Surf Forecasts:
How big are the waves at Trearddur Bay (Holy Island) today (05 Sep):
- Morning surf: Morning surf (05 Sep, local time) - 3.5ft (1.0m), 5s period with W swell.
- Afternoon surf: Afternoon surf (05 Sep, local time) - 2ft (0.6m), 6s period with SW swell.
- Evening surf: Evening surf (05 Sep, local time) - 2.5ft (0.8m), 4s period with SW swell.
The current surf forecast for Trearddur Bay (Holy Island) at 7AM is: 1.2m 5s primary swell from a West direction and 0.1m 14s secondary swell from a Southwest direction, 0.1m 14s secondary swell from a Southwest direction (forecast issued at 12:00am September 05). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 Sep) | 3.5ft (1.0m) | 5s |
| Afternoon (05 Sep) | 2ft (0.6m) | 6s |
| Evening (05 Sep) | 2.5ft (0.8m) | 4s |
Table - waves today at Trearddur Bay (Holy Island). (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Sun night. Very mild (max 19°C on Sun afternoon, min 14°C on Fri night). Winds increasing (light winds from the SW on Sat morning, strong winds from the SW by Mon afternoon). | ||||||||||||||||||||||||
Saturday 5 | Sunday 6 | Monday 7 | ||||||||||||||||||||||
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 | 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) | W 5 | WNW 5 | W 5 | W 5 | SW 4 | SW 6 | SW 4 | SW 4 | SSW 4 | SSW 5 | SSW 5 | SSW 5 | SSW 5 | SSW 6 | SW 6 | SSW 6 | SW 6 | SSW 6 | WSW 6 | SW 14 | SW 5 | SW 6 | SW 6 | SW 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 120 | 74 | 74 | 48 | 18 | 26 | 17 | 18 | 37 | 69 | 86 | 85 | 98 | 122 | 176 | 164 | 142 | 57 | 53 | 52 | 138 | 141 | 147 | 240 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | cross-on |
High Tide | 4:41AM4.69m | 5:21PM4.55m | 6:18AM4.51m | 7:01PM4.59m | 7:54AM4.65m | 8:23PM4.91m | ||||||||||||||||||
Low Tide | 10:23PM1.82m | 10:59AM2.01m | 11:50PM1.99m | 12:31PM2.14m | 1:25AM1.84m | 1:57PM1.96m | ||||||||||||||||||
 |  |  |  | | |  | |  | | | | | | | |  | | | | |  | | | |
 | — | 6:33 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:59 | — | — | — | — | — | — | — | 7:57 | — | — | — | — | — | — | — | 7:53 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | 1 | 1 | — |
Temp °C | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 14 | 15 | 18 | 19 | 17 | 17 | 16 | 15 | 15 | 14 | 15 | 16 | 16 | 15 |
Feels °C | 7 | 8 | 9 | 11 | 11 | 10 | 9 | 10 | 9 | 9 | 8 | 9 | 11 | 12 | 12 | 13 | 13 | 10 | 11 | 8 | 9 | 9 | 10 | 8 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 6 | SW 14 | SW 7 | NNW 5 | WNW 4 | N 4 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SSW 6 | SW 15 | SW 14 | — | SW 13 | WSW 13 | SW 12 |
| kJ | 8 | 39 | 8 | 7 | 5 | 3 | 2 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 57 | 8 | 51 | — | 27 | 16 | 23 |
Swell 2 Height (m) Direction Period (s) | — | SW 14 | SW 14 | SW 14 | NW 4 | NNW 5 | SW 13 | — | — | — | — | — | — | — | — | — | — | SW 16 | SW 12 | — | — | — | — | — |
| kJ | — | 8 | 8 | 7 | 3 | 2 | 7 | — | — | — | — | — | — | — | — | — | — | 10 | 6 | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | SW 14 | SW 14 | NNW 4 | SW 13 | — | — | — | — | — | — | — | — | — | — | SW 12 | — | — | — | — | — | — |
| kJ | — | — | — | 7 | 7 | 2 | 7 | — | — | — | — | — | — | — | — | — | — | 6 | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 5 | WNW 5 | W 5 | W 5 | SW 4 | SW 6 | SW 4 | SW 4 | SSW 4 | SSW 5 | SSW 5 | SSW 5 | SSW 5 | SSW 6 | SW 6 | SSW 6 | SW 6 | WNW 4 | WSW 6 | SW 4 | SW 5 | SW 6 | SW 6 | SW 7 |
| kJ | 120 | 74 | 74 | 48 | 18 | 26 | 17 | 18 | 37 | 69 | 86 | 85 | 98 | 122 | 176 | 164 | 142 | 7 | 53 | 52 | 138 | 141 | 147 | 240 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 179 | 179 | 179 | 51 | 236 | 236 | 195 | 186 | 186 | 189 | 189 | 238 | 319 | 446 | 347 | 280 | 219 | 51 | 51 | 315 | 326 | 326 | 326 | 280 |
Best forecast wave conditions in Anglesy | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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