Surf Forecasts:
How big are the waves at Trefor today (15 Nov):
- Morning surf: Morning surf (15 Nov, local time) - 4ft (1.2m), 7s period with SSW swell.
- Afternoon surf: Afternoon surf (15 Nov, local time) - 3ft (0.9m), 8s period with SW swell.
- Evening surf: Evening surf (15 Nov, local time) - 5ft (1.6m), 6s period with NW swell.
The current surf forecast for Trefor at 4PM is: 0.8m 8s primary swell from a Southwest direction and 0.1m 11s secondary swell from a Southwest direction (forecast issued at 11:00am November 15). The wind direction is predicted to be cross-onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Nov) | 4ft (1.2m) | 7s |
| Afternoon (15 Nov) | 3ft (0.9m) | 8s |
| Evening (15 Nov) | 5ft (1.6m) | 6s |
Table - waves today at Trefor. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 38mm), heaviest during Mon night. Very mild (max 12°C on Mon night, min 6°C on Mon afternoon). Winds increasing (light winds from the SW on Sun afternoon, strong winds from the SW by Mon night). | ||||||||||||||||||||||||
Sun 15 | Monday 16 | Tuesday 17 | Wed 18 | |||||||||||||||||||||
9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 12 AM | 3 AM | 6 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SSW 7 | SW 8 | SW 8 | NW 5 | NW 6 | NW 6 | NW 6 | SW 10 | SW 10 | SW 9 | SW 9 | SW 9 | SW 8 | SW 8 | SSW 8 | SW 8 | WSW 9 | WSW 9 | WSW 11 | WSW 11 | WSW 12 | WSW 12 | WSW 11 | WSW 11 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 131 | 128 | 96 | 73 | 202 | 183 | 100 | 79 | 76 | 43 | 41 | 28 | 18 | 11 | 316 | 728 | 1131 | 1274 | 1432 | 1014 | 844 | 718 | 753 | 669 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | cross-off | on | on | on | on | on | on | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross | cross | cross | cross-off | cross | cross |
High Tide | 11:45AM3.05m | 00:10AM2.61m | 12:33PM2.86m | 1:07AM2.43m | 1:37PM2.73m | 2:33AM2.36m | ||||||||||||||||||
Low Tide | 7:05PM1.05m | 7:12AM1.23m | 8:01PM1.15m | 8:09AM1.32m | 9:03PM1.17m | |||||||||||||||||||
 |  | |  |  | | | |  | | | | |  | |  |  | | | | | | | | |
 | 7:39 | — | — | — | — | — | — | 7:41 | — | — | — | — | — | — | — | 7:43 | — | — | — | — | — | — | — | 7:45 |
 | — | — | 4:22 | — | — | — | — | — | — | — | 4:21 | — | — | — | — | — | — | — | 4:20 | — | — | — | — | 4:19 |
mm | 1 | — | 2 | 1 | — | — | — | — | — | — | — | — | 1 | 6 | 7 | 7 | 2 | 1 | 1 | 1 | — | 3 | 3 | 2 |
Temp °C | 8 | 9 | 10 | 9 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 8 | 8 | 12 | 11 | 11 | 10 | 10 | 10 | 9 | 10 | 10 |
Feels °C | 4 | 7 | 8 | -1 | -2 | -2 | -1 | -1 | 2 | 3 | 2 | -1 | -1 | -1 | 3 | 2 | 2 | 2 | 3 | 5 | 4 | 5 | 4 | 4 |
Swell 1 Height (m) Direction Period (s) | SSW 7 | SW 8 | SW 8 | SW 7 | SW 7 | SW 8 | SW 10 | SW 10 | SW 10 | SW 9 | SW 9 | SW 9 | SW 8 | SW 8 | SW 9 | — | — | — | — | — | — | — | — | — |
| kJ | 131 | 128 | 96 | 54 | 27 | 21 | 82 | 79 | 76 | 43 | 41 | 28 | 18 | 11 | 148 | — | — | — | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | WSW 11 | — | SW 11 | — | SW 14 | SW 11 | — | — | — | NW 5 | WNW 4 | NW 4 | NW 4 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 12 | — | 5 | — | 7 | 33 | — | — | — | 7 | 3 | 3 | 1 | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | W 14 | — | — | — | — | W 4 | NNW 5 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 4 | — | — | — | — | 3 | 5 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SE 3 | — | — | NW 5 | NW 6 | NW 6 | NW 6 | NW 5 | NW 5 | — | — | SE 2 | SE 4 | SE 5 | SSW 8 | SW 8 | WSW 9 | WSW 9 | WSW 11 | WSW 11 | WSW 12 | WSW 12 | WSW 11 | WSW 11 |
| kJ | 6 | — | — | 73 | 202 | 183 | 100 | 69 | 39 | — | — | 1 | 12 | 87 | 316 | 728 | 1131 | 1274 | 1432 | 1014 | 844 | 718 | 753 | 669 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 108 | 26 | 20 | 162 | 215 | 206 | 127 | 149 | 136 | 20 | 154 | 283 | 287 | 556 | 26 | 854 | 283 | 268 | 297 | 287 | 280 | 20 | 121 | 283 |
Best forecast wave conditions in Lleyn Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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