Surf Forecasts:
How big are the waves at Trearddur Bay (Holy Island) today (01 Oct):
- Morning surf: Morning surf (01 Oct, local time) - 4.5ft (1.4m), 10s period with SW swell.
- Afternoon surf: Afternoon surf (01 Oct, local time) - 4.5ft (1.4m), 10s period with SW swell.
- Evening surf: Evening surf (01 Oct, local time) - 5ft (1.6m), 6s period with SSW swell.
The current surf forecast for Trearddur Bay (Holy Island) at 1AM is: 1.7m 11s primary swell from a Southwest direction (forecast issued at 06:00pm September 30). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (01 Oct) | 4.5ft (1.4m) | 10s |
| Afternoon (01 Oct) | 4.5ft (1.4m) | 10s |
| Evening (01 Oct) | 5ft (1.6m) | 6s |
Table - waves today at Trearddur Bay (Holy Island). (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 13mm), heaviest on Fri night. Very mild (max 16°C on Wed afternoon, min 11°C on Sat morning). Winds decreasing (strong winds from the S on Fri morning, light winds from the WNW by Sat morning). | |||||||||||||||||||
Wed 30 | Thursday 1 | Friday 2 | |||||||||||||||||
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 7 | SSW 8 | SW 11 | SW 11 | SW 11 | SW 10 | SW 10 | SW 10 | SW 10 | SSW 6 | SSW 6 | SSW 6 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 8 | SSW 8 | SW 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 723 | 616 | 831 | 652 | 639 | 428 | 420 | 412 | 408 | 170 | 191 | 270 | 476 | 638 | 703 | 752 | 874 | 750 | 558 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 1:11PM5.55m | 1:33AM5.61m | 1:53PM5.37m | 2:22AM5.31m | 2:44PM5.11m | ||||||||||||||
Low Tide | 7:21PM0.94m | 7:43AM1.08m | 8:08PM1.20m | 8:32AM1.46m | 9:06PM1.53m | ||||||||||||||
 |  |  |  |  | | | |  | | | |  | |  | |  | |  | |
 | — | — | — | — | — | 7:18 | — | — | — | — | — | — | — | 7:20 | — | — | — | — | — |
 | 6:59 | — | — | — | — | — | — | — | 6:55 | — | — | — | — | — | — | — | 6:53 | — | — |
mm | — | — | 1 | — | — | — | — | — | — | — | — | — | 1 | 2 | 1 | — | — | — | 2 |
Temp °C | 16 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 16 |
Feels °C | 8 | 9 | 10 | 11 | 9 | 9 | 9 | 7 | 8 | 8 | 8 | 8 | 7 | 8 | 6 | 8 | 8 | 8 | 9 |
Swell 1 Height (m) Direction Period (s) | — | — | — | SW 11 | SW 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 652 | 639 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 7 | SSW 8 | SW 11 | — | — | SW 10 | SW 10 | SW 10 | SW 10 | SSW 6 | SSW 6 | SSW 6 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 8 | SSW 8 | SW 7 |
| kJ | 723 | 616 | 831 | — | — | 428 | 420 | 412 | 408 | 170 | 191 | 270 | 476 | 638 | 703 | 752 | 874 | 750 | 558 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 280 | 280 | 96 | 114 | 101 | 101 | 162 | 246 | 252 | 284 | 114 | 114 | 114 | 114 | 255 | 307 | 251 | 234 | 128 |
Best forecast wave conditions in Anglesy | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
Header Global | |||||||||||||||||||
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