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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 28 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
11.4° C
(Which is 2.0°C warmer than normal for this time of year)How big are the waves at Trefor today?
The current surf forecast for Trefor at 9AM is: 0.2m 8s primary swell from a West-southwest direction (forecast issued at 06:00am April 28). An open ocean swell of 0.2m 4s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Apr) | 0.5ft (0.2m) | 8s |
| Afternoon (28 Apr) | 0.5ft (0.1m) | 15s |
| Evening (28 Apr) | 0.5ft (0.1m) | 14s |
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 18°C on Thu afternoon, min 8°C on Tue night). Winds decreasing (fresh winds from the E on Wed afternoon, light winds from the ESE by Thu night). | ||||||||||||||||||||||||
Tuesday 28 | Wednesday 29 | Thursday 30 | Fri 1 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
WSW 8 | WSW 8 | WSW 8 | W 15 | W 15 | W 14 | W 14 | W 13 | W 13 | W 13 | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | W 12 | W 12 | SE 5 | W 11 | W 11 | W 11 | W 11 | W 11 | |
6 | 6 | 6 | 5 | 5 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 10 | 2 | 2 | 2 | 2 | 2 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross | cross | cross | cross | cross-on | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 7:14AM3.35m | 7:45PM3.16m | 7:55AM3.49m | 8:20PM3.36m | 8:32AM3.59m | 8:54PM3.51m | ||||||||||||||||||
Low Tide | 2:21PM0.33m | 2:37AM0.54m | 3:02PM0.25m | 3:17AM0.42m | 3:38PM0.24m | |||||||||||||||||||
 |  | |  |  | | | | | | | | | | | | | | | | | |  | | |
 | 5:52 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — | 5:45 |
 | — | — | — | — | — | 8:38 | — | — | — | — | — | — | — | 8:40 | — | — | — | — | — | — | — | 8:43 | — | 8:44 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 11 | 8 | 10 | 11 | 12 | 12 | 10 | 8 | 8 | 8 | 11 | 14 | 15 | 13 | 11 | 10 | 10 | 11 | 14 | 16 | 18 | 17 | 14 | 13 |
8 | 4 | 6 | 7 | 7 | 8 | 6 | 4 | 3 | 3 | 6 | 7 | 8 | 5 | 4 | 5 | 5 | 7 | 10 | 10 | 13 | 13 | 11 | 10 | |
Swell 1 Height (m) Direction Period (s) | NNW 4 | NNW 4 | WSW 8 | WSW 7 | WSW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | — | W 13 | W 12 | W 12 | SSE 4 | SE 4 | W 12 | SE 5 | W 11 | W 11 | W 11 | W 11 | — |
 kJ | 2 | 2 | 6 | 5 | 5 | 2 | 2 | 2 | 2 | 2 | 2 | — | 3 | 3 | 3 | 2 | 1 | 3 | 10 | 2 | 2 | 2 | 2 | — |
Swell 2 Height (m) Direction Period (s) | WSW 8 | WSW 8 | NNW 4 | NW 4 | W 15 | W 14 | W 14 | — | W 13 | W 13 | W 13 | SW 7 | W 7 | — | — | W 12 | W 12 | — | W 11 | — | — | S 6 | S 6 | W 11 |
| kJ | 6 | 6 | 2 | 1 | 4 | 4 | 4 | — | 3 | 3 | 3 | 2 | 1 | — | — | 3 | 3 | — | 3 | — | — | 1 | 1 | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | W 15 | W 15 | — | — | W 13 | W 13 | W 13 | W 13 | — | W 13 | — | — | — | — | — | — | — | — | — | — | S 6 | S 6 |
| kJ | — | — | 4 | 4 | — | — | 4 | 3 | 3 | 3 | — | 3 | — | — | — | — | — | — | — | — | — | — | 1 | 1 |
Wind waves Height (m) Direction Period (s) | — | — | — | NE 2 | NNE 2 | NNE 3 | NNE 3 | NE 2 | NE 3 | ENE 3 | ENE 3 | E 3 | ESE 4 | ESE 4 | E 4 | NE 3 | ENE 3 | ESE 4 | SE 4 | SSE 4 | SE 4 | SE 4 | SE 3 | SE 3 |
| kJ | — | — | — | 1 | 1 | 3 | 3 | 1 | 2 | 3 | 3 | 5 | 13 | 15 | 9 | 2 | 1 | 11 | 29 | 8 | 9 | 8 | 4 | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 298 | 298 | 298 | 155 | 155 | 156 | 303 | 303 | 152 | 136 | 136 | 280 | 280 | 280 | 283 | 283 | 283 | 269 | 280 | 283 | 285 | 285 | 305 | 303 |
Best forecast wave conditions in Lleyn Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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