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Trefor Surf Forecast
/ Wales – Lleyn (14 surf breaks) /
Surf Forecasts:
Trefor surfForecast / Wales – Lleyn / UK
48hr Weather and Surf, issued 5 am Thursday 26 Mar 2026 GMTForecast 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
9.4° C
(Which is 1.5°C warmer than normal for this time of year)How big are the waves at Trefor today?
The current surf forecast for Trefor at 9AM is: 0.8m 5s primary swell from a Northwest direction and 0.7m 5s secondary swell from a West-northwest direction, 0.4m 6s secondary swell from a Southwest direction (forecast issued at 05:00am March 26). The wind direction is predicted to be onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Mar) | 2.5ft (0.8m) | 5s |
| Afternoon (26 Mar) | 0.5ft (0.1m) | 13s |
| Evening (26 Mar) | - | - |
Table - waves today at Trefor. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Thursday 26 | Friday 27 | Saturday 28 | Sun 29 | |||||||||||||||||||||
| 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 | 3 PM | 6 PM | 9 PM | 0 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 6 | 5 | 5 | 4 | 13 | 4 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 4 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 4 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 116 | 44 | 32 | 9 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 60 | 43 | 29 | 27 | 87 | 115 | 126 | 148 | 153 | 124 | 69 | 45 | 26 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | cross- on | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | on | cross- on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | cross- on | cross- on |
High Tide / height (m) | 1:25AM 3.00 | 2:15PM 2.71 | 2:54AM 2.82 | 4:04PM 2.60 | 4:37AM 2.90 | 5:36PM 2.75 | ||||||||||||||||||
Low Tide / height (m) | 9:05AM 1.00 | 9:45PM 1.26 | 10:40AM 0.99 | 11:15PM 1.17 | 12:02PM 0.75 | |||||||||||||||||||
Thursday 26 | Friday 27 | Saturday 28 | Sun 29 | |||||||||||||||||||||
| Sunrise | - | - | 6:07 | - | - | - | - | - | - | - | 6:03 | - | - | - | - | - | - | - | 6:01 | - | - | - | - | - |
| Sunset | - | - | - | - | - | 6:39 | - | - | - | - | - | - | - | 6:42 | - | - | - | - | - | - | - | 6:44 | - | - |
 |  |  | |  | |  | | | |  | |  | | | | | | |  | | |  | | |
Rain (mm) | 1 | - | - | - | - | - | 1 | 1 | 1 | 3 | 3 | 3 | - | - | - | - | - | - | - | 1 | - | - | - | - |
| Temp. °C | 6 | 6 | 6 | 6 | 7 | 6 | 7 | 9 | 8 | 9 | 9 | 7 | 8 | 8 | 7 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 |
| Feels °C (?) | -1 | 1 | 2 | 2 | 2 | 1 | 3 | 5 | 4 | 5 | 6 | 3 | 4 | 1 | -1 | -2 | -3 | -3 | -3 | -3 | -2 | -1 | 1 | 2 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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