Surf Forecasts:
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Sep) | 0.5ft (0.1m) | 8s |
| Afternoon (10 Sep) | 6ft (1.9m) | 7s |
| Evening (10 Sep) | 4.5ft (1.4m) | 7s |
Table - waves today at Trefor. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 10mm), heaviest on Thu afternoon. Very mild (max 17°C on Thu afternoon, min 13°C on Fri night). Winds decreasing (strong winds from the S on Thu morning, light winds from the WNW by Fri afternoon). | |||||||||||||||||||||||
Thursday 10 | Friday 11 | Saturday 12 | |||||||||||||||||||||
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) | SW 4 | SW 8 | SSW 5 | SW 6 | SW 7 | SW 7 | SW 7 | SW 7 | WSW 6 | SW 6 | SW 6 | SW 7 | SW 7 | SW 6 | SW 6 | NW 4 | SW 5 | SW 6 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 0 | 2 | 0 | 237 | 357 | 247 | 158 | 106 | 71 | 49 | 34 | 27 | 21 | 14 | 14 | 1 | 0 | 0 | 267 | 275 | 275 | 233 | 220 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | cross-off | cross-off | cross-off | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 8:42AM3.49m | 8:56PM4.01m | 9:21AM3.66m | 9:35PM4.15m | 9:58AM3.76m | ||||||||||||||||||
Low Tide | 3:37PM0.12m | 4:06AM-0.25m | 4:17PM-0.01m | 4:45AM-0.27m | 4:55PM-0.03m | ||||||||||||||||||
 |  | | |  | |  |  | |  | | | |  |  | | |  | | | | | | |
 | 6:41 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:45 | — | — | — | — | — | — | — | 7:44 | — | — | — | — | — | — | — | 7:40 | — |
mm | — | — | — | — | 2 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | — | — | 1 |
Temp °C | 13 | 14 | 15 | 16 | 16 | 17 | 17 | 16 | 15 | 14 | 14 | 14 | 14 | 14 | 13 | 14 | 15 | 16 | 16 | 16 | 17 | 17 | 17 |
Feels °C | 8 | 9 | 9 | 9 | 12 | 14 | 14 | 14 | 14 | 12 | 11 | 12 | 13 | 12 | 10 | 11 | 10 | 11 | 11 | 12 | 15 | 15 | 17 |
Swell 1 Height (m) Direction Period (s) | — | SW 8 | — | — | — | — | — | — | WSW 6 | SW 6 | SW 6 | SW 7 | SW 7 | SW 6 | SW 6 | NW 4 | — | — | — | — | — | — | SW 7 |
| kJ | — | 2 | — | — | — | — | — | — | 71 | 49 | 34 | 27 | 21 | 14 | 14 | 1 | — | — | — | — | — | — | 158 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | NNW 4 | NW 4 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 4 | SSW 5 | SSW 5 | SW 6 | SW 7 | SW 7 | SW 7 | SW 7 | — | WNW 4 | NW 4 | NW 4 | WNW 4 | — | SSW 2 | SW 4 | SW 5 | SW 6 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 |
| kJ | 16 | 44 | 105 | 237 | 357 | 247 | 158 | 106 | — | 6 | 8 | 9 | 3 | — | 1 | 29 | 103 | 187 | 267 | 275 | 275 | 233 | 220 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 268 | 248 | 307 | 307 | 446 | 481 | 20 | 223 | 20 | 39 | 147 | 149 | 20 | 158 | 162 | 269 | 269 | 276 | 290 | 318 | 121 | 270 | 269 |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
Header Global | |||||||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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