Surf Forecasts:
How big are the waves at Trefor today (16 Aug):
- Morning surf: Morning surf (16 Aug, local time) - 0.5ft (0.1m), 7s period with SW swell.
- Afternoon surf: Afternoon surf (16 Aug, local time) - 0.5ft (0.1m), 7s period with SW swell.
- Evening surf: Evening surf (16 Aug, local time) - 0.5ft (0.1m), 7s period with W swell.
The current surf forecast for Trefor at 8AM is: 0.1m 7s primary swell from a Southwest direction (forecast issued at 12:00am August 16). The wind direction is predicted to be glassy.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Aug) | 0.5ft (0.1m) | 7s |
| Afternoon (16 Aug) | 0.5ft (0.1m) | 7s |
| Evening (16 Aug) | 0.5ft (0.1m) | 7s |
Table - waves today at Trefor. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Mon night. Very mild (max 18°C on Mon night, min 12°C on Sat night). Winds increasing (calm on Sun morning, fresh winds from the NW by Mon night). | ||||||||||||||||||||||||
Sunday 16 | Monday 17 | Tuesday 18 | ||||||||||||||||||||||
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 |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 4 | W 7 | W 7 | SW 4 | SW 4 | SW 4 | SW 4 | SW 5 | SW 5 | SSW 3 | SW 4 | SW 5 | SW 5 | SW 6 | W 5 | NW 4 | W 16 | WSW 6 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 3 | 3 | 4 | 3 | 3 | 4 | 0 | 0 | 0 | 23 | 26 | 34 | 7 | 5 | 17 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | glassy | glassy | cross | off | cross-off | off | off | glassy | cross-on | cross-on | cross-on | off | off | cross-off | cross-on | cross-on | cross-on | cross-on | cross | cross-off | glassy |
High Tide | 11:19PM4.15m | 11:41AM3.58m | 11:59PM3.93m | 12:20PM3.42m | 00:39AM3.63m | 1:00PM3.21m | ||||||||||||||||||
Low Tide | 6:29AM-0.09m | 6:36PM0.21m | 7:07AM0.19m | 7:14PM0.45m | 7:43AM0.53m | 7:52PM0.73m | ||||||||||||||||||
 | |  |  | | |  | | | | | | | | | |  | | | | | | | | |
 | — | 5:58 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:43 | — | — | — | — | — | — | — | 8:40 | — | — | — | — | — | — | — | 8:38 | — |
mm | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | 3 | 1 | — | — | — | — | — | — |
Temp °C | 12 | 13 | 13 | 15 | 15 | 16 | 15 | 15 | 15 | 15 | 16 | 15 | 16 | 16 | 17 | 16 | 16 | 18 | 16 | 15 | 16 | 17 | 17 | 16 |
Feels °C | 10 | 12 | 12 | 14 | 14 | 14 | 14 | 13 | 14 | 15 | 17 | 15 | 16 | 15 | 15 | 13 | 14 | 17 | 12 | 11 | 12 | 14 | 14 | 16 |
Swell 1 Height (m) Direction Period (s) | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | — | SW 4 | — | SW 4 | SW 4 | SW 4 | SW 4 | SW 5 | SW 5 | — | — | — | SW 5 | SW 6 | W 16 | NW 4 | NW 4 | — |
| kJ | 2 | 2 | 2 | 2 | 2 | 2 | — | 1 | — | 3 | 3 | 4 | 3 | 3 | 4 | — | — | — | 23 | 26 | 5 | 7 | 3 | — |
Swell 2 Height (m) Direction Period (s) | SW 7 | — | — | — | — | — | SW 4 | W 7 | W 7 | W 7 | W 7 | — | WNW 3 | WNW 3 | — | — | — | — | — | W 16 | W 16 | W 16 | W 16 | — |
| kJ | 2 | — | — | — | — | — | 1 | 1 | 1 | 1 | 1 | — | 1 | 1 | — | — | — | — | — | 5 | 5 | 5 | 5 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | SW 3 | — | — | WNW 3 | NW 3 | — | — | SSW 3 | SW 4 | SW 5 | NW 3 | NW 4 | W 5 | SW 6 | SW 6 | WSW 6 |
| kJ | — | — | — | — | — | — | — | — | 1 | — | — | 1 | 2 | — | — | 6 | 21 | 22 | 4 | 21 | 34 | 27 | 16 | 17 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 280 | 280 | 280 | 280 | 283 | 311 | 303 | 320 | 206 | 283 | 283 | 283 | 303 | 283 | 320 | 394 | 481 | 481 | 149 | 323 | 20 | 382 | 382 | 285 |
Best forecast wave conditions in Lleyn Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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