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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 Wednesday 22 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
10.5° C
(Which is 1.4°C warmer than normal for this time of year)| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Apr) | - | - |
| Afternoon (22 Apr) | 0.5ft (0.1m) | 16s |
| Evening (22 Apr) | - | - |
Table - waves today at Hells Mouth (Porth Neigwl). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 16°C on Thu afternoon, min 8°C on Wed night). Winds decreasing (fresh winds from the ESE on Wed night, calm by Fri afternoon). | ||||||||||||||||||||||||
Wed 22 | Thursday 23 | Friday 24 | Sat 25 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
W 16 | W 16 | ESE 3 | ESE 4 | ESE 4 | SW 12 | SW 11 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 10 | SW 11 | SW 11 | |
5 | 5 | 0 | 0 | 0 | 6 | 5 | 17 | 54 | 48 | 76 | 74 | 76 | 90 | 155 | 145 | 140 | 140 | 140 | 137 | 134 | 132 | 115 | 115 | |
Wind (km/h) | ||||||||||||||||||||||||
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 | glassy | glassy | cross-off | cross-off | cross-off | cross-off | cross | glassy | |
High Tide | 00:51AM3.92m | 1:26PM3.44m | 1:54AM3.58m | 2:40PM3.08m | 3:15AM3.37m | |||||||||||||||||||
Low Tide | 7:44PM1.02m | 8:27AM0.87m | 8:52PM1.26m | 9:44AM1.02m | 10:11PM1.36m | 11:06AM1.01m | ||||||||||||||||||
 |  |  |  | | | |  | | |  | | | | | | | | | | | | | | |
 | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 5:58 | — | — | — |
 | — | 8:29 | — | — | — | — | — | — | — | 8:30 | — | — | — | — | — | — | — | 8:31 | — | — | — | — | — | 8:34 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 15 | 15 | 12 | 10 | 9 | 8 | 9 | 13 | 16 | 16 | 14 | 12 | 11 | 11 | 12 | 14 | 15 | 15 | 14 | 14 | 13 | 12 | 12 | 13 |
9 | 10 | 6 | 3 | 2 | 2 | 4 | 9 | 13 | 12 | 10 | 8 | 7 | 6 | 7 | 11 | 13 | 13 | 11 | 11 | 10 | 9 | 9 | 11 | |
Swell 1 Height (m) Direction Period (s) | W 16 | — | — | — | — | SW 12 | SW 11 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 10 | SW 11 | SW 11 |
 kJ | 5 | — | — | — | — | 6 | 5 | 17 | 54 | 48 | 76 | 74 | 76 | 90 | 155 | 145 | 140 | 140 | 140 | 137 | 134 | 132 | 115 | 115 |
Swell 2 Height (m) Direction Period (s) | — | W 16 | — | — | — | — | S 6 | — | W 15 | W 15 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 5 | — | — | — | — | 1 | — | 4 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ESE 4 | ESE 4 | ESE 3 | ESE 4 | ESE 4 | ESE 4 | ESE 4 | SE 3 | ESE 3 | SE 3 | SE 3 | SE 3 | ESE 3 | ESE 3 | ESE 3 | ESE 3 | ESE 3 | ESE 3 | ESE 2 | ESE 3 | ESE 2 | ESE 2 | — | — |
| kJ | 10 | 10 | 7 | 11 | 12 | 21 | 11 | 3 | 1 | 2 | 2 | 2 | 3 | 3 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 476 | 476 | 513 | 375 | 375 | 373 | 517 | 485 | 0 | 45 | 45 | 45 | 45 | 41 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 41 | 0 |
Best forecast wave conditions in Lleyn Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Ocean Swells (m)- Wind Speed (km/h)
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