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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 pm 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)| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Mar) | 4.5ft (1.3m) | 6s |
| Afternoon (27 Mar) | 2.5ft (0.7m) | 6s |
| Evening (27 Mar) | 4.5ft (1.3m) | 5s |
Table - waves today at Trefor. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 27 | Saturday 28 | Sunday 29 | ||||||||||||||||||||||
| 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 | 3 PM | 6 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 4 | 4 | 5 | 6 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 0 | 0 | 0 | 0 | 120 | 60 | 35 | 23 | 80 | 115 | 144 | 175 | 237 | 275 | 131 | 107 | 104 | 69 | 26 | 38 | 0 | 284 | 578 | 362 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- on | cross- on | cross- on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | cross- on | cross | cross- off | cross- off | cross- off | cross- off | cross |
High Tide / height (m) | 2:54AM 2.82 | 4:04PM 2.60 | 4:37AM 2.90 | 5:36PM 2.75 | 5:50AM 3.16 | |||||||||||||||||||
Low Tide / height (m) | 9:45PM 1.26 | 10:40AM 0.99 | 11:15PM 1.17 | 12:02PM 0.75 | 12:25AM 0.91 | 1:02PM 0.45 | ||||||||||||||||||
Friday 27 | Saturday 28 | Sunday 29 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 6:03 | - | - | - | - | - | - | - | 6:01 | - | - | - | - | - | - | - | 6:00 | - | - | - |
| Sunset | - | - | - | - | - | - | - | 6:42 | - | - | - | - | - | - | - | 6:44 | - | - | - | - | - | - | - | 6:45 |
 | |  | |  |  |  |  | |  | |  | | | | | | | | | | | | | |
Rain (mm) | 1 | 1 | - | 4 | 2 | 1 | - | - | - | - | - | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - | 2 | 2 | - |
| Temp. °C | 7 | 9 | 9 | 9 | 8 | 8 | 9 | 7 | 7 | 6 | 6 | 5 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 7 | 8 | 9 |
| Feels °C (?) | 2 | 5 | 5 | 4 | 3 | 2 | 3 | 0 | -1 | -2 | -2 | -4 | -4 | -3 | -2 | -2 | -1 | 1 | 2 | 1 | 0 | -2 | -1 | 1 |
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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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