Surf Forecasts:
How big are the waves at Trearddur Bay (Holy Island) today (16 Aug):
- Evening surf: Evening surf (16 Aug, local time) - 1ft (0.3m), 3s period with SSW swell.
The current surf forecast for Trearddur Bay (Holy Island) at 5AM is: 0.1m 6s primary swell from a Southwest direction (forecast issued at 12:00am August 16). The wind direction is predicted to be glassy.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Aug) | - | - |
| Afternoon (16 Aug) | - | - |
| Evening (16 Aug) | 1ft (0.3m) | 3s |
Table - waves today at Trearddur Bay (Holy Island). (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Mon night. Very mild (max 17°C on Mon night, min 13°C on Sat night). Winds increasing (calm on Sat night, fresh winds from the S by Mon night). | ||||||||||||||||||||||||
Sunday 16 | Monday 17 | Tuesday 18 | ||||||||||||||||||||||
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 | 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 | — | — | — | — | — | SSW 3 | SSW 3 | SW 4 | SW 4 | NW 3 | NW 3 | SW 5 | SW 5 | SSW 4 | SW 4 | SW 4 | SW 5 | WNW 5 | W 5 | W 4 | W 4 | W 4 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 4 | 2 | 2 | 3 | 3 | 4 | 11 | 25 | 29 | 18 | 37 | 41 | 24 | 15 | 14 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | glassy | glassy | on | on | on | cross-on | on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | on | on | on |
High Tide | 1:10AM5.85m | 1:35PM5.37m | 1:49AM5.63m | 2:12PM5.16m | 2:28AM5.33m | 2:51PM4.93m | ||||||||||||||||||
Low Tide | 7:25AM0.53m | 7:34PM0.87m | 8:05AM0.82m | 8:13PM1.14m | 8:44AM1.19m | 8:54PM1.47m | ||||||||||||||||||
 | |  |  | | |  | | | | | | | | | |  | | | | | | | | |
 | — | 5:58 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:45 | — | — | — | — | — | — | — | 8:43 | — | — | — | — | — | — | — | 8:40 | — |
mm | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | 3 | — | — | — | — | — | — | — |
Temp °C | 13 | 13 | 14 | 14 | 14 | 15 | 14 | 15 | 15 | 15 | 16 | 15 | 15 | 15 | 15 | 16 | 17 | 17 | 15 | 15 | 16 | 17 | 17 | 17 |
Feels °C | 11 | 12 | 14 | 13 | 12 | 13 | 11 | 12 | 13 | 14 | 16 | 13 | 13 | 14 | 12 | 10 | 15 | 15 | 10 | 11 | 12 | 14 | 14 | 15 |
Swell 1 Height (m) Direction Period (s) | N 3 | — | — | — | — | — | — | SW 4 | — | SW 4 | SW 4 | SW 4 | SW 4 | SW 5 | NW 3 | — | — | — | SW 5 | SW 5 | — | — | — | — |
| kJ | 1 | — | — | — | — | — | — | 1 | — | 4 | 2 | 2 | 3 | 3 | 2 | — | — | — | 18 | 22 | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | SW 6 | SW 6 | — | — | — | — | — | — | — | — | — | — | NNW 3 | NW 3 | NW 3 | — | — | — | — | — | — | S 16 | NW 4 | S 16 |
| kJ | 1 | 1 | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 2 | — | — | — | — | — | — | 5 | 6 | 5 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 16 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | SSW 3 | SSW 3 | SW 3 | NW 3 | NW 3 | NW 3 | NW 3 | SW 5 | SSW 4 | SW 4 | SW 4 | NW 4 | WNW 5 | W 5 | W 4 | W 4 | W 4 |
| kJ | — | — | — | — | — | — | — | 1 | 4 | 3 | 1 | 2 | 3 | 3 | 4 | 11 | 25 | 29 | 15 | 37 | 41 | 24 | 15 | 14 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 246 | 246 | 246 | 246 | 249 | 285 | 275 | 287 | 210 | 249 | 249 | 249 | 275 | 249 | 287 | 388 | 514 | 514 | 179 | 326 | 51 | 376 | 376 | 251 |
Best forecast wave conditions in Anglesy | ||||||||||||||||||||||||
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