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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 pm Friday 01 May 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
11.2° C
(Which is 1.6°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 8PM is: 0.1m 10s primary swell from a West direction and 0.3m 3s secondary swell from a Southwest direction (forecast issued at 12:00pm May 01). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 May) | 0.5ft (0.1m) | 10s |
| Afternoon (01 May) | 0.5ft (0.1m) | 10s |
| Evening (01 May) | 0.5ft (0.1m) | 10s |
Table - waves today at Hells Mouth (Porth Neigwl). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 12mm), heaviest on Sat afternoon. Very mild (max 12°C on Fri morning, min 9°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Fri 1 | Saturday 2 | Sunday 3 | Mon 4 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 10 | SW 10 | SW 10 | W 10 | SW 3 | SW 3 | SW 4 | SW 4 | SSW 4 | SW 4 | SW 4 | SW 4 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | |
4 | 4 | 4 | 2 | 3 | 4 | 4 | 6 | 5 | 3 | 2 | 5 | 5 | 4 | 7 | 4 | 4 | 4 | 4 | 1 | 1 | 1 | 1 | 1 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | cross-off | |
High Tide | 8:44AM4.23m | 9:03PM4.20m | 9:20AM4.22m | 9:37PM4.23m | 9:55AM4.14m | 10:10PM4.17m | ||||||||||||||||||
Low Tide | 3:51PM0.45m | 4:06AM0.49m | 4:20PM0.54m | 4:36AM0.53m | 4:47PM0.66m | 5:07AM0.61m | ||||||||||||||||||
 | |  | |  | |  | | | |  | |  | | | | | | | | | | | | |
 | 5:47 | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:43 | — | — | — | — | — | — | — | 5:41 | — |
 | — | — | — | 8:44 | — | — | — | — | — | — | — | 8:45 | — | — | — | — | — | — | — | 8:47 | — | — | — | 8:50 |
— | — | — | — | — | — | — | — | — | — | 2 | 3 | 1 | 2 | 3 | 1 | — | — | — | — | — | — | — | — | |
Temp °C | 12 | 12 | 12 | 11 | 11 | 11 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 10 | 10 | 9 |
10 | 10 | 9 | 8 | 8 | 8 | 7 | 7 | 7 | 8 | 10 | 9 | 10 | 9 | 8 | 7 | 7 | 8 | 9 | 8 | 8 | 6 | 7 | 6 | |
Swell 1 Height (m) Direction Period (s) | SW 10 | SW 10 | SW 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | SW 4 | SW 4 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | NNW 4 | NNW 4 | NNW 4 | SW 5 |
 kJ | 4 | 4 | 4 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 5 | 5 | 4 | 7 | 4 | 4 | 4 | 4 | 1 | 3 | 3 | 2 | 1 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | W 10 | — | — | W 10 | W 10 | W 9 | SW 5 | — | W 9 | — | — | — | — | NNW 4 | — | — | SW 5 | SW 5 | SW 5 | SW 5 |
| kJ | — | — | — | — | 2 | — | — | 2 | 2 | 2 | 1 | — | 2 | — | — | — | — | 2 | — | — | 1 | 1 | 1 | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | SW 5 | W 9 | — | — | — | — | — | — | — | — | — | — | N 5 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 1 | 2 | — | — | — | — | — | — | — | — | — | — | 1 | — | — |
Wind waves Height (m) Direction Period (s) | S 2 | SSW 2 | SSW 2 | SW 3 | SW 3 | SW 3 | SW 4 | SW 4 | SSW 4 | SW 4 | — | — | — | — | — | — | NNW 3 | NNW 4 | NNW 4 | NNW 4 | — | — | — | NNW 4 |
| kJ | 1 | 1 | 1 | 1 | 3 | 4 | 4 | 6 | 5 | 3 | — | — | — | — | — | — | 2 | 6 | 6 | 4 | — | — | — | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 248 | 255 | 294 | 269 | 247 | 187 | 250 | 216 | 189 | 299 | 282 | 256 | 299 | 299 | 299 | 297 | 309 | 299 | 299 | 309 | 309 | 304 | 298 | 297 |
Best forecast wave conditions in Lleyn Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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