Surf Forecasts:
How big are the waves at Hells Mouth (Porth Neigwl) today (20 Oct):
- Morning surf: Morning surf (20 Oct, local time) - 1ft (0.3m), 4s period with S swell.
- Afternoon surf: Afternoon surf (20 Oct, local time) - 0.5ft (0.1m), 8s period with SW swell.
- Evening surf: Evening surf (20 Oct, local time) - 1ft (0.3m), 5s period with SW swell.
The current surf forecast for Hells Mouth (Porth Neigwl) at 4PM is: 0.1m 8s primary swell from a Southwest direction and 0.2m 4s secondary swell from a South-southwest direction (forecast issued at 12:00pm October 20). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Oct) | 1ft (0.3m) | 4s |
| Afternoon (20 Oct) | 0.5ft (0.1m) | 8s |
| Evening (20 Oct) | 1ft (0.3m) | 5s |
Table - waves today at Hells Mouth (Porth Neigwl). (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 25mm), heaviest during Thu night. Very mild (max 13°C on Thu afternoon, min 8°C on Wed morning). Winds increasing (light winds from the SE on Tue morning, gales from the NW by Wed morning). | |||||||||||||||||||||
Tue 20 | Wednesday 21 | Thursday 22 | |||||||||||||||||||
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) | S 4 | W 10 | W 10 | W 10 | SW 5 | SSE 4 | SW 6 | SW 7 | WSW 10 | W 8 | WNW 8 | WNW 7 | W 7 | WSW 8 | W 5 | WSW 5 | WSW 5 | SW 9 | SW 9 | SW 9 | SW 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 3 | 2 | 3 | 2 | 6 | 16 | 66 | 123 | 746 | 1519 | 1376 | 671 | 321 | 165 | 102 | 105 | 112 | 189 | 148 | 123 | 84 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | on | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-off | cross-off |
High Tide | 4:46PM2.91m | 5:35AM2.79m | 5:50PM3.20m | 6:21AM3.12m | 6:32PM3.54m | ||||||||||||||||
Low Tide | 10:56AM1.63m | 11:51PM1.36m | 12:06PM1.42m | 00:48AM1.08m | 1:00PM1.15m | ||||||||||||||||
 | | |  |  |  |  |  |  | | | | | | | |  | | | | | |
 | 7:52 | — | — | — | — | — | — | 7:54 | — | — | — | — | — | — | — | 7:54 | — | — | — | — | — |
 | — | — | 6:13 | — | — | — | — | — | — | — | 6:10 | — | — | — | — | — | — | — | 6:07 | — | — |
mm | — | — | — | — | — | — | 2 | 2 | 1 | 1 | 4 | — | — | 1 | — | 1 | — | — | — | 1 | 2 |
Temp °C | 11 | 10 | 10 | 11 | 12 | 12 | 12 | 12 | 10 | 8 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 13 | 12 | 12 |
Feels °C | 7 | 7 | 7 | 7 | 7 | 4 | 3 | 8 | -1 | -7 | -2 | 1 | 4 | 5 | 4 | 4 | 4 | 7 | 8 | 5 | 3 |
Swell 1 Height (m) Direction Period (s) | SW 6 | SW 4 | SSW 4 | SSW 4 | SW 5 | SW 5 | SW 6 | SW 7 | WSW 10 | — | — | — | — | WSW 8 | — | — | NNW 5 | NW 5 | SW 9 | SW 9 | SW 8 |
| kJ | 1 | 1 | 2 | 2 | 6 | 14 | 66 | 123 | 314 | — | — | — | — | 165 | — | — | 10 | 13 | 148 | 123 | 84 |
Swell 2 Height (m) Direction Period (s) | W 9 | SW 6 | SW 8 | SW 8 | SW 8 | — | — | WSW 14 | — | — | — | — | — | — | — | — | — | NW 5 | NW 4 | NW 4 | NW 4 |
| kJ | 1 | 1 | 3 | 2 | 2 | — | — | 37 | — | — | — | — | — | — | — | — | — | 10 | 7 | 3 | 1 |
Swell 3 Height (m) Direction Period (s) | W 11 | W 10 | W 10 | W 10 | W 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 15 |
| kJ | 2 | 2 | 2 | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 |
Wind waves Height (m) Direction Period (s) | S 4 | SSE 2 | — | SE 2 | SSE 3 | SSE 4 | SE 4 | SSE 4 | WSW 10 | W 8 | WNW 8 | WNW 7 | W 7 | W 6 | W 5 | WSW 5 | WSW 5 | SW 9 | — | SE 2 | SE 3 |
| kJ | 3 | 1 | — | 1 | 3 | 16 | 27 | 15 | 746 | 1519 | 1376 | 671 | 321 | 154 | 102 | 105 | 112 | 189 | — | 1 | 8 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 128 | 128 | 135 | 157 | 294 | 294 | 294 | 286 | 286 | 319 | 304 | 304 | 258 | 5 | 123 | 123 | 123 | 204 | 31 | 31 | 292 |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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