Surf Forecasts:
How big are the waves at Llanddwyn Island today (31 Aug):
- Morning surf: Morning surf (31 Aug, local time) - 2.5ft (0.8m), 8s period with SW swell.
- Afternoon surf: Afternoon surf (31 Aug, local time) - 2.5ft (0.7m), 8s period with SW swell.
- Evening surf: Evening surf (31 Aug, local time) - 2ft (0.6m), 8s period with SW swell.
The current surf forecast for Llanddwyn Island at 11AM is: 0.8m 8s primary swell from a Southwest direction and 1.2m 5s secondary swell from a West-northwest direction (forecast issued at 06:00am August 31). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Aug) | 2.5ft (0.8m) | 8s |
| Afternoon (31 Aug) | 2.5ft (0.7m) | 8s |
| Evening (31 Aug) | 2ft (0.6m) | 8s |
Table - waves today at Llanddwyn Island. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 10mm), heaviest on Wed morning. Very mild (max 18°C on Wed afternoon, min 14°C on Mon morning). Mainly fresh winds. | |||||||||||||||||||||||
Monday 31 | Tuesday 1 | Wednesday 2 | |||||||||||||||||||||
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 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | WSW 7 | SW 7 | SW 4 | SW 4 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SSW 5 | SSW 6 | SW 6 | SW 6 | SW 6 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 88 | 95 | 80 | 69 | 72 | 57 | 31 | 28 | 36 | 30 | 13 | 29 | 49 | 65 | 53 | 31 | 18 | 25 | 64 | 148 | 147 | 161 | 161 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on |
High Tide | 11:49AM3.93m | 00:03AM4.23m | 12:23PM3.87m | 00:40AM4.07m | 1:01PM3.73m | ||||||||||||||||||
Low Tide | 6:27AM0.05m | 6:37PM0.27m | 7:03AM0.19m | 7:16PM0.42m | 7:43AM0.43m | 7:59PM0.63m | |||||||||||||||||
 |  |  | |  | |  | | | |  | | |  |  | |  | | | | | |  | |
 | 6:24 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — |
 | — | — | — | — | — | 8:09 | — | — | — | — | — | — | — | 8:07 | — | — | — | — | — | — | — | 8:05 | — |
mm | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 1 | — | — | 3 | 3 | — | — | — |
Temp °C | 14 | 15 | 14 | 15 | 16 | 16 | 16 | 15 | 15 | 15 | 16 | 16 | 17 | 17 | 16 | 16 | 16 | 16 | 15 | 17 | 18 | 17 | 17 |
Feels °C | 11 | 11 | 9 | 10 | 12 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 13 | 14 | 15 | 15 | 15 | 14 | 12 | 13 | 14 | 14 | 14 |
Swell 1 Height (m) Direction Period (s) | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | — | WNW 3 | — | — | — | — | SW 5 | SW 5 | — | W 16 | — | W 16 | — | — | — |
| kJ | 88 | 95 | 80 | 69 | 72 | 57 | 31 | 28 | — | 1 | — | — | — | — | 53 | 31 | — | 5 | — | 5 | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | WNW 3 | WNW 4 | WNW 5 | WNW 5 | WNW 5 | NW 4 | NW 4 | NW 4 | WSW 7 | SW 7 | SW 4 | SW 4 | SW 5 | SW 5 | — | — | SW 5 | SW 5 | SSW 5 | SSW 6 | SW 6 | SW 6 | SW 6 |
| kJ | 3 | 34 | 72 | 54 | 19 | 9 | 4 | 4 | 36 | 30 | 13 | 29 | 49 | 65 | — | — | 18 | 25 | 64 | 148 | 147 | 161 | 161 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 487 | 473 | 532 | 385 | 35 | 35 | 35 | 35 | 239 | 164 | 275 | 305 | 313 | 272 | 272 | 267 | 267 | 267 | 279 | 304 | 310 | 305 | 291 |
Best forecast wave conditions in Anglesy | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
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