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 WSW swell.
- Afternoon surf: Afternoon surf (21 Oct, local time) - 8ft (2.4m), 7s 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 8PM is: 2.0m 7s primary swell from a West direction (forecast issued at 12:00pm 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 (2.4m) | 7s |
| Evening (21 Oct) | 5ft (1.6m) | 6s |
Table - waves today at Llanddwyn Island. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 26mm), heaviest during Thu night. Very mild (max 11°C on Thu morning, min 8°C on Fri morning). Mainly near gales. | |||||||||||||||||||||
Wed 21 | Thursday 22 | Friday 23 | |||||||||||||||||||
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) | WSW 6 | W 7 | W 7 | W 7 | W 6 | SW 6 | SW 7 | SW 7 | WSW 8 | WSW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | NW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 300 | 707 | 569 | 366 | 202 | 91 | 77 | 60 | 149 | 120 | 100 | 80 | 64 | 41 | 37 | 64 | 471 | 598 | 512 | 408 | 372 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | on | cross-on | cross-off | cross-off | cross-off | 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 | — | — | — | — | — | — | 3 | 3 | 5 | 5 | 2 | 1 | — | 1 |
Temp °C | 9 | 9 | 10 | 10 | 10 | 9 | 9 | 9 | 10 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 8 | 9 | 10 | 10 | 10 |
Feels °C | 0 | -1 | 0 | 2 | 4 | 5 | 4 | 4 | 5 | 7 | 7 | 6 | 6 | 6 | 7 | 8 | -4 | -3 | -2 | -1 | 0 |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | SW 6 | SW 7 | SW 7 | — | NW 4 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 11 | SW 11 | — | — | — |
| kJ | — | — | — | — | — | 91 | 77 | 60 | — | 4 | 100 | 80 | 64 | 41 | 37 | 64 | 237 | 140 | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | WNW 6 | — | — | — | — | NW 4 | NW 4 | NW 4 | — | SSE 4 | SW 20 | WSW 16 | — | — | — | — |
| kJ | — | — | — | — | — | 22 | — | — | — | — | 3 | 2 | 1 | — | 3 | 15 | 162 | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 14 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WSW 6 | W 7 | W 7 | W 7 | W 6 | — | WNW 5 | WNW 4 | WSW 8 | WSW 8 | — | — | ESE 2 | SE 3 | ENE 3 | N 3 | NW 7 | WNW 7 | WNW 7 | WNW 7 | WNW 7 |
| kJ | 300 | 707 | 569 | 366 | 202 | — | 16 | 12 | 149 | 120 | — | — | 1 | 9 | 1 | 4 | 471 | 598 | 512 | 408 | 372 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 267 | 272 | 278 | 288 | 311 | 35 | 159 | 35 | 35 | 159 | 78 | 6 | 267 | 213 | 11 | 95 | 279 | 273 | 289 | 605 | 605 |
Best forecast wave conditions in Anglesy | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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