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Trefor Surf Forecast
/ Wales – Lleyn (14 surf breaks) /
Surf Forecasts:
Trefor surfForecast / Wales – Lleyn / UK
48hr Weather and Surf, issued 12 am Sunday 12 Apr 2026 BSTForecast update in hr min s Forecast update imminent
Trefor surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Trefor sea temperature is
9.5° C
(Which is 1.1°C warmer than normal for this time of year)How big are the waves at Trefor today?
The current surf forecast for Trefor at 8AM is: 2.2m 10s primary swell from a West-southwest direction (forecast issued at 12:00am April 12). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Apr) | 7ft (2.1m) | 10s |
| Afternoon (12 Apr) | - | - |
| Evening (12 Apr) | 4ft (1.2m) | 8s |
Table - waves today at Trefor. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 12 | Monday 13 | Tuesday 14 | ||||||||||||||||||||||
| 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) (?) | 10 | 10 | 11 | 10 | 10 | 6 | 5 | 9 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 8 | 7 | 7 | 7 | 4 | 4 | 5 | 6 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 2349 | 1905 | 1562 | 1067 | 831 | 0 | 0 | 258 | 180 | 112 | 90 | 73 | 28 | 14 | 14 | 45 | 31 | 29 | 7 | 8 | 13 | 15 | 28 | 49 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross- off | cross- off | off | off | off | off | off | cross- off | cross- off | off | off | off | cross- off | cross- off | off | off | off |
High Tide / height (m) | ||||||||||||||||||||||||
Low Tide / height (m) | 11:40PM 1.43 | |||||||||||||||||||||||
Sunday 12 | Monday 13 | Tuesday 14 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:26 | - | - | - | - | - | - | - | 6:24 | - | - | - | - | - | - | - | 6:22 | - | - | - | - |
| Sunset | - | - | - | - | - | - | - | 8:10 | - | - | - | - | - | - | - | 8:12 | - | - | - | - | - | - | - | 8:14 |
 |  | |  |  | | | |  |  | |  | | | | |  | | |  | | |  | | |
Rain (mm) | 3 | 1 | 2 | 1 | - | - | 1 | 1 | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | 1 | - |
| Temp. °C | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 6 | 6 | 8 | 9 | 9 | 9 | 7 | 7 | 6 | 6 | 10 | 11 | 10 | 11 |
| Feels °C (?) | 0 | -1 | -1 | 0 | -1 | 0 | 2 | 3 | 3 | 3 | 2 | 1 | 2 | 3 | 4 | 5 | 4 | 3 | 2 | 2 | 5 | 6 | 5 | 6 |
- 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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