Surf Forecasts:
How big are the waves at Porth Nefyn today (26 Jul):
- Morning surf: Morning surf (26 Jul, local time) - 4.5ft (1.4m), 5s period with W swell.
- Afternoon surf: Afternoon surf (26 Jul, local time) - 4ft (1.2m), 6s period with WNW swell.
- Evening surf: Evening surf (26 Jul, local time) - 2ft (0.6m), 5s period with NW swell.
The current surf forecast for Porth Nefyn at 6AM is: 1.2m 5s primary swell from a West direction (forecast issued at 12:00am July 26). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Jul) | 4.5ft (1.4m) | 5s |
| Afternoon (26 Jul) | 4ft (1.2m) | 6s |
| Evening (26 Jul) | 2ft (0.6m) | 5s |
Table - waves today at Porth Nefyn. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Sat night. Very mild (max 19°C on Mon night, min 14°C on Sun night). Winds decreasing (fresh winds from the WNW on Sat night, light winds from the SSW by Mon night). | ||||||||||||||||||||||||
Sunday 26 | Monday 27 | Tuesday 28 | ||||||||||||||||||||||
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 | WSW 5 | W 5 | W 5 | WNW 6 | W 6 | W 5 | SW 6 | NW 4 | WNW 4 | WNW 5 | NW 5 | NW 4 | SW 4 | SW 5 | SW 5 | SW 6 | SW 6 | SW 6 | SW 4 | SW 5 | SW 5 | SW 4 | SW 4 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 0 | 0 | 70 | 114 | 126 | 88 | 55 | 19 | 21 | 23 | 31 | 11 | 3 | 0 | 0 | 0 | 43 | 0 | 0 | 0 | 0 | 10 | 13 | 9 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | cross-off | cross-off | cross-off | off | off |
High Tide | 7:27AM2.80m | 7:50PM3.01m | 8:13AM2.94m | 8:32PM3.21m | 8:53AM3.07m | 9:10PM3.40m | ||||||||||||||||||
Low Tide | 2:08AM1.13m | 2:26PM1.09m | 2:55AM0.93m | 3:07PM0.90m | 3:34AM0.72m | 3:43PM0.70m | ||||||||||||||||||
 |  |  |  | | | | |  | | | | | |  | | | | | | | | | | |
 | — | 5:24 | — | — | — | — | — | — | — | 5:26 | — | — | — | — | — | — | — | 5:28 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:22 | — | — | — | — | — | — | — | 9:21 | — | — | — | — | — | — | — | 9:19 | — |
mm | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 16 | 16 | 15 | 15 | 16 | 16 | 17 | 15 | 15 | 14 | 14 | 15 | 16 | 17 | 18 | 19 | 18 | 17 | 18 | 19 | 19 | 18 | 18 |
Feels °C | 12 | 12 | 10 | 9 | 9 | 10 | 12 | 14 | 10 | 11 | 10 | 10 | 11 | 14 | 16 | 17 | 19 | 17 | 16 | 16 | 17 | 17 | 17 | 17 |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | SW 6 | — | SW 6 | SW 6 | SW 5 | SW 5 | WSW 6 | NW 5 | NW 4 | — | — | — | SW 6 | — | — | — | — | SW 5 | SW 4 | SW 4 |
| kJ | — | — | — | — | 54 | — | 31 | 16 | 10 | 4 | 4 | 11 | 3 | — | — | — | 43 | — | — | — | — | 10 | 13 | 9 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 5 | WSW 5 | W 5 | W 5 | WNW 6 | W 6 | W 5 | NW 5 | NW 4 | WNW 4 | WNW 5 | SW 4 | SW 4 | SW 4 | SW 5 | SW 5 | — | SW 6 | SW 6 | SW 4 | SW 5 | SW 4 | — | — |
| kJ | 53 | 64 | 70 | 114 | 126 | 88 | 55 | 19 | 21 | 23 | 31 | 9 | 28 | 24 | 25 | 37 | — | 39 | 40 | 22 | 25 | 20 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 346 | 551 | 603 | 603 | 885 | 885 | 143 | 142 | 305 | 294 | 155 | 283 | 283 | 286 | 274 | 268 | 283 | 200 | 264 | 270 | 279 | 281 | 264 | 269 |
Best forecast wave conditions in Lleyn Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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