Surf Forecasts:
How big are the waves at Trearddur Bay (Holy Island) today (11 Jun):
- Morning surf: Morning surf (11 Jun, local time) - 5.5ft (1.7m), 6s period with SSW swell.
- Afternoon surf: Afternoon surf (11 Jun, local time) - 5.5ft (1.7m), 7s period with SW swell.
- Evening surf: Evening surf (11 Jun, local time) - 5ft (1.5m), 7s period with SW swell.
The current surf forecast for Trearddur Bay (Holy Island) at 4AM is: 0.8m 6s primary swell from a Southwest direction and 0.4m 4s secondary swell from a Northwest direction (forecast issued at 12:00am June 11). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Jun) | 5.5ft (1.7m) | 6s |
| Afternoon (11 Jun) | 5.5ft (1.7m) | 7s |
| Evening (11 Jun) | 5ft (1.5m) | 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 ForecastModerate rain (total 13mm), heaviest on Thu morning. Very mild (max 16°C on Fri afternoon, min 10°C on Wed night). Mainly strong winds. | ||||||||||||||||||||||||
Thursday 11 | Friday 12 | Saturday 13 | ||||||||||||||||||||||
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 | SW 5 | SSW 6 | SW 7 | SW 7 | SW 7 | SW 7 | SW 5 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | WSW 5 | W 5 | SW 6 | SW 6 | SW 4 | SW 4 | SSW 4 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 33 | 45 | 65 | 305 | 271 | 233 | 246 | 225 | 117 | 187 | 164 | 176 | 158 | 173 | 131 | 100 | 99 | 62 | 56 | 31 | 27 | 15 | 16 | 11 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross-on | cross-on | on | cross-on | cross-on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on |
High Tide | 7:15AM4.87m | 7:59PM4.77m | 8:16AM5.04m | 8:54PM5.01m | 9:13AM5.23m | 9:45PM5.24m | ||||||||||||||||||
Low Tide | 1:05AM1.76m | 1:37PM1.31m | 2:05AM1.52m | 2:33PM1.13m | 3:00AM1.24m | 3:26PM0.96m | ||||||||||||||||||
 | |  |  | |  | | |  | |  |  | | | |  | | | | | | | | | |
 | — | 4:50 | — | — | — | — | — | — | — | 4:50 | — | — | — | — | — | — | — | 4:50 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:45 | — | — | — | — | — | — | — | 9:45 | — | — | — | — | — | — | — | 9:45 | — |
mm | — | — | 3 | 7 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 12 | 10 | 11 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 15 | 15 | 16 | 16 | 14 | 12 | 11 | 10 | 11 | 12 | 14 | 15 | 15 |
Feels °C | 8 | 7 | 3 | 3 | 8 | 9 | 9 | 9 | 10 | 9 | 10 | 11 | 10 | 12 | 10 | 8 | 6 | 6 | 4 | 7 | 7 | 9 | 12 | 13 |
Swell 1 Height (m) Direction Period (s) | SW 6 | NW 4 | — | — | — | — | — | — | — | — | — | — | NW 4 | — | SW 7 | SW 7 | SW 7 | W 14 | W 15 | NW 5 | NW 5 | NW 4 | NNW 5 | SSW 4 |
| kJ | 31 | 3 | — | — | — | — | — | — | — | — | — | — | 4 | — | 131 | 100 | 99 | 4 | 4 | 23 | 14 | 4 | 2 | 11 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 12 | — | — | NNW 5 | WNW 4 | NNW 4 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | — | — | 3 | 1 | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 6 | SW 6 | SW 5 | SSW 6 | SW 7 | SW 7 | SW 7 | SW 7 | SW 5 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | WNW 4 | WNW 4 | WSW 5 | WSW 5 | W 5 | SW 6 | SW 6 | SW 4 | SW 4 | — |
| kJ | 33 | 45 | 65 | 305 | 271 | 233 | 246 | 225 | 117 | 187 | 164 | 176 | 158 | 173 | 14 | 22 | 76 | 62 | 56 | 31 | 27 | 15 | 16 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 246 | 246 | 253 | 253 | 251 | 567 | 376 | 438 | 323 | 251 | 251 | 575 | 548 | 476 | 548 | 376 | 376 | 51 | 51 | 51 | 187 | 187 | 179 | 187 |
Best forecast wave conditions in Anglesy | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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