Surf Forecasts:
How big are the waves at Trefor today (03 Sep):
- Evening surf: Evening surf (03 Sep, local time) - 5.5ft (1.7m), 6s period with SW swell.
The current surf forecast for Trefor at 10PM is: 1.7m 6s primary swell from a Southwest direction (forecast issued at 06:00pm September 03). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (03 Sep) | - | - |
| Afternoon (03 Sep) | - | - |
| Evening (03 Sep) | 5.5ft (1.7m) | 6s |
Table - waves today at Trefor. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 16mm), heaviest on Thu night. Very mild (max 18°C on Sun morning, min 13°C on Fri night). Winds decreasing (fresh winds from the WSW on Fri morning, light winds from the WSW by Sat morning). | |||||||||||||||||||
Thu 3 | Friday 4 | Saturday 5 | |||||||||||||||||
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 6 | SW 7 | WSW 7 | WSW 5 | WSW 6 | WSW 5 | WSW 5 | WSW 5 | W 5 | W 5 | SW 6 | WNW 5 | NW 4 | SW 13 | SW 13 | SW 13 |
Wave Graph  | |||||||||||||||||||
 kJ | 0 | 200 | 233 | 167 | 140 | 222 | 138 | 154 | 0 | 0 | 94 | 88 | 87 | 32 | 15 | 7 | 7 | 7 | 7 |
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 | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | off |
High Tide | 1:10PM3.28m | 1:38AM3.26m | 2:06PM3.03m | 2:43AM2.93m | 3:22PM2.83m | ||||||||||||||
Low Tide | 8:18PM0.85m | 8:54AM0.99m | 9:27PM1.06m | 10:12AM1.19m | |||||||||||||||
 | |  |  | |  | |  |  | |  |  | | | | | | | | |
 | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:33 | — | — | — | — | — | — |
 | — | 8:02 | — | — | — | — | — | — | — | 8:00 | — | — | — | — | — | — | — | 7:58 | — |
mm | — | — | 1 | 7 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 17 | 16 | 16 | 15 | 15 | 15 | 15 | 17 | 17 | 15 | 14 | 14 | 13 | 14 | 15 | 15 | 14 | 14 |
Feels °C | 13 | 13 | 12 | 15 | 13 | 10 | 9 | 8 | 11 | 11 | 9 | 8 | 9 | 10 | 12 | 12 | 12 | 11 | 11 |
Swell 1 Height (m) Direction Period (s) | — | — | — | SW 14 | SW 14 | — | — | — | — | — | — | — | SW 14 | SW 6 | WNW 5 | NW 4 | NW 4 | NW 4 | SW 13 |
| kJ | — | — | — | 8 | 8 | — | — | — | — | — | — | — | 8 | 31 | 15 | 7 | 3 | 1 | 7 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 8 | 7 | 7 | 7 | 7 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 14 | — | — | W 13 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 7 | — | — | 3 | — |
Wind waves Height (m) Direction Period (s) | SW 6 | SW 6 | SW 6 | SW 6 | SW 7 | WSW 7 | WSW 5 | WSW 6 | WSW 5 | WSW 5 | WSW 5 | W 5 | W 5 | WNW 5 | SW 5 | SW 6 | SW 6 | SW 4 | SW 4 |
| kJ | 119 | 200 | 233 | 167 | 140 | 222 | 138 | 154 | 125 | 102 | 94 | 88 | 87 | 32 | 22 | 24 | 20 | 8 | 12 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 298 | 307 | 285 | 158 | 20 | 144 | 313 | 317 | 517 | 276 | 313 | 149 | 149 | 149 | 20 | 270 | 270 | 207 | 147 |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
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