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Hells Mouth (Porth Neigwl) Surf Forecast
/ Wales – Lleyn (14 surf breaks) /
Hells Mouth (Porth Neigwl) surfForecast / Wales – Lleyn / UK
48hr Weather and Surf, issued 12 am Thursday 17 Apr 2025 BST
How big are the waves at Hells Mouth (Porth Neigwl) today?
The current surf forecast for Hells Mouth (Porth Neigwl) at 5AM is: 0.7m 5s primary swell from a West-southwest direction and 0.1m 8s secondary swell from a Southwest direction (forecast issued at 12:00am April 17). An open ocean swell of 0.4m 5s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Apr) | 1.5ft (0.4m) | 5s |
| Afternoon (17 Apr) | 1.5ft (0.4m) | 7s |
| Evening (17 Apr) | 1.5ft (0.4m) | 7s |
Table - waves today at Hells Mouth (Porth Neigwl). (Swell directed towards the surf break)
Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| 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 | 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 | 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) (?) | 6 | 6 | 5 | 5 | 5 | 5 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 4 | 4 | 8 | 8 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 12 | 11 | 3 | 4 | 5 | 5 | 6 | 5 | 12 | 12 | 5 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Energy (?) | 140 | 63 | 19 | 11 | 10 | 9 | 18 | 12 | 7 | 7 | 7 | 7 | 4 | 24 | 47 | 28 | 28 | 26 | 18 | 20 | 20 | 20 | 15 | 14 | 14 | 9 | 9 | 5 | 5 | 6 | 6 | 6 | 3 | 2 | 4 | 11 | 31 | 52 | 52 | 71 | 91 | 91 | 42 | 86 | 77 | 64 | 43 | 37 | 37 | 43 | 53 | 54 | 54 | 54 | 53 | 31 | 29 | 27 | 13 | 13 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | on | cross- on | cross- on | cross- on | cross- on | glass | glass | off | cross | cross | cross- off | cross- off | cross- off | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- on | on | cross | cross | cross- off | glass | cross- off | cross | cross | cross- on | cross- on | glass | glass | cross | cross | on | on | on | cross- on | cross | cross | cross |
High Tide / height (m) | 11:07PM 3.99 | 11:25AM 3.80 | 11:40PM 3.79 | 12:00PM 3.55 | 12:18AM 3.56 | 12:40PM 3.28 | 1:04AM 3.31 | 1:32PM 3.01 | 2:05AM 3.10 | 2:47PM 2.83 | 3:30AM 3.06 | 4:23PM 2.88 | 4:57AM 3.29 | 5:40PM 3.20 | 6:01AM 3.70 | |||||||||||||||||||||||||||||||||||||||||||||
Low Tide / height (m) | 5:56AM 0.81 | 6:05PM 1.02 | 6:31AM 1.05 | 6:37PM 1.24 | 7:17AM 1.28 | 7:24PM 1.45 | 8:27AM 1.47 | 8:47PM 1.59 | 9:52AM 1.51 | 10:17PM 1.60 | 11:15AM 1.35 | 11:37PM 1.43 | 12:23PM 1.03 | 12:41AM 1.15 | ||||||||||||||||||||||||||||||||||||||||||||||
Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sunrise | - | - | - | 6:16 | - | - | - | - | - | - | - | 6:13 | - | - | - | - | - | - | - | 6:11 | - | - | - | - | - | - | - | 6:09 | - | - | - | - | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:05 | - | - | - | - | - | - | - | 6:03 | - | - | - | - | - | - | - | 6:01 |
| Sunset | - | - | - | - | - | - | - | 8:20 | - | - | - | - | - | - | - | 8:22 | - | - | - | - | - | - | - | 8:22 | - | - | - | - | - | - | - | 8:24 | - | - | - | - | - | - | - | 8:27 | - | - | - | - | - | - | - | 8:29 | - | - | - | - | - | - | - | 8:30 | - | - | - | - |
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Rain (mm) | 1 | - | - | - | - | - | - | - | - | - | - | - | 1 | 3 | - | 1 | - | - | 2 | 1 | 2 | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 3 | 5 | 2 | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 8 | 9 | 9 | 8 | 9 | 9 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 10 | 11 | 10 | 10 | 11 | 11 | 10 | 10 | 10 | 10 | 11 | 11 | 10 | 9 | 9 | 9 | 11 | 13 | 11 | 11 | 11 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 12 | 11 | 11 | 11 | 11 |
| Feels °C (?) | 0 | 3 | 5 | 5 | 5 | 6 | 8 | 7 | 7 | 6 | 3 | 2 | 0 | 2 | 2 | 2 | 2 | 3 | 3 | 2 | 2 | 2 | 4 | 7 | 8 | 6 | 5 | 5 | 4 | 8 | 9 | 6 | 6 | 5 | 5 | 5 | 4 | 5 | 6 | 7 | 6 | 7 | 7 | 8 | 7 | 7 | 7 | 8 | 7 | 8 | 8 | 7 | 7 | 8 | 8 | 9 | 8 | 8 | 7 | 8 |
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Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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