Surf Forecasts:
How big are the waves at Trefor today (30 Sep):
- Afternoon surf: Afternoon surf (30 Sep, local time) - 7ft (2.1m), 11s period with SW swell.
- Evening surf: Evening surf (30 Sep, local time) - 6ft (1.8m), 11s period with SW swell.
The current surf forecast for Trefor at 10PM is: 1.6m 11s primary swell from a Southwest direction and 1.3m 11s secondary swell from a Southwest direction (forecast issued at 06:00pm September 30). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Sep) | - | - |
| Afternoon (30 Sep) | 7ft (2.1m) | 11s |
| Evening (30 Sep) | 6ft (1.8m) | 11s |
Table - waves today at Trefor. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 16mm), heaviest on Fri night. Very mild (max 16°C on Wed afternoon, min 12°C on Fri night). Winds decreasing (strong winds from the S on Fri morning, light winds from the NW by Sat morning). | |||||||||||||||||||
Wed 30 | Thursday 1 | Friday 2 | |||||||||||||||||
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) | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 10 | SW 5 | WSW 10 | SW 10 | SW 6 | SW 7 | SW 7 | SSW 7 | SW 8 | SW 8 | SW 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 1047 | 897 | 606 | 462 | 505 | 415 | 415 | 361 | 344 | 0 | 38 | 23 | 245 | 373 | 407 | 417 | 531 | 464 | 485 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off |
High Tide | 11:44PM3.81m | 12:04PM3.63m | 00:29AM3.50m | 12:51PM3.38m | |||||||||||||||
Low Tide | 6:27PM0.31m | 6:53AM0.49m | 7:16PM0.53m | 7:43AM0.79m | 8:15PM0.77m | ||||||||||||||
 |  | |  | |  |  | |  | | |  | | | | | | | | |
 | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:18 | — | — | — | — | — |
 | 6:58 | — | — | — | — | — | — | — | 6:55 | — | — | — | — | — | — | — | 6:52 | — | — |
mm | 1 | 1 | 2 | 1 | 1 | — | — | — | — | — | — | — | — | 1 | — | — | 1 | 1 | 1 |
Temp °C | 16 | 15 | 14 | 14 | 13 | 13 | 14 | 15 | 15 | 14 | 14 | 14 | 15 | 15 | 15 | 16 | 16 | 16 | 16 |
Feels °C | 10 | 10 | 11 | 11 | 9 | 8 | 9 | 10 | 10 | 9 | 8 | 8 | 9 | 9 | 8 | 9 | 10 | 11 | 11 |
Swell 1 Height (m) Direction Period (s) | — | — | SW 11 | SW 11 | SW 11 | WSW 11 | — | — | — | — | WSW 10 | SW 10 | WSW 10 | — | — | — | — | — | — |
| kJ | — | — | 368 | 462 | 505 | 238 | — | — | — | — | 38 | 23 | 10 | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 11 | SW 11 | SW 11 | — | — | SW 11 | SW 11 | SW 11 | SW 10 | SW 5 | SW 6 | SW 6 | SW 6 | SW 7 | SW 7 | SSW 7 | SW 8 | SW 8 | SW 7 |
| kJ | 1047 | 897 | 606 | — | — | 415 | 415 | 361 | 344 | 92 | 120 | 159 | 245 | 373 | 407 | 417 | 531 | 464 | 485 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 287 | 276 | 62 | 80 | 80 | 80 | 144 | 276 | 276 | 276 | 80 | 80 | 80 | 80 | 223 | 333 | 285 | 201 | 127 |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
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