Surf Forecasts:
How big are the waves at Trefor today (25 Sep):
- Morning surf: Morning surf (25 Sep, local time) - 0.5ft (0.2m), 16s period with WSW swell.
- Afternoon surf: Afternoon surf (25 Sep, local time) - 0.5ft (0.2m), 16s period with WSW swell.
- Evening surf: Evening surf (25 Sep, local time) - 0.5ft (0.1m), 14s period with SW swell.
The current surf forecast for Trefor at 3PM is: 0.2m 16s primary swell from a West-southwest direction and 0.4m 5s secondary swell from a Southwest direction, 0.3m 4s secondary swell from a Northwest direction (forecast issued at 06:00am September 25). The wind direction is predicted to be glassy.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Sep) | 0.5ft (0.2m) | 16s |
| Afternoon (25 Sep) | 0.5ft (0.2m) | 16s |
| Evening (25 Sep) | 0.5ft (0.1m) | 14s |
Table - waves today at Trefor. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 8mm), mostly falling on Sun afternoon. Very mild (max 16°C on Sat morning, min 12°C on Sun night). Winds increasing (calm on Fri afternoon, fresh winds from the S by Sun morning). | |||||||||||||||||||||||
Friday 25 | Saturday 26 | Sunday 27 | |||||||||||||||||||||
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) | W 19 | SW 5 | WSW 16 | WSW 16 | WSW 16 | SW 15 | SW 14 | SW 13 | W 12 | W 12 | SW 5 | W 15 | SW 5 | W 14 | W 14 | W 14 | W 13 | W 13 | SSW 6 | W 13 | SW 6 | SW 6 | SW 6 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 7 | 18 | 25 | 25 | 24 | 9 | 8 | 7 | 3 | 3 | 0 | 4 | 0 | 4 | 4 | 4 | 4 | 3 | 0 | 3 | 135 | 96 | 54 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | on | on | on | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | off | on | on |
High Tide | 8:38AM3.29m | 8:47PM3.71m | 9:06AM3.52m | 9:17PM3.91m | 9:37AM3.71m | 9:50PM4.04m | |||||||||||||||||
Low Tide | 3:19PM0.39m | 3:44AM0.10m | 3:54PM0.21m | 4:18AM-0.03m | 4:29PM0.11m | ||||||||||||||||||
 |  |  | | | |  | | | |  | | | | | |  | | | |  |  |  | |
 | — | 7:07 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — |
 | — | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:05 | — |
mm | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 6 | 1 |
Temp °C | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 15 | 16 | 16 | 15 | 14 | 14 | 13 | 13 | 14 | 15 | 15 | 13 | 13 |
Feels °C | 13 | 11 | 13 | 12 | 13 | 11 | 10 | 10 | 9 | 10 | 11 | 12 | 12 | 12 | 11 | 11 | 9 | 8 | 8 | 9 | 12 | 10 | 11 |
Swell 1 Height (m) Direction Period (s) | W 19 | SW 5 | SW 5 | SW 4 | SW 5 | SW 5 | SW 14 | SW 13 | SW 9 | W 12 | — | SW 8 | — | W 14 | W 14 | W 14 | W 13 | W 13 | — | W 13 | W 13 | SW 6 | SW 6 |
| kJ | 7 | 18 | 13 | 7 | 3 | 4 | 8 | 7 | 3 | 3 | — | 3 | — | 4 | 4 | 4 | 4 | 3 | — | 3 | 3 | 96 | 54 |
Swell 2 Height (m) Direction Period (s) | — | SW 17 | NW 3 | NW 4 | WNW 4 | — | SW 9 | — | W 12 | — | — | W 15 | — | — | — | — | — | — | — | — | — | W 13 | SW 13 |
| kJ | — | 12 | 2 | 2 | 1 | — | 3 | — | 3 | — | — | 4 | — | — | — | — | — | — | — | — | — | 3 | 7 |
Swell 3 Height (m) Direction Period (s) | — | W 11 | WSW 16 | WSW 16 | WSW 16 | SW 15 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 2 | 25 | 25 | 24 | 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 5 | NW 3 | — | — | — | — | SW 5 | SW 3 | WSW 4 | SW 4 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 6 | SSW 6 | SSW 6 | SW 6 | — | NNW 3 |
| kJ | 34 | 1 | — | — | — | — | 4 | 5 | 10 | 19 | 41 | 53 | 55 | 60 | 73 | 72 | 72 | 88 | 108 | 127 | 135 | — | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 149 | 144 | 147 | 144 | 149 | 144 | 144 | 144 | 149 | 149 | 161 | 223 | 276 | 161 | 154 | 154 | 154 | 154 | 154 | 154 | 108 | 147 | 21 |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
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