Surf Forecasts:
How big are the waves at Trefor today (15 Aug):
- Afternoon surf: Afternoon surf (15 Aug, local time) - 1.5ft (0.4m), 3s period with NNW swell.
- Evening surf: Evening surf (15 Aug, local time) - 0.5ft (0.1m), 7s period with SW swell.
The current surf forecast for Trefor at 11PM is: 0.1m 7s primary swell from a Southwest direction and 0.2m 3s secondary swell from a North-northeast direction (forecast issued at 06:00pm August 15). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Aug) | - | - |
| Afternoon (15 Aug) | 1.5ft (0.4m) | 3s |
| Evening (15 Aug) | 0.5ft (0.1m) | 7s |
Table - waves today at Trefor. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Mon night. Very mild (max 18°C on Mon night, min 13°C on Sat night). Wind will be generally light. | |||||||||||||||||||
Sat 15 | Sunday 16 | Monday 17 | |||||||||||||||||
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) | NW 3 | NNW 3 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 5 | SW 4 | W 7 | W 7 | SW 3 | W 7 | WSW 3 | SW 5 | SW 5 | SW 5 | SSW 3 |
Wave Graph  | |||||||||||||||||||
 kJ | 5 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 2 | 1 | 2 | 4 | 4 | 4 | 0 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross | cross-off | cross-off | off | off | off | cross-on | cross-on | cross-on | on | cross-off | off |
High Tide | 11:19PM4.15m | 11:41AM3.58m | 11:59PM3.93m | 12:20PM3.42m | |||||||||||||||
Low Tide | 5:58PM0.04m | 6:29AM-0.09m | 6:36PM0.21m | 7:07AM0.19m | 7:14PM0.45m | ||||||||||||||
 | |  | | | | |  |  | | | | | | | | | | | |
 | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | 8:45 | — | — | — | — | — | — | — | 8:43 | — | — | — | — | — | — | — | 8:40 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 16 | 13 | 13 | 14 | 14 | 16 | 16 | 17 | 15 | 15 | 16 | 16 | 16 | 15 | 15 | 15 | 17 | 16 |
Feels °C | 10 | 12 | 10 | 11 | 12 | 13 | 15 | 14 | 15 | 14 | 13 | 15 | 16 | 16 | 15 | 15 | 15 | 15 | 13 |
Swell 1 Height (m) Direction Period (s) | SW 7 | SW 7 | — | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 5 | SW 4 | SW 4 | SW 4 | SW 3 | WSW 3 | WSW 3 | SW 5 | SW 5 | SW 5 | — |
| kJ | 2 | 2 | — | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 2 | 1 | 2 | 4 | 4 | 4 | — |
Swell 2 Height (m) Direction Period (s) | — | — | SW 7 | — | — | — | — | — | — | — | W 7 | W 7 | SW 4 | W 7 | W 6 | — | WNW 3 | WNW 3 | — |
| kJ | — | — | 2 | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | 1 | — | 1 | 1 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | W 7 | W 7 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 3 | NNW 3 | NNE 3 | — | — | — | — | — | — | — | — | SSW 2 | — | — | — | WNW 3 | — | — | SSW 3 |
| kJ | 5 | 2 | 1 | — | — | — | — | — | — | — | — | 1 | — | — | — | 1 | — | — | 5 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 348 | 348 | 285 | 280 | 280 | 280 | 280 | 283 | 283 | 303 | 320 | 215 | 283 | 283 | 283 | 303 | 320 | 320 | 391 |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
Header Global | |||||||||||||||||||
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