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Trefor Surf Forecast
/ Wales – Lleyn (14 surf breaks) /
Surf Forecasts:
Trefor surfForecast / Wales – Lleyn / UK
48hr Weather and Surf, issued 11 am Saturday 28 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
9.1° C
(Which is 1.2°C warmer than normal for this time of year)How big are the waves at Trefor today?
The current surf forecast for Trefor at 3PM is: 1.4m 6s primary swell from a West-northwest direction and 0.4m 6s secondary swell from a Southwest direction, 0.1m 18s secondary swell from a West direction (forecast issued at 11:00am March 28). The wind direction is predicted to be cross-onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Mar) | 5.5ft (1.7m) | 6s |
| Afternoon (28 Mar) | 4.5ft (1.4m) | 6s |
| Evening (28 Mar) | 3ft (0.9m) | 5s |
Table - waves today at Trefor. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 28 | Sunday 29 | Monday 30 | Tuesday 31 | |||||||||||||||||||||
| 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 | 3 AM | 6 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 7 | 7 | 7 | 5 | 6 | 6 | 6 | 6 | 5 | 6 | 6 | 6 | 6 | 4 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 223 | 179 | 123 | 78 | 40 | 46 | 34 | 59 | 0 | 368 | 440 | 362 | 273 | 124 | 160 | 154 | 130 | 91 | 43 | 19 | 19 | 13 | 13 | 9 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross- off | cross- off | cross- off | cross | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross | cross- off | cross- off |
High Tide / height (m) | 5:36PM 2.75 | 5:50AM 3.16 | 6:32PM 2.98 | 6:41AM 3.44 | 7:13PM 3.22 | |||||||||||||||||||
Low Tide / height (m) | 12:02PM 0.75 | 12:25AM 0.91 | 1:02PM 0.45 | 1:19AM 0.62 | 1:50PM 0.18 | 2:03AM 0.38 | ||||||||||||||||||
Saturday 28 | Sunday 29 | Monday 30 | Tuesday 31 | |||||||||||||||||||||
| Sunrise | 6:01 | - | - | - | - | - | - | - | 6:00 | - | - | - | - | - | - | 5:56 | - | - | - | - | - | - | - | 5:54 |
| Sunset | - | - | - | 6:44 | - | - | - | - | - | - | - | 6:45 | - | - | - | - | - | - | - | 6:47 | - | - | - | - |
 | |  |  |  | | |  | |  | | | |  | | | | | | | | | | | |
Rain (mm) | 1 | 1 | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 9 | 10 | 10 | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 10 |
| Feels °C (?) | -4 | -3 | -2 | 0 | 1 | 1 | 1 | 0 | -1 | -1 | 1 | 4 | 3 | -1 | -1 | 1 | 1 | 1 | 3 | 4 | 5 | 7 | 7 | 8 |
- 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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