Surf Forecasts:
How big are the waves at Trearddur Bay (Holy Island) today (20 Jun):
- Morning surf: Morning surf (20 Jun, local time) - 2.5ft (0.8m), 7s period with SSW swell.
- Afternoon surf: Afternoon surf (20 Jun, local time) - 2ft (0.6m), 7s period with SSW swell.
- Evening surf: Evening surf (20 Jun, local time) - 1.5ft (0.5m), 7s period with SW swell.
The current surf forecast for Trearddur Bay (Holy Island) at 9AM is: 0.8m 7s primary swell from a South-southwest direction and 0.2m 3s secondary swell from a West-northwest direction (forecast issued at 12:00am June 20). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Jun) | 2.5ft (0.8m) | 7s |
| Afternoon (20 Jun) | 2ft (0.6m) | 7s |
| Evening (20 Jun) | 1.5ft (0.5m) | 7s |
Table - waves today at Trearddur Bay (Holy Island). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 22°C on Mon afternoon, min 13°C on Fri night). Winds decreasing (fresh winds from the SSW on Fri night, calm by Sat afternoon). | ||||||||||||||||||||||||
Saturday 20 | Sunday 21 | Monday 22 | ||||||||||||||||||||||
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) | SSW 7 | SW 7 | SW 7 | SW 7 | SSW 7 | SSW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SSW 7 | SSW 7 | SSW 7 | SW 7 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 145 | 106 | 67 | 49 | 31 | 32 | 23 | 23 | 12 | 12 | 12 | 12 | 7 | 7 | 7 | 4 | 4 | 4 | 2 | 2 | 2 | 2 | 2 | 2 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | cross-on | cross-on | glassy | glassy | glassy | cross-off | off | off | off | off | off | off | off | off | off | glassy | glassy | glassy | cross-off | cross-off | cross-off |
High Tide | 2:49AM5.46m | 3:27PM4.95m | 3:42AM5.24m | 4:23PM4.73m | 4:39AM4.99m | 5:22PM4.55m | ||||||||||||||||||
Low Tide | 9:11AM0.86m | 9:23PM1.45m | 10:06AM1.12m | 10:20PM1.67m | 11:05AM1.37m | |||||||||||||||||||
 | |  |  | |  | |  |  | | | | | | | | | | | | | | | | |
 | — | 4:50 | — | — | — | — | — | — | — | 4:50 | — | — | — | — | — | — | — | 4:50 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:49 | — | — | — | — | — | — | — | 9:49 | — | — | — | — | — | — | — | 9:50 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 14 | 14 | 13 | 13 | 14 | 15 | 16 | 16 | 16 | 16 | 15 | 16 | 17 | 18 | 18 | 19 | 20 | 20 | 20 | 21 | 21 | 22 | 21 | 21 |
Feels °C | 10 | 12 | 11 | 11 | 12 | 14 | 16 | 15 | 14 | 13 | 12 | 12 | 14 | 15 | 14 | 16 | 18 | 19 | 21 | 22 | 22 | 23 | 22 | 21 |
Swell 1 Height (m) Direction Period (s) | — | SW 7 | SW 7 | SW 7 | SSW 7 | SSW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SSW 7 | SSW 7 | N 3 | N 3 | N 3 | NNW 3 | SW 6 | SW 6 | SW 6 |
| kJ | — | 106 | 67 | 49 | 31 | 32 | 23 | 23 | 12 | 12 | 12 | 12 | 7 | 7 | 7 | 4 | 4 | 2 | 1 | 1 | 1 | 2 | 2 | 2 |
Swell 2 Height (m) Direction Period (s) | — | S 10 | — | WNW 3 | WNW 3 | WNW 3 | — | — | S 10 | S 10 | — | — | — | — | — | — | — | SSW 7 | SW 7 | SW 6 | SW 6 | NE 4 | — | — |
| kJ | — | 2 | — | 1 | 1 | 1 | — | — | 2 | 2 | — | — | — | — | — | — | — | 4 | 2 | 2 | 2 | 1 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | S 10 | SW 10 | S 10 | S 10 | S 10 | — | — | — | — | — | — | — | — | — | — | — | — | NE 4 | — | — | — |
| kJ | — | — | — | 2 | 4 | 2 | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 7 | SW 7 | — | — | — | — | — | — | — | — | — | — | NE 2 | NNE 3 | NNE 3 | NE 3 | NNE 3 | — | — | — | — | — | — | — |
| kJ | 145 | 100 | — | — | — | — | — | — | — | — | — | — | 1 | 3 | 2 | 2 | 2 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 101 | 88 | 10 | 51 | 51 | 192 | 192 | 163 | 163 | 163 | 163 | 163 | 286 | 287 | 286 | 249 | 249 | 249 | 249 | 287 | 287 | 287 | 288 | 288 |
Best forecast wave conditions in Anglesy | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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