Surf Forecasts:
How big are the waves at Trearddur Bay (Holy Island) today (09 Aug):
- Afternoon surf: Afternoon surf (09 Aug, local time) - 2ft (0.6m), 4s period with SSW swell.
- Evening surf: Evening surf (09 Aug, local time) - 1.5ft (0.5m), 4s period with SW swell.
The current surf forecast for Trearddur Bay (Holy Island) at 12AM is: 0.4m 4s primary swell from a Southwest direction and 0.1m 7s secondary swell from a Southwest direction, 0.1m 11s secondary swell from a South direction (forecast issued at 06:00pm August 08). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Aug) | - | - |
| Afternoon (09 Aug) | 2ft (0.6m) | 4s |
| Evening (09 Aug) | 1.5ft (0.5m) | 4s |
Table - waves today at Trearddur Bay (Holy Island). (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 20°C on Tue morning, min 14°C on Sun night). Wind will be generally light. | |||||||||||||||||||
Sat 8 | Sunday 9 | Monday 10 | |||||||||||||||||
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 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 3 | S 12 | SSW 6 | SW 6 | SW 12 | SW 3 | SW 4 | SW 4 | SW 4 | SW 5 | SW 6 | SW 6 | SSW 6 | SSW 6 |
Wave Graph  | |||||||||||||||||||
 kJ | 9 | 7 | 7 | 5 | 4 | 4 | 3 | 5 | 9 | 6 | 6 | 6 | 4 | 5 | 4 | 5 | 5 | 4 | 4 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off |
High Tide | 7:05PM4.57m | 7:47AM4.68m | 8:27PM4.80m | 9:03AM4.91m | 9:30PM5.16m | ||||||||||||||
Low Tide | 1:25AM1.83m | 1:59PM1.77m | 2:41AM1.51m | 3:06PM1.52m | |||||||||||||||
 | |  |  |  | | | |  |  | | | | | | | | | | |
 | — | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — |
 | — | 9:00 | — | — | — | — | — | — | — | 8:59 | — | — | — | — | — | — | — | 8:57 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 17 | 16 | 16 | 16 | 15 | 16 | 16 | 17 | 17 | 16 | 15 | 15 | 14 | 14 | 14 | 15 | 16 | 15 |
Feels °C | 12 | 13 | 13 | 13 | 13 | 13 | 15 | 15 | 15 | 15 | 14 | 13 | 12 | 11 | 11 | 12 | 12 | 13 | 11 |
Swell 1 Height (m) Direction Period (s) | S 11 | SW 8 | SW 7 | SW 7 | SW 7 | SW 6 | SW 6 | SSW 6 | — | — | SW 3 | SW 4 | SW 4 | SW 4 | SW 5 | N 4 | SW 6 | SSW 6 | SSW 6 |
| kJ | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | — | — | 3 | 4 | 4 | 5 | 4 | 5 | 5 | 4 | 4 |
Swell 2 Height (m) Direction Period (s) | — | S 11 | S 11 | S 11 | S 11 | S 11 | S 12 | — | SW 12 | SW 12 | SW 6 | SW 6 | S 10 | S 10 | WNW 3 | SW 6 | W 3 | — | N 4 |
| kJ | — | 2 | 2 | 2 | 2 | 2 | 3 | — | 6 | 6 | 1 | 1 | 2 | 2 | 1 | 5 | 1 | — | 1 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | SW 12 | — | — | SW 12 | SW 12 | — | — | S 8 | WNW 3 | — | SW 7 | — |
| kJ | — | — | — | — | — | — | — | 5 | — | — | 6 | 6 | — | — | 1 | 1 | — | 2 | — |
Wind waves Height (m) Direction Period (s) | SSW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 3 | SW 3 | SSW 3 | SW 6 | SW 3 | — | NNW 3 | NNW 3 | NNW 3 | N 4 | NNW 4 | N 4 | N 4 | — |
| kJ | 9 | 7 | 7 | 5 | 4 | 4 | 2 | 1 | 9 | 2 | — | 3 | 3 | 5 | 5 | 5 | 3 | 3 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 251 | 249 | 246 | 246 | 246 | 246 | 292 | 236 | 251 | 1080 | 278 | 251 | 251 | 251 | 251 | 285 | 285 | 275 | 249 |
Best forecast wave conditions in Anglesy | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
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