Surf Forecasts:
How big are the waves at Trearddur Bay (Holy Island) today (30 Jun):
- Morning surf: Morning surf (30 Jun, local time) - 4.5ft (1.3m), 5s period with SSW swell.
- Afternoon surf: Afternoon surf (30 Jun, local time) - 4.5ft (1.3m), 6s period with SSW swell.
- Evening surf: Evening surf (30 Jun, local time) - 3ft (0.9m), 6s period with SW swell.
The current surf forecast for Trearddur Bay (Holy Island) at 6PM is: 1.1m 6s primary swell from a South-southwest direction and 0.1m 12s secondary swell from a Southwest direction (forecast issued at 12:00pm June 30). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Jun) | 4.5ft (1.3m) | 5s |
| Afternoon (30 Jun) | 4.5ft (1.3m) | 6s |
| Evening (30 Jun) | 3ft (0.9m) | 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 ForecastSome drizzle, heaviest during Tue morning. Very mild (max 16°C on Tue night, min 12°C on Thu morning). Winds increasing (light winds from the SSW on Tue night, strong winds from the WNW by Wed night). | ||||||||||||||||||||||||
Tue 30 | Wednesday 1 | Thursday 2 | Fri 3 | |||||||||||||||||||||
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 | 1 AM | 4 AM | 7 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SSW 5 | SSW 6 | SSW 6 | SSW 6 | SW 6 | SW 6 | SSW 6 | SW 6 | SW 6 | SW 6 | SSW 6 | SSW 5 | SSW 6 | SW 7 | SW 7 | NW 6 | NW 6 | SW 7 | SW 7 | SW 7 | SW 6 | SW 6 | SW 6 | SW 5 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 85 | 130 | 93 | 70 | 47 | 35 | 24 | 18 | 18 | 14 | 25 | 85 | 309 | 398 | 286 | 128 | 115 | 36 | 22 | 35 | 19 | 6 | 8 | 7 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross | cross | on | cross-on | cross-on | cross-on | on | cross-on | cross | cross | cross | cross | on | cross-on | cross-on | cross-on | cross-on |
High Tide | 11:37AM4.91m | 11:49PM5.30m | 12:12PM4.93m | 00:24AM5.34m | 12:47PM4.93m | 00:58AM5.33m | ||||||||||||||||||
Low Tide | 5:35PM1.39m | 6:00AM1.23m | 6:10PM1.36m | 6:35AM1.18m | 6:45PM1.37m | |||||||||||||||||||
 |  |  | |  | |  | | | | | |  | | | | | | |  | | | | | |
 | 4:54 | — | — | — | — | — | 4:54 | — | — | — | — | — | — | — | 4:54 | — | — | — | — | — | — | — | 4:56 | — |
 | — | — | — | 9:49 | — | — | — | — | — | — | — | 9:49 | — | — | — | — | — | — | — | 9:47 | — | — | — | 9:47 |
mm | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 15 | 15 | 15 | 16 | 16 | 13 | 14 | 14 | 14 | 14 | 13 | 14 | 15 | 14 | 13 | 12 | 14 | 16 | 16 | 16 | 16 | 15 | 14 |
Feels °C | 9 | 10 | 11 | 12 | 15 | 15 | 10 | 11 | 12 | 11 | 8 | 5 | 6 | 9 | 5 | 5 | 6 | 10 | 13 | 13 | 12 | 13 | 12 | 11 |
Swell 1 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 13 | SW 12 | SW 6 | SW 6 | SSW 6 | SW 6 | SW 6 | SW 6 | NW 4 | — | — | — | — | SW 7 | SW 7 | SW 7 | NNW 5 | N 5 | NNW 5 | SW 6 | SW 6 | SW 5 |
| kJ | 7 | 7 | 6 | 6 | 47 | 35 | 24 | 18 | 18 | 14 | 3 | — | — | — | — | 114 | 65 | 36 | 30 | 14 | 7 | 6 | 8 | 7 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | — | — | — | — | — | — | — | SW 7 | SW 7 | WNW 4 | NNW 4 | N 5 | — |
| kJ | — | — | — | — | 6 | 6 | 6 | 6 | 6 | 5 | 5 | — | — | — | — | — | — | — | 22 | 22 | 1 | 2 | 2 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | WSW 11 | — | — | — | — | — | — | — | — | WNW 4 | NNW 5 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 12 | — | — | — | — | — | — | — | — | 6 | 2 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSW 5 | SSW 6 | SSW 6 | SSW 6 | — | WNW 3 | NW 4 | NW 4 | WNW 4 | WNW 4 | SSW 6 | SSW 5 | SSW 6 | SW 7 | SW 7 | NW 6 | NW 6 | NW 6 | — | SW 7 | SW 6 | SW 3 | — | — |
| kJ | 85 | 130 | 93 | 70 | — | 4 | 17 | 14 | 15 | 10 | 25 | 85 | 309 | 398 | 286 | 128 | 115 | 80 | — | 35 | 19 | 4 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 249 | 246 | 101 | 249 | 51 | 51 | 174 | 174 | 51 | 51 | 548 | 548 | 319 | 561 | 459 | 195 | 179 | 179 | 51 | 51 | 161 | 171 | 179 | 155 |
Best forecast wave conditions in Anglesy | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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