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Trefor Surf Forecast
/ Wales – Lleyn (14 surf breaks) /
Surf Forecasts:
Trefor surfForecast / Wales – Lleyn / UK
48hr Weather and Surf, issued 12 pm Wednesday 22 Oct 2025 BST
How big are the waves at Trefor today?
The current surf forecast for Trefor at 7PM is: 0.3m 7s primary swell from a Southwest direction and 0.2m 4s secondary swell from a West-northwest direction (forecast issued at 12:00pm October 22). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Oct) | 1.5ft (0.5m) | 7s |
| Afternoon (22 Oct) | 1.5ft (0.4m) | 7s |
| Evening (22 Oct) | 1ft (0.3m) | 7s |
Table - waves today at Trefor. (Swell directed towards the surf break)
Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | |||||||||||||||||||||
| 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 7 | 7 | 7 | 7 | 7 | 10 | 9 | 5 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 7 | 8 | 8 | 9 | 6 | 7 | 7 | 8 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 26 | 17 | 16 | 7 | 10 | 15 | 30 | 66 | 483 | 585 | 404 | 361 | 361 | 344 | 373 | 586 | 750 | 458 | 378 | 323 | 373 | 574 | 834 | 1040 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross- off | off | cross- off | cross | cross- on | cross- on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross | cross | cross | cross | cross- on | cross- on | cross- on | on | on | on |
High Tide / height (m) | 9:42AM 3.65 | 9:57PM 3.71 | 10:12AM 3.66 | 10:29PM 3.61 | 10:42AM 3.60 | 11:00PM 3.46 | ||||||||||||||||||
Low Tide / height (m) | 4:35PM 0.31 | 4:50AM 0.36 | 5:05PM 0.37 | 5:19AM 0.51 | 5:37PM 0.49 | 5:50AM 0.69 | ||||||||||||||||||
Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | - | 7:56 | - | - | - | - | - | - | - | 7:58 | - | - | - | - | - | - | - |
| Sunset | - | - | 6:07 | - | - | - | - | - | - | - | 6:05 | - | - | - | - | - | - | - | 6:02 | - | - | - | - | - |
 |  | |  | | | |  |  |  | | |  | | | | |  | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | 1 | 1 | - | - | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 1 | 1 | 2 | 2 | 2 |
| Temp. °C | 12 | 12 | 12 | 11 | 11 | 10 | 10 | 11 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 11 | 11 | 11 | 10 | 11 | 10 | 11 |
| Feels °C (?) | 10 | 9 | 9 | 9 | 8 | 5 | 4 | 1 | -3 | -4 | -3 | -2 | -1 | 0 | 0 | 0 | 0 | 2 | 5 | 4 | 2 | 2 | 1 | 1 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Wales - Lleyn
Continuing clean conditions at Trefor (light winds from the SSE.(Wind varies from 110 to 180 degs) at Caernarfon Airport 13 km from Trefor). 0.4m 4s local chop from the W with a 0.2m 6s windswell from the WSW and a 0.1m 5s windswell from the SW. 3 swells combining to make bigger set waves.
1 h 22 min ago
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