Surf Forecasts:
How big are the waves at Hells Mouth (Porth Neigwl) today (10 Sep):
- Morning surf: Morning surf (10 Sep, local time) - 4ft (1.2m), 5s period with SSW swell.
- Afternoon surf: Afternoon surf (10 Sep, local time) - 6.5ft (2.0m), 6s period with SW swell.
- Evening surf: Evening surf (10 Sep, local time) - 5ft (1.5m), 7s period with SW swell.
The current surf forecast for Hells Mouth (Porth Neigwl) at 8PM is: 1.6m 7s primary swell from a Southwest direction (forecast issued at 12:00pm September 10). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Sep) | 4ft (1.2m) | 5s |
| Afternoon (10 Sep) | 6.5ft (2.0m) | 6s |
| Evening (10 Sep) | 5ft (1.5m) | 7s |
Table - waves today at Hells Mouth (Porth Neigwl). (Swell directed towards the surf break)
Short Range ForecastLight rain (total 9mm), mostly falling on Thu afternoon. Very mild (max 18°C on Thu night, min 14°C on Fri morning). Winds decreasing (strong winds from the SSW on Thu morning, light winds from the WNW by Fri afternoon). | |||||||||||||||||||||
Thu 10 | Friday 11 | Saturday 12 | |||||||||||||||||||
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) | SSW 5 | SW 6 | SW 7 | SW 7 | SW 7 | WSW 7 | WSW 9 | SW 7 | SW 7 | SW 7 | SW 8 | SW 8 | SW 8 | SW 3 | SW 5 | SW 6 | SW 6 | SW 7 | SW 7 | SW 7 | SW 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 88 | 195 | 371 | 279 | 188 | 127 | 172 | 65 | 47 | 38 | 33 | 32 | 32 | 11 | 71 | 136 | 193 | 337 | 347 | 325 | 261 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross | cross-off | cross | cross-on | cross-on | cross-on | on | cross-on | on | on | on | on | on | on |
High Tide | 8:12AM4.10m | 8:30PM4.65m | 8:54AM4.33m | 9:11PM4.83m | 9:33AM4.45m | 9:50PM4.85m | |||||||||||||||
Low Tide | 3:23PM0.27m | 3:51AM-0.09m | 4:02PM0.14m | 4:29AM-0.11m | 4:37PM0.12m | ||||||||||||||||
 |  | | |  |  |  |  | |  | | | | |  | | | | | | | |
 | 6:41 | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — |
 | — | — | — | 7:46 | — | — | — | — | — | — | — | 7:44 | — | — | — | — | — | — | — | 7:42 | — |
mm | — | 1 | 2 | — | 1 | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 2 | — | — | — |
Temp °C | 16 | 16 | 17 | 17 | 18 | 17 | 16 | 15 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 16 | 16 | 16 | 17 | 17 | 17 |
Feels °C | 9 | 8 | 11 | 12 | 15 | 13 | 14 | 13 | 9 | 11 | 13 | 12 | 10 | 10 | 9 | 9 | 10 | 10 | 12 | 13 | 14 |
Swell 1 Height (m) Direction Period (s) | SW 8 | — | — | — | — | — | WSW 7 | SW 7 | SW 7 | SW 7 | SW 8 | SW 8 | SW 8 | — | — | — | — | — | — | — | — |
| kJ | 2 | — | — | — | — | — | 107 | 65 | 47 | 38 | 33 | 32 | 32 | — | — | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | NW 4 | NW 4 | NNW 4 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 8 | 4 | 1 | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 5 | SW 6 | SW 7 | SW 7 | SW 7 | WSW 7 | WSW 9 | NW 4 | NW 4 | NW 4 | — | — | — | SW 3 | SW 5 | SW 6 | SW 6 | SW 7 | SW 7 | SW 7 | SW 7 |
| kJ | 88 | 195 | 371 | 279 | 188 | 127 | 172 | 7 | 16 | 14 | — | — | — | 11 | 71 | 136 | 193 | 337 | 347 | 325 | 261 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 319 | 336 | 98 | 463 | 5 | 5 | 5 | 36 | 128 | 128 | 5 | 255 | 141 | 248 | 248 | 255 | 255 | 269 | 319 | 269 | 286 |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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