Surf Forecasts:
How big are the waves at Trearddur Bay (Holy Island) today (04 Oct):
- Morning surf: Morning surf (04 Oct, local time) - 3ft (0.9m), 4s period with SW swell.
- Afternoon surf: Afternoon surf (04 Oct, local time) - 3ft (0.9m), 4s period with SW swell.
- Evening surf: Evening surf (04 Oct, local time) - 3ft (0.9m), 4s period with SSW swell.
The current surf forecast for Trearddur Bay (Holy Island) at 7PM is: 0.8m 4s primary swell from a South-southwest direction (forecast issued at 12:00pm October 04). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Oct) | 3ft (0.9m) | 4s |
| Afternoon (04 Oct) | 3ft (0.9m) | 4s |
| Evening (04 Oct) | 3ft (0.9m) | 4s |
Table - waves today at Trearddur Bay (Holy Island). (Swell directed towards the surf break)
Short Range ForecastLight rain (total 9mm), mostly falling on Tue night. Very mild (max 18°C on Mon night, min 11°C on Tue afternoon). Winds decreasing (fresh winds from the SW on Mon morning, calm by Tue morning). | |||||||||||||||||||||
Sun 4 | Monday 5 | Tuesday 6 | |||||||||||||||||||
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 4 | SW 4 | SSW 4 | SSW 4 | SSW 4 | SW 5 | SW 5 | SW 6 | SW 5 | SW 6 | SW 6 | SW 6 | SW 6 | SW 5 | SW 5 | SSW 5 | SSW 4 | SW 4 | SSW 4 | SSW 4 | SW 4 |
Wave Graph  | |||||||||||||||||||||
 kJ | 26 | 26 | 31 | 24 | 30 | 55 | 69 | 77 | 85 | 101 | 92 | 72 | 61 | 41 | 27 | 15 | 8 | 5 | 2 | 2 | 1 |
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 | on | on | on | on | on | on | on | on | on | glassy | off | cross-off | off | cross-off |
High Tide | 5:18PM4.66m | 6:22AM4.54m | 6:55PM4.76m | 7:49AM4.75m | 8:09PM5.07m | ||||||||||||||||
Low Tide | 10:52AM2.21m | 11:50PM1.92m | 12:26PM2.25m | 1:19AM1.71m | 1:46PM2.00m | ||||||||||||||||
 | |  |  | |  | | | | | | | | |  | |  | | | |  | |
 | 7:24 | — | — | — | — | — | — | 7:24 | — | — | — | — | — | — | — | 7:26 | — | — | — | — | — |
 | — | — | 6:49 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:44 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | 1 | — | 1 |
Temp °C | 14 | 15 | 15 | 16 | 17 | 16 | 16 | 16 | 17 | 16 | 17 | 16 | 18 | 17 | 17 | 16 | 15 | 14 | 12 | 11 | 11 |
Feels °C | 10 | 11 | 11 | 12 | 13 | 12 | 12 | 12 | 13 | 12 | 14 | 14 | 17 | 16 | 16 | 16 | 15 | 13 | 8 | 6 | 6 |
Swell 1 Height (m) Direction Period (s) | SW 15 | S 15 | S 14 | — | — | — | — | S 13 | SW 13 | SW 13 | SW 13 | S 13 | S 13 | SW 5 | SW 5 | SSW 5 | SSW 4 | SW 4 | SSW 4 | SSW 4 | SW 4 |
| kJ | 8 | 4 | 4 | — | — | — | — | 3 | 7 | 7 | 7 | 3 | 3 | 41 | 27 | 15 | 8 | 5 | 2 | 2 | 1 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 8 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 4 | SW 4 | SSW 4 | SSW 4 | SSW 4 | SW 5 | SW 5 | SW 6 | SW 5 | SW 6 | SW 6 | SW 6 | SW 6 | — | — | — | N 3 | N 4 | N 4 | N 4 | N 4 |
| kJ | 26 | 26 | 31 | 24 | 30 | 55 | 69 | 77 | 85 | 101 | 92 | 72 | 61 | — | — | — | 1 | 10 | 16 | 10 | 6 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 179 | 251 | 251 | 251 | 251 | 301 | 307 | 332 | 251 | 251 | 292 | 236 | 251 | 235 | 235 | 235 | 235 | 298 | 236 | 236 | 251 |
Best forecast wave conditions in Anglesy | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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