Surf Forecasts:
How big are the waves at Hells Mouth (Porth Neigwl) today (18 Jul):
- Morning surf: Morning surf (18 Jul, local time) - 0.5ft (0.1m), 6s period with SW swell.
- Afternoon surf: Afternoon surf (18 Jul, local time) - 0.5ft (0.1m), 5s period with S swell.
- Evening surf: Evening surf (18 Jul, local time) - 0.5ft (0.1m), 11s period with W swell.
The current surf forecast for Hells Mouth (Porth Neigwl) at 3AM is: 0.1m 12s primary swell from a Southwest direction and 0.1m 6s secondary swell from a Southwest direction (forecast issued at 12:00am July 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 Jul) | 0.5ft (0.1m) | 6s |
| Afternoon (18 Jul) | 0.5ft (0.1m) | 5s |
| Evening (18 Jul) | 0.5ft (0.1m) | 11s |
Table - waves today at Hells Mouth (Porth Neigwl). (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 19°C on Fri night, min 13°C on Fri night). Winds decreasing (fresh winds from the NNW on Sat afternoon, calm by Sat night). | ||||||||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | ||||||||||||||||||||||
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 | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SW 13 | SW 12 | SW 6 | SW 6 | SW 6 | S 5 | SW 11 | W 11 | W 11 | W 11 | W 11 | NNW 4 | NNW 4 | NNW 3 | NNW 3 | N 4 | N 4 | N 3 | N 3 | NNW 5 | W 9 | NNW 4 | NNW 5 | NNW 4 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 6 | 5 | 1 | 1 | 1 | 1 | 5 | 2 | 2 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | glassy | 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 |
High Tide | 11:18PM4.74m | 11:43AM4.06m | 00:03AM4.51m | 12:29PM3.83m | 00:49AM4.19m | 1:15PM3.57m | ||||||||||||||||||
Low Tide | 6:44AM0.09m | 6:50PM0.46m | 7:26AM0.32m | 7:30PM0.68m | 8:08AM0.62m | 8:12PM0.93m | ||||||||||||||||||
 | |  | | | | | | |  |  | | | | |  | | | |  | | | | | |
 | — | 5:15 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — | — | 5:16 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:32 | — | — | — | — | — | — | — | 9:30 | — | — | — | — | — | — | — | 9:30 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 15 | 13 | 13 | 13 | 15 | 17 | 17 | 18 | 16 | 15 | 15 | 16 | 16 | 17 | 16 | 16 | 14 | 13 | 13 | 14 | 15 | 17 | 17 |
Feels °C | 13 | 12 | 10 | 8 | 7 | 9 | 13 | 14 | 16 | 15 | 14 | 14 | 14 | 13 | 13 | 11 | 12 | 11 | 10 | 9 | 9 | 10 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | S 5 | SW 11 | W 11 | N 5 | NNW 5 | NNW 4 | NNW 4 | — | — | — | — | — | — | — | N 5 | W 9 | — | — | — |
| kJ | 1 | 1 | 1 | 1 | 1 | 1 | 5 | 2 | 16 | 7 | 4 | 2 | — | — | — | — | — | — | — | 1 | 2 | — | — | — |
Swell 2 Height (m) Direction Period (s) | SW 13 | SW 12 | — | — | — | — | S 5 | — | W 11 | W 11 | W 11 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 6 | 5 | — | — | — | — | 1 | — | 2 | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | N 3 | N 3 | N 3 | NNW 4 | NNW 4 | NNW 5 | NNW 5 | NNW 5 | ENE 2 | — | — | — | NNW 4 | NNW 3 | NNW 3 | N 4 | N 4 | N 3 | N 3 | NNW 5 | NNW 4 | NNW 4 | NNW 5 | NNW 4 |
| kJ | 3 | 3 | 5 | 10 | 28 | 56 | 59 | 33 | 1 | — | — | — | 3 | 3 | 4 | 9 | 9 | 5 | 6 | 14 | 17 | 39 | 50 | 20 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 321 | 346 | 320 | 320 | 320 | 320 | 320 | 320 | 216 | 250 | 256 | 320 | 313 | 308 | 308 | 304 | 304 | 304 | 304 | 319 | 320 | 321 | 373 | 304 |
Best forecast wave conditions in Lleyn Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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