Surf Forecasts:
How big are the waves at Trefor today (11 Aug):
- Morning surf: Morning surf (11 Aug, local time) - 0.5ft (0.1m), 6s period with SW swell.
- Afternoon surf: Afternoon surf (11 Aug, local time) - 0.5ft (0.1m), 6s period with SW swell.
- Evening surf: Evening surf (11 Aug, local time) - 0.5ft (0.1m), 6s period with SW swell.
The current surf forecast for Trefor at 6AM is: 0.1m 6s primary swell from a Southwest direction (forecast issued at 12:00am August 11). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Aug) | 0.5ft (0.1m) | 6s |
| Afternoon (11 Aug) | 0.5ft (0.1m) | 6s |
| Evening (11 Aug) | 0.5ft (0.1m) | 6s |
Table - waves today at Trefor. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 25°C on Wed afternoon, min 15°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 11 | Wednesday 12 | Thursday 13 | ||||||||||||||||||||||
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) | 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 | W 11 | WSW 9 | WSW 8 | WSW 8 | WSW 8 | WSW 7 | WSW 7 | W 10 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 4 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 3 | 2 | 2 | 4 | 2 | 2 | 4 | 3 | 3 | 8 | 7 | 6 | 6 | 5 | 5 | 2 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | off | cross-off | cross | glassy | glassy | cross-off | off | off | off | cross-off | cross-on | on | glassy | off | off | off | cross-off | cross-off | cross-off | cross-off | off |
High Tide | 8:03AM3.33m | 8:24PM3.72m | 8:53AM3.52m | 9:11PM4.00m | 9:39AM3.65m | 9:56PM4.18m | ||||||||||||||||||
Low Tide | 2:50AM0.34m | 3:10PM0.39m | 3:41AM0.00m | 3:56PM0.15m | 4:27AM-0.23m | 4:39PM0.01m | ||||||||||||||||||
 | |  |  | | | |  | |  | |  | | | | | | | | | | | | | |
 | — | 5:50 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:52 | — | — | — | — | — | — | — | 8:51 | — | — | — | — | — | — | — | 8:49 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 16 | 16 | 19 | 22 | 22 | 22 | 21 | 20 | 20 | 19 | 21 | 24 | 25 | 23 | 23 | 21 | 19 | 19 | 20 | 22 | 23 | 21 | 18 |
Feels °C | 13 | 15 | 14 | 17 | 19 | 20 | 22 | 21 | 19 | 19 | 17 | 18 | 22 | 23 | 22 | 23 | 20 | 18 | 18 | 20 | 22 | 23 | 21 | 17 |
Swell 1 Height (m) Direction Period (s) | WSW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | — | — | W 11 | SW 10 | SSW 3 | — | SW 10 | SW 9 | SW 9 | WSW 9 | WSW 8 | WSW 8 | WSW 8 | WSW 7 | WSW 7 | W 10 |
| kJ | 4 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | — | — | 2 | 4 | 1 | — | 4 | 3 | 3 | 8 | 7 | 6 | 6 | 5 | 5 | 2 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 5 | SW 5 | — | — | — | — | SW 10 | — |
| kJ | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | — | — | — | — | 4 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | W 11 | W 11 | — | — | W 10 | W 10 | — | — | W 11 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 3 | 2 | — | — | 2 | 2 | — | — | 2 | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | S 3 | — | — | — | — | — | — | — | SSW 3 | SW 3 | SW 3 | SW 3 | SW 5 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | 1 | 1 | 1 | 6 | 25 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 277 | 287 | 287 | 287 | 287 | 333 | 277 | 271 | 136 | 136 | 136 | 136 | 130 | 147 | 160 | 147 | 147 | 147 | 147 | 147 | 294 | 312 | 283 | 160 |
Best forecast wave conditions in Lleyn Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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