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Trefor Surf Forecast
/ Wales – Lleyn (14 surf breaks) /
Surf Forecasts:
Trefor surfForecast / Wales – Lleyn / UK
48hr Weather and Surf, issued 6 am Tuesday 26 May 2026 BSTForecast 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
13.2° C
(Which is 1.9°C warmer than normal for this time of year)How big are the waves at Trefor today?
The current surf forecast for Trefor at 2PM is: 0.1m 12s primary swell from a West direction and 0.1m 7s secondary swell from a Southwest direction, 0.2m 2s secondary swell from a North-northwest direction (forecast issued at 06:00am May 26). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 May) | 0.5ft (0.1m) | 12s |
| Afternoon (26 May) | 0.5ft (0.1m) | 12s |
| Evening (26 May) | 1.5ft (0.5m) | 4s |
Table - waves today at Trefor. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Wed night. Warm (max 24°C on Tue morning, min 12°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 26 | Wednesday 27 | Thursday 28 | Fri 29 | |||||||||||||||||||||
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 | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
W 12 | W 12 | W 12 | W 12 | W 12 | N 4 | N 4 | W 13 | SW 7 | W 7 | W 7 | W 7 | W 7 | W 18 | W 18 | W 18 | W 18 | W 17 | W 16 | W 16 | W 16 | W 16 | SW 16 | W 16 | |
3 | 3 | 3 | 3 | 4 | 7 | 9 | 3 | 2 | 1 | 1 | 1 | 1 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 10 | 5 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | on | on | on | cross-on | cross-on | cross-on | cross-off | glassy | glassy | glassy | glassy | cross-off | cross-off | cross-off | cross-off | off | off | off | cross-off | off | off | cross-off | |
High Tide | 5:47AM3.11m | 6:28PM2.89m | 6:39AM3.16m | 7:11PM3.06m | 7:24AM3.23m | 7:50PM3.22m | ||||||||||||||||||
Low Tide | 12:56PM0.65m | 1:16AM0.89m | 1:47PM0.61m | 2:07AM0.78m | 2:31PM0.59m | |||||||||||||||||||
 |  | |  | | | | | | | | | | |  | |  | | | |  | |  |  | |
 | 5:05 | — | — | — | — | — | — | — | 5:03 | — | — | — | — | — | — | — | 5:01 | — | — | — | — | — | — | 5:01 |
 | — | — | — | — | — | 9:24 | — | — | — | — | — | — | — | 9:25 | — | — | — | — | — | — | — | 9:27 | — | 9:29 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 1 | — | — | — | — | — | — | — | |
Temp °C | 22 | 22 | 22 | 24 | 24 | 22 | 21 | 20 | 20 | 18 | 19 | 20 | 21 | 23 | 21 | 19 | 17 | 16 | 18 | 20 | 21 | 19 | 14 | 13 |
24 | 24 | 23 | 25 | 24 | 21 | 20 | 20 | 21 | 19 | 21 | 21 | 22 | 23 | 20 | 18 | 16 | 14 | 17 | 18 | 19 | 17 | 11 | 10 | |
Swell 1 Height (m) Direction Period (s) | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | NW 5 | NW 5 | NW 5 | NNW 5 | NW 5 | NW 4 | NW 4 | — | W 18 | — | — | W 16 | W 16 | W 16 | W 16 | SW 16 | W 16 |
 kJ | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 5 | 7 | 7 | 2 | 1 | 1 | 1 | — | 6 | — | — | 5 | 5 | 5 | 5 | 10 | 5 |
Swell 2 Height (m) Direction Period (s) | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | SW 7 | SW 7 | W 7 | — | — | — | W 18 | W 18 | — | W 18 | W 17 | W 6 | — | — | — | — | — |
| kJ | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 1 | — | — | — | 6 | 6 | — | 6 | 6 | 1 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | W 13 | — | — | W 7 | W 7 | W 7 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 3 | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | NNW 3 | N 4 | N 4 | ENE 2 | — | — | ESE 3 | ESE 3 | — | ESE 3 | SE 2 | SE 3 | SE 3 | SE 3 | SSE 3 | S 3 | SSW 3 | SSW 3 | SW 4 | SSW 5 |
| kJ | — | — | — | — | 4 | 7 | 9 | 1 | — | — | 3 | 2 | — | 1 | 2 | 3 | 4 | 2 | 1 | 1 | 1 | 3 | 26 | 39 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 153 | 136 | 153 | 136 | 147 | 147 | 147 | 136 | 136 | 136 | 157 | 222 | 157 | 206 | 208 | 222 | 208 | 208 | 277 | 303 | 318 | 278 | 319 | 329 |
Best forecast wave conditions in Lleyn Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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