Surf Forecasts:
How big are the waves at Trefor today (10 Aug):
- Morning surf: Morning surf (10 Aug, local time) - 1.5ft (0.4m), 5s period with SW swell.
- Afternoon surf: Afternoon surf (10 Aug, local time) - 1ft (0.3m), 6s period with SW swell.
- Evening surf: Evening surf (10 Aug, local time) - 1ft (0.3m), 6s period with SW swell.
The current surf forecast for Trefor at 1PM is: 0.4m 6s primary swell from a Southwest direction and 0.3m 4s secondary swell from a Northwest direction (forecast issued at 06:00am August 10). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Aug) | 1.5ft (0.4m) | 5s |
| Afternoon (10 Aug) | 1ft (0.3m) | 6s |
| Evening (10 Aug) | 1ft (0.3m) | 6s |
Table - waves today at Trefor. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Wed afternoon, min 14°C on Mon morning). Wind will be generally light. | |||||||||||||||||||||||
Monday 10 | Tuesday 11 | Wednesday 12 | |||||||||||||||||||||
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 4 | SW 5 | SW 5 | SW 6 | SW 6 | SW 6 | SW 6 | WSW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | W 11 | W 11 | W 11 | SW 10 | W 10 | W 10 | SW 10 | SW 9 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 7 | 8 | 7 | 8 | 5 | 5 | 6 | 4 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 3 | 2 | 2 | 4 | 2 | 2 | 4 | 3 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | on | on | cross-on | cross | cross-off | cross-off | off | off | off | cross | glassy | glassy | off | off | off | off | cross-off | cross-on | on | glassy |
High Tide | 7:03AM3.12m | 7:30PM3.39m | 8:03AM3.33m | 8:24PM3.72m | 8:53AM3.52m | 9:11PM4.00m | |||||||||||||||||
Low Tide | 2:17PM0.67m | 2:50AM0.34m | 3:10PM0.39m | 3:41AM0.00m | 3:56PM0.15m | ||||||||||||||||||
 |  | |  | | | |  |  | |  | | | | | | | | | | | | | |
 | 5:48 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — |
 | — | — | — | — | — | 8:54 | — | — | — | — | — | — | — | 8:52 | — | — | — | — | — | — | — | 8:51 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 12 | 14 | 15 | 15 | 17 | 15 | 16 | 16 | 16 | 19 | 22 | 23 | 22 | 21 | 20 | 20 | 19 | 21 | 24 | 26 | 24 | 24 |
Feels °C | 11 | 10 | 12 | 12 | 12 | 14 | 12 | 14 | 14 | 14 | 17 | 19 | 21 | 22 | 21 | 19 | 18 | 16 | 18 | 22 | 24 | 22 | 23 |
Swell 1 Height (m) Direction Period (s) | SW 4 | SW 5 | SW 5 | SW 6 | SW 6 | SW 6 | SW 6 | WSW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | — | — | — | W 11 | SW 10 | SSW 3 | SSW 3 | — | SW 9 |
| kJ | 7 | 8 | 7 | 8 | 5 | 5 | 6 | 4 | 2 | 2 | 2 | 2 | 1 | 1 | — | — | — | 2 | 4 | 1 | 1 | — | 3 |
Swell 2 Height (m) Direction Period (s) | W 12 | W 8 | NNW 3 | — | — | — | — | — | — | — | — | — | — | — | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | W 10 | SW 6 | SW 10 | SW 6 |
| kJ | 3 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 4 | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 11 | W 11 | — | — | SW 6 | W 10 | SW 6 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 2 | — | — | 1 | 2 | 1 | — |
Wind waves Height (m) Direction Period (s) | NNW 3 | NNW 3 | — | NW 4 | NW 3 | NNW 3 | — | — | — | — | — | — | — | — | — | — | — | — | SSW 3 | — | — | — | — |
| kJ | 3 | 2 | — | 2 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 285 | 236 | 285 | 311 | 303 | 303 | 277 | 277 | 287 | 287 | 297 | 329 | 333 | 311 | 271 | 136 | 136 | 136 | 136 | 136 | 152 | 154 | 136 |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
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