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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 am Tuesday 05 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
11.5° C
(Which is 1.7°C warmer than normal for this time of year)| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 May) | - | - |
| Afternoon (05 May) | 1.5ft (0.4m) | 3s |
| Evening (05 May) | 1.5ft (0.4m) | 4s |
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 13°C on Thu afternoon, min 7°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 5 | Wednesday 6 | Thursday 7 | ||||||||||||||||||||||
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 | 4 PM | 7 PM | 10 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
N 4 | — | — | — | NW 2 | NNW 3 | NNW 3 | NNW 4 | NNW 5 | NW 5 | NNW 5 | NNW 4 | NW 4 | — | — | — | — | — | SE 3 | SSE 3 | S 3 | W 8 | W 8 | W 8 | |
2 | 0 | 0 | 0 | 2 | 4 | 4 | 4 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | on | on | on | on | cross-on | cross-on | cross-on | glassy | off | cross-off | cross-off | glassy | off | off | off | off | off | off | cross-off | cross-off | off | |
High Tide | 11:06PM3.51m | 11:26AM3.26m | 11:40PM3.36m | 12:01PM3.04m | 00:16AM3.17m | 12:38PM2.82m | ||||||||||||||||||
Low Tide | 6:08AM0.60m | 6:19PM0.83m | 6:47AM0.77m | 6:57PM0.99m | 7:31AM0.95m | 7:41PM1.14m | ||||||||||||||||||
 | |  |  | | |  | | |  | | | | | | | | | | | | | |  | |
 | — | 5:37 | — | — | — | — | — | — | — | 5:35 | — | — | — | — | — | — | — | 5:33 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:51 | — | — | — | — | — | — | — | 8:52 | — | — | — | — | — | — | — | 8:54 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 10 | 9 | 9 | 11 | 11 | 11 | 11 | 8 | 7 | 8 | 8 | 10 | 11 | 11 | 11 | 10 | 10 | 9 | 9 | 10 | 10 | 13 | 12 | 11 |
7 | 5 | 5 | 7 | 6 | 6 | 6 | 4 | 3 | 5 | 6 | 7 | 8 | 8 | 9 | 7 | 7 | 5 | 5 | 6 | 7 | 9 | 9 | 9 | |
Swell 1 Height (m) Direction Period (s) | NNW 3 | — | — | — | — | — | — | — | NNW 5 | NNW 5 | NNW 5 | NNW 4 | NW 4 | — | — | — | — | — | — | — | — | W 8 | W 8 | W 8 |
 kJ | 1 | — | — | — | — | — | — | — | 5 | 5 | 2 | 2 | 1 | — | — | — | — | — | — | — | — | 1 | 1 | 1 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | NW 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | N 4 | — | — | — | NW 2 | NNW 3 | NNW 3 | NNW 4 | — | — | — | — | — | — | — | — | — | — | SE 3 | SSE 3 | S 3 | S 3 | SSW 3 | SSW 3 |
| kJ | 2 | — | — | — | 2 | 4 | 4 | 4 | — | — | — | — | — | — | — | — | — | — | 2 | 3 | 2 | 1 | 1 | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 285 | 327 | 418 | 302 | 330 | 385 | 295 | 283 | 283 | 283 | 283 | 303 | 284 | 283 | 283 | 287 | 295 | 300 | 300 | 321 | 280 | 280 | 280 | 280 |
Best forecast wave conditions in Lleyn Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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