Surf Forecasts:
How big are the waves at Hells Mouth (Porth Neigwl) today (19 Sep):
- Morning surf: Morning surf (19 Sep, local time) - 7ft (2.2m), 8s period with SW swell.
- Afternoon surf: Afternoon surf (19 Sep, local time) - 4.5ft (1.4m), 7s period with WSW swell.
- Evening surf: Evening surf (19 Sep, local time) - 4.5ft (1.3m), 7s period with WSW swell.
The current surf forecast for Hells Mouth (Porth Neigwl) at 8PM is: 1.3m 7s primary swell from a West-southwest direction and 0.1m 15s secondary swell from a West direction (forecast issued at 12:00pm September 19). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Sep) | 7ft (2.2m) | 8s |
| Afternoon (19 Sep) | 4.5ft (1.4m) | 7s |
| Evening (19 Sep) | 4.5ft (1.3m) | 7s |
Table - waves today at Hells Mouth (Porth Neigwl). (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 17°C on Sat morning, min 12°C on Sun morning). Winds decreasing (fresh winds from the W on Sat morning, light winds from the WSW by Sun afternoon). | |||||||||||||||||||||
Sat 19 | Sunday 20 | Monday 21 | |||||||||||||||||||
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) | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 5 | W 5 | NW 5 | NW 5 | WSW 6 | NW 5 | SW 6 | SW 6 | SW 6 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 |
Wave Graph  | |||||||||||||||||||||
 kJ | 440 | 272 | 178 | 138 | 136 | 89 | 96 | 49 | 43 | 25 | 19 | 19 | 14 | 9 | 6 | 12 | 18 | 18 | 11 | 6 | 9 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 2:13PM2.85m | 3:05AM2.60m | 4:04PM2.70m | 5:14AM2.61m | 5:48PM2.90m | ||||||||||||||||
Low Tide | 8:28AM1.66m | 9:31PM1.65m | 10:10AM1.77m | 11:24PM1.64m | 11:57AM1.65m | ||||||||||||||||
 |  | | |  |  | | | | |  | |  | | | | | | | | | |
 | 6:58 | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — |
 | — | — | — | 7:24 | — | — | — | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:20 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 16 | 17 | 17 | 16 | 14 | 14 | 13 | 12 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 15 | 16 | 17 | 17 | 16 |
Feels °C | 11 | 10 | 12 | 12 | 11 | 8 | 8 | 6 | 6 | 10 | 12 | 11 | 10 | 9 | 10 | 10 | 12 | 15 | 17 | 16 | 15 |
Swell 1 Height (m) Direction Period (s) | — | W 16 | W 16 | W 15 | W 14 | — | W 14 | SW 6 | SW 6 | WSW 6 | NW 5 | SW 6 | NW 4 | SW 6 | SW 6 | WSW 6 | SW 7 | W 13 | W 13 | SW 6 | — |
| kJ | — | 5 | 5 | 4 | 4 | — | 4 | 38 | 38 | 25 | 15 | 19 | 5 | 9 | 6 | 4 | 2 | 3 | 3 | 2 | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | W 14 | W 14 | W 14 | SW 6 | NW 5 | W 14 | NW 4 | NW 4 | W 13 | W 13 | — | W 7 | W 13 | W 7 |
| kJ | — | — | — | — | — | — | — | 4 | 4 | 4 | 19 | 7 | 4 | 1 | 1 | 3 | 3 | — | 1 | 3 | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | W 14 | W 14 | W 14 | W 14 | N 5 | — | — | — | — | — | — | W 13 |
| kJ | — | — | — | — | — | — | — | — | — | 4 | 4 | 4 | 4 | 1 | — | — | — | — | — | — | 3 |
Wind waves Height (m) Direction Period (s) | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 5 | W 5 | NW 5 | NW 5 | NW 5 | — | — | SW 6 | SW 3 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 |
| kJ | 440 | 272 | 178 | 138 | 136 | 89 | 96 | 49 | 43 | 31 | — | — | 14 | 4 | 6 | 12 | 18 | 18 | 11 | 6 | 9 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 464 | 505 | 297 | 258 | 258 | 238 | 128 | 197 | 137 | 141 | 141 | 114 | 128 | 128 | 128 | 145 | 198 | 242 | 269 | 255 | 216 |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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