Surf Forecasts:
How big are the waves at Trefor today (05 Aug):
- Morning surf: Morning surf (05 Aug, local time) - 3.5ft (1.1m), 5s period with W swell.
- Afternoon surf: Afternoon surf (05 Aug, local time) - 4ft (1.2m), 5s period with WSW swell.
- Evening surf: Evening surf (05 Aug, local time) - 3.5ft (1.0m), 5s period with W swell.
The current surf forecast for Trefor at 1AM is: 0.8m 5s primary swell from a Southwest direction and 0.3m 7s secondary swell from a Southwest direction (forecast issued at 06:00pm August 04). An open ocean swell of 0.7m 5s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 Aug) | 3.5ft (1.1m) | 5s |
| Afternoon (05 Aug) | 4ft (1.2m) | 5s |
| Evening (05 Aug) | 3.5ft (1.0m) | 5s |
Table - waves today at Trefor. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Tue night. Very mild (max 19°C on Tue afternoon, min 13°C on Wed night). Winds decreasing (fresh winds from the W on Wed morning, calm by Thu night). | |||||||||||||||||||
Tue 4 | Wednesday 5 | Thursday 6 | |||||||||||||||||
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 7 | SW 5 | SW 5 | SW 5 | SW 5 | W 5 | W 5 | WSW 5 | WSW 5 | W 5 | W 5 | W 5 | WNW 5 | NW 5 | NW 5 | W 5 | NW 4 | W 12 | SW 5 |
Wave Graph  | |||||||||||||||||||
 kJ | 73 | 0 | 0 | 37 | 18 | 43 | 67 | 109 | 81 | 49 | 46 | 67 | 87 | 67 | 39 | 31 | 4 | 3 | 5 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | off |
High Tide | 1:12AM3.51m | 1:39PM3.12m | 2:02AM3.30m | 2:35PM2.97m | |||||||||||||||
Low Tide | 7:51PM0.73m | 8:26AM0.66m | 8:37PM0.91m | 9:17AM0.87m | 9:37PM1.07m | ||||||||||||||
 |  |  |  | |  | | | |  |  | | | | | | | | | |
 | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:41 | — | — | — | — | — | — |
 | — | 9:07 | — | — | — | — | — | — | — | 9:05 | — | — | — | — | — | — | — | 9:02 | — |
mm | — | — | — | 1 | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — |
Temp °C | 19 | 18 | 17 | 16 | 15 | 14 | 14 | 16 | 16 | 16 | 15 | 14 | 13 | 13 | 13 | 14 | 15 | 15 | 15 |
Feels °C | 17 | 15 | 15 | 14 | 12 | 10 | 8 | 10 | 11 | 11 | 10 | 8 | 8 | 8 | 8 | 10 | 12 | 12 | 12 |
Swell 1 Height (m) Direction Period (s) | — | — | — | SW 5 | SW 5 | — | — | — | — | — | W 13 | W 13 | — | SW 6 | WSW 5 | — | NW 4 | WNW 4 | SW 5 |
| kJ | — | — | — | 37 | 18 | — | — | — | — | — | 3 | 3 | — | 25 | 18 | — | 4 | 1 | 5 |
Swell 2 Height (m) Direction Period (s) | — | — | — | SW 7 | SW 7 | — | — | — | — | — | — | — | — | — | — | — | NNW 5 | NNW 5 | — |
| kJ | — | — | — | 8 | 11 | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 12 | W 12 | W 12 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 3 | 3 |
Wind waves Height (m) Direction Period (s) | SW 7 | SW 5 | SW 5 | SW 5 | WNW 4 | W 5 | W 5 | WSW 5 | WSW 5 | W 5 | W 5 | W 5 | WNW 5 | NW 5 | NW 5 | W 5 | SW 6 | SW 6 | SW 4 |
| kJ | 73 | 43 | 60 | 22 | 8 | 43 | 67 | 109 | 81 | 49 | 46 | 67 | 87 | 67 | 39 | 31 | 16 | 11 | 6 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 287 | 287 | 276 | 121 | 287 | 340 | 517 | 488 | 501 | 517 | 345 | 345 | 313 | 323 | 297 | 297 | 283 | 283 | 283 |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
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