Surf Forecasts:
How big are the waves at Trefor today (30 Aug):
- Afternoon surf: Afternoon surf (30 Aug, local time) - 1.5ft (0.5m), 8s period with SW swell.
- Evening surf: Evening surf (30 Aug, local time) - 3.5ft (1.1m), 7s period with SW swell.
The current surf forecast for Trefor at 9PM is: 1.1m 7s primary swell from a Southwest direction (forecast issued at 06:00pm August 30). An open ocean swell of 1.1m 5s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Aug) | - | - |
| Afternoon (30 Aug) | 1.5ft (0.5m) | 8s |
| Evening (30 Aug) | 3.5ft (1.1m) | 7s |
Table - waves today at Trefor. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 18mm), heaviest on Wed morning. Very mild (max 18°C on Wed morning, min 14°C on Mon night). Mainly fresh winds. | |||||||||||||||||||
Sun 30 | Monday 31 | Tuesday 1 | |||||||||||||||||
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) | SSW 5 | WSW 8 | SW 7 | SW 8 | WSW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | WSW 8 | WSW 7 | SW 8 | WNW 4 | SW 4 | SW 5 | SW 5 | SW 5 |
Wave Graph  | |||||||||||||||||||
 kJ | 0 | 7 | 115 | 99 | 109 | 98 | 80 | 69 | 72 | 57 | 70 | 32 | 36 | 2 | 1 | 0 | 0 | 0 | 0 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | off | cross-off | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 10:51PM3.99m | 11:10AM3.65m | 11:26PM3.95m | 11:46AM3.61m | |||||||||||||||
Low Tide | 5:32PM0.19m | 5:59AM0.07m | 6:08PM0.27m | 6:35AM0.22m | 6:45PM0.41m | ||||||||||||||
 | |  |  | |  |  | | | | |  | | |  | | |  | | |
 | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — |
 | — | 8:12 | — | — | — | — | — | — | — | 8:09 | — | — | — | — | — | — | — | 8:07 | — |
mm | 2 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 |
Temp °C | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 15 | 15 | 15 | 14 | 16 | 16 | 17 | 16 | 16 |
Feels °C | 12 | 13 | 13 | 14 | 12 | 10 | 10 | 10 | 10 | 13 | 12 | 13 | 13 | 11 | 12 | 12 | 13 | 13 | 14 |
Swell 1 Height (m) Direction Period (s) | — | WSW 8 | SW 7 | SW 8 | WSW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | — | NW 4 | — | WNW 4 | — | — | — | — |
| kJ | — | 7 | 115 | 99 | 109 | 98 | 80 | 69 | 72 | 57 | 31 | — | 1 | — | 1 | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | NW 5 | NW 4 | — | WSW 8 | SW 8 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 18 | 4 | — | 6 | 2 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 5 | SW 5 | — | — | WSW 4 | WNW 4 | WNW 5 | WNW 5 | WNW 5 | WNW 4 | SW 8 | WSW 8 | WSW 7 | WSW 4 | SW 4 | SW 4 | SW 5 | SW 5 | SW 5 |
| kJ | 44 | 65 | — | — | 10 | 32 | 69 | 54 | 36 | 13 | 70 | 32 | 36 | 9 | 12 | 31 | 49 | 58 | 65 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 313 | 303 | 303 | 153 | 80 | 20 | 501 | 615 | 517 | 272 | 144 | 20 | 20 | 20 | 223 | 160 | 260 | 319 | 285 |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
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