Surf Forecasts:
How big are the waves at Trefor today (17 Oct):
- Morning surf: Morning surf (17 Oct, local time) - 1.5ft (0.5m), 5s period with NW swell.
- Afternoon surf: Afternoon surf (17 Oct, local time) - 1ft (0.3m), 4s period with NW swell.
- Evening surf: Evening surf (17 Oct, local time) - 0.5ft (0.1m), 7s period with SW swell.
The current surf forecast for Trefor at 1PM is: 0.1m 7s primary swell from a Southwest direction (forecast issued at 06:00am October 17). An open ocean swell of 0.4m 5s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Oct) | 1.5ft (0.5m) | 5s |
| Afternoon (17 Oct) | 1ft (0.3m) | 4s |
| Evening (17 Oct) | 0.5ft (0.1m) | 7s |
Table - waves today at Trefor. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Mon morning. Very mild (max 13°C on Mon afternoon, min 8°C on Sat night). Wind will be generally light. | |||||||||||||||||||||||
Saturday 17 | Sunday 18 | Monday 19 | |||||||||||||||||||||
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 | 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) | NNW 5 | NNW 5 | NW 5 | W 11 | NW 4 | SW 7 | W 11 | W 11 | W 11 | W 10 | W 6 | W 6 | W 6 | W 8 | W 6 | W 12 | W 12 | NE 2 | W 17 | N 3 | SE 2 | SSE 3 | W 15 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 25 | 17 | 12 | 2 | 3 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 3 | 3 | 1 | 6 | 0 | 0 | 0 | 4 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | glassy | cross-off | cross-off | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 1:06PM2.88m | 1:36AM2.52m | 2:04PM2.63m | 2:58AM2.29m | 3:51PM2.51m | ||||||||||||||||||
Low Tide | 8:23PM1.23m | 8:38AM1.43m | 9:34PM1.37m | 9:54AM1.51m | |||||||||||||||||||
 | |  | | | | | | | | | | | |  | | |  |  | | | | | |
 | — | 7:46 | — | — | — | — | — | — | — | 7:48 | — | — | — | — | — | — | — | 7:50 | — | — | — | — | — |
 | — | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:14 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — |
Temp °C | 11 | 10 | 10 | 12 | 11 | 10 | 10 | 9 | 9 | 8 | 8 | 10 | 11 | 10 | 11 | 10 | 9 | 9 | 10 | 12 | 13 | 12 | 11 |
Feels °C | 7 | 6 | 8 | 9 | 7 | 7 | 8 | 7 | 7 | 6 | 6 | 7 | 7 | 5 | 7 | 6 | 5 | 5 | 8 | 9 | 9 | 9 | 7 |
Swell 1 Height (m) Direction Period (s) | SW 7 | WSW 7 | NW 5 | NW 5 | NW 4 | NNW 4 | NNW 4 | SW 6 | SW 6 | SW 6 | W 6 | W 6 | W 6 | W 6 | W 6 | — | W 7 | W 7 | N 3 | N 3 | — | — | W 11 |
| kJ | 7 | 4 | 12 | 5 | 3 | 2 | 1 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | — | 1 | 1 | 2 | 1 | — | — | 3 |
Swell 2 Height (m) Direction Period (s) | SW 12 | SW 12 | WSW 7 | SW 7 | SW 7 | SW 7 | SW 7 | — | — | W 10 | — | — | — | W 8 | — | W 12 | W 12 | — | W 17 | N 5 | — | — | — |
| kJ | 5 | 5 | 4 | 2 | 2 | 2 | 2 | — | — | 2 | — | — | — | 1 | — | 3 | 3 | — | 6 | 1 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | W 12 | W 11 | W 11 | — | W 11 | W 11 | W 11 | — | — | — | — | — | — | — | — | — | W 7 | — | — | — | W 15 |
| kJ | — | — | 3 | 2 | 2 | — | 2 | 2 | 2 | — | — | — | — | — | — | — | — | — | 1 | — | — | — | 4 |
Wind waves Height (m) Direction Period (s) | NNW 5 | NNW 5 | — | — | — | NNE 2 | — | — | — | — | — | — | — | — | NNE 2 | NNE 2 | NE 2 | NE 2 | NNE 3 | — | SE 2 | SSE 3 | SSE 3 |
| kJ | 25 | 17 | — | — | — | 1 | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | 3 | — | 2 | 3 | 4 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 50 | 147 | 147 | 147 | 136 | 136 | 136 | 136 | 136 | 147 | 147 | 280 | 280 | 280 | 280 | 280 | 245 | 155 | 156 | 203 | 203 | 206 | 154 |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
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