cross-on
on
on
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
6:42PM3.52m
6:59AM3.71m
7:23PM3.71m
7:40AM3.80m
8:01PM3.86m
8:19AM3.86m
Low Tide
1:29PM0.81m
1:49AM0.96m
2:13PM0.78m
2:33AM0.85m
2:51PM0.76m
3:11AM0.76m
clear
thunderstorm
clear
part cloud
rain showers
clear
clear
cloud
cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
clear
part cloud
clear
clear
clear
cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:03
5:03
5:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:25
9:27
9:28
9:30
4
1
Temp °C
23
24
23
20
17
16
16
17
16
15
13
14
13
12
13
13
15
14
14
14
13
13
13
13
23
23
20
17
13
13
14
16
15
13
8
10
9
8
9
10
12
12
11
12
10
11
10
10
Swell 1
Height (m)
Direction
Period (s)
0.2
NNW
4
0.1
NW
4
0.1
W
6
0.1
W
6
0.1
W
16
0.1
SW
16
0.1
SW
16
0.1
SW
16
0.1
SW
16
0.1
W
16
0.1
SW
15
0.1
SW
15
0.1
SW
14
0.1
SW
15
0.2
WSW
12
0.8
SW
5
0.6
SW
5
0.6
SW
5
0.6
SW
5
0.3
WSW
10
0.3
WSW
10
Energy kJ
2
1
1
1
5
10
10
10
10
5
9
8
8
9
14
34
21
19
14
18
18
Swell 2
Height (m)
Direction
Period (s)
0.1
W
7
0.1
W
7
0.1
W
7
0.1
W
6
0.1
W
18
0.1
W
17
0.1
W
6
0.1
W
16
0.1
W
6
0.1
W
11
0.1
W
12
0.1
SW
15
0.2
WSW
11
0.2
WSW
11
0.2
WSW
11
0.2
WSW
9
0.1
SW
16
0.1
SW
15
Energy kJ
1
1
1
1
6
6
1
5
1
2
3
9
12
11
11
8
10
8
Swell 3
Height (m)
Direction
Period (s)
0.1
W
18
0.1
W
18
0.1
W
18
0.1
W
18
0.1
W
6
0.1
W
16
0.1
SW
15
0.1
SW
16
0.1
SW
16
0.1
SW
7
Energy kJ
6
6
6
6
1
5
9
9
10
2
Wind waves
Height (m)
Direction
Period (s)
0.2
ESE
3
0.2
ESE
3
0.5
ESE
3
0.6
ESE
3
0.6
ESE
3
0.5
SE
3
0.4
SE
3
0.2
SSW
2
0.6
SW
4
0.9
SW
4
0.9
SSW
4
1
SW
5
0.9
SW
5
0.9
SW
5
0.9
SW
5
0.8
SW
5
0.8
SW
5
0.4
SW
5
0.4
SW
4
Energy kJ
1
1
5
8
7
5
2
1
10
29
35
42
42
43
42
34
32
8
7
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
138
187
138
189
189
216
282
296
297
553
297
308
297
297
297
297
255
141
137
128
107
107
107
255
Best forecast wave conditions in Lleyn Peninsula
Rating
(10 max)
Best forecast wave conditions in United Kingdom
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
Header Global
Rating
(10 max)
9
7
6
9
9
9
8
9
8
7
7
6
5
5
5
5
4
5
5
5
5
5
5
5
  • 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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