Surf Forecasts:
How big are the waves at Trearddur Bay (Holy Island) today (02 Sep):
- Afternoon surf: Afternoon surf (02 Sep, local time) - 4ft (1.2m), 5s period with SW swell.
- Evening surf: Evening surf (02 Sep, local time) - 4.5ft (1.4m), 6s period with SW swell.
The current surf forecast for Trearddur Bay (Holy Island) at 12AM is: 1.1m 6s primary swell from a Southwest direction (forecast issued at 06:00pm September 01). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 Sep) | - | - |
| Afternoon (02 Sep) | 4ft (1.2m) | 5s |
| Evening (02 Sep) | 4.5ft (1.4m) | 6s |
Table - waves today at Trearddur Bay (Holy Island). (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 23mm), heaviest during Wed morning. Very mild (max 19°C on Wed night, min 14°C on Fri morning). Mainly fresh winds. | |||||||||||||||||||
Tue 1 | Wednesday 2 | Thursday 3 | |||||||||||||||||
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 | SW 6 | SW 6 | SW 6 | SSW 5 | SSW 5 | SSW 6 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SSW 5 | SW 6 | SW 6 |
Wave Graph  | |||||||||||||||||||
 kJ | 87 | 123 | 101 | 59 | 47 | 56 | 194 | 373 | 254 | 165 | 150 | 221 | 221 | 147 | 128 | 111 | 83 | 184 | 128 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | cross-on | cross-on | cross-on | on | cross-on | on | on | on | on | on | on | on | on | cross-on |
High Tide | 1:36PM5.36m | 1:53AM5.56m | 2:15PM5.23m | 2:36AM5.34m | 3:01PM5.01m | ||||||||||||||
Low Tide | 7:42PM1.01m | 8:06AM0.98m | 8:25PM1.22m | 8:51AM1.28m | 9:16PM1.51m | ||||||||||||||
 | |  |  |  | |  | |  | |  | | | | | | | | | |
 | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — |
 | — | 8:08 | — | — | — | — | — | — | — | 8:06 | — | — | — | — | — | — | — | 8:04 | — |
mm | — | — | 2 | 1 | — | — | 5 | 3 | — | — | — | — | — | — | — | — | — | 1 | 5 |
Temp °C | 16 | 17 | 17 | 16 | 16 | 15 | 15 | 16 | 17 | 17 | 19 | 17 | 18 | 17 | 17 | 17 | 17 | 17 | 15 |
Feels °C | 10 | 11 | 14 | 14 | 12 | 11 | 10 | 11 | 13 | 14 | 16 | 13 | 14 | 13 | 13 | 13 | 12 | 12 | 14 |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | — | — | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | — | SW 6 | SW 14 |
| kJ | — | — | — | — | — | — | — | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | — | 116 | 8 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 14 | SW 14 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 8 | 8 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 5 | SW 6 | SW 6 | SW 6 | SSW 5 | SSW 5 | SSW 6 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SSW 5 | SW 6 | SW 6 |
| kJ | 87 | 123 | 101 | 59 | 47 | 56 | 194 | 373 | 254 | 165 | 150 | 221 | 221 | 147 | 128 | 111 | 83 | 184 | 128 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 292 | 250 | 246 | 246 | 246 | 246 | 249 | 249 | 252 | 251 | 278 | 299 | 280 | 101 | 288 | 285 | 517 | 312 | 280 |
Best forecast wave conditions in Anglesy | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
Header Global | |||||||||||||||||||
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