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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 Monday 01 Jun 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
14.3° C
(Which is 2.6°C warmer than normal for this time of year)How big are the waves at Trefor today (02 Jun):
- Afternoon surf: Afternoon surf (02 Jun, local time) - 0.5ft (0.1m), 14s period with SW swell.
- Evening surf: Evening surf (02 Jun, local time) - 0.5ft (0.1m), 14s period with SW swell.
The current surf forecast for Trefor at 12AM is: 0.1m 14s primary swell from a Southwest direction and 0.1m 10s secondary swell from a West direction (forecast issued at 06:00pm June 01). An open ocean swell of 1.1m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 Jun) | - | - |
| Afternoon (02 Jun) | 0.5ft (0.1m) | 14s |
| Evening (02 Jun) | 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 ForecastHeavy rain (total 30mm), heaviest during Mon afternoon. Very mild (max 15°C on Tue afternoon, min 11°C on Tue night). Winds increasing (calm on Tue morning, strong winds from the SW by Wed afternoon). | ||||||||||||||||||||||||
Mon 1 | Tuesday 2 | Wednesday 3 | Thu 4 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | W 13 | SW 6 | SW 6 | SW 6 | SW 8 | SW 9 | WSW 8 | WSW 8 | SW 8 | WSW 8 | SW 6 | SW 8 | SW 8 | SW 8 | SW 8 | SW 9 | SW 10 | WSW 5 | WSW 12 | |
8 | 8 | 8 | 8 | 7 | 7 | 44 | 46 | 41 | 78 | 91 | 113 | 44 | 86 | 23 | 293 | 567 | 774 | 754 | 452 | 363 | 442 | 149 | 612 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | cross-on | cross | cross-off | cross-on | cross | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross | |
High Tide | 10:13PM3.51m | 10:33AM3.28m | 10:49PM3.47m | 11:08AM3.17m | 11:24PM3.40m | 11:44AM3.03m | ||||||||||||||||||
Low Tide | 4:55PM0.65m | 5:19AM0.54m | 5:30PM0.70m | 5:58AM0.60m | 6:07PM0.76m | 6:38AM0.68m | ||||||||||||||||||
 |  |  |  |  |  | | |  | | |  | |  | |  | | |  | | | | | | |
 | — | — | — | — | 4:56 | — | — | — | — | — | — | — | 4:56 | — | — | — | — | — | — | — | 4:56 | — | — | — |
 | — | 9:31 | — | — | — | — | — | — | — | 9:32 | — | — | — | — | — | — | — | 9:35 | — | — | — | — | — | 9:36 |
8 | 1 | 1 | — | — | — | 1 | — | — | — | 1 | — | — | — | 7 | 2 | 1 | 1 | 2 | 2 | 1 | — | 1 | 1 | |
Temp °C | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 14 | 15 | 14 | 13 | 11 | 12 | 12 | 14 | 14 | 13 | 12 | 12 | 12 | 12 | 12 | 13 |
11 | 12 | 10 | 10 | 11 | 10 | 11 | 10 | 12 | 13 | 11 | 10 | 8 | 8 | 7 | 8 | 7 | 6 | 5 | 7 | 8 | 8 | 8 | 8 | |
Swell 1 Height (m) Direction Period (s) | SW 11 | SW 10 | W 10 | SW 14 | SW 14 | W 13 | SW 6 | SW 6 | WNW 3 | WNW 4 | SW 9 | — | WSW 8 | WNW 4 | WSW 8 | — | — | — | — | — | — | — | — | — |
 kJ | 4 | 4 | 2 | 8 | 7 | 3 | 44 | 46 | 1 | 1 | 91 | — | 44 | 3 | 23 | — | — | — | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | W 10 | SW 14 | SW 13 | W 13 | W 13 | — | — | — | — | NW 4 | — | NW 4 | — | — | — | — | — | — | — | — | — |
| kJ | 8 | 8 | 8 | 2 | 7 | 7 | 3 | 3 | — | — | — | — | 4 | — | 1 | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 5 | — | WSW 6 | SW 6 | SW 8 | NW 3 | WSW 8 | SW 4 | SW 8 | SSW 4 | SW 6 | SW 8 | SW 8 | SW 8 | SW 8 | SW 9 | SW 10 | WSW 5 | WSW 12 |
| kJ | 108 | 108 | 96 | 84 | 58 | 38 | — | 45 | 41 | 78 | 3 | 113 | 16 | 86 | 44 | 293 | 567 | 774 | 754 | 452 | 363 | 442 | 149 | 612 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 283 | 64 | 276 | 272 | 121 | 215 | 23 | 20 | 20 | 20 | 20 | 20 | 80 | 80 | 283 | 283 | 283 | 268 | 343 | 343 | 343 | 108 | 108 | 108 |
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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