Surf Forecasts:
How big are the waves at Trearddur Bay (Holy Island) today (13 Jun):
- Morning surf: Morning surf (13 Jun, local time) - 4.5ft (1.4m), 5s period with WNW swell.
- Afternoon surf: Afternoon surf (13 Jun, local time) - 2ft (0.6m), 6s period with SW swell.
- Evening surf: Evening surf (13 Jun, local time) - 1.5ft (0.4m), 6s period with SW swell.
The current surf forecast for Trearddur Bay (Holy Island) at 4AM is: 1.5m 5s primary swell from a West direction (forecast issued at 12:00am June 13). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Jun) | 4.5ft (1.4m) | 5s |
| Afternoon (13 Jun) | 2ft (0.6m) | 6s |
| Evening (13 Jun) | 1.5ft (0.4m) | 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 ForecastMostly dry. Very mild (max 16°C on Mon afternoon, min 10°C on Sat night). Winds decreasing (fresh winds from the W on Fri night, light winds from the E by Sun night). | ||||||||||||||||||||||||
Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||||||||||||
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) | WSW 5 | W 5 | W 5 | WNW 5 | W 5 | SW 6 | SW 6 | SW 5 | SW 5 | SSW 4 | SSW 4 | SSW 4 | SW 15 | W 3 | SW 4 | N 4 | S 14 | S 13 | S 13 | S 13 | SW 13 | SW 13 | SW 13 | S 4 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 108 | 120 | 121 | 98 | 75 | 23 | 11 | 7 | 6 | 2 | 2 | 2 | 8 | 1 | 1 | 0 | 4 | 3 | 3 | 3 | 7 | 7 | 7 | 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 | on | on | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-on | cross-on | cross-on | cross-on | cross |
High Tide | 9:13AM5.23m | 9:45PM5.24m | 10:08AM5.40m | 10:35PM5.45m | 11:02AM5.52m | |||||||||||||||||||
Low Tide | 3:00AM1.24m | 3:26PM0.96m | 3:54AM0.96m | 4:17PM0.84m | 4:46AM0.72m | 5:08PM0.78m | ||||||||||||||||||
 |  |  |  | | | | | | | | | | | |  | | | | | | | | | |
 | — | 4:50 | — | — | — | — | — | — | — | 4:50 | — | — | — | — | — | — | — | 4:50 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:45 | — | — | — | — | — | — | — | 9:46 | — | — | — | — | — | — | — | 9:46 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 11 | 11 | 11 | 12 | 13 | 15 | 14 | 12 | 11 | 10 | 11 | 11 | 12 | 13 | 12 | 13 | 13 | 13 | 15 | 15 | 16 | 16 | 16 |
Feels °C | 5 | 5 | 4 | 4 | 6 | 9 | 11 | 10 | 8 | 8 | 7 | 9 | 8 | 10 | 10 | 9 | 10 | 11 | 11 | 13 | 12 | 14 | 14 | 14 |
Swell 1 Height (m) Direction Period (s) | — | — | SW 11 | — | W 15 | NW 5 | NW 4 | NW 4 | SW 5 | SSW 4 | SSW 4 | SSW 4 | SW 4 | NNW 5 | NNW 4 | N 4 | NNW 4 | N 4 | — | — | SW 13 | SW 13 | SW 13 | SW 13 |
| kJ | — | — | 5 | — | 4 | 23 | 9 | 4 | 6 | 2 | 2 | 2 | 1 | 7 | 4 | 3 | 2 | 1 | — | — | 7 | 7 | 7 | 7 |
Swell 2 Height (m) Direction Period (s) | — | — | — | SW 12 | W 11 | — | W 11 | SW 5 | — | — | — | — | SW 15 | W 3 | — | — | S 14 | S 13 | S 13 | S 13 | — | — | — | — |
| kJ | — | — | — | 5 | 3 | — | 2 | 7 | — | — | — | — | 8 | 1 | — | — | 4 | 3 | 3 | 3 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | NNW 5 | — | — | — | — | — | SW 4 | SW 4 | — | — | S 7 | S 7 | S 7 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | 2 | — | — | — | — | — | 1 | 1 | — | — | 1 | 1 | 1 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 5 | W 5 | W 5 | WNW 5 | W 5 | SW 6 | SW 6 | — | NNW 4 | NNW 4 | NNW 4 | NNW 5 | NNW 5 | — | — | — | — | — | — | — | — | S 3 | S 3 | S 4 |
| kJ | 108 | 120 | 121 | 98 | 75 | 19 | 11 | — | 8 | 16 | 17 | 17 | 12 | — | — | — | — | — | — | — | — | 1 | 2 | 6 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 259 | 179 | 179 | 179 | 187 | 187 | 179 | 179 | 187 | 161 | 178 | 179 | 163 | 182 | 179 | 163 | 179 | 241 | 241 | 284 | 286 | 195 | 238 | 240 |
Best forecast wave conditions in Anglesy | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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