Surf Forecasts:
How big are the waves at Llanddwyn Island today (13 Sep):
- Morning surf: Morning surf (13 Sep, local time) - 2ft (0.6m), 6s period with SW swell.
- Afternoon surf: Afternoon surf (13 Sep, local time) - 1.5ft (0.5m), 6s period with SW swell.
- Evening surf: Evening surf (13 Sep, local time) - 1.5ft (0.4m), 6s period with SW swell.
The current surf forecast for Llanddwyn Island at 5PM is: 0.4m 6s primary swell from a Southwest direction (forecast issued at 12:00pm September 13). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Sep) | 2ft (0.6m) | 6s |
| Afternoon (13 Sep) | 1.5ft (0.5m) | 6s |
| Evening (13 Sep) | 1.5ft (0.4m) | 6s |
Table - waves today at Llanddwyn Island. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Mon night. Very mild (max 18°C on Sun morning, min 12°C on Tue night). Winds increasing (light winds from the NW on Sun morning, fresh winds from the SSW by Mon night). | |||||||||||||||||||||
Sun 13 | Monday 14 | Tuesday 15 | |||||||||||||||||||
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 | SW 6 | SW 6 | SW 6 | SW 6 | SW 4 | SW 5 | SW 5 | SW 4 | SW 5 | SW 6 | SW 6 | SW 6 | SW 6 | WSW 6 | WSW 5 | W 5 | WSW 5 | WSW 5 | SW 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 24 | 23 | 18 | 13 | 13 | 17 | 18 | 26 | 23 | 40 | 57 | 97 | 146 | 210 | 209 | 124 | 111 | 99 | 69 | 42 | 29 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross | cross |
High Tide | 11:16AM4.11m | 11:30PM4.39m | 11:50AM4.02m | 00:07AM4.16m | 12:24PM3.85m | ||||||||||||||||
Low Tide | 5:59PM0.01m | 6:23AM-0.01m | 6:35PM0.19m | 6:58AM0.30m | 7:12PM0.44m | ||||||||||||||||
 | | | |  | |  | |  | |  | |  |  | |  | | | | |  | |
 | 6:46 | — | — | — | — | — | 6:48 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — |
 | — | — | — | 7:38 | — | — | — | — | — | — | — | 7:37 | — | — | — | — | — | — | — | 7:34 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | — | — | — | 1 | — |
Temp °C | 17 | 18 | 18 | 17 | 17 | 17 | 16 | 16 | 17 | 15 | 17 | 17 | 17 | 17 | 16 | 15 | 14 | 15 | 16 | 15 | 15 |
Feels °C | 18 | 19 | 19 | 17 | 17 | 16 | 15 | 15 | 16 | 12 | 13 | 13 | 13 | 14 | 12 | 13 | 9 | 10 | 12 | 11 | 11 |
Swell 1 Height (m) Direction Period (s) | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | — | — | — | W 12 | — | — | — | — | — | — | — | — | — | — | — | SW 6 |
| kJ | 24 | 23 | 18 | 13 | 13 | — | — | — | 3 | — | — | — | — | — | — | — | — | — | — | — | 29 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | W 13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | SW 6 | SW 4 | SW 5 | SW 5 | SW 4 | SW 5 | SW 6 | SW 6 | SW 6 | SW 6 | WSW 6 | WSW 5 | W 5 | WSW 5 | WSW 5 | NW 4 |
| kJ | — | — | — | — | — | 17 | 18 | 26 | 23 | 40 | 57 | 97 | 146 | 210 | 209 | 124 | 111 | 99 | 69 | 42 | 18 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 211 | 267 | 164 | 164 | 267 | 267 | 267 | 169 | 267 | 267 | 267 | 272 | 267 | 284 | 284 | 313 | 594 | 284 | 532 | 532 | 164 |
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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