Surf Forecasts:
How big are the waves at Hells Mouth (Porth Neigwl) today (30 Sep):
- Morning surf: Morning surf (30 Sep, local time) - 6ft (1.9m), 11s period with SW swell.
- Afternoon surf: Afternoon surf (30 Sep, local time) - 7ft (2.1m), 11s period with SW swell.
- Evening surf: Evening surf (30 Sep, local time) - 6ft (1.9m), 11s period with SW swell.
The current surf forecast for Hells Mouth (Porth Neigwl) at 9AM is: 1.9m 11s primary swell from a Southwest direction and 1.3m 11s secondary swell from a Southwest direction (forecast issued at 12:00am September 30). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Sep) | 6ft (1.9m) | 11s |
| Afternoon (30 Sep) | 7ft (2.1m) | 11s |
| Evening (30 Sep) | 6ft (1.9m) | 11s |
Table - waves today at Hells Mouth (Porth Neigwl). (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 25mm), heaviest during Tue night. Very mild (max 19°C on Tue night, min 14°C on Wed night). Winds decreasing (near gales from the SSE on Tue night, moderate winds from the WSW by Wed night). | ||||||||||||||||||||||||
Wednesday 30 | Thursday 1 | Friday 2 | ||||||||||||||||||||||
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) | S 6 | SW 10 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 10 | SW 6 | SW 6 | SW 6 | SW 6 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 247 | 1159 | 860 | 860 | 915 | 972 | 963 | 773 | 663 | 548 | 505 | 467 | 408 | 369 | 144 | 161 | 196 | 223 | 332 | 485 | 447 | 447 | 398 | 301 |
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 | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on |
High Tide | 10:44PM4.68m | 11:04AM4.46m | 11:26PM4.44m | 11:46AM4.24m | 00:11AM4.07m | 12:34PM3.92m | ||||||||||||||||||
Low Tide | 5:43AM0.41m | 5:57PM0.50m | 6:22AM0.69m | 6:43PM0.73m | 7:10AM1.00m | 7:47PM0.99m | ||||||||||||||||||
 | |  |  |  |  |  | |  |  | |  | |  | |  | | | | | | | | | |
 | — | — | 7:16 | — | — | — | — | — | — | — | 7:18 | — | — | — | — | — | — | — | 7:20 | — | — | — | — | — |
 | — | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 6:55 | — | — | — | — | — | — | — | 6:53 | — | — |
mm | 2 | 5 | 2 | — | — | 1 | 1 | 1 | — | — | 1 | 2 | — | — | — | — | — | — | 2 | 4 | 2 | 1 | — | — |
Temp °C | 18 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 15 | 15 |
Feels °C | 9 | 11 | 9 | 8 | 8 | 8 | 8 | 10 | 10 | 9 | 10 | 9 | 11 | 9 | 8 | 9 | 9 | 8 | 8 | 10 | 9 | 9 | 9 | 10 |
Swell 1 Height (m) Direction Period (s) | SW 9 | SE 4 | SW 11 | SW 11 | — | WSW 11 | — | SW 11 | SW 11 | SW 11 | SW 11 | — | — | — | WSW 10 | WSW 10 | WSW 10 | WSW 10 | — | — | — | — | — | — |
| kJ | 119 | 4 | 422 | 347 | — | 133 | — | 375 | 341 | 268 | 268 | — | — | — | 88 | 38 | 20 | 10 | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WSW 10 | WSW 10 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 20 | 19 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 6 | SW 10 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 10 | SW 6 | SW 6 | SW 6 | SW 6 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 |
| kJ | 247 | 1159 | 860 | 860 | 915 | 972 | 963 | 773 | 663 | 548 | 505 | 467 | 408 | 369 | 144 | 161 | 196 | 223 | 332 | 485 | 447 | 447 | 398 | 301 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1039 | 275 | 64 | 319 | 309 | 309 | 255 | 64 | 52 | 64 | 64 | 64 | 255 | 255 | 239 | 64 | 64 | 204 | 239 | 294 | 294 | 269 | 239 | 98 |
Best forecast wave conditions in Lleyn Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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