Surf Forecasts:
How big are the waves at Hells Mouth (Porth Neigwl) today (28 Sep):
- Morning surf: Morning surf (28 Sep, local time) - 2ft (0.6m), 7s period with SW swell.
- Afternoon surf: Afternoon surf (28 Sep, local time) - 1.5ft (0.5m), 7s period with SW swell.
- Evening surf: Evening surf (28 Sep, local time) - 1.5ft (0.4m), 7s period with SW swell.
The current surf forecast for Hells Mouth (Porth Neigwl) at 2AM is: 0.8m 7s primary swell from a Southwest direction and 0.1m 13s secondary swell from a West direction, 0.5m 4s secondary swell from a Northwest direction (forecast issued at 06:00pm September 27). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Sep) | 2ft (0.6m) | 7s |
| Afternoon (28 Sep) | 1.5ft (0.5m) | 7s |
| Evening (28 Sep) | 1.5ft (0.4m) | 7s |
Table - waves today at Hells Mouth (Porth Neigwl). (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 10mm), heaviest on Tue night. Very mild (max 19°C on Tue afternoon, min 13°C on Mon night). Winds increasing (light winds from the WSW on Sun night, strong winds from the SSE by Tue night). | |||||||||||||||||||
Sun 27 | Monday 28 | Tuesday 29 | |||||||||||||||||
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 8 | SW 8 | SW 8 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 6 | SW 6 | SW 6 | SE 4 | SE 4 | SSE 5 |
Wave Graph  | |||||||||||||||||||
 kJ | 337 | 164 | 94 | 77 | 64 | 52 | 44 | 33 | 26 | 17 | 16 | 11 | 7 | 6 | 6 | 6 | 28 | 40 | 84 |
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 | on | cross-on | cross-on | cross-off | off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross |
High Tide | 9:28PM4.72m | 9:48AM4.53m | 10:05PM4.77m | 10:25AM4.56m | |||||||||||||||
Low Tide | 4:09PM0.26m | 4:33AM0.11m | 4:44PM0.25m | 5:08AM0.21m | 5:19PM0.33m | ||||||||||||||
 |  |  | |  | |  | | | |  | | | | | | | | | |
 | — | — | — | — | — | 7:13 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — |
 | — | 7:06 | — | — | — | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:00 | — |
mm | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 16 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 14 | 14 | 13 | 13 | 16 | 18 | 19 | 19 |
Feels °C | 8 | 12 | 10 | 10 | 12 | 12 | 12 | 12 | 12 | 11 | 10 | 8 | 9 | 8 | 7 | 10 | 12 | 13 | 12 |
Swell 1 Height (m) Direction Period (s) | — | SW 8 | SW 8 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 7 |
| kJ | — | 164 | 94 | 77 | 64 | 52 | 44 | 33 | 26 | 17 | 16 | 11 | 7 | 6 | 6 | 6 | 6 | 6 | 9 |
Swell 2 Height (m) Direction Period (s) | — | W 13 | W 13 | W 13 | NW 4 | NW 4 | NW 4 | — | — | — | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | — | — | — |
| kJ | — | 3 | 3 | 3 | 6 | 4 | 2 | — | — | — | 3 | 3 | 3 | 3 | 3 | 3 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | W 13 | — | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 | — | — | — | — | — | — | — | — | — |
| kJ | — | 3 | — | 3 | 3 | 3 | 3 | 3 | 3 | 3 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 8 | WNW 5 | WNW 4 | NW 4 | — | — | — | — | — | — | SE 3 | SE 3 | SE 4 | SE 4 | ESE 4 | SE 4 | SE 4 | SE 4 | SSE 5 |
| kJ | 337 | 14 | 12 | 9 | — | — | — | — | — | — | 2 | 12 | 16 | 21 | 29 | 24 | 28 | 40 | 84 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 258 | 5 | 5 | 5 | 5 | 5 | 107 | 107 | 114 | 114 | 128 | 128 | 138 | 155 | 395 | 410 | 620 | 316 | 638 |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
Header Global | |||||||||||||||||||
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