Surf Forecasts:
How big are the waves at Trearddur Bay (Holy Island) today (16 Oct):
- Morning surf: Morning surf (16 Oct, local time) - 3ft (0.9m), 4s period with WNW swell.
- Afternoon surf: Afternoon surf (16 Oct, local time) - 3.5ft (1.1m), 5s period with NW swell.
- Evening surf: Evening surf (16 Oct, local time) - 1.5ft (0.4m), 6s period with SW swell.
The current surf forecast for Trearddur Bay (Holy Island) at 1AM is: 0.8m 7s primary swell from a South-southwest direction and 0.3m 13s secondary swell from a Southwest direction, 0.5m 3s secondary swell from a Northwest direction (forecast issued at 06:00pm October 15). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Oct) | 3ft (0.9m) | 4s |
| Afternoon (16 Oct) | 3.5ft (1.1m) | 5s |
| Evening (16 Oct) | 1.5ft (0.4m) | 6s |
Table - waves today at Trearddur Bay (Holy Island). (Swell directed towards the surf break)
Short Range ForecastLight rain (total 7mm), mostly falling on Thu afternoon. Very mild (max 13°C on Thu night, min 9°C on Sat afternoon). Mainly fresh winds. | |||||||||||||||||||
Thu 15 | Friday 16 | Saturday 17 | |||||||||||||||||
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 7 | SSW 7 | SSW 7 | SSW 7 | SW 7 | SSW 7 | WNW 4 | WNW 5 | NW 5 | SW 7 | SW 6 | SW 6 | SW 6 | SSW 6 | SW 12 | SW 6 | SW 11 | SW 6 | S 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 268 | 142 | 96 | 68 | 54 | 35 | 38 | 59 | 43 | 11 | 11 | 6 | 6 | 5 | 5 | 2 | 5 | 2 | 2 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | glassy | glassy | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | off | off |
High Tide | 1:37PM5.19m | 1:57AM4.90m | 2:15PM4.98m | 2:40AM4.61m | 3:02PM4.74m | ||||||||||||||
Low Tide | 7:48PM1.58m | 8:06AM1.84m | 8:30PM1.88m | 8:48AM2.18m | 9:22PM2.17m | ||||||||||||||
 |  | |  |  | |  |  | | | | | | | | | | | | |
 | — | — | — | — | — | 7:45 | — | — | — | — | — | — | — | 7:47 | — | — | — | — | — |
 | 6:22 | — | — | — | — | — | — | — | 6:21 | — | — | — | — | — | — | — | 6:19 | — | — |
mm | 3 | 2 | 1 | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 12 | 12 | 13 | 12 | 11 | 11 | 11 | 12 | 13 | 12 | 12 | 11 | 11 | 10 | 10 | 9 | 9 | 9 |
Feels °C | 9 | 11 | 11 | 9 | 6 | 5 | 4 | 4 | 5 | 7 | 5 | 6 | 6 | 7 | 5 | 6 | 4 | 4 | 5 |
Swell 1 Height (m) Direction Period (s) | SW 7 | SSW 7 | SSW 7 | SSW 7 | SW 7 | SSW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 6 | SW 6 | SW 6 | SSW 6 | NNW 5 | N 4 | SW 6 | NNW 4 | N 4 |
| kJ | 268 | 142 | 96 | 68 | 54 | 35 | 24 | 23 | 12 | 11 | 11 | 6 | 6 | 4 | 26 | 10 | 2 | 3 | 1 |
Swell 2 Height (m) Direction Period (s) | WSW 14 | SW 13 | SW 13 | SW 13 | WSW 13 | WSW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 6 | SW 6 | SW 11 | SW 6 | SW 6 |
| kJ | 18 | 28 | 27 | 27 | 16 | 16 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 2 | 2 | 5 | 2 | 2 |
Swell 3 Height (m) Direction Period (s) | — | — | — | SW 11 | — | — | — | — | — | — | — | — | — | — | SW 12 | — | W 11 | — | S 11 |
| kJ | — | — | — | 5 | — | — | — | — | — | — | — | — | — | — | 5 | — | 2 | — | 2 |
Wind waves Height (m) Direction Period (s) | — | NW 3 | WNW 3 | NW 3 | NW 4 | WNW 4 | WNW 4 | WNW 5 | NW 5 | NW 5 | NNW 5 | NNW 6 | NNW 6 | N 5 | — | ENE 2 | N 4 | ENE 2 | ENE 2 |
| kJ | — | 2 | 1 | 5 | 16 | 22 | 38 | 59 | 43 | 49 | 86 | 106 | 94 | 59 | — | 1 | 5 | 1 | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 2 | 0 | 0 | 51 | 174 | 174 | 174 | 195 | 195 | 72 | 179 | 179 | 82 | 179 | 179 | 178 | 178 | 163 | 161 |
Best forecast wave conditions in Anglesy | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
Header Global | |||||||||||||||||||
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