Surf Forecasts:
How big are the waves at Trearddur Bay (Holy Island) today (30 Aug):
- Afternoon surf: Afternoon surf (30 Aug, local time) - 3.5ft (1.1m), 5s period with SSW swell.
- Evening surf: Evening surf (30 Aug, local time) - 4ft (1.2m), 7s period with SW swell.
The current surf forecast for Trearddur Bay (Holy Island) at 10PM is: 1.2m 7s primary swell from a Southwest direction (forecast issued at 06:00pm August 30). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Aug) | - | - |
| Afternoon (30 Aug) | 3.5ft (1.1m) | 5s |
| Evening (30 Aug) | 4ft (1.2m) | 7s |
Table - waves today at Trearddur Bay (Holy Island). (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 10mm), heaviest on Sun afternoon. Very mild (max 17°C on Tue afternoon, min 15°C on Sun night). Mainly fresh winds. | |||||||||||||||||||
Sun 30 | Monday 31 | Tuesday 1 | |||||||||||||||||
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 | SSW 5 | SW 7 | SW 7 | SSW 8 | SSW 8 | WNW 5 | WNW 5 | SW 8 | SSW 8 | SW 8 | SSW 7 | WSW 4 | WSW 4 | WSW 4 | SW 4 | SSW 5 | SSW 5 | SW 5 |
Wave Graph  | |||||||||||||||||||
 kJ | 50 | 71 | 151 | 119 | 98 | 76 | 87 | 67 | 50 | 42 | 28 | 21 | 11 | 16 | 18 | 26 | 61 | 94 | 106 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | on | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | on |
High Tide | 00:40AM5.74m | 1:01PM5.41m | 1:15AM5.69m | 1:36PM5.36m | |||||||||||||||
Low Tide | 6:28PM0.87m | 6:50AM0.69m | 7:04PM0.89m | 7:26AM0.78m | 7:42PM1.01m | ||||||||||||||
 | |  |  |  |  | | |  | | | | | |  | | |  |  | |
 | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — |
 | — | 8:13 | — | — | — | — | — | — | — | 8:10 | — | — | — | — | — | — | — | 8:08 | — |
mm | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 |
Temp °C | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 17 | 17 | 17 |
Feels °C | 11 | 12 | 13 | 14 | 11 | 9 | 9 | 9 | 10 | 13 | 13 | 13 | 11 | 11 | 10 | 11 | 12 | 12 | 14 |
Swell 1 Height (m) Direction Period (s) | — | — | SW 7 | SW 7 | SSW 8 | SSW 8 | SW 8 | SW 8 | SW 8 | SSW 8 | SW 8 | SSW 7 | NNW 5 | — | NW 4 | WNW 4 | — | — | — |
| kJ | — | — | 151 | 119 | 98 | 76 | 64 | 64 | 50 | 42 | 28 | 21 | 4 | — | 4 | 3 | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | SW 12 | SW 12 | — | — | N 5 | NNW 5 | NNW 5 | NNW 5 | NNW 5 | — | — | — | — | — | — |
| kJ | — | — | — | — | 5 | 6 | — | — | 8 | 7 | 7 | 7 | 4 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | N 5 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 7 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 5 | SSW 5 | — | — | WNW 3 | WNW 5 | WNW 5 | WNW 5 | WNW 5 | W 4 | W 4 | W 3 | WSW 4 | WSW 4 | WSW 4 | SW 4 | SSW 5 | SSW 5 | SW 5 |
| kJ | 50 | 71 | — | — | 6 | 52 | 87 | 67 | 33 | 12 | 4 | 3 | 11 | 16 | 18 | 26 | 61 | 94 | 106 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 275 | 280 | 114 | 51 | 51 | 462 | 588 | 307 | 174 | 51 | 292 | 51 | 179 | 179 | 290 | 319 | 323 | 285 | 246 |
Best forecast wave conditions in Anglesy | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
Header Global | |||||||||||||||||||
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