Surf Forecasts:
How big are the waves at Trearddur Bay (Holy Island) today (12 Oct):
- Morning surf: Morning surf (12 Oct, local time) - 5ft (1.6m), 7s period with SSW swell.
- Afternoon surf: Afternoon surf (12 Oct, local time) - 3.5ft (1.1m), 7s period with SSW swell.
- Evening surf: Evening surf (12 Oct, local time) - 6ft (1.8m), 6s period with SSW swell.
The current surf forecast for Trearddur Bay (Holy Island) at 12AM is: 1.1m 5s primary swell from a South direction (forecast issued at 06:00pm October 11). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Oct) | 5ft (1.6m) | 7s |
| Afternoon (12 Oct) | 3.5ft (1.1m) | 7s |
| Evening (12 Oct) | 6ft (1.8m) | 6s |
Table - waves today at Trearddur Bay (Holy Island). (Swell directed towards the surf break)
Short Range ForecastLight rain (total 9mm), mostly falling on Mon night. Very mild (max 17°C on Mon night, min 13°C on Sun afternoon). Winds increasing (light winds from the W on Mon night, strong winds from the SSW by Wed morning). | |||||||||||||||||||
Sun 11 | Monday 12 | Tuesday 13 | |||||||||||||||||
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 | S 3 | S 4 | S 6 | S 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 5 | SSW 6 | SSW 7 | SW 7 | SW 7 | SW 7 | SW 5 | SW 6 | SW 7 | SW 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 5 | 8 | 32 | 108 | 212 | 284 | 222 | 143 | 115 | 138 | 292 | 510 | 554 | 303 | 246 | 129 | 167 | 127 | 91 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | on | on | cross-on | cross-on | cross-on |
High Tide | 11:38PM5.73m | 11:56AM5.56m | 00:12AM5.60m | 12:28PM5.49m | |||||||||||||||
Low Tide | 5:24PM0.86m | 5:47AM0.78m | 5:59PM0.92m | 6:21AM0.96m | 6:35PM1.07m | ||||||||||||||
 |  |  | | |  |  | |  | | | | |  | | | | |  | |
 | — | — | — | — | — | 7:37 | — | — | — | — | — | — | — | 7:39 | — | — | — | — | — |
 | 6:32 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:28 | — | — |
mm | — | — | — | — | — | 1 | — | — | — | — | — | — | 2 | 6 | — | — | — | — | — |
Temp °C | 13 | 13 | 13 | 14 | 14 | 14 | 15 | 16 | 16 | 15 | 16 | 17 | 16 | 14 | 14 | 14 | 15 | 15 | 14 |
Feels °C | 7 | 8 | 8 | 9 | 9 | 9 | 11 | 12 | 12 | 8 | 9 | 10 | 10 | 11 | 8 | 8 | 9 | 10 | 9 |
Swell 1 Height (m) Direction Period (s) | NNW 4 | N 4 | — | — | SW 14 | SW 14 | WSW 13 | SW 12 | SW 12 | SW 12 | — | — | — | SW 7 | — | — | — | SW 7 | SW 7 |
| kJ | 4 | 1 | — | — | 8 | 8 | 17 | 25 | 23 | 34 | — | — | — | 303 | — | — | — | 127 | 91 |
Swell 2 Height (m) Direction Period (s) | SW 6 | SW 6 | — | — | W 14 | WSW 14 | — | — | — | — | — | — | — | — | — | — | — | SW 10 | SW 10 |
| kJ | 5 | 1 | — | — | 4 | 18 | — | — | — | — | — | — | — | — | — | — | — | 51 | 45 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 3 | S 3 | S 4 | S 6 | S 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 5 | SSW 6 | SSW 7 | SW 7 | — | SW 7 | SW 5 | SW 6 | WNW 4 | WNW 4 |
| kJ | 2 | 8 | 32 | 108 | 212 | 284 | 222 | 143 | 115 | 138 | 292 | 510 | 554 | — | 246 | 129 | 167 | 19 | 22 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 249 | 249 | 280 | 280 | 255 | 101 | 59 | 59 | 275 | 114 | 255 | 281 | 128 | 50 | 283 | 348 | 350 | 174 | 51 |
Best forecast wave conditions in Anglesy | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
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