Surf Forecasts:
How big are the waves at Trearddur Bay (Holy Island) today (15 Jun):
- Morning surf: Morning surf (15 Jun, local time) - 0.5ft (0.2m), 4s period with SSE swell.
- Afternoon surf: Afternoon surf (15 Jun, local time) - 1.5ft (0.4m), 4s period with SE swell.
- Evening surf: Evening surf (15 Jun, local time) - 1ft (0.3m), 6s period with SSW swell.
The current surf forecast for Trearddur Bay (Holy Island) at 4AM is: 0.1m 13s primary swell from a South direction (forecast issued at 12:00am June 15). An open ocean swell of 0.2m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Jun) | 0.5ft (0.2m) | 4s |
| Afternoon (15 Jun) | 1.5ft (0.4m) | 4s |
| Evening (15 Jun) | 1ft (0.3m) | 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 9mm), mostly falling on Tue night. Very mild (max 18°C on Mon afternoon, min 12°C on Sun night). Winds increasing (calm on Mon afternoon, fresh winds from the SSW by Wed afternoon). | ||||||||||||||||||||||||
Monday 15 | Tuesday 16 | Wednesday 17 | ||||||||||||||||||||||
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) | S 14 | S 13 | S 13 | SE 4 | SSE 4 | SSE 3 | SSW 6 | SSW 5 | SSW 5 | SSW 5 | SW 13 | SSW 5 | SSW 4 | SSW 5 | SSW 5 | SSW 5 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SW 6 | SW 6 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 4 | 3 | 3 | 5 | 2 | 2 | 7 | 7 | 6 | 6 | 6 | 20 | 37 | 42 | 69 | 117 | 122 | 184 | 164 | 120 | 100 | 156 | 237 | 196 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-on | glassy | 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 | on | on | cross-on | cross-on | cross-on |
High Tide | 10:35PM5.45m | 11:02AM5.52m | 11:25PM5.61m | 11:55AM5.55m | 00:15AM5.70m | 12:48PM5.50m | ||||||||||||||||||
Low Tide | 4:46AM0.72m | 5:08PM0.78m | 5:38AM0.55m | 5:58PM0.79m | 6:31AM0.48m | 6:49PM0.88m | ||||||||||||||||||
 | |  | | | | | |  |  |  | | |  | | |  | | | |  | | | | |
 | — | 4:50 | — | — | — | — | — | — | — | 4:50 | — | — | — | — | — | — | — | 4:50 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:46 | — | — | — | — | — | — | — | 9:47 | — | — | — | — | — | — | — | 9:47 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | 1 | 4 | 2 | — | — | — | — | — |
Temp °C | 14 | 14 | 15 | 16 | 16 | 18 | 16 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 14 | 14 | 13 | 14 | 14 | 14 | 14 | 14 |
Feels °C | 10 | 12 | 13 | 15 | 15 | 18 | 15 | 12 | 12 | 12 | 12 | 10 | 9 | 8 | 7 | 7 | 9 | 10 | 8 | 10 | 9 | 7 | 7 | 9 |
Swell 1 Height (m) Direction Period (s) | N 4 | ENE 3 | ENE 4 | ENE 5 | SSE 4 | ENE 5 | SSW 6 | SSW 5 | SSW 5 | SW 13 | SW 5 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | — | SW 12 | SW 12 | SW 12 | — | — | SW 12 |
| kJ | 1 | 1 | 2 | 2 | 2 | 2 | 7 | 6 | 5 | 6 | 1 | 6 | 6 | 6 | 6 | 6 | 5 | — | 5 | 6 | 5 | — | — | 5 |
Swell 2 Height (m) Direction Period (s) | — | — | S 7 | SSE 4 | ENE 5 | S 3 | NE 5 | NE 4 | — | — | SW 13 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 1 | 2 | 2 | 1 | 1 | 1 | — | — | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | S 14 | S 13 | S 13 | S 7 | S 6 | SW 6 | — | SW 13 | SW 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 4 | 3 | 3 | 1 | 1 | 2 | — | 7 | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | ENE 3 | — | — | SE 4 | — | SSE 3 | — | — | — | SSW 5 | SSW 4 | SSW 5 | SSW 4 | SSW 5 | SSW 5 | SSW 5 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SSW 6 | SW 6 | SW 6 |
| kJ | 1 | — | — | 5 | — | 2 | — | — | — | 4 | 4 | 20 | 37 | 42 | 69 | 117 | 122 | 184 | 164 | 120 | 100 | 156 | 237 | 196 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 253 | 273 | 267 | 208 | 210 | 286 | 288 | 281 | 280 | 275 | 275 | 275 | 280 | 280 | 261 | 275 | 255 | 255 | 275 | 275 | 249 | 292 | 290 | 234 |
Best forecast wave conditions in Anglesy | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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