Surf Forecasts:
How big are the waves at Hells Mouth (Porth Neigwl) today (21 Oct):
- Morning surf: Morning surf (21 Oct, local time) - 8ft (2.4m), 7s period with W swell.
- Afternoon surf: Afternoon surf (21 Oct, local time) - 8ft (2.5m), 7s period with W swell.
- Evening surf: Evening surf (21 Oct, local time) - 7ft (2.2m), 7s period with W swell.
The current surf forecast for Hells Mouth (Porth Neigwl) at 6AM is: 1.6m 6s primary swell from a West-southwest direction (forecast issued at 12:00am October 21). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Oct) | 8ft (2.4m) | 7s |
| Afternoon (21 Oct) | 8ft (2.5m) | 7s |
| Evening (21 Oct) | 7ft (2.2m) | 7s |
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 S on Thu afternoon, gales from the NW by Fri morning). | ||||||||||||||||||||||||
Wednesday 21 | Thursday 22 | Friday 23 | ||||||||||||||||||||||
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 5 | SSW 6 | WSW 6 | W 7 | W 7 | W 7 | W 7 | W 7 | W 6 | W 6 | W 5 | WSW 5 | WSW 9 | SW 9 | SW 9 | SW 9 | SW 8 | SW 8 | NW 7 | NW 8 | NW 7 | WNW 7 | WNW 7 | W 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 24 | 127 | 202 | 569 | 792 | 732 | 622 | 352 | 194 | 117 | 81 | 91 | 197 | 148 | 145 | 91 | 69 | 75 | 673 | 1029 | 728 | 553 | 529 | 521 |
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-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross-on |
High Tide | 5:35AM2.79m | 5:50PM3.20m | 6:21AM3.12m | 6:32PM3.54m | 6:58AM3.49m | 7:09PM3.90m | ||||||||||||||||||
Low Tide | 11:51PM1.36m | 12:06PM1.42m | 00:48AM1.08m | 1:00PM1.15m | 1:32AM0.78m | 1:44PM0.88m | ||||||||||||||||||
 |  | |  | |  |  | | |  |  |  | | | | |  | | | | |  | | | |
 | — | — | 7:54 | — | — | — | — | — | — | — | 7:54 | — | — | — | — | — | — | — | 7:56 | — | — | — | — | — |
 | — | — | — | — | — | 6:10 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:06 | — | — |
mm | — | 1 | 1 | 2 | 2 | — | — | — | 1 | 1 | — | — | — | — | — | 2 | 6 | 1 | 2 | 5 | 1 | — | — | — |
Temp °C | 12 | 12 | 9 | 8 | 9 | 11 | 11 | 11 | 10 | 10 | 10 | 11 | 11 | 13 | 13 | 12 | 12 | 13 | 11 | 10 | 10 | 11 | 11 | 11 |
Feels °C | 4 | 6 | -1 | -3 | -4 | -1 | 1 | 3 | 3 | 4 | 4 | 4 | 5 | 9 | 6 | 3 | 5 | 8 | 2 | -5 | -4 | -1 | -1 | -1 |
Swell 1 Height (m) Direction Period (s) | SW 5 | — | — | — | — | — | — | — | — | — | — | — | NW 5 | SW 9 | SW 9 | SW 9 | SW 8 | SW 8 | SW 8 | SW 9 | SW 11 | — | — | — |
| kJ | 24 | — | — | — | — | — | — | — | — | — | — | — | 5 | 148 | 145 | 91 | 69 | 75 | 63 | 51 | 250 | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 4 | NW 4 | NW 4 | — | S 4 | — | SW 13 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 3 | 1 | — | 3 | — | 85 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 15 | W 15 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 4 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 4 | SSW 6 | WSW 6 | W 7 | W 7 | W 7 | W 7 | W 7 | W 6 | W 6 | W 5 | WSW 5 | WSW 9 | — | SE 2 | SE 3 | SE 4 | ESE 4 | NW 7 | NW 8 | NW 7 | WNW 7 | WNW 7 | W 7 |
| kJ | 16 | 127 | 202 | 569 | 792 | 732 | 622 | 352 | 194 | 117 | 81 | 91 | 197 | — | 1 | 12 | 17 | 7 | 673 | 1029 | 728 | 553 | 529 | 521 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 231 | 166 | 298 | 294 | 286 | 308 | 258 | 319 | 258 | 123 | 123 | 123 | 5 | 52 | 31 | 270 | 298 | 41 | 31 | 316 | 308 | 539 | 1041 | 456 |
Best forecast wave conditions in Lleyn Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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