Surf Forecasts:
How big are the waves at Trearddur Bay (Holy Island) today (07 Sep):
- Morning surf: Morning surf (07 Sep, local time) - 1ft (0.3m), 14s period with SW swell.
- Afternoon surf: Afternoon surf (07 Sep, local time) - 4ft (1.2m), 5s period with SW swell.
- Evening surf: Evening surf (07 Sep, local time) - 6ft (1.8m), 6s period with SW swell.
The current surf forecast for Trearddur Bay (Holy Island) at 8AM is: 0.8m 6s primary swell from a South-southwest direction and 0.1m 15s secondary swell from a Southwest direction, 0.5m 4s secondary swell from a West-northwest direction (forecast issued at 12:00am September 07). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 Sep) | 1ft (0.3m) | 14s |
| Afternoon (07 Sep) | 4ft (1.2m) | 5s |
| Evening (07 Sep) | 6ft (1.8m) | 6s |
Table - waves today at Trearddur Bay (Holy Island). (Swell directed towards the surf break)
Short Range ForecastLight rain (total 6mm), mostly falling on Mon night. Very mild (max 17°C on Sun night, min 13°C on Mon night). Winds decreasing (strong winds from the WNW on Tue night, light winds from the W by Wed afternoon). | ||||||||||||||||||||||||
Monday 7 | Tuesday 8 | Wednesday 9 | ||||||||||||||||||||||
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 6 | SW 6 | SSW 6 | SW 14 | SW 13 | SW 5 | SW 6 | SW 7 | SW 7 | SW 7 | WSW 5 | WSW 5 | W 5 | W 6 | W 5 | NW 6 | NW 6 | NW 7 | SW 7 | SW 8 | SW 8 | SW 7 | SW 7 | SSW 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 133 | 75 | 39 | 33 | 31 | 91 | 224 | 271 | 357 | 200 | 93 | 105 | 124 | 152 | 126 | 202 | 328 | 370 | 16 | 15 | 14 | 9 | 9 | 5 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-off | cross-off | cross | cross-on | on | cross-on |
High Tide | 7:54AM4.65m | 8:23PM4.91m | 9:02AM4.96m | 9:21PM5.29m | 9:53AM5.26m | |||||||||||||||||||
Low Tide | 1:25AM1.84m | 1:57PM1.96m | 2:38AM1.44m | 3:00PM1.61m | 3:33AM1.02m | 3:50PM1.24m | ||||||||||||||||||
 |  |  |  | | |  | | | |  | | |  | |  | | | | | | | |  | |
 | — | 6:37 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:53 | — | — | — | — | — | — | — | 7:52 | — | — | — | — | — | — | — | 7:50 | — |
mm | — | 1 | — | — | — | — | 1 | 2 | 1 | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 15 | 15 | 15 | 15 | 16 | 16 | 16 | 13 | 13 | 13 | 13 | 14 | 16 | 16 | 14 | 14 | 14 | 14 | 13 | 14 | 14 | 14 | 14 |
Feels °C | 13 | 10 | 11 | 11 | 10 | 10 | 9 | 9 | 9 | 7 | 7 | 5 | 6 | 9 | 8 | 5 | 6 | 6 | 8 | 8 | 10 | 11 | 10 | 9 |
Swell 1 Height (m) Direction Period (s) | — | SW 6 | SSW 6 | SW 14 | NW 4 | — | — | WSW 12 | SW 7 | SW 12 | SW 11 | SW 7 | SW 11 | SW 11 | SW 11 | SW 6 | SW 6 | SW 7 | SW 7 | SW 8 | SW 8 | NNW 6 | N 5 | NNW 5 |
| kJ | — | 75 | 39 | 33 | 4 | — | — | 14 | 255 | 6 | 5 | 41 | 5 | 4 | 5 | 28 | 19 | 11 | 16 | 15 | 14 | 40 | 19 | 8 |
Swell 2 Height (m) Direction Period (s) | SW 17 | SW 16 | SW 15 | — | SW 13 | — | — | — | SW 12 | — | — | SW 11 | — | — | — | S 11 | SW 10 | SW 10 | — | SW 6 | — | SW 7 | SW 7 | SSW 7 |
| kJ | 11 | 10 | 9 | — | 28 | — | — | — | 6 | — | — | 5 | — | — | — | 2 | 4 | 4 | — | 6 | — | 9 | 9 | 5 |
Swell 3 Height (m) Direction Period (s) | — | SW 12 | SW 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NNW 5 | NNW 5 |
| kJ | — | 6 | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 2 |
Wind waves Height (m) Direction Period (s) | SW 6 | WNW 4 | WNW 4 | WSW 4 | SW 4 | SW 5 | SW 6 | SW 7 | SW 7 | SW 7 | WSW 5 | WSW 5 | W 5 | W 6 | W 5 | NW 6 | NW 6 | NW 7 | NNW 6 | NNW 6 | NNW 6 | W 4 | WNW 4 | WSW 3 |
| kJ | 133 | 5 | 8 | 30 | 31 | 91 | 224 | 271 | 357 | 200 | 93 | 105 | 124 | 152 | 126 | 202 | 328 | 370 | 277 | 170 | 104 | 8 | 5 | 2 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 284 | 278 | 51 | 51 | 514 | 326 | 319 | 319 | 219 | 51 | 51 | 195 | 380 | 931 | 548 | 548 | 346 | 179 | 179 | 179 | 251 | 59 | 51 | 192 |
Best forecast wave conditions in Anglesy | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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