Surf Forecasts:
How big are the waves at Trefor today (11 Sep):
- Morning surf: Morning surf (11 Sep, local time) - 2ft (0.6m), 6s period with SW swell.
- Afternoon surf: Afternoon surf (11 Sep, local time) - 1.5ft (0.5m), 6s period with SW swell.
- Evening surf: Evening surf (11 Sep, local time) - 1.5ft (0.4m), 6s period with SW swell.
The current surf forecast for Trefor at 10AM is: 0.6m 6s primary swell from a Southwest direction and 0.5m 4s secondary swell from a Northwest direction (forecast issued at 06:00am September 11). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Sep) | 2ft (0.6m) | 6s |
| Afternoon (11 Sep) | 1.5ft (0.5m) | 6s |
| Evening (11 Sep) | 1.5ft (0.4m) | 6s |
Table - waves today at Trefor. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 10mm), heaviest on Sat morning. Very mild (max 17°C on Sat afternoon, min 13°C on Fri morning). Mainly fresh winds. | |||||||||||||||||||||||
Friday 11 | Saturday 12 | Sunday 13 | |||||||||||||||||||||
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 6 | SW 6 | SW 6 | SW 7 | SW 6 | SW 6 | SW 6 | SW 3 | SW 5 | SW 6 | SW 6 | SW 7 | SW 7 | SW 7 | SW 7 | SW 6 | SW 6 | SW 7 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 66 | 49 | 34 | 27 | 20 | 14 | 14 | 0 | 0 | 0 | 244 | 275 | 299 | 255 | 198 | 120 | 83 | 52 | 34 | 26 | 19 | 14 | 13 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | on | on | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-off | off | off |
High Tide | 9:21AM3.66m | 9:35PM4.15m | 9:58AM3.76m | 10:14PM4.17m | 10:34AM3.78m | ||||||||||||||||||
Low Tide | 4:17PM-0.01m | 4:45AM-0.27m | 4:55PM-0.03m | 5:21AM-0.17m | 5:31PM0.05m | ||||||||||||||||||
 |  |  | |  | | | |  |  |  | | | | | |  |  | | | | | | |
 | 6:43 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:44 | — | — | — | — | — | — | — | 7:40 | — | — | — | — | — | — | — | 7:38 | — |
mm | — | — | — | — | — | — | — | — | — | 1 | 6 | 1 | — | 1 | — | — | — | 1 | — | — | — | — | — |
Temp °C | 15 | 14 | 13 | 14 | 14 | 14 | 13 | 13 | 14 | 15 | 16 | 16 | 17 | 17 | 17 | 16 | 16 | 16 | 15 | 15 | 16 | 15 | 15 |
Feels °C | 14 | 12 | 10 | 12 | 12 | 13 | 10 | 9 | 8 | 10 | 12 | 12 | 14 | 15 | 16 | 16 | 16 | 16 | 14 | 15 | 16 | 14 | 14 |
Swell 1 Height (m) Direction Period (s) | SW 6 | SW 6 | SW 6 | SW 7 | SW 6 | SW 6 | — | — | — | — | — | — | — | — | — | SW 6 | SW 6 | SW 7 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 |
| kJ | 66 | 49 | 34 | 27 | 20 | 14 | — | — | — | — | — | — | — | — | — | 120 | 83 | 52 | 34 | 26 | 19 | 14 | 13 |
Swell 2 Height (m) Direction Period (s) | — | SW 8 | — | — | — | NW 4 | NNW 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 16 | — | — | — | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 4 | NW 4 | NW 4 | NW 4 | NW 4 | — | SW 6 | SW 3 | SW 5 | SW 6 | SW 6 | SW 7 | SW 7 | SW 7 | SW 7 | — | — | — | — | — | — | — | SSW 2 |
| kJ | 3 | 4 | 8 | 9 | 4 | — | 14 | 9 | 59 | 150 | 244 | 275 | 299 | 255 | 198 | — | — | — | — | — | — | — | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 20 | 149 | 149 | 147 | 149 | 158 | 160 | 260 | 252 | 260 | 276 | 348 | 318 | 121 | 121 | 121 | 20 | 20 | 149 | 149 | 269 | 149 | 260 |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
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Recent Eyeball Surf Reports for Wales - Lleyn
‘Porth Neigwl: Choppy waves hadn't tidied much (from what I could see in the dark.’
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