- Forecast
- Maps
- Live
- Weather State
- Spot Information
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 12 pm Saturday 18 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
9.7° C
(Which is slightly warmer than usual)How big are the waves at Hells Mouth (Porth Neigwl) today?
The current surf forecast for Hells Mouth (Porth Neigwl) at 7PM is: 0.7m 10s primary swell from a Southwest direction and 0.4m 4s secondary swell from a Northwest direction (forecast issued at 12:00pm April 18). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Apr) | 4.5ft (1.3m) | 6s |
| Afternoon (18 Apr) | 3ft (0.9m) | 10s |
| Evening (18 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
Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | |||||||||||||||||||||
| 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 | 1 AM | 4 AM | 7 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 5 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 70 | 178 | 125 | 98 | 77 | 64 | 46 | 45 | 9 | 6 | 6 | 5 | 6 | 4 | 4 | 4 | 4 | 8 | 8 | 4 | 4 | 4 | 4 | 3 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross | cross- off | cross- off | off | off | off | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | glass | off | cross | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 9:26AM 4.86 | 9:47PM 4.72 | 10:08AM 4.84 | 10:28PM 4.71 | 10:51AM 4.66 | 11:12PM 4.55 | ||||||||||||||||||
Low Tide / height (m) | 4:32PM 0.05 | 4:49AM 0.13 | 5:13PM 0.19 | 5:33AM 0.21 | 5:57PM 0.42 | 6:23AM 0.38 | ||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:11 | - | - | - | - | - | - | - | 6:09 | - | - | - | - | - | - | - | 6:07 |
| Sunset | - | - | - | 8:22 | - | - | - | - | - | - | - | 8:22 | - | - | - | - | - | - | - | 8:24 | - | - | - | - |
 |  | | |  | | | | | | | | |  | | | | |  | |  | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 9 | 9 | 10 | 10 | 10 | 10 | 9 | 8 | 8 | 9 | 9 | 10 | 10 | 9 | 9 | 8 | 9 | 11 | 12 | 11 | 11 | 9 | 8 | 6 |
| Feels °C (?) | 4 | 4 | 6 | 7 | 7 | 8 | 6 | 4 | 5 | 6 | 4 | 5 | 5 | 5 | 4 | 3 | 5 | 8 | 9 | 6 | 7 | 3 | 2 | -1 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Hells Mouth (Porth Neigwl) surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest