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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 12 am Friday 10 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
9.5° C
(Which is 1.1°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 3AM is: 1.0m 5s primary swell from a Northwest direction and 0.9m 6s secondary swell from a West-southwest direction, 0.2m 15s secondary swell from a West-southwest direction (forecast issued at 12:00am April 10). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Apr) | 2.5ft (0.7m) | 6s |
| Afternoon (10 Apr) | 3ft (0.9m) | 4s |
| Evening (10 Apr) | 7ft (2.1m) | 6s |
Table - waves today at Hells Mouth (Porth Neigwl). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 10 | Saturday 11 | Sunday 12 | ||||||||||||||||||||||
| 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 | 4 PM | 7 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 6 | 6 | 6 | 6 | 7 | 7 | 4 | 5 | 7 | 8 | 9 | 9 | 6 | 8 | 9 | 10 | 11 | 11 | 10 | 8 | 8 | 8 | 7 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 160 | 144 | 54 | 34 | 36 | 21 | 52 | 152 | 432 | 805 | 550 | 446 | 311 | 871 | 1752 | 3233 | 3652 | 2620 | 1724 | 1276 | 1047 | 638 | 362 | 346 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross- on | cross- on | on | on | on | on | cross- on | cross- on | on | on | on | cross- on | cross- on | on | on | on |
High Tide / height (m) | 1:45AM 2.97 | 2:23PM 2.67 | 3:10AM 2.80 | 4:13PM 2.60 | ||||||||||||||||||||
Low Tide / height (m) | 8:14PM 1.61 | 9:18AM 1.60 | 9:45PM 1.71 | 10:52AM 1.59 | 11:17PM 1.63 | |||||||||||||||||||
Friday 10 | Saturday 11 | Sunday 12 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:31 | - | - | - | - | - | - | - | 6:30 | - | - | - | - | - | - | - | 6:28 | - | - | - | - |
| Sunset | - | - | - | - | - | - | - | 8:07 | - | - | - | - | - | - | - | 8:08 | - | - | - | - | - | - | - | 8:10 |
 |  | |  | |  | | |  | | | |  | | |  |  | |  |  | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | 1 | 4 | 3 | - | 1 | 1 | - | 1 | 1 | - | 1 | - | - | - | - | 1 |
| Temp. °C | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 9 | 6 | 6 | 5 | 7 | 7 | 8 | 8 | 9 | 9 | 8 | 7 | 7 | 8 | 8 | 8 |
| Feels °C (?) | -1 | -2 | 1 | 3 | 1 | -2 | -3 | -3 | -3 | -2 | 1 | -4 | -4 | -4 | -6 | -6 | -3 | -2 | -2 | -4 | -3 | -1 | -1 | 0 |
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Live Wave Height (m)
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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