Surf Forecasts:
How big are the waves at Trefor today (19 Sep):
- Afternoon surf: Afternoon surf (19 Sep, local time) - 4.5ft (1.3m), 7s period with WSW swell.
- Evening surf: Evening surf (19 Sep, local time) - 4ft (1.2m), 7s period with WSW swell.
The current surf forecast for Trefor at 10PM is: 1.2m 7s primary swell from a West-southwest direction (forecast issued at 06:00pm September 19). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Sep) | - | - |
| Afternoon (19 Sep) | 4.5ft (1.3m) | 7s |
| Evening (19 Sep) | 4ft (1.2m) | 7s |
Table - waves today at Trefor. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 17°C on Sat afternoon, min 12°C on Sun afternoon). Mainly fresh winds. | |||||||||||||||||||
Sat 19 | Sunday 20 | Monday 21 | |||||||||||||||||
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) | WSW 7 | SW 7 | WSW 7 | WSW 5 | W 5 | WNW 5 | WNW 5 | WSW 6 | SW 6 | SW 6 | SW 6 | SW 6 | WSW 6 | W 13 | W 13 | W 13 | SW 4 | SSW 4 | W 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 173 | 143 | 132 | 80 | 83 | 52 | 44 | 25 | 17 | 12 | 12 | 5 | 3 | 3 | 3 | 3 | 0 | 0 | 1 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-off | off | off | off | off | off | off | off | off | off |
High Tide | 2:49PM2.51m | 4:02AM2.31m | 5:01PM2.45m | 6:07AM2.38m | 6:29PM2.65m | ||||||||||||||
Low Tide | 10:06PM1.48m | 10:44AM1.59m | 11:56PM1.45m | 12:24PM1.46m | |||||||||||||||
 | |  |  | |  | |  | | | | |  | | | | | | | |
 | — | — | — | — | 6:58 | — | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — |
 | — | 7:23 | — | — | — | — | — | — | — | 7:22 | — | — | — | — | — | — | — | 7:20 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 17 | 15 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 13 | 12 | 13 | 14 | 15 | 16 | 16 | 16 |
Feels °C | 13 | 12 | 9 | 8 | 7 | 6 | 8 | 9 | 11 | 10 | 9 | 10 | 9 | 9 | 11 | 13 | 15 | 15 | 15 |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | W 14 | SW 6 | SW 6 | WSW 6 | NW 5 | SW 6 | SW 6 | SW 6 | WSW 6 | — | — | W 13 | — | — | — |
| kJ | — | — | — | — | 4 | 45 | 29 | 24 | 11 | 12 | 12 | 5 | 3 | — | — | 3 | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | W 14 | W 14 | W 14 | SW 6 | NW 4 | NW 4 | NW 4 | — | — | W 13 | — | — | — | W 7 |
| kJ | — | — | — | — | — | 4 | 4 | 4 | 17 | 5 | 2 | 1 | — | — | 3 | — | — | — | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | W 14 | W 14 | W 14 | — | — | W 13 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 4 | 4 | 4 | — | — | 3 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 7 | SW 7 | WSW 7 | WSW 5 | W 5 | WNW 5 | WNW 5 | NW 5 | — | — | — | SW 3 | SSW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SSW 4 | SW 4 |
| kJ | 173 | 143 | 132 | 80 | 83 | 52 | 44 | 25 | — | — | — | 2 | 9 | 16 | 22 | 19 | 15 | 12 | 8 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 525 | 276 | 276 | 260 | 149 | 215 | 158 | 160 | 20 | 136 | 147 | 147 | 147 | 155 | 155 | 222 | 280 | 280 | 271 |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
Header Global | |||||||||||||||||||
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