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Surf Forecasts:

Hells Mouth (Porth Neigwl) surf break

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

information circle48hr Weather and Surf, issued 5 pm Friday 30 Jan 2026 GMT
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
7.5° C
 (Which is slightly cooler than normal)

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

The current surf forecast for Hells Mouth (Porth Neigwl) at 8PM is: 1.6m 16s primary swell from a West-southwest direction (forecast issued at 05:00pm January 30). An open ocean swell of 1.0m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (GMT) & DateWave HeightWave Period
Morning (30 Jan)--
Afternoon (30 Jan)7.5ft (2.3m)17s
Evening (30 Jan)5ft (1.5m)16s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Friday
30
Saturday
31
Sunday
01
Monday
02
3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM0 AM3 AM6 AM9 AM12 PM
Rating
(10 max)
2
1
1
1
2
2
2
0
0
0
0
0
1
0
0
0
0
0
0
2
1
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
2.3
SW
1.8
WSW
1.5
WSW
1.4
WSW
1.4
WSW
1.5
SW
1.9
SW
1.9
SW
1.9
WSW
1.4
WSW
1.6
WSW
1.3
WSW
1.2
SW
1.1
SW
0.9
SW
1
WSW
1
WSW
0.8
SW
0.7
SW
0.7
SW
0.4
WSW
0.3
WSW
0.3
WSW
0.4
SW
Period(s) (?)1716161615151616161615141413121010911111616168
Wave
Graph
(?)Metric surfscale
Energy kJ (?)2864175611709098519931761189217669091067691556406216190175101133119103505025
Wind
(km/h)
35
ESE
45
E
40
E
30
E
15
SSE
10
SSE
15
SW
30
SW
30
W
25
WSW
25
WSW
15
SW
15
WSW
20
WSW
25
W
15
W
15
WNW
15
WNW
10
NW
10
ENE
15
E
20
E
25
E
25
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		cross-
off		cross-
off		cross-
off		crosscross-
on		ononcross-
on		cross-
on		onononcross-
on		cross-
on		cross-
on		cross-
on		cross-
on		crosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off
High Tide
/ height (m)
6:10PM
3.70
6:35AM
4.00
7:04PM
3.94
7:26AM
4.35
7:52PM
4.14
8:12AM
4.63
Low Tide
/ height (m)
1:12PM
0.76
1:37AM
0.73
2:08PM
0.40
2:26AM
0.46
2:55PM
0.11
3:09AM
0.27
Friday
30
Saturday
31
Sunday
01
Monday
02
Sunrise------8:03-------8:00-------8:00-
Sunset4:58-------5:00-------5:01-------
cloud
light rain
light rain
light rain
light rain
light rain
light rain
light rain
rain showers
light rain
clear
cloud
light rain
part cloud
light rain
cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
Rain (mm)
-231111211--1-1---------
Temp. °C988888888888998998876667
Feels °C (?)2-2-11454112245425544411-10
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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View detailed surf forecast for Hells Mouth (Porth Neigwl) at:
surf-forecast.com

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