Surf Forecasts:
How big are the waves at Trearddur Bay (Holy Island) today (17 Jun):
- Morning surf: Morning surf (17 Jun, local time) - 4ft (1.2m), 5s period with SSW swell.
- Afternoon surf: Afternoon surf (17 Jun, local time) - 3.5ft (1.0m), 5s period with SSW swell.
- Evening surf: Evening surf (17 Jun, local time) - 4.5ft (1.3m), 6s period with SSW swell.
The current surf forecast for Trearddur Bay (Holy Island) at 6AM is: 1.2m 5s primary swell from a South-southwest direction and 0.1m 12s secondary swell from a Southwest direction (forecast issued at 12:00am June 17). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Jun) | 4ft (1.2m) | 5s |
| Afternoon (17 Jun) | 3.5ft (1.0m) | 5s |
| Evening (17 Jun) | 4.5ft (1.3m) | 6s |
Table - waves today at Trearddur Bay (Holy Island). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 6mm), mostly falling on Thu morning. Very mild (max 17°C on Fri morning, min 13°C on Tue night). Mainly strong winds. | ||||||||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | ||||||||||||||||||||||
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 5 | SSW 5 | SW 5 | SSW 5 | SSW 5 | SSW 5 | SSW 5 | SW 6 | SW 6 | SSW 5 | SSW 5 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 5 | SSW 5 | SSW 6 | SSW 6 | SSW 6 | SW 6 | SW 6 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 61 | 67 | 79 | 72 | 54 | 59 | 94 | 128 | 88 | 52 | 69 | 173 | 279 | 275 | 249 | 164 | 90 | 70 | 126 | 148 | 164 | 211 | 195 | 116 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | 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 | cross-on | cross-on | on |
High Tide | 00:15AM5.70m | 12:48PM5.50m | 1:06AM5.71m | 1:41PM5.37m | 1:57AM5.62m | 2:34PM5.17m | ||||||||||||||||||
Low Tide | 6:31AM0.48m | 6:49PM0.88m | 7:23AM0.52m | 7:39PM1.03m | 8:17AM0.65m | 8:31PM1.22m | ||||||||||||||||||
 | |  | |  | |  | | | | |  | | | |  |  | | | | | | |  | |
 | — | 4:50 | — | — | — | — | — | — | — | 4:50 | — | — | — | — | — | — | — | 4:50 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:47 | — | — | — | — | — | — | — | 9:49 | — | — | — | — | — | — | — | 9:49 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 3 | 1 | — | — | — | — | — | — | — | — | — | 2 | 4 |
Temp °C | 14 | 14 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 14 | 15 | 15 | 15 | 16 | 16 | 16 | 16 | 17 | 17 | 15 | 14 |
Feels °C | 10 | 10 | 8 | 9 | 9 | 8 | 8 | 8 | 9 | 10 | 8 | 8 | 7 | 10 | 11 | 11 | 12 | 12 | 11 | 10 | 12 | 11 | 10 | 11 |
Swell 1 Height (m) Direction Period (s) | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | — | SW 12 | SW 12 | SW 12 | SW 11 | — | — | — | — | S 11 | S 11 | — | SW 11 | SW 11 | — | — | — | S 10 |
| kJ | 6 | 5 | 6 | 6 | 6 | 5 | — | 5 | 5 | 5 | 5 | — | — | — | — | 2 | 2 | — | 5 | 5 | — | — | — | 2 |
Swell 2 Height (m) Direction Period (s) | — | — | — | W 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | S 11 | — | — | — | — | — | — |
| kJ | — | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 5 | SSW 5 | SW 5 | SSW 5 | SSW 5 | SSW 5 | SSW 5 | SW 6 | SW 6 | SSW 5 | SSW 5 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 5 | SSW 5 | SSW 6 | SSW 6 | SSW 6 | SW 6 | SW 6 |
| kJ | 61 | 67 | 79 | 72 | 54 | 59 | 94 | 128 | 88 | 52 | 69 | 173 | 279 | 275 | 249 | 164 | 90 | 70 | 126 | 148 | 164 | 211 | 195 | 116 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 255 | 275 | 275 | 292 | 292 | 292 | 292 | 186 | 186 | 186 | 205 | 206 | 206 | 249 | 234 | 125 | 186 | 186 | 59 | 186 | 186 | 305 | 292 | 280 |
Best forecast wave conditions in Anglesy | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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