Surf Forecasts:
How big are the waves at Llanddwyn Island today (20 Oct):
- Afternoon surf: Afternoon surf (20 Oct, local time) - 1ft (0.3m), 4s period with SSW swell.
- Evening surf: Evening surf (20 Oct, local time) - 2ft (0.6m), 4s period with S swell.
The current surf forecast for Llanddwyn Island at 10PM is: 0.6m 4s primary swell from a South direction and 0.1m 8s secondary swell from a West direction, 0.1m 8s secondary swell from a Southwest direction (forecast issued at 06:00pm October 20). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Oct) | - | - |
| Afternoon (20 Oct) | 1ft (0.3m) | 4s |
| Evening (20 Oct) | 2ft (0.6m) | 4s |
Table - waves today at Llanddwyn Island. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 23mm), heaviest during Wed morning. Very mild (max 13°C on Thu afternoon, min 8°C on Wed morning). Winds increasing (light winds from the SE on Tue afternoon, gales from the NW by Fri morning). | |||||||||||||||||||
Tue 20 | Wednesday 21 | Thursday 22 | |||||||||||||||||
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 4 | W 10 | S 4 | SSW 5 | SW 6 | SW 7 | WSW 7 | W 8 | WNW 8 | WNW 8 | W 7 | W 6 | W 5 | WSW 5 | WSW 5 | WSW 5 | SW 8 | SW 8 | SW 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 4 | 2 | 11 | 29 | 66 | 140 | 512 | 1241 | 1055 | 663 | 328 | 167 | 82 | 78 | 85 | 72 | 115 | 100 | 33 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-off | cross-off |
High Tide | 6:20PM3.01m | 7:05AM2.89m | 7:09PM3.23m | 7:44AM3.14m | 7:46PM3.49m | ||||||||||||||
Low Tide | 00:49AM1.28m | 1:04PM1.38m | 1:41AM0.99m | 1:53PM1.11m | |||||||||||||||
 |  |  |  | |  | | | | | | | | |  |  |  | | | |
 | — | — | — | — | — | 7:54 | — | — | — | — | — | — | — | 7:54 | — | — | — | — | — |
 | 6:12 | — | — | — | — | — | — | — | 6:08 | — | — | — | — | — | — | — | 6:07 | — | — |
mm | 1 | — | — | — | — | 1 | 1 | 5 | 2 | — | — | 1 | — | — | — | — | — | — | 2 |
Temp °C | 9 | 10 | 10 | 10 | 10 | 11 | 9 | 8 | 10 | 10 | 10 | 9 | 10 | 10 | 11 | 12 | 13 | 11 | 11 |
Feels °C | 7 | 7 | 6 | 6 | 5 | 6 | -1 | -3 | 0 | 1 | 4 | 4 | 4 | 5 | 6 | 8 | 8 | 6 | 5 |
Swell 1 Height (m) Direction Period (s) | SSW 4 | SSW 4 | W 8 | SW 5 | SW 6 | — | — | — | — | — | — | — | — | — | NW 5 | NW 4 | SW 8 | SW 8 | SW 5 |
| kJ | 4 | 2 | 1 | 24 | 66 | — | — | — | — | — | — | — | — | — | 7 | 7 | 115 | 100 | 25 |
Swell 2 Height (m) Direction Period (s) | W 8 | W 8 | SW 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 4 | NW 4 | SW 8 |
| kJ | 1 | 1 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 3 | 33 |
Swell 3 Height (m) Direction Period (s) | W 10 | W 10 | W 10 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 4 |
| kJ | 2 | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
Wind waves Height (m) Direction Period (s) | — | — | S 4 | SSW 5 | SE 4 | SW 7 | WSW 7 | W 8 | WNW 8 | WNW 8 | W 7 | W 6 | W 5 | WSW 5 | WSW 5 | WSW 5 | — | SE 3 | SE 4 |
| kJ | — | — | 11 | 29 | 11 | 140 | 512 | 1241 | 1055 | 663 | 328 | 167 | 82 | 78 | 85 | 72 | — | 4 | 18 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 169 | 187 | 270 | 237 | 179 | 269 | 267 | 269 | 278 | 273 | 284 | 284 | 159 | 159 | 159 | 239 | 95 | 270 | 270 |
Best forecast wave conditions in Anglesy | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
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