Surf Forecasts:
How big are the waves at Trefor today (02 Sep):
- Afternoon surf: Afternoon surf (02 Sep, local time) - 0.5ft (0.1m), 16s period with W swell.
- Evening surf: Evening surf (02 Sep, local time) - 5ft (1.6m), 6s period with SW swell.
The current surf forecast for Trefor at 9PM is: 1.6m 6s primary swell from a Southwest direction (forecast issued at 06:00pm September 02). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 Sep) | - | - |
| Afternoon (02 Sep) | 0.5ft (0.1m) | 16s |
| Evening (02 Sep) | 5ft (1.6m) | 6s |
Table - waves today at Trefor. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 17mm), heaviest on Thu night. Very mild (max 18°C on Wed afternoon, min 14°C on Fri morning). Winds decreasing (fresh winds from the WSW on Fri morning, light winds from the WSW by Sat morning). | |||||||||||||||||||
Wed 2 | Thursday 3 | Friday 4 | |||||||||||||||||
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 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 5 | SW 6 | SW 6 | SW 7 | SW 7 | SW 6 | WSW 5 | WSW 5 | WSW 5 | NW 5 | WSW 5 | WSW 5 |
Wave Graph  | |||||||||||||||||||
 kJ | 0 | 167 | 233 | 215 | 168 | 139 | 128 | 0 | 0 | 172 | 237 | 124 | 91 | 57 | 91 | 126 | 8 | 0 | 56 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross-on |
High Tide | 00:47AM3.57m | 1:10PM3.28m | 1:38AM3.26m | 2:06PM3.03m | |||||||||||||||
Low Tide | 7:27PM0.62m | 7:58AM0.72m | 8:18PM0.85m | 8:54AM0.99m | 9:27PM1.06m | ||||||||||||||
 |  |  |  | | |  | | | |  |  | | | | | |  |  | |
 | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — |
 | — | 8:05 | — | — | — | — | — | — | — | 8:02 | — | — | — | — | — | — | — | 8:00 | — |
mm | 1 | — | — | — | — | — | — | — | — | 1 | 8 | 5 | 2 | — | — | — | — | — | — |
Temp °C | 18 | 17 | 17 | 17 | 16 | 16 | 17 | 17 | 17 | 17 | 16 | 15 | 16 | 15 | 14 | 15 | 17 | 17 | 16 |
Feels °C | 16 | 14 | 14 | 14 | 13 | 13 | 14 | 13 | 13 | 13 | 13 | 12 | 13 | 10 | 7 | 8 | 12 | 13 | 11 |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | SW 14 | SW 7 | — | — | SW 14 | — | — | NW 5 | — | SW 14 |
| kJ | — | — | — | — | — | — | — | — | — | 8 | 140 | — | — | 8 | — | — | 8 | — | 8 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | SW 14 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 8 | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 6 | SW 6 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 5 | SW 6 | SW 6 | SW 7 | SW 7 | SW 6 | WSW 5 | WSW 5 | WSW 5 | WSW 5 | WSW 5 | WSW 5 |
| kJ | 138 | 167 | 233 | 215 | 168 | 139 | 128 | 63 | 154 | 172 | 237 | 124 | 91 | 57 | 91 | 126 | 106 | 80 | 56 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 285 | 285 | 311 | 276 | 276 | 276 | 276 | 299 | 575 | 307 | 307 | 276 | 307 | 144 | 315 | 525 | 276 | 276 | 255 |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
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