Surf Forecasts:
How big are the waves at Llanddwyn Island today (12 Sep):
- Morning surf: Morning surf (12 Sep, local time) - 6ft (1.9m), 6s period with SW swell.
- Afternoon surf: Afternoon surf (12 Sep, local time) - 6ft (1.9m), 7s period with SW swell.
- Evening surf: Evening surf (12 Sep, local time) - 5ft (1.5m), 7s period with SW swell.
The current surf forecast for Llanddwyn Island at 11AM is: 2.0m 7s primary swell from a Southwest direction (forecast issued at 06:00am September 12). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 Sep) | 6ft (1.9m) | 6s |
| Afternoon (12 Sep) | 6ft (1.9m) | 7s |
| Evening (12 Sep) | 5ft (1.5m) | 7s |
Table - waves today at Llanddwyn Island. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 22mm), heaviest during Sat morning. Very mild (max 18°C on Sun morning, min 14°C on Mon night). Winds decreasing (fresh winds from the SSW on Sat morning, calm by Sat night). | |||||||||||||||||||||||
Saturday 12 | Sunday 13 | Monday 14 | |||||||||||||||||||||
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 5 | SW 6 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SSW 4 | SW 5 | SW 5 | SW 5 | SW 5 | SW 6 | SW 6 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 84 | 212 | 347 | 432 | 313 | 204 | 206 | 96 | 57 | 43 | 25 | 23 | 13 | 14 | 13 | 6 | 7 | 35 | 50 | 52 | 106 | 181 | 177 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | on | on | on | on | glassy | glassy | cross-off | off | glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | on | on |
High Tide | 10:42AM4.11m | 10:54PM4.52m | 11:16AM4.11m | 11:30PM4.39m | 11:50AM4.02m | ||||||||||||||||||
Low Tide | 5:22PM-0.06m | 5:48AM-0.24m | 5:59PM0.01m | 6:23AM-0.01m | 6:35PM0.19m | ||||||||||||||||||
 |  | |  |  |  |  | |  |  | | | | | |  | | | | | | |  | |
 | 6:45 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:48 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:40 | — | — | — | — | — | — | — | 7:38 | — | — | — | — | — | — | — | 7:37 | — |
mm | — | 1 | 4 | 9 | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 |
Temp °C | 14 | 15 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 18 | 17 | 17 | 16 | 16 | 16 | 17 | 17 | 17 | 18 | 18 | 17 |
Feels °C | 7 | 9 | 11 | 11 | 14 | 15 | 17 | 18 | 18 | 16 | 16 | 18 | 16 | 17 | 15 | 15 | 14 | 16 | 15 | 15 | 14 | 14 | 13 |
Swell 1 Height (m) Direction Period (s) | — | — | — | — | — | — | SW 7 | SW 7 | SW 7 | SW 7 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | — | W 12 | — | — | — | — |
| kJ | — | — | — | — | — | — | 131 | 96 | 57 | 43 | 25 | 23 | 13 | 14 | 13 | 6 | 5 | — | 3 | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | NW 4 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | W 13 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 5 | SW 6 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | — | — | — | — | — | — | — | SSW 2 | SSW 3 | SSW 4 | SW 5 | SW 5 | SW 5 | SW 5 | SW 6 | SW 6 |
| kJ | 84 | 212 | 347 | 432 | 313 | 204 | 206 | — | — | — | — | — | — | — | 1 | 4 | 7 | 35 | 50 | 52 | 106 | 181 | 177 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 284 | 267 | 272 | 385 | 342 | 106 | 106 | 6 | 11 | 35 | 164 | 164 | 173 | 144 | 175 | 267 | 169 | 164 | 267 | 267 | 291 | 272 | 267 |
Best forecast wave conditions in Anglesy | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
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Recent Eyeball Surf Reports for Wales - Anglesy
‘Porth Neigwl: Choppy waves hadn't tidied much (from what I could see in the dark.’
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