Surf Forecasts:
How big are the waves at Hells Mouth (Porth Neigwl) today (12 Aug):
- Morning surf: Morning surf (12 Aug, local time) - 0.5ft (0.1m), 10s period with SW swell.
- Afternoon surf: Afternoon surf (12 Aug, local time) - 0.5ft (0.2m), 10s period with WSW swell.
- Evening surf: Evening surf (12 Aug, local time) - 0.5ft (0.2m), 9s period with WSW swell.
The current surf forecast for Hells Mouth (Porth Neigwl) at 11AM is: 0.2m 10s primary swell from a West-southwest direction and 0.1m 6s secondary swell from a Southwest direction, 0.3m 3s secondary swell from a South-southeast direction (forecast issued at 06:00am August 12). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Aug) | 0.5ft (0.1m) | 10s |
| Afternoon (12 Aug) | 0.5ft (0.2m) | 10s |
| Evening (12 Aug) | 0.5ft (0.2m) | 9s |
Table - waves today at Hells Mouth (Porth Neigwl). (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Wed afternoon, min 14°C on Fri night). Winds increasing (calm on Thu night, fresh winds from the NNW by Fri night). | |||||||||||||||||||||||
Wednesday 12 | Thursday 13 | Friday 14 | |||||||||||||||||||||
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 11 | SW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | SW 9 | SW 9 | SW 8 | SW 8 | SW 8 | SW 8 | SW 7 | WSW 9 | WSW 4 | WSW 5 | WSW 4 | SW 4 | SW 5 | SW 5 | WSW 4 | SW 7 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 5 | 5 | 10 | 10 | 9 | 9 | 8 | 21 | 20 | 18 | 17 | 16 | 14 | 9 | 8 | 17 | 19 | 13 | 9 | 5 | 3 | 2 | 8 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | glassy | cross | cross | glassy | cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on | on | glassy | cross | cross-off | cross-off | cross-off | cross-off |
High Tide | 8:26AM4.13m | 8:47PM4.64m | 9:12AM4.31m | 9:31PM4.85m | 9:55AM4.39m | ||||||||||||||||||
Low Tide | 3:43PM0.31m | 4:13AM-0.07m | 4:24PM0.16m | 4:55AM-0.16m | 5:03PM0.12m | ||||||||||||||||||
 |  |  | | | |  | | |  | | | | |  | | | | | | | | | |
 | 5:52 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | — | — | — | — | — | 8:51 | — | — | — | — | — | — | — | 8:49 | — | — | — | — | — | — | — | 8:46 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 21 | 20 | 21 | 24 | 26 | 25 | 25 | 23 | 21 | 20 | 21 | 21 | 21 | 20 | 19 | 17 | 17 | 18 | 17 | 16 | 17 | 18 | 17 |
Feels °C | 18 | 17 | 17 | 23 | 24 | 23 | 24 | 21 | 20 | 19 | 21 | 21 | 21 | 20 | 19 | 16 | 17 | 20 | 17 | 13 | 15 | 15 | 15 |
Swell 1 Height (m) Direction Period (s) | SW 11 | SW 11 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | SW 9 | SW 9 | SW 8 | SW 8 | SW 8 | SW 8 | SW 7 | WSW 7 | SW 8 | WSW 9 | WSW 4 | SW 4 | SW 5 | SW 5 | WSW 4 | SW 7 |
| kJ | 5 | 5 | 10 | 10 | 9 | 9 | 8 | 21 | 20 | 18 | 17 | 16 | 14 | 8 | 5 | 2 | 8 | 13 | 9 | 5 | 3 | 2 | 8 |
Swell 2 Height (m) Direction Period (s) | SW 6 | SW 6 | SW 6 | S 3 | SW 6 | SW 6 | SW 6 | — | — | — | — | — | SW 10 | WSW 10 | SW 10 | SW 9 | — | SW 8 | — | SW 8 | SW 8 | SW 7 | SW 7 |
| kJ | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | — | — | — | — | 4 | 9 | 4 | 3 | — | 2 | — | 2 | 2 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | W 6 | — | W 6 | SW 6 | — | — | — | — | — | — | — | — | — | — | WSW 9 | W 6 | — | — | SW 8 | — | — | — | — |
| kJ | 1 | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | 8 | 1 | — | — | 2 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | S 2 | SSE 3 | — | — | — | — | — | — | — | — | — | — | WSW 2 | WSW 4 | WSW 4 | WSW 5 | — | — | NW 3 | NNW 4 | NNW 4 | N 3 |
| kJ | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | 1 | 6 | 17 | 19 | — | — | 3 | 10 | 6 | 5 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 128 | 128 | 184 | 107 | 114 | 107 | 107 | 107 | 107 | 107 | 128 | 137 | 333 | 299 | 142 | 141 | 141 | 145 | 141 | 375 | 497 | 141 | 141 |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
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