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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 Tuesday 07 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
9.2° 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 10PM is: 0.6m 9s primary swell from a West-southwest direction and 0.3m 15s secondary swell from a West-southwest direction, 0.6m 4s secondary swell from a South direction (forecast issued at 06:00pm April 07). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 Apr) | - | - |
| Afternoon (07 Apr) | 1.5ft (0.4m) | 16s |
| Evening (07 Apr) | 2ft (0.6m) | 9s |
Table - waves today at Hells Mouth (Porth Neigwl). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 07 | Wednesday 08 | Thursday 09 | Friday 10 | |||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 16 | 8 | 9 | 10 | 11 | 10 | 10 | 10 | 9 | 8 | 8 | 8 | 4 | 6 | 6 | 6 | 5 | 5 | 6 | 6 | 6 | 6 | 7 | 4 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 99 | 44 | 54 | 89 | 90 | 89 | 64 | 63 | 43 | 35 | 33 | 22 | 29 | 107 | 104 | 95 | 81 | 78 | 69 | 51 | 39 | 26 | 36 | 38 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross- on | cross- on | cross- on | glass | cross | cross- on | on | cross- on | cross- on | cross- on | cross- on | on | cross- on | cross- on | cross- on | cross | cross | cross | glass | cross- on | cross- on | cross- on |
High Tide / height (m) | 12:15AM 3.57 | 12:36PM 3.27 | 12:54AM 3.26 | 1:19PM 2.94 | 1:45AM 2.97 | |||||||||||||||||||
Low Tide / height (m) | 6:30PM 1.15 | 7:01AM 1.17 | 7:09PM 1.40 | 7:57AM 1.43 | 8:14PM 1.61 | 9:18AM 1.60 | ||||||||||||||||||
Tuesday 07 | Wednesday 08 | Thursday 09 | Friday 10 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:37 | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:31 | - | - |
| Sunset | - | 8:01 | - | - | - | - | - | - | - | 8:04 | - | - | - | - | - | - | - | 8:06 | - | - | - | - | - | - |
 | |  |  | |  | | |  | |  | | | |  | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | 1 |
| Temp. °C | 19 | 18 | 15 | 13 | 12 | 11 | 11 | 12 | 12 | 12 | 12 | 10 | 8 | 8 | 9 | 8 | 9 | 9 | 8 | 7 | 7 | 6 | 7 | 6 |
| Feels °C (?) | 15 | 15 | 13 | 11 | 10 | 11 | 9 | 11 | 11 | 10 | 9 | 6 | 1 | 0 | 2 | 0 | 1 | 2 | 0 | 1 | 4 | 0 | -1 | -2 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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