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Hells Mouth (Porth Neigwl) Surf Forecast
/ Wales – Lleyn (14 surf breaks) /
Surf Forecasts:
Hells Mouth (Porth Neigwl) surfForecast / Wales – Lleyn / UK
48hr Weather and Surf, issued 6 pm Thursday 23 Apr 2026 BSTForecast 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
10.5° C
(Which is 1.4°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 10PM is: 0.6m 10s primary swell from a Southwest direction (forecast issued at 06:00pm April 23). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Apr) | - | - |
| Afternoon (23 Apr) | 1.5ft (0.4m) | 10s |
| Evening (23 Apr) | 2ft (0.6m) | 10s |
Table - waves today at Hells Mouth (Porth Neigwl). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 16°C on Thu afternoon, min 11°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thu 23 | Friday 24 | Saturday 25 | Sun 26 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 10 | SW 11 | SW 10 | SW 10 | SW 10 | SW 10 | WSW 10 | SW 9 | SW 9 | SW 9 | SW 9 | |
54 | 48 | 76 | 74 | 76 | 90 | 133 | 142 | 140 | 140 | 140 | 112 | 134 | 132 | 115 | 112 | 82 | 79 | 77 | 61 | 41 | 40 | 39 | 38 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | glassy | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | glassy | cross | off | glassy | glassy | cross | cross-on | cross-on | |
High Tide | 1:26PM3.44m | 1:54AM3.58m | 2:40PM3.08m | 3:15AM3.37m | 4:12PM2.97m | 4:43AM3.40m | ||||||||||||||||||
Low Tide | 8:52PM1.26m | 9:44AM1.02m | 10:11PM1.36m | 11:06AM1.01m | 11:31PM1.30m | 12:19PM0.85m | ||||||||||||||||||
 | |  | | | | | | | | |  |  |  | | | |  | | | | | | | |
 | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:56 | — | — | — |
 | — | 8:30 | — | — | — | — | — | — | — | 8:31 | — | — | — | — | — | — | — | 8:34 | — | — | — | — | — | 8:36 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 16 | 14 | 12 | 11 | 12 | 12 | 14 | 16 | 16 | 15 | 14 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 13 | 13 | 12 | 13 |
13 | 13 | 10 | 8 | 7 | 7 | 7 | 11 | 14 | 14 | 11 | 11 | 10 | 10 | 11 | 11 | 12 | 11 | 12 | 12 | 11 | 10 | 9 | 11 | |
Swell 1 Height (m) Direction Period (s) | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 10 | SW 11 | SW 10 | SW 10 | SW 10 | SW 10 | WSW 10 | SW 9 | SW 9 | SW 9 | SW 9 |
 kJ | 54 | 48 | 76 | 74 | 76 | 90 | 133 | 142 | 140 | 140 | 140 | 112 | 134 | 132 | 115 | 112 | 82 | 79 | 77 | 61 | 41 | 40 | 39 | 38 |
Swell 2 Height (m) Direction Period (s) | SE 3 | W 15 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 2 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | W 15 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | ESE 3 | SE 3 | SE 3 | ESE 3 | ESE 3 | ESE 3 | E 3 | E 3 | ESE 3 | ESE 2 | ESE 3 | ESE 2 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 1 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 45 | 45 | 45 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 107 | 107 | 107 |
Best forecast wave conditions in Lleyn Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Ocean Swells (m)- Wind Speed (km/h)
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