Surf Forecasts:
How big are the waves at Llanddwyn Island today (29 Aug):
- Morning surf: Morning surf (29 Aug, local time) - 2.5ft (0.7m), 6s period with SW swell.
- Afternoon surf: Afternoon surf (29 Aug, local time) - 1.5ft (0.5m), 6s period with SW swell.
- Evening surf: Evening surf (29 Aug, local time) - 2ft (0.6m), 8s period with SW swell.
The current surf forecast for Llanddwyn Island at 9AM is: 0.7m 6s primary swell from a Southwest direction and 0.3m 3s secondary swell from a Southeast direction (forecast issued at 12:00am August 29). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Aug) | 2.5ft (0.7m) | 6s |
| Afternoon (29 Aug) | 1.5ft (0.5m) | 6s |
| Evening (29 Aug) | 2ft (0.6m) | 8s |
Table - waves today at Llanddwyn Island. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 11mm), heaviest on Sat morning. Very mild (max 17°C on Sun morning, min 13°C on Mon morning). Winds increasing (light winds from the WSW on Sat night, fresh winds from the SSW by Sun afternoon). | ||||||||||||||||||||||||
Saturday 29 | Sunday 30 | Monday 31 | ||||||||||||||||||||||
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 | 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 5 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 8 | SW 10 | SW 9 | SW 9 | SW 8 | SSW 4 | SW 6 | SW 6 | SW 7 | SW 8 | SW 8 | W 5 | WNW 6 | SW 8 | SW 8 | SW 8 | SW 4 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 26 | 28 | 43 | 30 | 30 | 18 | 19 | 66 | 110 | 120 | 93 | 35 | 37 | 123 | 116 | 118 | 116 | 149 | 102 | 101 | 69 | 69 | 63 | 29 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross | off | cross-off | cross-off | cross | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross | cross | cross | on | cross-on | on |
High Tide | 10:32PM4.18m | 10:51AM3.84m | 11:00PM4.28m | 11:19AM3.92m | 11:30PM4.30m | 11:49AM3.93m | ||||||||||||||||||
Low Tide | 5:18AM0.06m | 5:26PM0.21m | 5:52AM0.00m | 6:01PM0.20m | 6:27AM0.05m | 6:37PM0.27m | ||||||||||||||||||
 |  |  |  | |  |  | | |  |  | | |  | |  | | | | | | | | | |
 | — | 6:20 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:15 | — | — | — | — | — | — | — | 8:12 | — | — | — | — | — | — | — | 8:09 | — |
mm | — | — | — | 1 | 2 | 1 | — | — | — | — | — | 1 | 2 | 2 | 1 | 1 | — | — | — | — | — | — | — | — |
Temp °C | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 17 | 17 | 17 | 16 | 14 | 14 | 14 | 14 | 13 | 15 | 16 | 16 | 16 |
Feels °C | 15 | 14 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 13 | 13 | 14 | 13 | 12 | 13 | 12 | 12 | 10 | 9 | 7 | 10 | 13 | 13 | 14 |
Swell 1 Height (m) Direction Period (s) | — | — | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 8 | SW 10 | SW 9 | SW 9 | SW 8 | — | — | — | SW 7 | — | SW 8 | SW 8 | SW 6 | SW 8 | SW 8 | NW 5 | NNW 5 |
| kJ | — | — | 43 | 30 | 30 | 18 | 19 | 66 | 110 | 120 | 93 | 35 | — | — | — | 118 | — | 149 | 54 | 39 | 69 | 69 | 7 | 2 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | WSW 10 | NNW 3 | — | — | — | — | — | — | — | — | — | — | SW 8 | — | NW 5 | — | — |
| kJ | — | — | — | — | — | — | — | 10 | 1 | — | — | — | — | — | — | — | — | — | — | 32 | — | 19 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 5 | SW 5 | — | SE 3 | SE 3 | — | NNW 3 | — | — | WSW 4 | SW 4 | SSW 3 | SSW 4 | SW 6 | SW 6 | — | SW 8 | WNW 4 | W 5 | WNW 6 | WNW 5 | — | SW 8 | SW 4 |
| kJ | 26 | 28 | — | 1 | 2 | — | 1 | — | — | 8 | 7 | 8 | 37 | 123 | 116 | — | 116 | 11 | 102 | 101 | 61 | — | 63 | 29 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 278 | 211 | 273 | 211 | 150 | 213 | 167 | 110 | 35 | 108 | 108 | 216 | 295 | 295 | 308 | 35 | 35 | 159 | 284 | 284 | 159 | 159 | 272 | 164 |
Best forecast wave conditions in Anglesy | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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