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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 pm Wednesday 25 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 1AM is: 1.4m 6s primary swell from a Northwest direction and 0.4m 7s secondary swell from a Southwest direction, 0.1m 14s secondary swell from a West direction (forecast issued at 05:00pm March 25). 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) | 1.5ft (0.4m) | 4s |
| Evening (26 Mar) | - | - |
Table - waves today at Trefor. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Wednesday 25 | Thursday 26 | Friday 27 | Saturday 28 | |||||||||||||||||||||
| 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) (?) | 7 | 7 | 7 | 6 | 6 | 5 | 5 | 4 | 4 | 4 | 5 | 5 | 12 | 6 | 6 | 6 | 6 | 6 | 6 | 4 | 5 | 6 | 6 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 430 | 434 | 344 | 188 | 112 | 44 | 25 | 14 | 4 | 0 | 0 | 0 | 3 | 0 | 0 | 80 | 51 | 35 | 23 | 35 | 70 | 151 | 167 | 144 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | on | on | cross- on | on | on | cross- on | cross- on | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 12:57PM 3.07 | 1:25AM 3.00 | 2:15PM 2.71 | 2:54AM 2.82 | 4:04PM 2.60 | 4:37AM 2.90 | ||||||||||||||||||
Low Tide / height (m) | 8:18PM 1.11 | 9:05AM 1.00 | 9:45PM 1.26 | 10:40AM 0.99 | 11:15PM 1.17 | |||||||||||||||||||
Wednesday 25 | Thursday 26 | Friday 27 | Saturday 28 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | 6:07 | - | - | - | - | - | - | - | 6:03 | - | - | - | - | - | - | - | 6:01 | - |
| Sunset | - | 6:38 | - | - | - | - | - | - | - | 6:39 | - | - | - | - | - | - | - | 6:42 | - | - | - | - | - | - |
 | |  |  |  | |  | |  | | |  | | |  | | | |  | | | |  | | |
Rain (mm) | 1 | 1 | - | 1 | 1 | - | - | - | - | - | 1 | - | - | 1 | 3 | 3 | 2 | - | - | - | - | - | - | - |
| Temp. °C | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 6 | 8 | 9 | 8 | 9 | 9 | 8 | 7 | 8 | 7 | 7 | 6 | 6 | 6 | 7 |
| Feels °C (?) | -4 | -5 | -4 | -3 | -1 | 1 | 1 | 2 | 2 | 1 | 4 | 5 | 4 | 5 | 6 | 4 | 3 | 1 | 0 | -1 | -3 | -4 | -3 | -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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