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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 11 am Friday 07 Nov 2025 GMT
How big are the waves at Hells Mouth (Porth Neigwl) today?
The current surf forecast for Hells Mouth (Porth Neigwl) at 1PM is: 0.7m 5s primary swell from a Southwest direction and 0.4m 9s secondary swell from a Southwest direction, 0.6m 4s secondary swell from a Southeast direction (forecast issued at 11:00am November 07). The wind direction is predicted to be cross-shore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 Nov) | 1.5ft (0.5m) | 9s |
| Afternoon (07 Nov) | 2.5ft (0.7m) | 6s |
| Evening (07 Nov) | 3.5ft (1.1m) | 7s |
Table - waves today at Hells Mouth (Porth Neigwl). (Swell directed towards the surf break)
Friday 07 | Saturday 08 | Sunday 09 | Monday 10 | |||||||||||||||||||||
| 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 6 | 7 | 7 | 8 | 8 | 9 | 9 | 10 | 10 | 16 | 10 | 16 | 6 | 6 | 7 | 8 | 8 | 8 | 8 | 8 | 9 | 5 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 42 | 30 | 32 | 77 | 122 | 101 | 112 | 95 | 166 | 220 | 192 | 223 | 227 | 95 | 105 | 181 | 307 | 502 | 423 | 250 | 160 | 120 | 111 | 105 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross | cross | cross- on | cross- on | on | cross | cross- on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | cross- on | cross- on | cross- on | cross- off |
High Tide / height (m) | 8:48AM 4.81 | 9:12PM 4.73 | 9:32AM 4.71 | 9:59PM 4.43 | 10:19AM 4.48 | 10:47PM 4.02 | ||||||||||||||||||
Low Tide / height (m) | 3:57PM 0.08 | 4:20AM 0.31 | 4:48PM 0.21 | 5:09AM 0.58 | 5:43PM 0.42 | |||||||||||||||||||
Friday 07 | Saturday 08 | Sunday 09 | Monday 10 | |||||||||||||||||||||
| Sunrise | 7:24 | - | - | - | - | - | - | - | 7:26 | - | - | - | - | - | - | - | 7:28 | - | - | - | - | - | - | - |
| Sunset | - | - | 4:37 | - | - | - | - | - | - | - | 4:35 | - | - | - | - | - | - | - | 4:34 | - | - | - | - | - |
 | |  |  |  |  |  | |  | |  | | | | | | |  | | | | | | | |
Rain (mm) | - | - | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | 2 | 6 | 1 | 1 | 2 | 4 | 5 | 3 |
| Temp. °C | 13 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 13 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 12 | 11 | 11 |
| Feels °C (?) | 6 | 8 | 8 | 8 | 7 | 9 | 11 | 8 | 10 | 8 | 8 | 9 | 7 | 6 | 6 | 4 | 3 | 6 | 9 | 10 | 11 | 10 | 9 | 10 |
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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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