Surf Forecasts:
How big are the waves at Hells Mouth (Porth Neigwl) today (18 Oct):
- Afternoon surf: Afternoon surf (18 Oct, local time) - 0.5ft (0.1m), 7s period with SW swell.
- Evening surf: Evening surf (18 Oct, local time) - 0.5ft (0.1m), 7s period with W swell.
The current surf forecast for Hells Mouth (Porth Neigwl) at 11PM is: 0.1m 7s primary swell from a West direction (forecast issued at 06:00pm October 18). An open ocean swell of 0.4m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Oct) | - | - |
| Afternoon (18 Oct) | 0.5ft (0.1m) | 7s |
| Evening (18 Oct) | 0.5ft (0.1m) | 7s |
Table - waves today at Hells Mouth (Porth Neigwl). (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 10mm), heaviest on Tue night. Very mild (max 13°C on Mon afternoon, min 9°C on Sun night). Winds increasing (light winds from the S on Tue morning, near gales from the WNW by Wed morning). | |||||||||||||||||||
Sun 18 | Monday 19 | Tuesday 20 | |||||||||||||||||
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) | W 9 | W 8 | W 7 | W 12 | W 12 | W 12 | W 17 | W 16 | W 16 | W 15 | SE 3 | SE 3 | W 13 | W 13 | W 11 | W 10 | SW 8 | SW 6 | S 3 |
Wave Graph  | |||||||||||||||||||
 kJ | 2 | 1 | 1 | 3 | 3 | 3 | 6 | 5 | 5 | 4 | 7 | 5 | 4 | 4 | 2 | 2 | 3 | 5 | 7 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | cross-off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | cross |
High Tide | 1:33PM3.00m | 2:12AM2.64m | 2:56PM2.82m | 4:05AM2.57m | 4:46PM2.91m | ||||||||||||||
Low Tide | 9:10PM1.57m | 9:31AM1.70m | 10:36PM1.55m | 10:56AM1.63m | |||||||||||||||
 |  | | |  |  |  | | | | |  | | |  | | | | | |
 | — | — | — | — | — | 7:50 | — | — | — | — | — | — | — | 7:52 | — | — | — | — | — |
 | 6:16 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:13 | — | — |
mm | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | 1 | 1 | 1 | — | — |
Temp °C | 11 | 11 | 11 | 10 | 10 | 9 | 11 | 12 | 13 | 13 | 12 | 11 | 11 | 10 | 9 | 10 | 10 | 11 | 12 |
Feels °C | 7 | 6 | 5 | 5 | 6 | 4 | 6 | 6 | 7 | 7 | 6 | 6 | 7 | 6 | 7 | 9 | 7 | 7 | 6 |
Swell 1 Height (m) Direction Period (s) | SW 7 | W 7 | W 7 | W 7 | W 7 | W 7 | N 3 | N 3 | — | — | — | SW 11 | W 11 | SW 11 | SSW 4 | SW 4 | SW 4 | SW 6 | SW 5 |
| kJ | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | — | — | 5 | 2 | 4 | 2 | 1 | 1 | 5 | 4 |
Swell 2 Height (m) Direction Period (s) | W 9 | W 8 | — | W 12 | W 12 | W 12 | — | N 5 | W 16 | W 12 | W 11 | — | W 13 | S 6 | W 9 | W 10 | SW 8 | W 10 | W 8 |
| kJ | 2 | 1 | — | 3 | 3 | 3 | — | 1 | 5 | 3 | 3 | — | 4 | 1 | 1 | 2 | 3 | 2 | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | W 17 | W 16 | W 8 | W 15 | W 15 | W 14 | — | W 13 | W 11 | W 8 | SW 5 | W 8 | W 10 |
| kJ | — | — | — | — | — | — | 6 | 5 | 1 | 4 | 4 | 4 | — | 4 | 2 | 1 | 1 | 1 | 2 |
Wind waves Height (m) Direction Period (s) | — | — | NNE 3 | NNE 3 | NE 3 | NE 3 | E 3 | ESE 3 | SE 3 | SE 3 | SE 3 | SE 3 | SSE 3 | S 3 | — | — | — | — | S 3 |
| kJ | — | — | 2 | 3 | 2 | 4 | 1 | 1 | 4 | 5 | 7 | 5 | 2 | 1 | — | — | — | — | 7 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 294 | 294 | 294 | 294 | 294 | 132 | 138 | 250 | 265 | 187 | 135 | 128 | 114 | 114 | 114 | 128 | 135 | 239 | 294 |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
Header Global | |||||||||||||||||||
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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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