Hells Mouth (Porth Neigwl) surf break

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

information circle48hr Weather and Surf, issued 12 am 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
12.6° C
(Which is 1.2°C warmer than normal for this time of year)

How big are the waves at Hells Mouth (Porth Neigwl) today?

The current surf forecast for Hells Mouth (Porth Neigwl) at 6AM is: 0.1m 13s primary swell from a West direction and 0.1m 7s secondary swell from a Southwest direction (forecast issued at 12:00am May 27). An open ocean swell of 0.4m 5s is not directed at the surf break, a second open ocean swell of 0.3m 2s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (BST) & DateWave HeightWave Period
Morning (27 May)0.5ft (0.1m)13s
Afternoon (27 May)0.5ft (0.1m)4s
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 4mm), mostly falling on Wed afternoon. Warm (max 23°C on Tue night, min 12°C on Thu night). Winds increasing (light winds from the NE on Wed afternoon, fresh winds from the SW by Thu night).

Wednesday
27
Thursday
28
Friday
29
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
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
Wave
Height (m)
Direction
Period (s)
0.1
W
13
0.1
W
13
0.1
W
13
0.1
W
13
0.1
W
12
0.1
W
7
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
0.5
SW
4
0.8
SW
4
0.8
SW
4
0.8
SW
5
0.7
WSW
5
0.6
WSW
5
0.5
SW
5
0.5
SW
5
0.5
SW
5
0.5
SW
5
Wave Graph
Metric surfscale
Energy kJ
3
3
3
3
3
1
6
6
6
6
6
5
5
10
10
20
27
25
19
14
11
12
14
12
Wind (km/h)
10
NE
10
ENE
15
ESE
15
ESE
10
ESE
5
NE
15
ESE
20
ESE
25
ESE
20
ESE
20
ESE
15
SSE
10
SSW
10
SW
20
SSW
30
SW
25
SSW
20
SW
15
SW
15
SW
15
SSW
15
SSW
15
S
15
S
off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
on
on
cross-on
on
cross-on
on
on
on
on
cross-on
cross-on
cross-on
High Tide
6:12AM3.61m
6:42PM3.52m
6:59AM3.71m
7:23PM3.71m
7:40AM3.80m
8:01PM3.86m
Low Tide
00:57AM1.09m
1:29PM0.81m
1:49AM0.96m
2:13PM0.78m
2:33AM0.85m
2:51PM0.76m
clear
clear
clear
clear
part cloud
rain showers
clear
thunderstorm
light rain
rain showers
clear
clear
cloud
part cloud
clear
cloud
cloud
cloud
cloud
part cloud
part cloud
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:05
5:03
5:03
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
9:25
9:27
9:28
1
1
1
1
Temp °C
21
21
18
18
20
22
23
22
18
16
15
16
18
17
14
12
13
13
13
13
14
14
14
14
21
21
16
17
19
23
22
20
14
12
12
14
17
16
11
7
9
10
11
11
12
11
11
11
Swell 1
Height (m)
Direction
Period (s)
0.5
N
4
0.4
NNW
4
0.4
NW
5
0.3
NNW
5
0.2
NNW
5
0.2
ESE
3
0.1
NW
4
0.1
W
6
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
SW
16
0.6
SW
5
0.6
WSW
5
0.5
SW
5
0.1
SW
15
0.2
WSW
12
0.2
WSW
11
Energy kJ
9
8
6
4
2
1
1
1
1
1
5
10
10
10
10
10
17
14
11
9
14
12
Swell 2
Height (m)
Direction
Period (s)
0.1
SW
7
0.1
SW
7
0.1
SW
7
0.1
SW
7
0.1
SW
7
0.1
NW
4
0.1
W
7
0.1
W
7
0.1
W
18
0.1
W
18
0.1
W
17
0.1
W
6
0.1
W
16
0.1
SW
15
0.1
SW
15
0.1
SW
14
0.1
W
12
0.1
SW
15
0.1
SW
15
Energy kJ
2
2
2
2
2
1
1
1
6
6
6
1
5
9
8
8
3
9
9
Swell 3
Height (m)
Direction
Period (s)
0.1
W
13
0.1
W
13
0.1
W
13
0.1
W
13
0.1
W
12
0.1
W
7
0.1
W
18
0.1
W
18
0.1
W
15
0.1
W
15
Energy kJ
3
3
3
3
3
1
6
6
4
5
Wind waves
Height (m)
Direction
Period (s)
0.3
ESE
3
0.3
ESE
3
0.3
ESE
3
0.2
ESE
3
0.5
ESE
3
0.7
ESE
4
0.6
ESE
3
0.5
SE
3
0.4
SE
3
0.2
SSW
2
0.4
SW
3
0.5
SW
4
0.8
SW
4
0.8
SW
4
0.8
SW
5
0.7
WSW
5
0.5
SW
5
0.5
SW
5
0.5
SW
5
Energy kJ
1
2
2
1
5
11
8
5
3
1
2
7
20
27
25
19
12
11
10
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)
128
114
114
138
297
138
187
189
189
189
189
282
297
297
536
297
297
308
297
297
297
285
281
143
Best forecast wave conditions in Lleyn Peninsula
Rating
(10 max)
Best forecast wave conditions in United Kingdom
Rating
(10 max)
2
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
Header Global
Rating
(10 max)
7
7
9
9
7
8
6
6
9
9
9
7
9
8
7
7
6
6
6
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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