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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 Thursday 09 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 1.3°C warmer than normal for this time of year)How big are the waves at Trefor today?
The current surf forecast for Trefor at 5AM is: 0.2m 9s primary swell from a West-southwest direction and 0.1m 9s secondary swell from a Southwest direction (forecast issued at 12:00am April 09). An open ocean swell of 0.9m 4s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Apr) | - | - |
| Afternoon (09 Apr) | 4.5ft (1.3m) | 5s |
| Evening (09 Apr) | 4.5ft (1.3m) | 6s |
Table - waves today at Trefor. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 09 | Friday 10 | Saturday 11 | ||||||||||||||||||||||
| 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) (?) | 8 | 8 | 9 | 5 | 6 | 6 | 5 | 6 | 6 | 6 | 6 | 5 | 5 | 7 | 14 | 14 | 6 | 8 | 8 | 9 | 9 | 6 | 8 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 17 | 16 | 8 | 0 | 0 | 0 | 91 | 157 | 108 | 102 | 77 | 23 | 13 | 5 | 8 | 4 | 272 | 654 | 468 | 275 | 197 | 0 | 776 | 1218 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | cross- off | cross- off | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | off | off | off | off | off | off | cross- off | cross- on | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 1:17AM 2.84 | 1:45PM 2.54 | 2:13AM 2.60 | 3:01PM 2.31 | 3:58AM 2.48 | 5:20PM 2.31 | ||||||||||||||||||
Low Tide / height (m) | 7:53PM 1.26 | 8:31AM 1.26 | 8:50PM 1.44 | 9:44AM 1.41 | 10:10PM 1.52 | 11:15AM 1.39 | ||||||||||||||||||
Thursday 09 | Friday 10 | Saturday 11 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:33 | - | - | - | - | - | - | - | 6:31 | - | - | - | - | - | - | - | 6:28 | - | - | - | - |
| Sunset | - | - | - | - | - | - | - | 8:05 | - | - | - | - | - | - | - | 8:07 | - | - | - | - | - | - | - | 8:08 |
 |  | |  |  | | |  | | | | | | | | |  | | | | | |  |  | |
Rain (mm) | - | - | - | - | 1 | - | 1 | - | - | - | - | - | - | - | 1 | 1 | 1 | 3 | 4 | 3 | - | 1 | 1 | 1 |
| Temp. °C | 11 | 9 | 8 | 9 | 9 | 8 | 7 | 8 | 7 | 6 | 6 | 6 | 6 | 7 | 6 | 7 | 7 | 8 | 8 | 3 | 5 | 7 | 8 | 7 |
| Feels °C (?) | 8 | 5 | 4 | 5 | 5 | -1 | -1 | -1 | -1 | -1 | 1 | 3 | 1 | 0 | -2 | 0 | -3 | -2 | 3 | 0 | -1 | -3 | -3 | -4 |
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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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