Surf Forecasts:
How big are the waves at Trearddur Bay (Holy Island) today (29 Aug):
- Afternoon surf: Afternoon surf (29 Aug, local time) - 2ft (0.6m), 6s period with SSW swell.
- Evening surf: Evening surf (29 Aug, local time) - 2.5ft (0.8m), 7s period with SSW swell.
The current surf forecast for Trearddur Bay (Holy Island) at 10PM is: 0.8m 8s primary swell from a South-southwest direction (forecast issued at 06:00pm August 29). An open ocean swell of 0.2m 3s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Aug) | - | - |
| Afternoon (29 Aug) | 2ft (0.6m) | 6s |
| Evening (29 Aug) | 2.5ft (0.8m) | 7s |
Table - waves today at Trearddur Bay (Holy Island). (Swell directed towards the surf break)
Short Range ForecastLight rain (total 6mm), mostly falling on Sat afternoon. Very mild (max 17°C on Sun morning, min 14°C on Mon morning). Winds increasing (light winds from the WSW on Sat night, strong winds from the WNW by Mon morning). | |||||||||||||||||||
Sat 29 | Sunday 30 | Monday 31 | |||||||||||||||||
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 6 | SSW 6 | SSW 8 | SSW 8 | SW 9 | SW 9 | SSW 8 | SSW 8 | SSW 5 | SSW 6 | SSW 7 | SW 8 | SW 7 | WNW 5 | WNW 6 | WNW 5 | NW 5 | SW 8 | SW 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 29 | 34 | 72 | 126 | 152 | 77 | 92 | 105 | 72 | 127 | 120 | 110 | 79 | 140 | 143 | 94 | 51 | 30 | 27 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross | cross | cross | cross-on | on | on |
High Tide | 00:07AM5.72m | 12:28PM5.40m | 00:40AM5.74m | 1:01PM5.41m | |||||||||||||||
Low Tide | 5:55PM0.94m | 6:16AM0.70m | 6:28PM0.87m | 6:50AM0.69m | 7:04PM0.89m | ||||||||||||||
 |  |  |  | |  |  |  | | |  | | |  | | | | | | |
 | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | — | 8:15 | — | — | — | — | — | — | — | 8:13 | — | — | — | — | — | — | — | 8:10 | — |
mm | 2 | — | — | — | — | — | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 16 | 15 | 15 | 15 | 15 | 16 | 17 | 16 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 15 | 16 | 16 |
Feels °C | 14 | 15 | 14 | 14 | 13 | 12 | 12 | 13 | 11 | 12 | 13 | 12 | 9 | 9 | 6 | 7 | 11 | 13 | 13 |
Swell 1 Height (m) Direction Period (s) | SSW 6 | SSW 6 | SSW 8 | SSW 8 | SW 9 | SW 9 | — | — | SW 8 | — | SW 7 | SW 8 | SW 7 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 7 |
| kJ | 29 | 34 | 72 | 126 | 152 | 77 | — | — | 11 | — | 109 | 110 | 79 | 84 | 64 | 51 | 50 | 30 | 27 |
Swell 2 Height (m) Direction Period (s) | — | SSE 3 | NNW 3 | NW 3 | NNW 3 | — | — | — | — | — | — | — | SW 11 | WSW 12 | — | — | — | N 5 | — |
| kJ | — | 1 | 1 | 2 | 1 | — | — | — | — | — | — | — | 5 | 14 | — | — | — | 13 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | WSW 3 | SW 3 | SSW 8 | SSW 8 | SSW 5 | SSW 6 | SSW 7 | — | WNW 4 | WNW 5 | WNW 6 | WNW 5 | NW 5 | W 4 | NW 5 |
| kJ | — | — | — | — | 3 | 4 | 92 | 105 | 72 | 127 | 120 | — | 31 | 140 | 143 | 94 | 51 | 13 | 20 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 179 | 219 | 51 | 51 | 125 | 125 | 286 | 275 | 275 | 280 | 114 | 51 | 390 | 306 | 517 | 376 | 51 | 251 | 195 |
Best forecast wave conditions in Anglesy | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
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