Surf Forecasts:
How big are the waves at Hells Mouth (Porth Neigwl) today (17 Jul):
- Morning surf: Morning surf (17 Jul, local time) - 0.5ft (0.1m), 15s period with W swell.
- Afternoon surf: Afternoon surf (17 Jul, local time) - 0.5ft (0.1m), 12s period with SW swell.
- Evening surf: Evening surf (17 Jul, local time) - 0.5ft (0.1m), 13s period with SW swell.
The current surf forecast for Hells Mouth (Porth Neigwl) at 2AM is: 0.1m 12s primary swell from a Southwest direction and 0.1m 7s secondary swell from a Southwest direction (forecast issued at 06:00pm July 16). 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 (17 Jul) | 0.5ft (0.1m) | 15s |
| Afternoon (17 Jul) | 0.5ft (0.1m) | 12s |
| Evening (17 Jul) | 0.5ft (0.1m) | 13s |
Table - waves today at Hells Mouth (Porth Neigwl). (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 22°C on Thu afternoon, min 13°C on Fri night). Winds decreasing (fresh winds from the NNW on Sat afternoon, calm by Sun morning). | |||||||||||||||||||
Thu 16 | Friday 17 | Saturday 18 | |||||||||||||||||
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 14 | W 15 | W 15 | W 15 | W 15 | W 15 | W 12 | SW 12 | SW 12 | SW 13 | SW 13 | SW 13 | SW 12 | W 13 | SW 6 | SW 6 | W 11 | S 5 | SW 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 8 | 6 | 6 | 6 | 4 | 6 | 3 | 6 | 6 | 6 | 6 | 6 | 5 | 3 | 1 | 1 | 2 | 1 | 5 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 10:33PM4.82m | 10:58AM4.23m | 11:18PM4.74m | 11:43AM4.06m | |||||||||||||||
Low Tide | 5:26PM0.24m | 6:00AM-0.05m | 6:08PM0.31m | 6:44AM0.09m | 6:50PM0.46m | ||||||||||||||
 |  |  | | | | | | |  | | | | | | | | | | |
 | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:15 | — | — | — | — | — | — |
 | — | 9:35 | — | — | — | — | — | — | — | 9:34 | — | — | — | — | — | — | — | 9:32 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 22 | 22 | 21 | 19 | 17 | 17 | 19 | 20 | 20 | 19 | 18 | 15 | 13 | 13 | 13 | 15 | 17 | 18 |
Feels °C | 21 | 19 | 19 | 18 | 17 | 15 | 16 | 16 | 15 | 15 | 14 | 15 | 12 | 10 | 8 | 7 | 9 | 13 | 14 |
Swell 1 Height (m) Direction Period (s) | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | S 5 | S 5 | SW 11 |
| kJ | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 5 |
Swell 2 Height (m) Direction Period (s) | SW 14 | SW 12 | SW 12 | SW 12 | W 12 | SW 12 | W 12 | SW 12 | SW 12 | SW 13 | SW 13 | SW 13 | SW 12 | W 13 | — | — | W 11 | — | — |
| kJ | 8 | 6 | 6 | 6 | 3 | 6 | 3 | 6 | 6 | 6 | 6 | 6 | 5 | 3 | — | — | 2 | — | — |
Swell 3 Height (m) Direction Period (s) | W 8 | W 15 | W 15 | W 15 | W 15 | W 15 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | 4 | 4 | 4 | 4 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | NNW 2 | N 3 | N 3 | N 3 | N 3 | NNW 3 | NNW 3 | NNW 4 | NNW 4 | N 4 | N 4 | N 4 | NNW 4 | NNW 4 | NNW 4 | NNW 5 | NNW 5 | NNW 5 |
| kJ | — | 1 | 2 | 2 | 1 | 1 | 1 | 7 | 19 | 25 | 10 | 9 | 6 | 10 | 12 | 26 | 52 | 52 | 32 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 186 | 197 | 373 | 305 | 305 | 305 | 305 | 1560 | 1560 | 358 | 321 | 318 | 320 | 374 | 376 | 320 | 320 | 310 | |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
Header Global | |||||||||||||||||||
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Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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