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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 pm Saturday 25 Apr 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
10.5° C
(Which is 1.3°C warmer than normal for this time of year)How big are the waves at Trefor today?
The current surf forecast for Trefor at 11PM is: 0.5m 10s primary swell from a Southwest direction (forecast issued at 06:00pm April 25). The wind direction is predicted to be glassy.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Apr) | - | - |
| Afternoon (25 Apr) | 2ft (0.6m) | 10s |
| Evening (25 Apr) | 1.5ft (0.5m) | 10s |
Table - waves today at Trefor. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 15°C on Sat afternoon, min 10°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Sat 25 | Sunday 26 | Monday 27 | Tue 28 | |||||||||||||||||||||
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 | 10 AM | 1 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
WSW 10 | SW 10 | SW 10 | SW 10 | SW 9 | SW 9 | SW 9 | SW 9 | SW 9 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | WSW 8 | WSW 8 | NNW 4 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | |
69 | 49 | 47 | 45 | 41 | 29 | 28 | 20 | 19 | 24 | 17 | 17 | 17 | 17 | 10 | 10 | 9 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | on | glassy | glassy | off | off | off | cross-off | cross-off | cross-off | cross-off | off | glassy | cross-on | on | on | on | on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | |
High Tide | 5:00PM2.60m | 5:19AM3.02m | 6:17PM2.75m | 6:25AM3.18m | 7:07PM2.95m | 7:14AM3.35m | ||||||||||||||||||
Low Tide | 11:46PM1.10m | 12:35PM0.65m | 00:55AM0.93m | 1:34PM0.47m | 1:51AM0.72m | |||||||||||||||||||
 | |  | | |  | | | | |  | | | | | | | |  | | | | | | |
 | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:52 | — | — | — |
 | — | 8:34 | — | — | — | — | — | — | — | 8:36 | — | — | — | — | — | — | — | 8:37 | — | — | — | — | — | 8:38 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 15 | 14 | 14 | 14 | 13 | 12 | 13 | 14 | 14 | 13 | 12 | 12 | 12 | 11 | 13 | 13 | 14 | 13 | 11 | 10 | 11 | 10 | 11 | 12 |
13 | 12 | 12 | 12 | 11 | 10 | 10 | 11 | 12 | 11 | 10 | 11 | 11 | 9 | 10 | 8 | 9 | 9 | 8 | 7 | 8 | 7 | 8 | 8 | |
Swell 1 Height (m) Direction Period (s) | WSW 10 | SW 10 | SW 10 | SW 10 | SW 9 | SW 9 | SW 9 | SW 9 | SW 9 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | WSW 8 | WSW 8 | WSW 7 | NNW 5 | NNW 5 | NNW 5 | WSW 8 |
 kJ | 69 | 49 | 47 | 45 | 41 | 29 | 28 | 20 | 19 | 24 | 17 | 17 | 17 | 17 | 10 | 10 | 9 | 6 | 6 | 5 | 4 | 2 | 2 | 6 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 9 | W 9 | WSW 8 | WSW 8 | WSW 8 | NNW 4 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 | 6 | 6 | 6 | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 15 | W 15 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 4 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | SSW 2 | SSW 2 | — | — | — | — | — | NNW 2 | NNW 3 | NNW 3 | NNW 3 | NNW 3 | NNW 4 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | 1 | 4 | 4 | 6 | 3 | 6 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 20 | 20 | 20 | 23 | 130 | 130 | 130 | 130 | 130 | 147 | 136 | 130 | 130 | 136 | 147 | 155 | 298 | 298 | 297 | 155 | 155 | 155 | 153 | 147 |
Best forecast wave conditions in Lleyn Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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