Surf Forecasts:
How big are the waves at Llanddwyn Island today (20 Oct):
- Morning surf: Morning surf (20 Oct, local time) - 1.5ft (0.4m), 4s period with SSW swell.
- Afternoon surf: Afternoon surf (20 Oct, local time) - 0.5ft (0.2m), 4s period with SSW swell.
- Evening surf: Evening surf (20 Oct, local time) - 1.5ft (0.5m), 4s period with S swell.
The current surf forecast for Llanddwyn Island at 10AM is: 0.3m 4s primary swell from a South-southwest direction and 0.2m 6s secondary swell from a South-southwest direction, 0.2m 3s secondary swell from a South-southeast direction (forecast issued at 06:00am October 20). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Oct) | 1.5ft (0.4m) | 4s |
| Afternoon (20 Oct) | 0.5ft (0.2m) | 4s |
| Evening (20 Oct) | 1.5ft (0.5m) | 4s |
Table - waves today at Llanddwyn Island. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 33mm), heaviest during Wed morning. Very mild (max 12°C on Thu morning, min 8°C on Tue morning). Winds increasing (calm on Tue morning, near gales from the NW by Wed afternoon). | |||||||||||||||||||||||
Tuesday 20 | Wednesday 21 | Thursday 22 | |||||||||||||||||||||
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 4 | SSW 4 | SSW 6 | SSW 4 | W 10 | SSW 4 | S 4 | SSW 4 | SSW 5 | SSW 7 | SW 10 | WSW 9 | WNW 7 | WNW 7 | W 6 | WSW 5 | WSW 5 | WSW 5 | WSW 5 | SW 8 | SW 8 | SW 8 | SW 8 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 9 | 6 | 3 | 3 | 2 | 2 | 9 | 19 | 34 | 68 | 200 | 226 | 620 | 268 | 114 | 49 | 54 | 59 | 41 | 57 | 102 | 97 | 68 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | glassy | cross | glassy | cross-on | cross | cross | cross | cross-off | cross-off | cross-off | cross | cross | cross | 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 | 11:56AM1.59m | 00:49AM1.28m | 1:04PM1.38m | 1:41AM0.99m | 1:53PM1.11m | ||||||||||||||||||
 | |  |  | |  |  |  | | | |  | |  | | | | |  | | | | | |
 | — | 7:52 | — | — | — | — | — | — | — | 7:54 | — | — | — | — | — | — | — | 7:54 | — | — | — | — | — |
 | — | — | — | — | 6:12 | — | — | — | — | — | — | — | 6:08 | — | — | — | — | — | — | — | 6:07 | — | — |
mm | — | — | — | 2 | 4 | 1 | — | — | — | 3 | 2 | 6 | 5 | 2 | — | — | 1 | — | — | — | — | — | 2 |
Temp °C | 10 | 10 | 10 | 8 | 8 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 8 | 10 | 9 | 9 | 10 | 9 | 11 | 12 | 12 | 11 | 11 |
Feels °C | 7 | 8 | 8 | 7 | 6 | 6 | 6 | 6 | 6 | 7 | 9 | -1 | -4 | 2 | 3 | 4 | 5 | 4 | 6 | 8 | 8 | 6 | 6 |
Swell 1 Height (m) Direction Period (s) | W 11 | SSW 4 | SSW 4 | SSW 4 | SSW 4 | SSW 4 | W 8 | SW 4 | SSW 5 | SSW 7 | SW 10 | WSW 9 | — | — | SW 9 | NW 6 | — | — | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 |
| kJ | 2 | 6 | 3 | 3 | 2 | 2 | 1 | 16 | 34 | 68 | 200 | 226 | — | — | 22 | 8 | — | — | 34 | 57 | 102 | 97 | 68 |
Swell 2 Height (m) Direction Period (s) | — | W 11 | SSW 6 | SW 6 | W 8 | W 8 | SW 8 | W 8 | — | WSW 14 | SE 4 | — | — | — | — | — | — | — | — | NW 4 | NW 4 | NW 4 | NW 4 |
| kJ | — | 2 | 3 | 1 | 1 | 1 | 2 | 1 | — | 20 | 7 | — | — | — | — | — | — | — | — | 4 | 4 | 2 | 1 |
Swell 3 Height (m) Direction Period (s) | W 13 | W 13 | W 11 | W 11 | W 10 | — | W 10 | — | — | WSW 14 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 4 | 4 | 2 | 2 | 2 | — | 2 | — | — | 20 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | S 4 | SSE 4 | SSE 3 | — | — | — | S 4 | SSW 4 | SE 3 | SE 4 | — | WNW 5 | WNW 7 | WNW 7 | W 6 | WSW 5 | WSW 5 | WSW 5 | WSW 5 | SW 5 | — | SE 3 | SE 3 |
| kJ | 9 | 4 | 1 | — | — | — | 9 | 19 | 2 | 14 | — | 71 | 620 | 268 | 114 | 49 | 54 | 59 | 41 | 23 | — | 2 | 5 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 162 | 151 | 162 | 162 | 169 | 267 | 267 | 221 | 267 | 6 | 6 | 289 | 273 | 273 | 280 | 35 | 159 | 159 | 35 | 35 | 38 | 267 | 267 |
Best forecast wave conditions in Anglesy | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
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