Surf Forecasts:
How big are the waves at Trefor today (12 Aug):
- Morning surf: Morning surf (12 Aug, local time) - 0.5ft (0.1m), 11s period with W swell.
- Afternoon surf: Afternoon surf (12 Aug, local time) - 0.5ft (0.1m), 10s period with W swell.
- Evening surf: Evening surf (12 Aug, local time) - 0.5ft (0.1m), 9s period with SW swell.
The current surf forecast for Trefor at 3PM is: 0.1m 10s primary swell from a West direction and 0.2m 3s secondary swell from a South-southwest direction, 0.1m 6s secondary swell from a Southwest direction (forecast issued at 06:00am August 12). The wind direction is predicted to be glassy.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Aug) | 0.5ft (0.1m) | 11s |
| Afternoon (12 Aug) | 0.5ft (0.1m) | 10s |
| Evening (12 Aug) | 0.5ft (0.1m) | 9s |
Table - waves today at Trefor. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Wed afternoon, min 13°C on Fri night). Wind will be generally light. | |||||||||||||||||||||||
Wednesday 12 | Thursday 13 | Friday 14 | |||||||||||||||||||||
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 |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | W 11 | W 11 | SW 10 | W 12 | W 10 | SW 10 | SW 9 | W 11 | WSW 9 | WSW 8 | WSW 8 | WSW 8 | WSW 7 | WSW 10 | WSW 7 | SW 9 | SW 5 | WSW 4 | SW 4 | SW 4 | NW 4 | NW 4 | SW 7 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 2 | 2 | 4 | 3 | 2 | 4 | 3 | 3 | 8 | 7 | 6 | 6 | 5 | 9 | 5 | 3 | 17 | 13 | 7 | 7 | 7 | 4 | 2 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | cross-on | glassy | glassy | off | off | off | cross-off | cross-off | cross-off | cross-off | off | off | off | glassy | cross-on | on | on | on | cross-on |
High Tide | 8:53AM3.52m | 9:11PM4.00m | 9:39AM3.65m | 9:56PM4.18m | 10:21AM3.70m | ||||||||||||||||||
Low Tide | 3:56PM0.15m | 4:27AM-0.23m | 4:39PM0.01m | 5:10AM-0.33m | 5:19PM-0.03m | ||||||||||||||||||
 |  | |  | | |  | | | | | | | |  | | | |  | | | | | |
 | 5:52 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — |
 | — | — | — | — | — | 8:51 | — | — | — | — | — | — | — | 8:49 | — | — | — | — | — | — | — | 8:46 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 20 | 19 | 21 | 25 | 28 | 25 | 25 | 23 | 21 | 20 | 22 | 23 | 23 | 21 | 18 | 18 | 17 | 18 | 17 | 16 | 17 | 18 | 16 |
Feels °C | 18 | 17 | 18 | 23 | 27 | 24 | 24 | 21 | 20 | 19 | 22 | 22 | 23 | 21 | 18 | 18 | 17 | 20 | 17 | 15 | 16 | 16 | 14 |
Swell 1 Height (m) Direction Period (s) | SW 6 | W 11 | SW 10 | W 10 | SSW 3 | — | SW 9 | SW 6 | WSW 9 | WSW 8 | WSW 8 | WSW 8 | WSW 7 | WSW 7 | WSW 7 | SW 8 | SW 5 | WSW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 |
| kJ | 1 | 2 | 4 | 2 | 1 | — | 3 | 1 | 8 | 7 | 6 | 6 | 5 | 5 | 5 | 2 | 17 | 13 | 7 | 7 | 3 | 3 | 1 |
Swell 2 Height (m) Direction Period (s) | W 11 | SW 6 | SW 6 | SW 6 | SW 6 | SW 10 | SW 6 | SW 9 | SW 6 | — | — | — | SW 10 | WSW 10 | W 11 | SW 9 | — | — | — | SW 8 | SW 8 | W 7 | SW 7 |
| kJ | 2 | 1 | 1 | 1 | 1 | 4 | 1 | 3 | 1 | — | — | — | 4 | 9 | 2 | 3 | — | — | — | 2 | 2 | 1 | 2 |
Swell 3 Height (m) Direction Period (s) | W 6 | — | W 6 | W 12 | W 10 | SW 6 | — | W 11 | — | — | — | — | — | — | — | W 6 | — | — | SW 8 | — | — | — | — |
| kJ | 1 | — | 1 | 3 | 2 | 1 | — | 2 | — | — | — | — | — | — | — | 1 | — | — | 2 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | SSW 3 | SSW 3 | SSW 3 | — | — | — | — | SSW 2 | SSW 3 | — | — | — | WSW 2 | SW 4 | SW 4 | WSW 5 | — | WNW 3 | NW 3 | NW 4 | NW 4 | NNW 2 |
| kJ | — | 2 | 2 | 1 | — | — | — | — | 1 | 1 | — | — | — | 1 | 5 | 16 | 19 | — | 1 | 4 | 7 | 4 | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 147 | 147 | 203 | 130 | 136 | 130 | 130 | 130 | 130 | 130 | 149 | 158 | 322 | 283 | 160 | 160 | 160 | 162 | 160 | 389 | 517 | 160 | 160 |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
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