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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 Tuesday 24 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
9.3° 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 5PM is: 2.5m 8s primary swell from a Southwest direction (forecast issued at 11:00am March 24). The wind direction is predicted to be cross-shore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (24 Mar) | 6ft (1.9m) | 7s |
| Afternoon (24 Mar) | 8ft (2.5m) | 8s |
| Evening (24 Mar) | 10ft (3.0m) | 8s |
Table - waves today at Trefor. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | |||||||||||||||||||||
| 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) (?) | 7 | 7 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 5 | 5 | 5 | 4 | 5 | 5 | 6 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 321 | 604 | 909 | 787 | 1001 | 707 | 517 | 720 | 726 | 574 | 401 | 406 | 500 | 287 | 124 | 88 | 60 | 36 | 10 | 14 | 0 | 0 | 0 | 0 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | cross- on | cross- on | cross- on | cross- on | cross- off | cross- off | cross- off | cross | cross- off | cross- off |
High Tide / height (m) | 11:59AM 3.48 | 12:22AM 3.31 | 12:57PM 3.07 | 1:25AM 3.00 | 2:15PM 2.71 | 2:54AM 2.82 | ||||||||||||||||||
Low Tide / height (m) | 6:42AM 0.52 | 7:12PM 0.80 | 7:44AM 0.80 | 8:18PM 1.11 | 9:05AM 1.00 | 9:45PM 1.26 | ||||||||||||||||||
Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | |||||||||||||||||||||
| Sunrise | 6:11 | - | - | - | - | - | - | - | 6:09 | - | - | - | - | - | - | - | 6:07 | - | - | - | - | - | - | - |
| Sunset | - | - | - | 6:37 | - | - | - | - | - | - | - | 6:38 | - | - | - | - | - | - | - | 6:39 | - | - | - | - |
 | | |  |  |  | | |  | | | |  |  | | |  | | | | | | | | |
Rain (mm) | - | - | - | 3 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - | - | - | 1 | 1 | - | 1 | 3 |
| Temp. °C | 10 | 10 | 10 | 10 | 7 | 7 | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 6 | 6 | 6 | 6 | 7 | 6 | 7 | 9 | 10 | 9 | 9 |
| Feels °C (?) | 3 | 2 | 1 | 0 | -5 | -3 | -5 | -8 | -7 | -6 | -5 | -5 | -3 | -4 | -2 | -1 | -1 | 1 | 1 | 2 | 4 | 5 | 5 | 4 |
- 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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