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 12PM is: 0.6m 6s primary swell from a Southwest direction (forecast issued at 06:00am September 13). The wind direction is predicted to be cross-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 8mm), mostly falling on Mon night. Very mild (max 17°C on Sun morning, min 13°C on Tue night). Winds increasing (light winds from the WNW on Sun morning, fresh winds from the SSW by Mon night). | |||||||||||||||||||||||
Sunday 13 | Monday 14 | Tuesday 15 | |||||||||||||||||||||
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 7 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 4 | SW 5 | SW 5 | SW 4 | SW 5 | SW 5 | SW 6 | SW 6 | SW 6 | SW 6 | WSW 6 | WSW 5 | W 5 | WSW 5 | NW 4 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 52 | 39 | 24 | 23 | 18 | 13 | 13 | 28 | 17 | 22 | 23 | 22 | 41 | 94 | 161 | 210 | 184 | 112 | 88 | 75 | 52 | 31 | 24 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | glassy | cross | cross-on | on | cross-on | cross-on | 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 | 3 | 1 | 1 | — | — | 1 | 1 | — |
Temp °C | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 15 | 16 | 17 | 16 | 17 | 17 | 17 | 17 | 16 | 15 | 14 | 14 | 15 | 16 | 14 |
Feels °C | 18 | 18 | 17 | 17 | 17 | 17 | 15 | 15 | 13 | 15 | 16 | 12 | 13 | 14 | 13 | 13 | 13 | 13 | 9 | 9 | 11 | 12 | 10 |
Swell 1 Height (m) Direction Period (s) | SW 7 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | — | — | — | W 12 | — | — | — | — | — | — | SW 6 | — | — | — | — | SW 6 |
| kJ | 52 | 39 | 24 | 23 | 18 | 13 | 13 | — | — | — | 3 | — | — | — | — | — | — | 112 | — | — | — | — | 24 |
Swell 2 Height (m) Direction Period (s) | WNW 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | SSW 3 | SW 6 | SW 4 | SW 5 | SW 5 | SW 4 | SW 5 | SW 5 | SW 6 | SW 6 | SW 6 | — | WSW 6 | WSW 5 | W 5 | WSW 5 | NW 4 |
| kJ | — | — | — | — | — | — | 1 | 28 | 17 | 22 | 23 | 22 | 41 | 94 | 161 | 210 | 184 | — | 88 | 75 | 52 | 31 | 24 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 35 | 35 | 211 | 255 | 267 | 267 | 267 | 267 | 267 | 169 | 267 | 267 | 267 | 267 | 267 | 291 | 272 | 35 | 532 | 284 | 608 | 532 | 164 |
Best forecast wave conditions in Anglesy | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
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‘Porth Neigwl: Choppy waves hadn't tidied much (from what I could see in the dark.’
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