Surf Forecasts:
How big are the waves at Hells Mouth (Porth Neigwl) today (23 Sep):
- Morning surf: Morning surf (23 Sep, local time) - 2.5ft (0.8m), 4s period with WNW swell.
- Afternoon surf: Afternoon surf (23 Sep, local time) - 0.5ft (0.1m), 14s period with SW swell.
- Evening surf: Evening surf (23 Sep, local time) - 0.5ft (0.2m), 4s period with WSW swell.
The current surf forecast for Hells Mouth (Porth Neigwl) at 6PM is: 0.4m 4s primary swell from a Northwest direction and 0.2m 4s secondary swell from a West-southwest direction (forecast issued at 12:00pm September 23). An open ocean swell of 0.5m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Sep) | 2.5ft (0.8m) | 4s |
| Afternoon (23 Sep) | 0.5ft (0.1m) | 14s |
| Evening (23 Sep) | 0.5ft (0.2m) | 4s |
Table - waves today at Hells Mouth (Porth Neigwl). (Swell directed towards the surf break)
Short Range ForecastLight rain (total 7mm), mostly falling on Fri afternoon. Very mild (max 16°C on Thu afternoon, min 11°C on Fri morning). Winds decreasing (fresh winds from the NNW on Wed morning, light winds from the W by Fri night). | |||||||||||||||||||||
Wed 23 | Thursday 24 | Friday 25 | |||||||||||||||||||
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) | WNW 4 | SW 14 | SW 13 | NW 4 | W 7 | WSW 6 | WSW 6 | W 12 | S 3 | SSW 4 | SW 5 | SW 5 | SW 5 | SW 5 | SW 4 | WSW 18 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | WSW 14 |
Wave Graph  | |||||||||||||||||||||
 kJ | 19 | 8 | 7 | 5 | 1 | 4 | 4 | 3 | 5 | 24 | 22 | 26 | 22 | 21 | 20 | 30 | 25 | 25 | 24 | 22 | 20 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-on |
High Tide | 7:03AM3.17m | 7:16PM3.59m | 7:36AM3.50m | 7:48PM3.95m | 8:07AM3.84m | 8:20PM4.28m | |||||||||||||||
Low Tide | 1:48PM1.06m | 2:17AM0.76m | 2:25PM0.77m | 2:52AM0.47m | 3:01PM0.53m | ||||||||||||||||
 |  | |  |  |  | | | | | | |  | | | |  | | | |  | |
 | 7:03 | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — |
 | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:13 | — | — | — | — | — | — | — | 7:10 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 3 | 1 |
Temp °C | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 15 | 16 | 16 | 16 | 16 | 16 | 15 | 13 | 11 | 11 | 11 | 11 |
Feels °C | 8 | 7 | 8 | 10 | 11 | 11 | 10 | 9 | 6 | 10 | 12 | 13 | 13 | 13 | 13 | 14 | 8 | 6 | 7 | 9 | 9 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 4 | WSW 4 | NW 4 | NNW 4 | NNW 4 | NNW 4 | SW 6 | SW 6 | — | — | W 11 | W 11 | W 11 | W 19 | WSW 18 | WSW 5 | SW 5 | WSW 5 | WSW 9 | WSW 9 |
| kJ | 8 | 3 | 2 | 5 | 7 | 2 | 2 | 1 | 1 | — | — | 2 | 2 | 2 | 7 | 30 | 12 | 5 | 2 | 16 | 16 |
Swell 2 Height (m) Direction Period (s) | W 8 | SW 14 | SW 13 | WSW 4 | SW 4 | WNW 3 | WSW 6 | — | — | — | — | — | — | W 10 | W 10 | W 10 | WSW 16 | WSW 16 | WSW 16 | WSW 15 | NNW 3 |
| kJ | 1 | 8 | 7 | 2 | 1 | 1 | 4 | — | — | — | — | — | — | 2 | 2 | 2 | 25 | 25 | 24 | 22 | 1 |
Swell 3 Height (m) Direction Period (s) | W 11 | W 8 | W 8 | W 7 | W 7 | WSW 6 | W 12 | W 12 | W 11 | — | — | — | — | — | — | W 10 | W 10 | SW 10 | WSW 10 | W 15 | WSW 14 |
| kJ | 2 | 1 | 1 | 1 | 1 | 4 | 3 | 3 | 2 | — | — | — | — | — | — | 2 | 2 | 4 | 9 | 4 | 20 |
Wind waves Height (m) Direction Period (s) | WNW 4 | NW 4 | NNW 4 | N 5 | — | — | — | SSE 3 | S 3 | SSW 4 | SW 5 | SW 5 | SW 5 | SW 5 | SW 4 | SW 4 | — | NNW 3 | NNW 4 | NNW 3 | — |
| kJ | 19 | 27 | 26 | 11 | — | — | — | 2 | 5 | 24 | 22 | 26 | 22 | 21 | 20 | 16 | — | 4 | 8 | 5 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 128 | 144 | 141 | 114 | 114 | 114 | 135 | 135 | 184 | 138 | 138 | 145 | 225 | 187 | 135 | 107 | 123 | 123 | 141 | 0 | 123 |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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