Surf Forecasts:
How big are the waves at Trearddur Bay (Holy Island) today (27 Sep):
- Afternoon surf: Afternoon surf (27 Sep, local time) - 6ft (1.8m), 8s period with SSW swell.
- Evening surf: Evening surf (27 Sep, local time) - 3.5ft (1.1m), 8s period with SSW swell.
The current surf forecast for Trearddur Bay (Holy Island) at 11PM is: 1.0m 8s primary swell from a South-southwest direction and 0.1m 13s secondary swell from a Southwest direction, 0.8m 4s secondary swell from a West-northwest direction (forecast issued at 06:00pm September 27). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Sep) | - | - |
| Afternoon (27 Sep) | 6ft (1.8m) | 8s |
| Evening (27 Sep) | 3.5ft (1.1m) | 8s |
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 19°C on Tue afternoon, min 13°C on Sun night). Winds increasing (light winds from the S on Mon afternoon, strong winds from the SSE by Tue night). | |||||||||||||||||||
Sun 27 | Monday 28 | Tuesday 29 | |||||||||||||||||
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) | SSW 8 | SSW 8 | SSW 8 | SSW 7 | SW 7 | SW 7 | SW 7 | SSW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SSE 4 | SSE 5 | S 5 | SSE 5 | SSE 5 | SSE 5 | S 6 |
Wave Graph  | |||||||||||||||||||
 kJ | 362 | 199 | 117 | 96 | 79 | 54 | 53 | 34 | 24 | 23 | 11 | 11 | 18 | 30 | 14 | 28 | 43 | 72 | 139 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross |
High Tide | 11:36PM5.87m | 11:57AM5.63m | 00:12AM5.89m | 12:32PM5.64m | |||||||||||||||
Low Tide | 5:26PM0.82m | 5:46AM0.60m | 6:01PM0.74m | 6:21AM0.63m | 6:39PM0.78m | ||||||||||||||
 |  |  |  | |  | | | | | | | | | | | | | | |
 | — | — | — | — | — | 7:13 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — |
 | — | 7:06 | — | — | — | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:00 | — |
mm | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 15 | 14 | 14 | 13 | 13 | 14 | 14 | 15 | 14 | 15 | 15 | 14 | 13 | 13 | 17 | 18 | 19 | 19 |
Feels °C | 8 | 11 | 8 | 10 | 10 | 10 | 11 | 11 | 12 | 11 | 10 | 11 | 10 | 9 | 9 | 14 | 14 | 16 | 14 |
Swell 1 Height (m) Direction Period (s) | SSW 8 | SSW 8 | SSW 8 | SSW 7 | SW 7 | SW 7 | SW 7 | SSW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SSW 6 | S 12 | S 5 | ENE 5 | ENE 5 | ENE 5 | NE 5 |
| kJ | 362 | 199 | 117 | 96 | 79 | 54 | 53 | 34 | 24 | 23 | 11 | 11 | 4 | 3 | 14 | 3 | 3 | 2 | 1 |
Swell 2 Height (m) Direction Period (s) | — | S 13 | SW 13 | SW 13 | NW 4 | NW 4 | NW 3 | WNW 3 | S 12 | — | S 12 | SW 12 | S 12 | SW 12 | S 12 | SW 6 | S 12 | — | — |
| kJ | — | 3 | 7 | 7 | 8 | 4 | 2 | 1 | 3 | — | 3 | 6 | 3 | 6 | 3 | 2 | 3 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | SW 13 | SW 12 | SW 12 | S 12 | SW 12 | S 12 | — | — | — | — | — | S 12 | — | — | — |
| kJ | — | — | — | — | 6 | 6 | 6 | 3 | 6 | 3 | — | — | — | — | — | 3 | — | — | — |
Wind waves Height (m) Direction Period (s) | W 4 | WNW 5 | WNW 4 | WNW 4 | — | — | — | — | — | — | ESE 2 | SSE 3 | SSE 4 | SSE 5 | SE 5 | SSE 5 | SSE 5 | SSE 5 | S 6 |
| kJ | 29 | 32 | 21 | 16 | — | — | — | — | — | — | 1 | 7 | 18 | 30 | 17 | 28 | 43 | 72 | 139 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 280 | 51 | 51 | 51 | 51 | 51 | 155 | 155 | 161 | 163 | 179 | 179 | 189 | 205 | 444 | 455 | 569 | 289 | 586 |
Best forecast wave conditions in Anglesy | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
Header Global | |||||||||||||||||||
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