Surf Forecasts:
How big are the waves at Hells Mouth (Porth Neigwl) today (16 Aug):
- Afternoon surf: Afternoon surf (16 Aug, local time) - 0.5ft (0.2m), 7s period with WSW swell.
- Evening surf: Evening surf (16 Aug, local time) - 0.5ft (0.2m), 7s period with WSW swell.
The current surf forecast for Hells Mouth (Porth Neigwl) at 12AM is: 0.2m 7s primary swell from a West-southwest direction and 0.1m 7s secondary swell from a Southwest direction (forecast issued at 06:00pm August 15). An open ocean swell of 0.3m 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 (16 Aug) | - | - |
| Afternoon (16 Aug) | 0.5ft (0.2m) | 7s |
| Evening (16 Aug) | 0.5ft (0.2m) | 7s |
Table - waves today at Hells Mouth (Porth Neigwl). (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Mon night. Very mild (max 18°C on Mon night, min 14°C on Sat afternoon). Winds decreasing (fresh winds from the NNW on Sat afternoon, calm by Sun morning). | |||||||||||||||||||
Sat 15 | Sunday 16 | Monday 17 | |||||||||||||||||
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) | WSW 7 | WSW 7 | WSW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | WSW 5 | SW 5 | SW 5 | SW 5 | SW 3 |
Wave Graph  | |||||||||||||||||||
 kJ | 5 | 5 | 5 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 7 | 6 | 6 | 4 | 4 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | cross-off | off | cross-off | glassy | on | on | on | cross-on | cross-on | glassy | cross | cross-off | cross | cross | cross-on | on |
High Tide | 10:55PM4.81m | 11:16AM4.24m | 11:35PM4.56m | 11:55AM4.03m | |||||||||||||||
Low Tide | 5:40PM0.20m | 6:11AM0.09m | 6:16PM0.37m | 6:46AM0.37m | 6:49PM0.61m | ||||||||||||||
 | |  |  | | |  |  | | | | | | | | | | | | |
 | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | 8:45 | — | — | — | — | — | — | — | 8:43 | — | — | — | — | — | — | — | 8:40 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 15 | 15 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 16 | 16 | 17 | 16 | 15 | 15 | 16 | 16 | 17 |
Feels °C | 8 | 10 | 11 | 11 | 12 | 12 | 14 | 13 | 13 | 13 | 14 | 15 | 18 | 16 | 14 | 13 | 16 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | WSW 7 | WSW 7 | NW 3 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 5 | SW 4 | SW 4 | SW 4 | WSW 3 | WSW 3 | WSW 4 | SW 5 | SW 5 | SW 5 | — |
| kJ | 5 | 5 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 6 | 6 | 4 | — |
Swell 2 Height (m) Direction Period (s) | — | — | WSW 7 | SW 7 | — | — | — | — | W 7 | W 7 | W 7 | W 7 | SW 4 | W 7 | — | — | NW 3 | — | W 7 |
| kJ | — | — | 5 | 2 | — | — | — | — | 1 | 1 | 1 | 1 | 1 | 1 | — | — | 1 | — | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | W 7 | W 7 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 4 | NNW 4 | NNE 4 | NNE 3 | — | — | — | — | — | — | — | — | — | — | WSW 5 | WNW 3 | — | — | SW 3 |
| kJ | 16 | 15 | 4 | 2 | — | — | — | — | — | — | — | — | — | — | 7 | 1 | — | — | 4 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 348 | 348 | 298 | 294 | 294 | 294 | 294 | 297 | 297 | 307 | 331 | 197 | 299 | 292 | 299 | 307 | 331 | 331 | 378 |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
Header Global | |||||||||||||||||||
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