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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 Thursday 28 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
13.4° C
(Which is 1.9°C warmer than normal for this time of year)How big are the waves at Trefor today (28 May):
- Morning surf: Morning surf (28 May, local time) - 0.5ft (0.1m), 16s period with W swell.
- Afternoon surf: Afternoon surf (28 May, local time) - 0.5ft (0.1m), 16s period with W swell.
- Evening surf: Evening surf (28 May, local time) - 0.5ft (0.1m), 16s period with SW swell.
The current surf forecast for Trefor at 8PM is: 0.1m 16s primary swell from a Southwest direction (forecast issued at 12:00pm May 28). An open ocean swell of 0.7m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 May) | 0.5ft (0.1m) | 16s |
| Afternoon (28 May) | 0.5ft (0.1m) | 16s |
| Evening (28 May) | 0.5ft (0.1m) | 16s |
Table - waves today at Trefor. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 20°C on Thu morning, min 11°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Thu 28 | Friday 29 | Saturday 30 | Sun 31 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
W 16 | W 16 | W 16 | W 16 | SW 16 | W 16 | W 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 5 | SW 16 | SW 16 | WSW 9 | WSW 10 | WSW 8 | SW 14 | WSW 14 | WSW 12 | SW 5 | SW 12 | |
5 | 5 | 5 | 5 | 10 | 5 | 5 | 9 | 8 | 8 | 8 | 9 | 9 | 37 | 10 | 10 | 10 | 9 | 8 | 7 | 18 | 15 | 0 | 37 | |
Wind (km/h) | ||||||||||||||||||||||||
off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | off | cross-off | cross-off | off | off | off | cross-off | cross-off | |
High Tide | 7:24AM3.23m | 7:50PM3.22m | 8:05AM3.29m | 8:26PM3.35m | 8:44AM3.34m | 9:02PM3.45m | ||||||||||||||||||
Low Tide | 2:31PM0.59m | 2:51AM0.68m | 3:09PM0.59m | 3:30AM0.60m | 3:45PM0.60m | 4:07AM0.54m | ||||||||||||||||||
 |  | | |  | | |  | | | | | | | | | | | | |  | | | | |
 | 5:01 | — | — | — | — | — | 5:01 | — | — | — | — | — | — | — | 5:00 | — | — | — | — | — | — | — | 4:58 | — |
 | — | — | — | 9:27 | — | — | — | — | — | — | — | 9:29 | — | — | — | — | — | — | — | 9:30 | — | — | — | 9:30 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 19 | 20 | 17 | 14 | 14 | 13 | 13 | 12 | 13 | 15 | 15 | 14 | 12 | 12 | 11 | 12 | 13 | 14 | 14 | 14 | 13 | 13 | 13 | 12 |
17 | 19 | 15 | 10 | 10 | 10 | 10 | 9 | 10 | 12 | 12 | 11 | 9 | 9 | 9 | 10 | 10 | 10 | 11 | 11 | 10 | 10 | 11 | 10 | |
Swell 1 Height (m) Direction Period (s) | W 16 | W 16 | W 16 | W 16 | SW 16 | W 16 | W 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 12 | SW 5 | SW 11 | SW 11 | WSW 9 | WSW 10 | WSW 8 | SW 14 | WSW 14 | WSW 12 | — | SW 12 |
 kJ | 5 | 5 | 5 | 5 | 10 | 5 | 5 | 9 | 8 | 8 | 8 | 9 | 5 | 37 | 5 | 4 | 9 | 9 | 7 | 7 | 18 | 15 | — | 37 |
Swell 2 Height (m) Direction Period (s) | W 16 | — | — | — | — | — | — | — | — | — | W 12 | W 12 | SW 15 | SW 11 | SW 16 | SW 16 | SW 16 | SW 14 | SW 14 | SW 8 | SW 8 | SW 8 | — | — |
| kJ | 5 | — | — | — | — | — | — | — | — | — | 3 | 3 | 9 | 5 | 10 | 10 | 10 | 8 | 8 | 2 | 2 | 2 | — | — |
Swell 3 Height (m) Direction Period (s) | W 6 | W 6 | W 6 | — | — | — | — | — | — | — | — | — | W 15 | SW 15 | SW 16 | W 9 | SW 16 | — | SW 14 | — | W 9 | — | — | — |
| kJ | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | 5 | 9 | 10 | 2 | 10 | — | 8 | — | 2 | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 3 | SSW 3 | SSW 3 | SSW 4 | SSW 4 | SSW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | — | SW 5 | SW 5 | SSW 4 | SSW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 5 | SW 5 |
| kJ | 2 | 3 | 4 | 11 | 30 | 39 | 45 | 33 | 28 | 23 | 22 | 28 | 35 | — | 24 | 17 | 12 | 10 | 8 | 14 | 18 | 28 | 42 | 33 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 388 | 319 | 517 | 319 | 319 | 296 | 297 | 319 | 319 | 319 | 276 | 160 | 160 | 147 | 130 | 130 | 176 | 260 | 276 | 162 | 93 | 80 | 80 | 144 |
Best forecast wave conditions in Lleyn Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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