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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 Monday 25 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
12.7° C
(Which is 1.4°C warmer than normal for this time of year)How big are the waves at Trefor today?
The current surf forecast for Trefor at 4PM is: 0.2m 7s primary swell from a West-southwest direction and 0.1m 13s secondary swell from a West direction (forecast issued at 12:00pm May 25). The wind direction is predicted to be glassy.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 May) | 0.5ft (0.2m) | 8s |
| Afternoon (25 May) | 0.5ft (0.2m) | 7s |
| Evening (25 May) | 0.5ft (0.1m) | 13s |
Table - waves today at Trefor. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 3mm), mostly falling on Wed night. Warm (max 25°C on Mon afternoon, min 17°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 25 | Tuesday 26 | Wednesday 27 | Thu 28 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WSW 8 | WSW 7 | WSW 7 | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | N 4 | W 13 | W 13 | W 7 | W 7 | W 7 | W 7 | W 18 | W 18 | W 18 | W 18 | W 17 | |
6 | 5 | 5 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 3 | 3 | 1 | 1 | 1 | 1 | 6 | 6 | 6 | 6 | 6 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | glassy | cross-on | on | cross-on | cross-on | cross-on | cross | glassy | glassy | glassy | glassy | cross-off | cross-off | cross-off | cross-off | off | |
High Tide | 5:36PM2.75m | 5:47AM3.11m | 6:28PM2.89m | 6:39AM3.16m | 7:11PM3.06m | |||||||||||||||||||
Low Tide | 11:56AM0.67m | 00:15AM1.00m | 12:56PM0.65m | 1:16AM0.89m | 1:47PM0.61m | 2:07AM0.78m | ||||||||||||||||||
 | | | |  | | | | |  | | | | | | | | | | | |  |  |  | |
 | 5:05 | — | — | — | — | — | 5:05 | — | — | — | — | — | — | — | 5:03 | — | — | — | — | — | — | — | 5:01 | — |
 | — | — | — | 9:22 | — | — | — | — | — | — | — | 9:24 | — | — | — | — | — | — | — | 9:25 | — | — | — | 9:27 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 1 | |
Temp °C | 22 | 24 | 25 | 25 | 24 | 23 | 22 | 21 | 22 | 23 | 24 | 22 | 21 | 20 | 20 | 19 | 20 | 20 | 21 | 23 | 20 | 18 | 17 | 17 |
23 | 25 | 26 | 26 | 25 | 25 | 23 | 23 | 24 | 24 | 25 | 22 | 20 | 19 | 20 | 20 | 22 | 22 | 22 | 22 | 19 | 17 | 15 | 15 | |
Swell 1 Height (m) Direction Period (s) | WSW 8 | WSW 7 | WSW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | NNW 4 | NNW 5 | NNW 5 | NNW 5 | NW 5 | — | NW 4 | — | W 18 | — | — |
 kJ | 6 | 5 | 5 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 4 | 2 | 2 | 1 | — | 1 | — | 6 | — | — |
Swell 2 Height (m) Direction Period (s) | W 13 | W 13 | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | SW 7 | SW 7 | W 7 | — | — | W 7 | — | W 18 | — | W 18 | W 17 |
| kJ | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 1 | — | — | 1 | — | 6 | — | 6 | 6 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | W 13 | W 13 | — | W 7 | W 7 | — | W 18 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 3 | — | 1 | 1 | — | 6 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | NNW 3 | NNW 3 | N 4 | NE 2 | — | — | SE 3 | SE 3 | NW 4 | ESE 3 | SE 3 | SE 4 | SE 4 | SE 4 |
| kJ | — | — | — | — | — | — | — | — | — | — | 1 | 3 | 4 | 1 | — | — | 2 | 2 | 1 | 1 | 2 | 6 | 5 | 3 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 159 | 189 | 136 | 136 | 136 | 136 | 153 | 136 | 153 | 147 | 147 | 147 | 147 | 136 | 136 | 136 | 157 | 157 | 157 | 206 | 157 | 208 | 222 | 208 |
Best forecast wave conditions in Lleyn Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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