Surf Forecasts:
How big are the waves at Trearddur Bay (Holy Island) today (14 Aug):
- Morning surf: Morning surf (14 Aug, local time) - 1.5ft (0.4m), 4s period with SW swell.
- Afternoon surf: Afternoon surf (14 Aug, local time) - 1ft (0.3m), 4s period with SW swell.
- Evening surf: Evening surf (14 Aug, local time) - 0.5ft (0.2m), 4s period with SSW swell.
The current surf forecast for Trearddur Bay (Holy Island) at 2AM is: 0.6m 4s primary swell from a Southwest direction and 0.1m 8s secondary swell from a Southwest direction, 0.1m 11s secondary swell from a South direction (forecast issued at 06:00pm August 13). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Aug) | 1.5ft (0.4m) | 4s |
| Afternoon (14 Aug) | 1ft (0.3m) | 4s |
| Evening (14 Aug) | 0.5ft (0.2m) | 4s |
Table - waves today at Trearddur Bay (Holy Island). (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Fri morning. Warm (max 22°C on Thu afternoon, min 12°C on Sun morning). Wind will be generally light. | |||||||||||||||||||
Thu 13 | Friday 14 | Saturday 15 | |||||||||||||||||
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 11 | SW 11 | SSW 3 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SSW 4 | W 7 | SW 6 | SW 8 | W 8 | W 8 | SW 6 | SW 6 | SW 6 | SW 6 |
Wave Graph  | |||||||||||||||||||
 kJ | 4 | 4 | 4 | 15 | 16 | 12 | 5 | 5 | 3 | 2 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 2 | 1 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | off |
High Tide | 11:49PM5.94m | 12:16PM5.58m | 00:30AM5.96m | 12:56PM5.52m | |||||||||||||||
Low Tide | 5:32PM0.74m | 6:02AM0.32m | 6:14PM0.67m | 6:44AM0.35m | 6:54PM0.71m | ||||||||||||||
 |  |  |  | | | |  | |  | |  | | | | | | | | |
 | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — |
 | — | 8:51 | — | — | — | — | — | — | — | 8:49 | — | — | — | — | — | — | — | 8:46 | — |
mm | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 22 | 21 | 20 | 19 | 17 | 18 | 18 | 16 | 16 | 17 | 16 | 16 | 16 | 14 | 14 | 14 | 14 | 15 | 15 |
Feels °C | 22 | 21 | 19 | 17 | 15 | 18 | 18 | 14 | 13 | 14 | 14 | 14 | 13 | 9 | 9 | 10 | 12 | 12 | 13 |
Swell 1 Height (m) Direction Period (s) | SW 8 | SW 8 | SW 7 | SW 8 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SSW 4 | SW 4 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 |
| kJ | 2 | 2 | 2 | 2 | 16 | 12 | 5 | 5 | 3 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 |
Swell 2 Height (m) Direction Period (s) | SW 11 | SW 11 | S 11 | S 11 | — | — | — | — | — | — | — | — | SW 8 | W 8 | W 8 | — | — | — | — |
| kJ | 4 | 4 | 2 | 2 | — | — | — | — | — | — | — | — | 2 | 1 | 1 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | S 11 | — | — | — | — | S 11 | — | — | — | — | W 7 | — | — | — | — | — | — | — | — |
| kJ | 2 | — | — | — | — | 2 | — | — | — | — | 1 | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 2 | SSW 2 | SSW 3 | SW 4 | — | — | WNW 3 | NW 3 | NNW 3 | NNW 4 | N 4 | N 4 | N 4 | N 4 | NNW 5 | NNW 5 | NNW 5 | NNW 4 | NNW 4 |
| kJ | 1 | 1 | 4 | 15 | — | — | 2 | 2 | 5 | 5 | 5 | 6 | 3 | 30 | 40 | 32 | 17 | 11 | 7 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 288 | 249 | 193 | 179 | 179 | 192 | 192 | 305 | 548 | 192 | 323 | 312 | 323 | 323 | 586 | 358 | 792 | 323 | 251 |
Best forecast wave conditions in Anglesy | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
Header Global | |||||||||||||||||||
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