Surf Forecasts:
How big are the waves at Porth Nefyn today (14 Sep):
- Morning surf: Morning surf (14 Sep, local time) - 2.5ft (0.7m), 5s period with SW swell.
The current surf forecast for Porth Nefyn at 9AM is: 0.7m 5s primary swell from a Southwest direction and 0.1m 12s secondary swell from a West direction (forecast issued at 12:00am September 14). The wind direction is predicted to be offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Sep) | 2.5ft (0.7m) | 5s |
| Afternoon (14 Sep) | - | - |
| Evening (14 Sep) | - | - |
Table - waves today at Porth Nefyn. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Mon night. Very mild (max 17°C on Sun night, min 13°C on Tue night). Mainly fresh winds. | ||||||||||||||||||||||||
Monday 14 | Tuesday 15 | Wednesday 16 | ||||||||||||||||||||||
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 4 | SW 4 | SW 5 | SW 5 | SW 4 | SW 5 | SW 6 | SW 6 | SW 6 | SW 6 | WSW 6 | WSW 6 | W 6 | WSW 5 | SW 5 | SW 5 | NW 5 | NW 5 | NW 5 | NW 5 | WNW 5 | W 4 | W 4 | WSW 4 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 0 | 0 | 0 | 28 | 0 | 0 | 0 | 0 | 219 | 157 | 0 | 126 | 119 | 72 | 28 | 23 | 49 | 79 | 85 | 64 | 33 | 13 | 9 | 0 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-on | cross | cross | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross | cross-off | cross-off |
High Tide | 10:49PM4.07m | 11:08AM3.73m | 11:26PM3.86m | 11:43AM3.58m | 00:03AM3.56m | 12:18PM3.35m | ||||||||||||||||||
Low Tide | 5:54AM0.06m | 6:03PM0.23m | 6:26AM0.35m | 6:37PM0.46m | 6:57AM0.68m | 7:12PM0.74m | ||||||||||||||||||
 |  |  | | |  | |  | |  |  | | | | |  | | | | | | | | | |
 | — | 6:48 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:37 | — | — | — | — | — | — | — | 7:35 | — | — | — | — | — | — | — | 7:31 | — |
mm | — | — | — | — | — | — | — | 1 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 16 | 16 | 17 | 16 | 17 | 17 | 17 | 17 | 17 | 15 | 14 | 15 | 16 | 16 | 16 | 14 | 13 | 14 | 14 | 14 | 15 | 15 | 15 |
Feels °C | 15 | 15 | 15 | 16 | 12 | 13 | 13 | 13 | 13 | 13 | 10 | 8 | 9 | 13 | 13 | 13 | 7 | 6 | 7 | 7 | 8 | 11 | 9 | 9 |
Swell 1 Height (m) Direction Period (s) | — | — | — | SW 5 | — | — | — | — | — | — | — | — | — | — | SW 5 | SW 5 | SW 5 | SW 6 | SW 6 | SW 6 | SW 6 | NW 5 | NNW 5 | NNW 5 |
| kJ | — | — | — | 28 | — | — | — | — | — | — | — | — | — | — | 28 | 23 | 14 | 17 | 9 | 9 | 8 | 7 | 2 | 2 |
Swell 2 Height (m) Direction Period (s) | — | — | — | W 12 | — | — | — | — | — | — | — | — | — | — | WSW 7 | W 11 | WSW 8 | — | — | — | W 11 | W 11 | — | — |
| kJ | — | — | — | 3 | — | — | — | — | — | — | — | — | — | — | 5 | 2 | 7 | — | — | — | 2 | 2 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 11 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 4 | SW 4 | SW 5 | — | SW 4 | SW 5 | SW 6 | SW 6 | SW 6 | SW 6 | WSW 6 | WSW 6 | W 6 | WSW 5 | NW 5 | WNW 4 | NW 5 | NW 5 | NW 5 | NW 5 | WNW 5 | W 4 | W 4 | WSW 4 |
| kJ | 10 | 14 | 17 | — | 40 | 69 | 110 | 187 | 219 | 157 | 127 | 126 | 119 | 72 | 10 | 7 | 49 | 79 | 85 | 64 | 33 | 13 | 9 | 19 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 268 | 262 | 148 | 268 | 268 | 268 | 268 | 283 | 267 | 287 | 476 | 496 | 1228 | 510 | 13 | 136 | 157 | 142 | 142 | 150 | 288 | 297 | 287 | 283 |
Best forecast wave conditions in Lleyn Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Porth Nefyn surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest