Surf Forecasts:
How big are the waves at Trefor today (04 Aug):
- Morning surf: Morning surf (04 Aug, local time) - 1.5ft (0.4m), 8s period with SW swell.
The current surf forecast for Trefor at 5AM is: 0.4m 8s primary swell from a Southwest direction (forecast issued at 12:00am August 04). An open ocean swell of 0.5m 3s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Aug) | 1.5ft (0.4m) | 8s |
| Afternoon (04 Aug) | - | - |
| Evening (04 Aug) | - | - |
Table - waves today at Trefor. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Mon night. Very mild (max 19°C on Tue morning, min 13°C on Wed night). Winds increasing (light winds from the SE on Mon night, fresh winds from the W by Wed morning). | ||||||||||||||||||||||||
Tuesday 4 | Wednesday 5 | Thursday 6 | ||||||||||||||||||||||
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) | SW 8 | SW 8 | SW 8 | SW 8 | SW 6 | SW 5 | SW 5 | SW 6 | SW 6 | SW 6 | W 5 | W 5 | W 5 | WSW 5 | WSW 5 | W 5 | W 5 | WNW 6 | WNW 6 | W 6 | NW 5 | NW 5 | W 12 | W 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 23 | 17 | 16 | 9 | 0 | 0 | 0 | 0 | 79 | 46 | 67 | 104 | 99 | 66 | 51 | 56 | 86 | 106 | 109 | 88 | 34 | 15 | 3 | 3 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | off |
High Tide | 00:30AM3.67m | 12:53PM3.25m | 1:12AM3.51m | 1:39PM3.12m | 2:02AM3.30m | 2:35PM2.97m | ||||||||||||||||||
Low Tide | 7:44AM0.47m | 7:51PM0.73m | 8:26AM0.66m | 8:37PM0.91m | 9:17AM0.87m | 9:37PM1.07m | ||||||||||||||||||
 | |  | | |  |  |  |  | |  | | | | | |  | | | | | | | | |
 | — | 5:39 | — | — | — | — | — | — | — | 5:39 | — | — | — | — | — | — | — | 5:41 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:07 | — | — | — | — | — | — | — | 9:05 | — | — | — | — | — | — | — | 9:02 | — |
mm | — | — | 1 | 1 | 1 | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 18 | 17 | 17 | 18 | 19 | 19 | 19 | 17 | 16 | 15 | 14 | 14 | 16 | 17 | 17 | 15 | 14 | 13 | 13 | 13 | 14 | 15 | 16 | 15 |
Feels °C | 17 | 16 | 15 | 17 | 17 | 16 | 16 | 15 | 15 | 12 | 8 | 8 | 10 | 12 | 12 | 9 | 8 | 7 | 8 | 9 | 10 | 12 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | SW 8 | SW 8 | SW 8 | SW 8 | — | — | — | — | SW 6 | SW 6 | — | — | — | NW 5 | W 13 | W 13 | W 13 | — | — | — | WSW 6 | NW 5 | WNW 4 | NNW 4 |
| kJ | 23 | 17 | 16 | 9 | — | — | — | — | 79 | 46 | — | — | — | 21 | 3 | 3 | 3 | — | — | — | 20 | 15 | 2 | 2 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 13 | W 13 | — | W 12 | NNW 5 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 3 | — | 3 | 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) | — | S 3 | S 4 | SSW 5 | SW 6 | SW 5 | SW 5 | SW 6 | — | WNW 4 | W 5 | W 5 | W 5 | WSW 5 | WSW 5 | W 5 | W 5 | WNW 6 | WNW 6 | W 6 | NW 5 | SW 5 | SW 6 | SW 5 |
| kJ | — | 3 | 14 | 54 | 69 | 51 | 55 | 86 | — | 13 | 67 | 104 | 99 | 66 | 51 | 56 | 86 | 106 | 109 | 88 | 34 | 14 | 11 | 10 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 130 | 271 | 173 | 297 | 287 | 283 | 283 | 158 | 121 | 287 | 297 | 418 | 418 | 484 | 442 | 317 | 481 | 481 | 215 | 297 | 283 | 20 | 283 | 283 |
Best forecast wave conditions in Lleyn Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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