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Porth Nefyn Surf Forecast
/ Wales – Lleyn (14 surf breaks) /
Surf Forecasts
Porth Nefyn surfForecast / Wales – Lleyn / UK
48hr Weather and Surf, issued 12 pm Friday 04 Jul 2025 BSTForecast update in hr min s Forecast update imminent
Porth Nefyn surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Porth Nefyn sea temperature is
16.4° C
(Which is 2.0°C warmer than normal for this time of year)| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Jul) | 0.5ft (0.1m) | 4s |
| Afternoon (04 Jul) | - | - |
| Evening (04 Jul) | 6ft (1.8m) | 6s |
Table - waves today at Porth Nefyn. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 04 | Saturday 05 | Sunday 06 | Monday 07 | Tuesday 08 | Wednesday 09 | Thursday 10 | Friday 11 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| 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 | 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 | 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 | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Swell Height Map |    |    |    |    |    |    |    |    | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Wave Height (m) & direction (?) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | ||||||||||||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 4 | 5 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 5 | 6 | 6 | 7 | 7 | 4 | 5 | 5 | 6 | 6 | 5 | 5 | 5 | 6 | 5 | 4 | 4 | 4 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 5 | 3 | - | 4 | 4 | 4 | 4 | 4 | 4 | 4 | - | - | - | - | - | - | - | - | - | - | - | - | - |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Energy (?) | 1 | 0 | 0 | 236 | 299 | 279 | 227 | 168 | 144 | 114 | 0 | 0 | 101 | 110 | 89 | 47 | 62 | 62 | 48 | 50 | 48 | 64 | 57 | 92 | 55 | 32 | 13 | 9 | 8 | 9 | 26 | 17 | 15 | 12 | 6 | 2 | 2 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on | on | on | on | on | on | on | glass | cross- on | cross- on | on | cross- on | cross | cross- off | off | off | off | glass | glass | cross- off | cross- off | cross- off | cross- off | off | off | glass | glass | glass | cross- off | cross- off | cross- off | off | off | off | off | off | cross- off | cross- off | cross- off |
High Tide / height (m) | 4:49PM 2.64 | 5:09AM 2.78 | 5:49PM 2.70 | 6:10AM 2.79 | 6:43PM 2.81 | 7:03AM 2.85 | 7:29PM 2.96 | 7:49AM 2.96 | 8:11PM 3.12 | 8:30AM 3.07 | 8:49PM 3.29 | 9:08AM 3.18 | 9:26PM 3.45 | 9:44AM 3.26 | ||||||||||||||||||||||||||||||||||||||||||||||
Low Tide / height (m) | 10:52AM 1.10 | 11:10PM 1.31 | 11:53AM 1.18 | 12:23AM 1.30 | 12:58PM 1.17 | 1:30AM 1.19 | 1:55PM 1.08 | 2:25AM 1.03 | 2:43PM 0.94 | 3:11AM 0.84 | 3:26PM 0.79 | 3:53AM 0.66 | 4:05PM 0.64 | 4:33AM 0.50 | 4:44PM 0.51 | |||||||||||||||||||||||||||||||||||||||||||||
Friday 04 | Saturday 05 | Sunday 06 | Monday 07 | Tuesday 08 | Wednesday 09 | Thursday 10 | Friday 11 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 4:58 | - | - | - | - | - | - | - | 5:00 | - | - | - | - | - | - | - | 5:01 | - | - | - | - | - | - | - | 5:01 | - | - | - | - | - | - | - | 5:03 | - | - | - | - | - | - | - | 5:03 | - | - | - | - | - | - | - | 5:05 | - | - | - | - |
| Sunset | - | - | - | 9:45 | - | - | - | - | - | - | - | 9:45 | - | - | - | - | - | - | - | 9:44 | - | - | - | - | - | - | - | 9:43 | - | - | - | - | - | - | - | 9:43 | - | - | - | - | - | - | - | 9:42 | - | - | - | - | - | - | - | 9:40 | - | - | - | - | - | - | - | 9:39 |
 |  | |  |  | |  | |  | | | |  |  | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | 1 | 4 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 14 | 15 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 16 | 16 | 16 | 16 | 15 | 14 | 13 | 13 | 14 | 15 | 16 | 15 | 13 | 13 | 12 | 13 | 14 | 15 | 15 | 14 | 14 | 13 | 12 | 12 | 13 | 14 | 15 | 16 | 17 | 16 | 16 | 17 | 18 | 19 | 19 | 18 | 19 | 17 | 16 | 17 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 19 | 21 | 21 | 20 |
| Feels °C (?) | 9 | 10 | 8 | 7 | 7 | 8 | 10 | 11 | 12 | 13 | 12 | 13 | 14 | 12 | 10 | 8 | 8 | 10 | 12 | 12 | 9 | 5 | 5 | 4 | 6 | 8 | 11 | 13 | 13 | 13 | 9 | 9 | 10 | 12 | 12 | 13 | 14 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 19 | 17 | 16 | 17 | 20 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 21 | 21 | 20 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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