Surf Forecasts:
How big are the waves at Hells Mouth (Porth Neigwl) today (29 Sep):
- Morning surf: Morning surf (29 Sep, local time) - 1ft (0.3m), 6s period with SW swell.
- Afternoon surf: Afternoon surf (29 Sep, local time) - 3.5ft (1.1m), 5s period with SE swell.
- Evening surf: Evening surf (29 Sep, local time) - 5ft (1.5m), 5s period with S swell.
The current surf forecast for Hells Mouth (Porth Neigwl) at 3AM is: 0.3m 7s primary swell from a Southwest direction and 0.1m 12s secondary swell from a West direction (forecast issued at 06:00pm September 28). An open ocean swell of 0.7m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Sep) | 1ft (0.3m) | 6s |
| Afternoon (29 Sep) | 3.5ft (1.1m) | 5s |
| Evening (29 Sep) | 5ft (1.5m) | 5s |
Table - waves today at Hells Mouth (Porth Neigwl). (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 26mm), heaviest during Tue night. Warm (max 20°C on Tue afternoon, min 13°C on Mon night). Winds increasing (light winds from the ESE on Mon afternoon, strong winds from the SSE by Tue night). | |||||||||||||||||||
Mon 28 | Tuesday 29 | Wednesday 30 | |||||||||||||||||
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 | SW 6 | SW 6 | SW 6 | SE 5 | SSE 5 | S 5 | SSW 5 | SW 10 | SW 10 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 26 | 23 | 16 | 11 | 7 | 6 | 6 | 6 | 54 | 84 | 106 | 208 | 1070 | 735 | 862 | 1107 | 1154 | 1029 | 835 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-on | cross | on | cross-on | cross-on | cross-on | cross-on | cross-on | on |
High Tide | 10:05PM4.77m | 10:25AM4.56m | 10:44PM4.68m | 11:04AM4.46m | |||||||||||||||
Low Tide | 4:44PM0.25m | 5:08AM0.21m | 5:19PM0.33m | 5:43AM0.41m | 5:57PM0.50m | ||||||||||||||
 | |  | | |  |  | |  |  |  | |  | | | | | |  | |
 | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — |
 | — | 7:02 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | 6:59 | — | — |
mm | — | — | — | — | — | — | — | — | — | 1 | 1 | 4 | 7 | 3 | 1 | 1 | 1 | 1 | 2 |
Temp °C | 15 | 16 | 16 | 14 | 14 | 13 | 15 | 17 | 20 | 20 | 19 | 17 | 15 | 15 | 16 | 16 | 15 | 15 | 15 |
Feels °C | 13 | 13 | 11 | 8 | 9 | 7 | 8 | 10 | 14 | 14 | 13 | 9 | 9 | 10 | 8 | 8 | 8 | 9 | 11 |
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 5 | SW 8 | SW 9 | — | SW 10 | SW 11 | — | — | WSW 11 | SW 11 |
| kJ | 26 | 23 | 16 | 11 | 7 | 6 | 6 | 6 | 6 | 5 | 9 | 61 | — | 735 | 169 | — | — | 396 | 431 |
Swell 2 Height (m) Direction Period (s) | — | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | — | — | — | — | — | SW 5 | — | — | — | — | — |
| kJ | — | 3 | 3 | 3 | 3 | 3 | 3 | 3 | — | — | — | — | — | 27 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | W 12 | W 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 3 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | ESE 3 | SE 4 | SE 4 | ESE 4 | SE 4 | SE 5 | SSE 5 | S 5 | SSW 5 | SW 10 | SSW 5 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 |
| kJ | — | — | — | 7 | 17 | 21 | 29 | 39 | 54 | 84 | 106 | 208 | 1070 | 56 | 862 | 1107 | 1154 | 1029 | 835 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 114 | 114 | 138 | 155 | 155 | 192 | 410 | 410 | 638 | 464 | 788 | 905 | 204 | 31 | 376 | 309 | 309 | 204 | 52 |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
Header Global | |||||||||||||||||||
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