Surf Forecasts:
How big are the waves at Hells Mouth (Porth Neigwl) today (12 Sep):
- Afternoon surf: Afternoon surf (12 Sep, local time) - 6.5ft (2.0m), 7s period with SW swell.
- Evening surf: Evening surf (12 Sep, local time) - 5ft (1.5m), 7s period with SW swell.
The current surf forecast for Hells Mouth (Porth Neigwl) at 10PM is: 1.4m 7s primary swell from a Southwest direction (forecast issued at 06:00pm September 12). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Sep) | - | - |
| Afternoon (12 Sep) | 6.5ft (2.0m) | 7s |
| Evening (12 Sep) | 5ft (1.5m) | 7s |
Table - waves today at Hells Mouth (Porth Neigwl). (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 12mm), heaviest on Mon night. Very mild (max 18°C on Sat night, min 14°C on Tue morning). Winds increasing (calm on Sun morning, strong winds from the SSW by Mon night). | |||||||||||||||||||
Sat 12 | Sunday 13 | Monday 14 | |||||||||||||||||
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 | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | WSW 7 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 4 | SW 5 | SW 5 | SW 5 | SW 5 | SW 6 |
Wave Graph  | |||||||||||||||||||
 kJ | 363 | 268 | 168 | 114 | 85 | 68 | 40 | 32 | 20 | 20 | 19 | 14 | 9 | 20 | 71 | 60 | 65 | 114 | 141 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | cross-on | glassy | glassy | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on |
High Tide | 9:50PM4.85m | 10:10AM4.47m | 10:28PM4.72m | 10:46AM4.37m | |||||||||||||||
Low Tide | 4:37PM0.12m | 5:03AM0.00m | 5:10PM0.20m | 5:34AM0.22m | 5:41PM0.37m | ||||||||||||||
 |  |  |  |  | | |  | | | | | | | | | | | | |
 | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:48 | — | — | — | — | — | — |
 | — | 7:42 | — | — | — | — | — | — | — | 7:38 | — | — | — | — | — | — | — | 7:37 | — |
mm | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 17 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 15 | 17 | 17 | 18 | 18 |
Feels °C | 12 | 13 | 16 | 16 | 15 | 16 | 17 | 18 | 18 | 16 | 16 | 15 | 15 | 15 | 12 | 14 | 13 | 14 | 13 |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | SW 7 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | W 8 | — | W 12 | W 12 | — | W 12 |
| kJ | — | — | — | — | 85 | 49 | 40 | 32 | 20 | 20 | 19 | 14 | 9 | 1 | — | 3 | 3 | — | 3 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | NW 4 | NW 4 | — | — | W 13 | W 13 | W 13 | — | — | W 12 | — | W 12 | — | — | — |
| kJ | — | — | — | — | 1 | 1 | — | — | 3 | 3 | 3 | — | — | 3 | — | 3 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 7 | SW 7 | SW 7 | SW 7 | — | WSW 7 | — | — | — | — | — | SW 3 | SW 4 | SW 4 | SW 5 | SW 5 | SW 5 | SW 5 | SW 6 |
| kJ | 363 | 268 | 168 | 114 | — | 68 | — | — | — | — | — | 2 | 6 | 20 | 71 | 60 | 65 | 114 | 141 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 348 | 140 | 46 | 41 | 128 | 5 | 0 | 123 | 128 | 107 | 184 | 231 | 255 | 255 | 255 | 255 | 255 | 255 | 248 |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
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Live Wave Height (m)
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Recent Eyeball Surf Reports for Wales - Lleyn
West Coast Surf: ‘Porth Neigwl: Choppy waves hadn't tidied much (from what I could see in the dark.’
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