Surf Forecasts:
How big are the waves at Trefor today (28 Aug):
- Morning surf: Morning surf (28 Aug, local time) - 1ft (0.3m), 6s period with SW swell.
- Afternoon surf: Afternoon surf (28 Aug, local time) - 1.5ft (0.4m), 6s period with SW swell.
- Evening surf: Evening surf (28 Aug, local time) - 2ft (0.6m), 6s period with SW swell.
The current surf forecast for Trefor at 8PM is: 0.4m 6s primary swell from a Southwest direction (forecast issued at 12:00pm August 28). An open ocean swell of 0.2m 2s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Aug) | 1ft (0.3m) | 6s |
| Afternoon (28 Aug) | 1.5ft (0.4m) | 6s |
| Evening (28 Aug) | 2ft (0.6m) | 6s |
Table - waves today at Trefor. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 20mm), heaviest during Sun afternoon. Very mild (max 18°C on Fri afternoon, min 14°C on Sun night). Winds increasing (calm on Sat afternoon, fresh winds from the SSE by Sun afternoon). | |||||||||||||||||||||
Fri 28 | Saturday 29 | Sunday 30 | |||||||||||||||||||
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) | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 5 | SW 5 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 8 | SW 9 | SW 9 | SW 9 | SW 8 | SW 8 | SW 8 | WSW 8 | SW 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 6 | 10 | 10 | 10 | 30 | 0 | 0 | 0 | 38 | 29 | 17 | 13 | 69 | 101 | 120 | 81 | 35 | 33 | 23 | 7 | 102 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross | glassy | on | on | cross-on | cross-off | off | off | off | off | cross-off | cross-off |
High Tide | 9:37AM3.38m | 9:49PM3.83m | 10:06AM3.52m | 10:19PM3.95m | 10:37AM3.61m | ||||||||||||||||
Low Tide | 4:24PM0.26m | 4:51AM0.06m | 4:58PM0.19m | 5:25AM0.02m | 5:32PM0.19m | ||||||||||||||||
 | |  |  |  |  | |  | | | | |  |  |  | |  | | | | | |
 | 6:18 | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — |
 | — | — | — | 8:16 | — | — | — | — | — | — | — | 8:14 | — | — | — | — | — | — | — | 8:12 | — |
mm | 1 | 1 | 1 | — | — | — | — | — | 2 | 3 | 1 | 1 | 1 | 1 | — | — | — | 1 | 4 | 1 | 1 |
Temp °C | 16 | 17 | 17 | 18 | 16 | 17 | 16 | 16 | 16 | 16 | 17 | 16 | 15 | 15 | 15 | 15 | 16 | 18 | 15 | 16 | 15 |
Feels °C | 16 | 17 | 17 | 17 | 15 | 15 | 14 | 15 | 16 | 15 | 18 | 15 | 14 | 15 | 14 | 13 | 14 | 14 | 10 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | SW 6 | SW 6 | SW 6 | SW 6 | — | — | — | — | SW 6 | SW 6 | SW 6 | SW 6 | SW 8 | SW 9 | SW 9 | SW 9 | SW 8 | SW 8 | SW 8 | WSW 8 | SW 7 |
| kJ | 6 | 10 | 10 | 10 | — | — | — | — | 38 | 29 | 17 | 13 | 69 | 101 | 120 | 81 | 35 | 33 | 23 | 7 | 102 |
Swell 2 Height (m) Direction Period (s) | SSW 3 | — | — | — | — | — | — | — | — | — | ESE 2 | SW 9 | — | NW 4 | NW 4 | — | — | — | — | — | — |
| kJ | 1 | — | — | — | — | — | — | — | — | — | 1 | 3 | — | 2 | 2 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | SSW 2 | SW 6 | SW 5 | SW 5 | SW 6 | ESE 3 | ESE 2 | — | NNW 3 | NW 4 | NW 4 | WNW 4 | WSW 3 | SSW 3 | SSW 4 | SW 5 | SW 5 | — |
| kJ | — | — | — | 1 | 30 | 39 | 53 | 51 | 1 | 1 | — | 4 | 6 | 4 | 1 | 4 | 5 | 15 | 49 | 69 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 287 | 287 | 296 | 283 | 287 | 287 | 204 | 283 | 25 | 152 | 147 | 158 | 108 | 20 | 269 | 223 | 223 | 303 | 303 | 276 | 80 |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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