Surf Forecasts:
How big are the waves at Llanddwyn Island today (21 Oct):
- Morning surf: Morning surf (21 Oct, local time) - 6.5ft (2.0m), 6s period with W swell.
- Afternoon surf: Afternoon surf (21 Oct, local time) - 8ft (2.5m), 8s period with W swell.
- Evening surf: Evening surf (21 Oct, local time) - 5ft (1.6m), 6s period with W swell.
The current surf forecast for Llanddwyn Island at 9AM is: 2.0m 6s primary swell from a West direction (forecast issued at 06:00am October 21). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Oct) | 6.5ft (2.0m) | 6s |
| Afternoon (21 Oct) | 8ft (2.5m) | 8s |
| Evening (21 Oct) | 5ft (1.6m) | 6s |
Table - waves today at Llanddwyn Island. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 21mm), heaviest during Fri morning. Very mild (max 11°C on Thu morning, min 8°C on Wed morning). Winds increasing (light winds from the ESE on Thu afternoon, near gales from the NW by Fri morning). | |||||||||||||||||||||||
Wednesday 21 | Thursday 22 | Friday 23 | |||||||||||||||||||||
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) | SW 6 | SW 6 | W 6 | W 8 | WNW 7 | W 7 | W 6 | W 6 | WSW 7 | W 5 | WSW 5 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 12 | NW 7 | WNW 7 | WNW 7 | WNW 6 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 56 | 130 | 318 | 844 | 645 | 371 | 200 | 114 | 96 | 45 | 48 | 100 | 82 | 80 | 54 | 42 | 39 | 51 | 278 | 381 | 419 | 383 | 303 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | 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 | cross-off | cross-off | cross | cross | cross | cross | cross | cross |
High Tide | 7:05AM2.89m | 7:09PM3.23m | 7:44AM3.14m | 7:46PM3.49m | 8:15AM3.41m | 8:18PM3.74m | |||||||||||||||||
Low Tide | 1:04PM1.38m | 1:41AM0.99m | 1:53PM1.11m | 2:22AM0.68m | 2:35PM0.82m | ||||||||||||||||||
 | |  | | | |  |  |  | |  | | | | |  | | |  | |  | | | |
 | — | 7:54 | — | — | — | — | — | — | — | 7:54 | — | — | — | — | — | — | — | 7:56 | — | — | — | — | — |
 | — | — | — | — | 6:08 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:05 | — | — |
mm | — | — | 1 | 2 | 2 | — | — | — | 1 | — | — | — | — | — | — | 2 | 2 | 2 | 6 | 1 | — | — | 1 |
Temp °C | 10 | 10 | 9 | 8 | 10 | 10 | 10 | 9 | 9 | 9 | 10 | 11 | 11 | 10 | 10 | 10 | 11 | 10 | 9 | 9 | 10 | 10 | 10 |
Feels °C | 6 | 4 | 0 | -2 | 0 | 1 | 4 | 4 | 4 | 4 | 5 | 7 | 7 | 6 | 5 | 5 | 7 | 7 | -3 | -3 | -2 | -1 | 0 |
Swell 1 Height (m) Direction Period (s) | SW 6 | — | — | — | — | — | — | — | WSW 7 | — | — | NW 4 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 12 | SW 12 | — | — | — |
| kJ | 56 | — | — | — | — | — | — | — | 96 | — | — | 6 | 82 | 80 | 54 | 42 | 39 | 51 | 278 | 264 | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | NW 4 | WNW 4 | — | — | SSE 4 | SSE 4 | WSW 16 | WSW 15 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 1 | — | — | 3 | 2 | 175 | 142 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SW 14 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 7 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 4 | SW 6 | W 6 | W 8 | WNW 7 | W 7 | W 6 | W 6 | NW 5 | W 5 | WSW 5 | SW 8 | — | SSE 2 | ESE 3 | ESE 3 | E 3 | N 2 | NW 6 | NW 7 | WNW 7 | WNW 7 | WNW 6 |
| kJ | 9 | 130 | 318 | 844 | 645 | 371 | 200 | 114 | 19 | 45 | 48 | 100 | — | 1 | 3 | 10 | 3 | 2 | 260 | 381 | 419 | 383 | 303 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 221 | 267 | 196 | 269 | 267 | 255 | 278 | 278 | 286 | 284 | 159 | 159 | 159 | 35 | 78 | 38 | 267 | 269 | 6 | 38 | 286 | 278 | 502 |
Best forecast wave conditions in Anglesy | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
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