Surf Forecasts:
How big are the waves at Trefor today (23 Sep):
- Morning surf: Morning surf (23 Sep, local time) - 2.5ft (0.8m), 4s period with WNW swell.
- Afternoon surf: Afternoon surf (23 Sep, local time) - 2ft (0.6m), 5s period with NW swell.
- Evening surf: Evening surf (23 Sep, local time) - 1.5ft (0.4m), 5s period with NNW swell.
The current surf forecast for Trefor at 6AM is: 0.1m 15s primary swell from a Southwest direction and 0.1m 12s secondary swell from a West direction, 0.5m 4s secondary swell from a West direction (forecast issued at 12:00am September 23). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Sep) | 2.5ft (0.8m) | 4s |
| Afternoon (23 Sep) | 2ft (0.6m) | 5s |
| Evening (23 Sep) | 1.5ft (0.4m) | 5s |
Table - waves today at Trefor. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Tue night. Very mild (max 17°C on Tue night, min 11°C on Fri afternoon). Mainly fresh winds. | ||||||||||||||||||||||||
Wednesday 23 | Thursday 24 | Friday 25 | ||||||||||||||||||||||
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) | W 17 | W 16 | W 4 | WNW 4 | NW 4 | NW 5 | NNW 5 | WNW 4 | SW 4 | W 6 | W 6 | W 11 | SSW 4 | SSW 5 | SW 5 | W 11 | SW 5 | W 19 | W 17 | SW 4 | SW 16 | SW 16 | SW 16 | SW 15 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 6 | 5 | 9 | 19 | 16 | 13 | 7 | 1 | 1 | 1 | 1 | 2 | 0 | 0 | 0 | 2 | 0 | 7 | 6 | 10 | 10 | 10 | 10 | 8 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | on | on | on | cross-on | cross-on | cross | cross-off | off | off | off | off | cross-off | cross-off | cross-off | off | cross-off | on | on | on | cross-on | cross-on | cross-on |
High Tide | 7:41AM2.81m | 7:49PM3.19m | 8:10AM3.05m | 8:18PM3.46m | 8:38AM3.29m | 8:47PM3.71m | ||||||||||||||||||
Low Tide | 1:59AM0.90m | 2:07PM0.90m | 2:36AM0.59m | 2:44PM0.63m | 3:10AM0.32m | 3:19PM0.39m | ||||||||||||||||||
 |  | |  |  |  | |  | | | | | | | |  | | | |  | | | | | |
 | — | — | 7:03 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — |
 | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:12 | — | — | — | — | — | — | — | 7:09 | — |
mm | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 17 | 15 | 13 | 14 | 14 | 13 | 12 | 12 | 12 | 12 | 13 | 15 | 17 | 16 | 16 | 15 | 15 | 14 | 14 | 13 | 12 | 11 | 11 |
Feels °C | 16 | 15 | 13 | 8 | 10 | 10 | 11 | 10 | 10 | 9 | 9 | 9 | 10 | 13 | 13 | 14 | 13 | 14 | 13 | 13 | 10 | 8 | 7 | 7 |
Swell 1 Height (m) Direction Period (s) | W 17 | W 16 | SW 15 | SW 15 | SW 4 | WSW 4 | NW 4 | WNW 4 | — | — | W 6 | — | — | — | — | W 11 | — | W 19 | W 17 | SW 4 | SW 4 | SW 4 | SW 4 | SW 15 |
| kJ | 6 | 5 | 9 | 8 | 3 | 1 | 4 | 1 | — | — | 1 | — | — | — | — | 2 | — | 7 | 6 | 6 | 3 | 1 | 1 | 8 |
Swell 2 Height (m) Direction Period (s) | W 12 | W 12 | W 11 | W 8 | W 14 | W 13 | NNW 5 | NNW 4 | — | — | — | — | — | — | — | — | — | — | W 11 | SW 16 | SW 16 | SW 16 | SW 16 | SW 9 |
| kJ | 3 | 3 | 3 | 1 | 4 | 3 | 2 | 2 | — | — | — | — | — | — | — | — | — | — | 2 | 10 | 10 | 10 | 10 | 3 |
Swell 3 Height (m) Direction Period (s) | W 5 | W 12 | W 6 | — | W 8 | — | SW 4 | SW 4 | SW 4 | W 6 | — | W 11 | — | — | — | — | — | — | W 10 | W 10 | W 10 | W 10 | W 9 | SW 4 |
| kJ | 1 | 3 | 1 | — | 1 | — | 1 | 1 | 1 | 1 | — | 2 | — | — | — | — | — | — | 2 | 2 | 2 | 2 | 2 | 1 |
Wind waves Height (m) Direction Period (s) | SW 3 | SW 3 | W 4 | WNW 4 | NW 4 | NW 5 | NNW 5 | — | — | — | SSE 3 | S 4 | SSW 4 | SSW 5 | SW 5 | SW 5 | SW 5 | SW 4 | SW 4 | — | NW 3 | NNW 3 | NNW 3 | NNW 3 |
| kJ | 2 | 4 | 7 | 19 | 16 | 13 | 7 | — | — | — | 1 | 9 | 33 | 33 | 28 | 28 | 22 | 16 | 9 | — | 3 | 4 | 3 | 2 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 149 | 149 | 162 | 149 | 160 | 160 | 136 | 136 | 136 | 147 | 154 | 173 | 203 | 157 | 206 | 207 | 206 | 147 | 130 | 130 | 80 | 144 | 160 | 160 |
Best forecast wave conditions in Lleyn Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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