Surf Forecasts:
How big are the waves at Trefor today (16 Sep):
- Morning surf: Morning surf (16 Sep, local time) - 3.5ft (1.1m), 5s period with NW swell.
- Afternoon surf: Afternoon surf (16 Sep, local time) - 2.5ft (0.8m), 5s period with W swell.
- Evening surf: Evening surf (16 Sep, local time) - 0.5ft (0.1m), 4s period with NW swell.
The current surf forecast for Trefor at 2PM is: 0.9m 5s primary swell from a West-northwest direction and 0.4m 5s secondary swell from a Southwest direction, 0.1m 11s secondary swell from a West direction (forecast issued at 06:00am September 16). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Sep) | 3.5ft (1.1m) | 5s |
| Afternoon (16 Sep) | 2.5ft (0.8m) | 5s |
| Evening (16 Sep) | 0.5ft (0.1m) | 4s |
Table - waves today at Trefor. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 16mm), heaviest on Fri afternoon. Very mild (max 16°C on Fri afternoon, min 13°C on Wed night). Mainly fresh winds. | |||||||||||||||||||||||
Wednesday 16 | Thursday 17 | Friday 18 | |||||||||||||||||||||
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) | NW 5 | NW 5 | WNW 5 | WNW 5 | W 5 | NW 4 | SW 5 | SW 5 | WSW 6 | WSW 6 | WSW 5 | W 6 | W 6 | W 6 | W 5 | W 5 | W 5 | W 5 | WSW 5 | NW 5 | SW 7 | SW 7 | SW 7 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 64 | 57 | 50 | 38 | 28 | 1 | 0 | 0 | 190 | 177 | 117 | 139 | 144 | 123 | 112 | 97 | 77 | 64 | 67 | 3 | 360 | 452 | 362 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 12:20PM3.34m | 00:42AM3.21m | 12:57PM3.07m | 1:23AM2.86m | 1:41PM2.78m | ||||||||||||||||||
Low Tide | 6:59AM0.67m | 7:14PM0.73m | 7:32AM0.99m | 7:53PM1.02m | 8:12AM1.28m | 8:45PM1.29m | |||||||||||||||||
 |  |  |  | | |  |  | |  | | | | | | | | | | |  |  |  | |
 | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:31 | — | — | — | — | — | — | — | 7:29 | — | — | — | — | — | — | — | 7:27 | — |
mm | — | — | 1 | — | — | — | — | 1 | 3 | — | — | — | — | — | — | — | — | — | — | — | 7 | 3 | 1 |
Temp °C | 13 | 14 | 14 | 14 | 15 | 15 | 15 | 14 | 15 | 13 | 14 | 14 | 15 | 15 | 14 | 13 | 13 | 13 | 14 | 14 | 14 | 16 | 16 |
Feels °C | 7 | 9 | 9 | 9 | 11 | 10 | 10 | 9 | 10 | 7 | 7 | 7 | 9 | 9 | 8 | 8 | 9 | 9 | 9 | 8 | 8 | 11 | 12 |
Swell 1 Height (m) Direction Period (s) | SW 6 | SW 6 | SW 6 | SW 5 | W 11 | NNW 5 | — | — | — | — | — | — | — | — | — | — | — | — | NW 5 | NW 5 | — | — | — |
| kJ | 16 | 9 | 8 | 7 | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | 16 | 3 | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | SW 11 | SW 11 | W 11 | — | NW 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 5 | 5 | 2 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 5 | NW 5 | WNW 5 | WNW 5 | W 5 | WSW 4 | SW 5 | SW 5 | WSW 6 | WSW 6 | WSW 5 | W 6 | W 6 | W 6 | W 5 | W 5 | W 5 | W 5 | WSW 5 | SW 5 | SW 7 | SW 7 | SW 7 |
| kJ | 64 | 57 | 50 | 38 | 28 | 24 | 49 | 111 | 190 | 177 | 117 | 139 | 144 | 123 | 112 | 97 | 77 | 64 | 67 | 119 | 360 | 452 | 362 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 149 | 149 | 149 | 149 | 285 | 296 | 287 | 296 | 276 | 287 | 299 | 805 | 517 | 517 | 162 | 162 | 162 | 294 | 280 | 481 | 284 | 285 | 382 |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
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