Surf Forecasts:
How big are the waves at Llanddwyn Island today (23 Sep):
- Morning surf: Morning surf (23 Sep, local time) - 2ft (0.6m), 4s period with WSW swell.
- Afternoon surf: Afternoon surf (23 Sep, local time) - 0.5ft (0.1m), 14s period with W swell.
- Evening surf: Evening surf (23 Sep, local time) - 0.5ft (0.2m), 4s period with WNW swell.
The current surf forecast for Llanddwyn Island at 3PM is: 0.1m 14s primary swell from a West direction and 0.3m 4s secondary swell from a Southwest direction (forecast issued at 06:00am September 23). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Sep) | 2ft (0.6m) | 4s |
| Afternoon (23 Sep) | 0.5ft (0.1m) | 14s |
| Evening (23 Sep) | 0.5ft (0.2m) | 4s |
Table - waves today at Llanddwyn Island. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Wed morning. Very mild (max 16°C on Thu afternoon, min 10°C on Fri night). Wind will be generally light. | |||||||||||||||||||||||
Wednesday 23 | Thursday 24 | Friday 25 | |||||||||||||||||||||
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) | W 16 | WSW 4 | WSW 4 | SW 4 | W 13 | NW 4 | WNW 4 | SW 4 | SW 4 | SW 6 | S 3 | SSW 4 | SSW 5 | SW 5 | SW 5 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 16 | SW 16 | SW 15 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 5 | 9 | 12 | 4 | 3 | 4 | 1 | 1 | 1 | 1 | 5 | 25 | 33 | 23 | 25 | 23 | 23 | 16 | 10 | 10 | 10 | 10 | 8 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-off | cross-off | cross-off | off | glassy | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 8:24AM3.18m | 8:32PM3.56m | 8:55AM3.43m | 9:01PM3.83m | 9:23AM3.66m | 9:29PM4.06m | |||||||||||||||||
Low Tide | 2:38PM0.99m | 3:05AM0.65m | 3:14PM0.70m | 3:39AM0.35m | 3:48PM0.45m | ||||||||||||||||||
 |  |  |  | | |  | | | | | | | |  | | |  |  | | | | | |
 | — | 7:03 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — |
 | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:12 | — | — | — | — | — | — | — | 7:09 | — |
mm | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | 1 | 1 |
Temp °C | 17 | 15 | 13 | 14 | 14 | 13 | 13 | 12 | 12 | 12 | 13 | 14 | 16 | 16 | 15 | 15 | 16 | 13 | 12 | 12 | 12 | 11 | 10 |
Feels °C | 15 | 14 | 9 | 10 | 10 | 11 | 12 | 10 | 10 | 9 | 9 | 8 | 11 | 13 | 12 | 13 | 14 | 10 | 9 | 9 | 9 | 7 | 7 |
Swell 1 Height (m) Direction Period (s) | W 16 | SW 15 | WSW 4 | SW 4 | SW 4 | NW 4 | WNW 4 | — | SW 4 | SW 6 | — | W 7 | — | — | W 11 | — | W 19 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 | SW 4 |
| kJ | 5 | 9 | 12 | 4 | 3 | 4 | 1 | — | 1 | 1 | — | 1 | — | — | 2 | — | 7 | 16 | 9 | 4 | 3 | 1 | 1 |
Swell 2 Height (m) Direction Period (s) | W 12 | — | SW 15 | W 14 | W 13 | NNW 5 | NNW 4 | — | — | — | — | — | — | — | — | — | — | SW 18 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 |
| kJ | 3 | — | 8 | 4 | 3 | 2 | 2 | — | — | — | — | — | — | — | — | — | — | 12 | 10 | 10 | 10 | 10 | 8 |
Swell 3 Height (m) Direction Period (s) | — | — | — | W 8 | — | WSW 4 | SW 4 | SW 4 | — | — | W 11 | — | — | — | — | — | — | W 11 | W 10 | W 10 | W 10 | W 9 | SW 9 |
| kJ | — | — | — | 1 | — | 2 | 1 | 1 | — | — | 2 | — | — | — | — | — | — | 2 | 2 | 2 | 2 | 2 | 3 |
Wind waves Height (m) Direction Period (s) | SW 3 | WSW 4 | NNW 3 | NW 4 | NW 4 | NNW 4 | — | — | — | SSE 2 | S 3 | SSW 4 | SSW 5 | SW 5 | SW 5 | SW 4 | SW 4 | — | — | NW 3 | NNW 3 | NNW 2 | NNW 3 |
| kJ | 3 | 8 | 4 | 19 | 16 | 13 | — | — | — | 1 | 5 | 25 | 33 | 23 | 25 | 23 | 23 | — | — | 2 | 1 | 1 | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 164 | 299 | 164 | 175 | 175 | 150 | 150 | 151 | 169 | 169 | 218 | 172 | 172 | 218 | 254 | 221 | 106 | 38 | 151 | 151 | 159 | 177 | 267 |
Best forecast wave conditions in Anglesy | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
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