Surf Forecasts:
How big are the waves at Trefor today (20 Jun):
- Morning surf: Morning surf (20 Jun, local time) - 2.5ft (0.8m), 7s period with SW swell.
- Afternoon surf: Afternoon surf (20 Jun, local time) - 2ft (0.6m), 7s period with SW swell.
- Evening surf: Evening surf (20 Jun, local time) - 1.5ft (0.4m), 7s period with SW swell.
The current surf forecast for Trefor at 12PM is: 0.6m 7s primary swell from a Southwest direction and 0.2m 3s secondary swell from a West-northwest direction (forecast issued at 06:00am June 20). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Jun) | 2.5ft (0.8m) | 7s |
| Afternoon (20 Jun) | 2ft (0.6m) | 7s |
| Evening (20 Jun) | 1.5ft (0.4m) | 7s |
Table - waves today at Trefor. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 3mm), mostly falling on Mon night. Warm (max 24°C on Mon afternoon, min 14°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 20 | Sunday 21 | Monday 22 | Tue 23 | |||||||||||||||||||||
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 |  |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | WSW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 6 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 100 | 73 | 51 | 33 | 33 | 19 | 18 | 18 | 13 | 12 | 7 | 7 | 7 | 7 | 7 | 7 | 4 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | glassy | glassy | cross-on | on | glassy | cross-on | cross | cross-off | glassy | glassy | glassy | on | cross-on | cross-on | cross | glassy | cross-off | glassy | glassy | cross-on | glassy | on | glassy |
High Tide | 1:27PM3.05m | 1:48AM3.52m | 2:28PM2.86m | 2:49AM3.28m | 3:35PM2.75m | |||||||||||||||||||
Low Tide | 8:15AM0.21m | 8:25PM0.66m | 9:09AM0.43m | 9:18PM0.85m | 10:05AM0.64m | 10:18PM1.01m | ||||||||||||||||||
 |  |  | | |  | | | | | | | | | |  |  | | | | | | |  | |
 | 4:50 | — | — | — | — | — | — | — | 4:50 | — | — | — | — | — | — | — | 4:50 | — | — | — | — | — | — | 4:50 |
 | — | — | — | — | — | 9:46 | — | — | — | — | — | — | — | 9:46 | — | — | — | — | — | — | — | 9:46 | — | 9:46 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
Temp °C | 13 | 13 | 14 | 14 | 15 | 16 | 15 | 15 | 15 | 15 | 17 | 19 | 20 | 19 | 20 | 20 | 19 | 20 | 21 | 22 | 22 | 24 | 23 | 22 |
Feels °C | 11 | 14 | 14 | 13 | 14 | 16 | 14 | 13 | 13 | 13 | 16 | 19 | 19 | 17 | 18 | 19 | 19 | 21 | 23 | 24 | 23 | 27 | 25 | 24 |
Swell 1 Height (m) Direction Period (s) | WSW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | WSW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 6 | SW 6 |
| kJ | 37 | 73 | 51 | 33 | 33 | 19 | 18 | 18 | 13 | 12 | 7 | 7 | 7 | 7 | 7 | 7 | 4 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
Swell 2 Height (m) Direction Period (s) | — | SW 7 | WSW 4 | — | WNW 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 7 | — |
| kJ | — | 27 | 7 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 7 | — | — | WNW 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 100 | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 121 | 20 | 23 | 20 | 160 | 160 | 136 | 136 | 136 | 136 | 136 | 313 | 311 | 283 | 283 | 283 | 283 | 320 | 320 | 320 | 320 | 337 | 339 | 308 |
Best forecast wave conditions in Lleyn Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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