Surf Forecasts:
How big are the waves at Hells Mouth (Porth Neigwl) today (18 Jun):
- Morning surf: Morning surf (18 Jun, local time) - 2.5ft (0.8m), 4s period with SSW swell.
- Afternoon surf: Afternoon surf (18 Jun, local time) - 4ft (1.2m), 5s period with SW swell.
- Evening surf: Evening surf (18 Jun, local time) - 3.5ft (1.1m), 6s period with SW swell.
The current surf forecast for Hells Mouth (Porth Neigwl) at 3AM is: 0.8m 5s primary swell from a Southwest direction and 0.1m 10s secondary swell from a Southwest direction (forecast issued at 12:00am June 18). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jun) | 2.5ft (0.8m) | 4s |
| Afternoon (18 Jun) | 4ft (1.2m) | 5s |
| Evening (18 Jun) | 3.5ft (1.1m) | 6s |
Table - waves today at Hells Mouth (Porth Neigwl). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 8mm), mostly falling on Thu afternoon. Very mild (max 17°C on Fri morning, min 14°C on Wed night). Winds decreasing (strong winds from the SSW on Fri afternoon, light winds from the N by Sat afternoon). | ||||||||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | ||||||||||||||||||||||
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 | SW 5 | SSW 4 | SSW 4 | SW 5 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | WSW 7 | SW 7 | SW 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 35 | 26 | 17 | 29 | 60 | 101 | 108 | 95 | 62 | 62 | 109 | 162 | 215 | 206 | 198 | 134 | 102 | 89 | 64 | 52 | 33 | 36 | 25 | 18 |
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 | on | cross-on | on | cross-on | on | on | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 10:47PM4.68m | 11:14AM4.15m | 11:36PM4.55m | 12:04PM3.89m | 00:26AM4.33m | 12:57PM3.61m | ||||||||||||||||||
Low Tide | 6:17AM0.10m | 6:30PM0.49m | 7:08AM0.22m | 7:18PM0.65m | 7:59AM0.41m | 8:07PM0.84m | ||||||||||||||||||
 |  |  | |  | |  |  | | | | | | | | | |  |  | | | | | | |
 | — | 4:52 | — | — | — | — | — | — | — | 4:52 | — | — | — | — | — | — | — | 4:52 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:45 | — | — | — | — | — | — | — | 9:45 | — | — | — | — | — | — | — | 9:45 | — |
mm | — | — | — | — | 1 | 4 | — | — | — | — | — | — | — | 1 | 1 | — | — | 1 | — | — | — | — | — | — |
Temp °C | 14 | 14 | 14 | 15 | 16 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 16 | 15 | 14 | 14 | 15 | 14 | 14 | 14 | 15 | 16 | 17 |
Feels °C | 10 | 11 | 10 | 11 | 10 | 10 | 12 | 13 | 13 | 12 | 11 | 10 | 11 | 10 | 10 | 10 | 11 | 13 | 12 | 13 | 12 | 13 | 14 | 15 |
Swell 1 Height (m) Direction Period (s) | SW 10 | SW 5 | WSW 7 | WSW 9 | SW 9 | SW 9 | SW 6 | SW 6 | SW 6 | SW 6 | W 11 | — | — | — | — | SW 7 | — | SW 7 | SW 7 | SW 7 | SW 7 | WSW 7 | SW 7 | SW 7 |
| kJ | 4 | 26 | 5 | 9 | 3 | 3 | 42 | 51 | 62 | 62 | 2 | — | — | — | — | 77 | — | 44 | 64 | 52 | 33 | 36 | 25 | 18 |
Swell 2 Height (m) Direction Period (s) | SW 10 | SW 10 | WSW 9 | SW 7 | — | — | W 9 | — | — | — | — | — | — | — | — | — | — | — | SW 7 | — | — | — | — | — |
| kJ | 4 | 4 | 9 | 2 | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | 14 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | WSW 10 | SW 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 9 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 5 | SSE 2 | SSW 4 | SSW 4 | SW 5 | SW 6 | SW 6 | SW 6 | S 3 | SSE 3 | SW 6 | SW 6 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | WSW 4 | — | — | NNW 2 | NNW 3 | NNW 3 |
| kJ | 35 | 1 | 17 | 29 | 60 | 101 | 108 | 95 | 6 | 6 | 109 | 162 | 215 | 206 | 198 | 134 | 102 | 89 | 6 | — | — | 1 | 1 | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 135 | 135 | 135 | 157 | 184 | 255 | 135 | 135 | 135 | 155 | 157 | 157 | 126 | 285 | 255 | 135 | 187 | 140 | 141 | 0 | 186 | 300 | 114 | 114 |
Best forecast wave conditions in Lleyn Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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