Surf Forecasts:
How big are the waves at Llanddwyn Island today (22 Sep):
- Morning surf: Morning surf (22 Sep, local time) - 1.5ft (0.4m), 4s period with SW swell.
- Afternoon surf: Afternoon surf (22 Sep, local time) - 1.5ft (0.4m), 4s period with SW swell.
- Evening surf: Evening surf (22 Sep, local time) - 0.5ft (0.1m), 18s period with W swell.
The current surf forecast for Llanddwyn Island at 6PM is: 0.1m 12s primary swell from a West direction and 0.1m 6s secondary swell from a West direction, 0.3m 3s secondary swell from a Southwest direction (forecast issued at 12:00pm September 22). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Sep) | 1.5ft (0.4m) | 4s |
| Afternoon (22 Sep) | 1.5ft (0.4m) | 4s |
| Evening (22 Sep) | 0.5ft (0.1m) | 18s |
Table - waves today at Llanddwyn Island. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Tue night. Very mild (max 18°C on Tue night, min 12°C on Wed night). Wind will be generally light. | |||||||||||||||||||||
Tue 22 | Wednesday 23 | Thursday 24 | |||||||||||||||||||
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 4 | SW 4 | SW 4 | W 12 | W 18 | W 17 | W 16 | WSW 4 | WSW 4 | W 14 | W 13 | W 13 | WNW 3 | SW 4 | W 6 | SSE 3 | S 3 | SSW 4 | SSW 5 | SW 5 | SW 5 |
Wave Graph  | |||||||||||||||||||||
 kJ | 5 | 5 | 3 | 3 | 6 | 6 | 5 | 9 | 8 | 4 | 3 | 3 | 1 | 1 | 1 | 1 | 5 | 26 | 35 | 33 | 26 |
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 | on | cross | cross-off | cross-off | cross-off | off | off | cross-off | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 7:45AM2.94m | 7:57PM3.28m | 8:24AM3.18m | 8:32PM3.56m | 8:55AM3.43m | 9:01PM3.83m | |||||||||||||||
Low Tide | 1:57PM1.28m | 2:29AM0.97m | 2:38PM0.99m | 3:05AM0.65m | 3:14PM0.70m | ||||||||||||||||
 | |  | |  | | |  |  |  | | |  |  | | | | | | | | |
 | 7:01 | — | — | — | — | — | — | 7:03 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — |
 | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:12 | — |
mm | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 17 | 17 | 17 | 17 | 17 | 18 | 16 | 13 | 14 | 14 | 13 | 13 | 12 | 12 | 12 | 13 | 15 | 17 | 16 | 16 |
Feels °C | 15 | 16 | 16 | 17 | 16 | 16 | 16 | 14 | 9 | 10 | 10 | 11 | 12 | 10 | 10 | 9 | 9 | 10 | 13 | 13 | 14 |
Swell 1 Height (m) Direction Period (s) | — | — | W 6 | W 5 | W 5 | W 17 | W 16 | SW 15 | WSW 4 | SW 4 | WSW 4 | WNW 4 | N 4 | — | — | SW 6 | SW 6 | — | — | — | W 11 |
| kJ | — | — | 1 | 1 | 1 | 6 | 5 | 9 | 6 | 3 | 1 | 1 | 2 | — | — | 1 | 1 | — | — | — | 2 |
Swell 2 Height (m) Direction Period (s) | — | SW 6 | W 12 | W 12 | W 18 | W 12 | W 12 | — | SW 15 | W 14 | W 13 | SW 4 | WNW 3 | — | SW 4 | — | — | — | — | — | — |
| kJ | — | 1 | 3 | 3 | 6 | 3 | 3 | — | 8 | 4 | 3 | 1 | 1 | — | 1 | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | W 12 | W 12 | W 12 | W 12 | W 6 | W 12 | — | — | W 8 | — | W 13 | SW 4 | SW 4 | W 6 | — | W 11 | — | — | — | — |
| kJ | — | 3 | 3 | 3 | 3 | 1 | 3 | — | — | 1 | — | 3 | 1 | 1 | 1 | — | 2 | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 4 | SW 4 | SW 4 | SW 3 | SW 3 | SW 3 | WSW 4 | WSW 4 | NW 4 | NNW 4 | NNW 5 | NNW 5 | — | — | — | SSE 3 | S 3 | SSW 4 | SSW 5 | SW 5 | SW 5 |
| kJ | 5 | 5 | 3 | 2 | 2 | 3 | 5 | 8 | 6 | 15 | 12 | 4 | — | — | — | 1 | 5 | 26 | 35 | 33 | 26 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 171 | 162 | 175 | 162 | 162 | 164 | 164 | 175 | 164 | 175 | 175 | 175 | 150 | 151 | 172 | 169 | 218 | 218 | 221 | 218 | 256 |
Best forecast wave conditions in Anglesy | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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