Surf Forecasts:
How big are the waves at Trearddur Bay (Holy Island) today (08 Sep):
- Morning surf: Morning surf (08 Sep, local time) - 5ft (1.5m), 5s period with W swell.
- Afternoon surf: Afternoon surf (08 Sep, local time) - 4.5ft (1.4m), 5s period with W swell.
- Evening surf: Evening surf (08 Sep, local time) - 5ft (1.6m), 6s period with NW swell.
The current surf forecast for Trearddur Bay (Holy Island) at 7AM is: 1.5m 5s primary swell from a West-southwest direction and 0.1m 12s secondary swell from a Southwest direction (forecast issued at 12:00am September 08). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 Sep) | 5ft (1.5m) | 5s |
| Afternoon (08 Sep) | 4.5ft (1.4m) | 5s |
| Evening (08 Sep) | 5ft (1.6m) | 6s |
Table - waves today at Trearddur Bay (Holy Island). (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 17mm), heaviest on Thu afternoon. Very mild (max 16°C on Mon night, min 13°C on Mon night). Winds increasing (light winds from the WSW on Wed afternoon, strong winds from the SSW by Thu afternoon). | ||||||||||||||||||||||||
Tuesday 8 | Wednesday 9 | Thursday 10 | ||||||||||||||||||||||
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) | SW 7 | WSW 7 | WSW 5 | W 5 | W 5 | WNW 5 | NW 5 | NW 6 | SW 6 | SW 6 | SW 6 | SW 8 | SW 8 | SW 8 | SW 7 | SW 7 | SW 3 | SW 4 | SSW 4 | SSW 5 | SSW 6 | SSW 6 | SSW 6 | SSW 6 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 306 | 237 | 117 | 119 | 124 | 117 | 76 | 144 | 9 | 6 | 5 | 18 | 14 | 14 | 9 | 9 | 9 | 18 | 35 | 71 | 145 | 270 | 387 | 279 |
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 | cross | cross | cross | cross | cross | cross-on | cross-on | on | on | on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on |
High Tide | 9:02AM4.96m | 9:21PM5.29m | 9:53AM5.26m | 10:08PM5.63m | 10:36AM5.47m | |||||||||||||||||||
Low Tide | 2:38AM1.44m | 3:00PM1.61m | 3:33AM1.02m | 3:50PM1.24m | 4:19AM0.68m | 4:32PM0.95m | ||||||||||||||||||
 |  |  | |  | | |  | | |  | | | | |  | | | | | |  |  |  | |
 | — | 6:39 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:41 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:52 | — | — | — | — | — | — | — | 7:50 | — | — | — | — | — | — | — | 7:46 | — |
mm | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 9 | 2 |
Temp °C | 14 | 14 | 13 | 13 | 14 | 15 | 15 | 14 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 16 | 15 | 15 | 16 |
Feels °C | 8 | 8 | 6 | 6 | 6 | 8 | 8 | 6 | 6 | 5 | 8 | 8 | 10 | 11 | 10 | 11 | 10 | 10 | 10 | 8 | 9 | 8 | 9 | 12 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SW 10 | SW 5 | SW 6 | SW 6 | SW 6 | SW 6 | NNW 6 | NNW 5 | N 5 | NNW 4 | SW 7 | — | — | — | — | — | — | — | — |
| kJ | 6 | 6 | 5 | 5 | 5 | 4 | 18 | 17 | 9 | 6 | 5 | 52 | 28 | 12 | 4 | 9 | — | — | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | SW 11 | SW 11 | SW 11 | SW 10 | SW 10 | SW 8 | SW 8 | SW 8 | SW 7 | N 4 | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 4 | 4 | 4 | 4 | 4 | 15 | 14 | 14 | 9 | 1 | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 4 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 7 | WSW 7 | WSW 5 | W 5 | W 5 | WNW 5 | NW 5 | NW 6 | NW 6 | NNW 6 | NNW 6 | W 4 | W 4 | W 4 | WSW 3 | SW 3 | SW 3 | SW 4 | SSW 4 | SSW 5 | SSW 6 | SSW 6 | SSW 6 | SSW 6 |
| kJ | 306 | 237 | 117 | 119 | 124 | 117 | 76 | 144 | 209 | 196 | 132 | 18 | 11 | 4 | 4 | 5 | 9 | 18 | 35 | 71 | 145 | 270 | 387 | 279 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 280 | 174 | 179 | 179 | 361 | 1085 | 625 | 346 | 323 | 179 | 179 | 179 | 192 | 51 | 246 | 246 | 238 | 280 | 277 | 289 | 280 | 246 | 251 | 101 |
Best forecast wave conditions in Anglesy | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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