Surf Forecasts:
How big are the waves at Hells Mouth (Porth Neigwl) today (21 Oct):
- Afternoon surf: Afternoon surf (21 Oct, local time) - 8ft (2.5m), 7s period with W swell.
- Evening surf: Evening surf (21 Oct, local time) - 6ft (1.9m), 6s period with W swell.
The current surf forecast for Hells Mouth (Porth Neigwl) at 9PM is: 1.9m 6s primary swell from a West direction and 1.1m 6s secondary swell from a Northwest direction (forecast issued at 06:00pm October 21). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Oct) | - | - |
| Afternoon (21 Oct) | 8ft (2.5m) | 7s |
| Evening (21 Oct) | 6ft (1.9m) | 6s |
Table - waves today at Hells Mouth (Porth Neigwl). (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 37mm), heaviest during Fri morning. Very mild (max 13°C on Sat morning, min 9°C on Fri morning). Winds increasing (light winds from the W on Wed night, gales from the NW by Fri morning). | |||||||||||||||||||
Wed 21 | Thursday 22 | Friday 23 | |||||||||||||||||
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) | W 7 | W 7 | W 6 | SW 8 | SW 8 | SW 9 | WSW 9 | WSW 9 | SW 9 | SW 8 | SW 8 | SW 8 | SW 8 | WSW 14 | NW 7 | WNW 8 | WNW 7 | WNW 7 | WNW 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 652 | 440 | 235 | 129 | 110 | 174 | 252 | 207 | 148 | 105 | 72 | 53 | 64 | 246 | 930 | 1199 | 907 | 880 | 708 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross |
High Tide | 5:50PM3.20m | 6:21AM3.12m | 6:32PM3.54m | 6:58AM3.49m | 7:09PM3.90m | ||||||||||||||
Low Tide | 00:48AM1.08m | 1:00PM1.15m | 1:32AM0.78m | 1:44PM0.88m | |||||||||||||||
 |  |  |  |  | |  |  | |  | | | |  |  |  |  | | | |
 | — | — | — | — | — | 7:54 | — | — | — | — | — | — | — | 7:56 | — | — | — | — | — |
 | 6:10 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:06 | — | — |
mm | 1 | — | — | 1 | 2 | 1 | — | — | — | — | 2 | 5 | — | 6 | 11 | 2 | — | — | — |
Temp °C | 12 | 12 | 11 | 10 | 11 | 10 | 10 | 11 | 12 | 12 | 11 | 12 | 12 | 11 | 9 | 10 | 11 | 11 | 11 |
Feels °C | 1 | 3 | 5 | 6 | 5 | 2 | 5 | 6 | 8 | 5 | 2 | 3 | 8 | 8 | -5 | -5 | -3 | -2 | 0 |
Swell 1 Height (m) Direction Period (s) | — | — | NW 6 | SW 8 | SW 8 | SW 9 | WSW 9 | NNW 4 | SW 9 | SW 8 | SW 8 | SW 8 | SW 8 | SW 10 | SW 12 | — | — | — | — |
| kJ | — | — | 88 | 129 | 110 | 174 | 252 | 3 | 148 | 105 | 72 | 53 | 64 | 173 | 455 | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | NW 6 | NW 5 | — | — | NNW 4 | NNW 4 | NNW 4 | — | — | S 4 | WSW 14 | WSW 15 | — | — | — | — |
| kJ | — | — | — | 38 | 16 | — | — | 3 | 1 | 1 | — | — | 9 | 246 | 272 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 12 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 108 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 7 | W 7 | W 6 | — | — | NW 4 | NNW 4 | WSW 9 | — | SE 3 | ESE 4 | SE 4 | E 4 | NW 3 | NW 7 | WNW 8 | WNW 7 | WNW 7 | WNW 7 |
| kJ | 652 | 440 | 235 | — | — | 16 | 7 | 207 | — | 2 | 14 | 45 | 7 | 2 | 930 | 1199 | 907 | 880 | 708 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 309 | 319 | 5 | 5 | 5 | 123 | 5 | 123 | 52 | 31 | 294 | 188 | 41 | 5 | 308 | 304 | 323 | 640 | 258 |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
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