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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 5 pm Thursday 05 Mar 2026 GMTForecast 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
8.2° C
(Which is slightly warmer than usual)How big are the waves at Porth Nefyn today?
The current surf forecast for Porth Nefyn at 9PM is: 1.7m 7s primary swell from a Northwest direction and 0.1m 5s secondary swell from a Southwest direction, 0.1m 11s secondary swell from a West direction (forecast issued at 05:00pm March 05). The wind direction is predicted to be cross-onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 Mar) | - | - |
| Afternoon (05 Mar) | 1.5ft (0.5m) | 5s |
| Evening (05 Mar) | 5.5ft (1.7m) | 7s |
Table - waves today at Porth Nefyn. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 05 | Friday 06 | Saturday 07 | Sunday 08 | |||||||||||||||||||||
| 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 5 | 5 | 7 | 9 | 10 | 11 | 6 | 5 | 4 | 5 | 10 | 8 | 7 | 16 | 17 | 17 | 17 | 15 | 15 | 14 | 14 | 13 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 14 | 102 | 301 | 3 | 4 | 5 | 63 | 41 | 16 | 5 | 2 | 1 | 2 | 5 | 5 | 5 | 11 | 9 | 8 | 20 | 18 | 18 | 17 | 63 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | on | cross- on | cross- on | on | cross- on | cross- on | cross- on | on | cross- on | cross- on | cross- off | off | off | off | off | off | off | cross- off | cross- off | off | off | off | cross- off |
High Tide / height (m) | 9:55PM 3.70 | 10:11AM 4.00 | 10:29PM 3.63 | 10:45AM 3.80 | 11:02PM 3.48 | 11:20AM 3.52 | ||||||||||||||||||
Low Tide / height (m) | 4:40PM -0.08 | 4:47AM 0.14 | 5:12PM 0.13 | 5:18AM 0.30 | 5:41PM 0.40 | 5:49AM 0.52 | ||||||||||||||||||
Thursday 05 | Friday 06 | Saturday 07 | Sunday 08 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 6:54 | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:50 | - |
| Sunset | - | 6:02 | - | - | - | - | - | - | - | 6:04 | - | - | - | - | - | - | - | 6:06 | - | - | - | - | - | - |
 | |  | |  |  |  | | |  |  | | | | | |  | | | | | | | | |
Rain (mm) | 1 | 5 | 4 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 4 | 1 | - |
| Temp. °C | 10 | 5 | 4 | 6 | 6 | 6 | 5 | 6 | 6 | 6 | 5 | 4 | 4 | 4 | 4 | 6 | 7 | 8 | 9 | 9 | 10 | 9 | 9 | 9 |
| Feels °C (?) | 7 | -7 | -7 | -3 | -4 | -3 | -2 | -1 | 0 | 2 | 2 | 1 | 1 | 0 | 1 | 3 | 4 | 5 | 6 | 6 | 7 | 5 | 6 | 5 |
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Live Wave Height (m)
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Ocean Swells (m)- Wind Speed (km/h)
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