Surf Forecasts:
How big are the waves at Llanddwyn Island today (30 Aug):
- Morning surf: Morning surf (30 Aug, local time) - 2ft (0.6m), 8s period with SW swell.
- Afternoon surf: Afternoon surf (30 Aug, local time) - 3ft (0.9m), 4s period with SSW swell.
- Evening surf: Evening surf (30 Aug, local time) - 3.5ft (1.0m), 7s period with SW swell.
The current surf forecast for Llanddwyn Island at 9AM is: 0.6m 8s primary swell from a Southwest direction and 0.5m 3s secondary swell from a South-southwest direction (forecast issued at 12:00am August 30). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Aug) | 2ft (0.6m) | 8s |
| Afternoon (30 Aug) | 3ft (0.9m) | 4s |
| Evening (30 Aug) | 3.5ft (1.0m) | 7s |
Table - waves today at Llanddwyn Island. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 7mm), mostly falling on Sun afternoon. Very mild (max 17°C on Sun morning, min 14°C on Sun night). Winds increasing (calm on Sat night, fresh winds from the WNW by Mon morning). | ||||||||||||||||||||||||
Sunday 30 | Monday 31 | Tuesday 1 | ||||||||||||||||||||||
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 9 | SW 9 | SW 9 | SW 8 | SSW 4 | SSW 4 | SW 5 | SW 7 | SW 8 | SW 8 | SW 8 | NW 6 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 7 | SW 7 | WSW 4 | SW 4 | SW 5 | SW 5 | SW 5 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 99 | 97 | 62 | 44 | 29 | 42 | 65 | 89 | 96 | 50 | 80 | 114 | 74 | 57 | 54 | 31 | 20 | 19 | 32 | 12 | 29 | 58 | 68 | 73 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross | cross | cross | cross-on | cross-on | on | on | on | on | on | on | on | on | cross-on |
High Tide | 11:00PM4.28m | 11:19AM3.92m | 11:30PM4.30m | 11:49AM3.93m | 00:03AM4.23m | 12:23PM3.87m | ||||||||||||||||||
Low Tide | 5:52AM0.00m | 6:01PM0.20m | 6:27AM0.05m | 6:37PM0.27m | 7:03AM0.19m | 7:16PM0.42m | ||||||||||||||||||
 | |  |  | | |  |  |  | |  | | |  | | | | | | | | | | | |
 | — | 6:22 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 8:12 | — | — | — | — | — | — | — | 8:09 | — | — | — | — | — | — | — | 8:07 | — |
mm | — | — | — | 1 | 1 | 3 | 1 | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 15 | 15 | 15 | 17 | 17 | 16 | 16 | 15 | 15 | 14 | 14 | 15 | 15 | 16 | 16 | 16 | 15 | 15 | 14 | 15 | 16 | 17 | 16 | 16 |
Feels °C | 15 | 14 | 13 | 14 | 13 | 12 | 13 | 13 | 14 | 10 | 10 | 10 | 10 | 12 | 14 | 14 | 13 | 13 | 11 | 11 | 12 | 13 | 12 | 13 |
Swell 1 Height (m) Direction Period (s) | SW 9 | SW 9 | SW 9 | SW 8 | — | — | WSW 9 | SW 7 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 7 | NW 4 | — | — | — | — | W 17 |
| kJ | 99 | 97 | 62 | 44 | — | — | 7 | 89 | 96 | 50 | 80 | 82 | 74 | 57 | 54 | 31 | 20 | 19 | 2 | — | — | — | — | 6 |
Swell 2 Height (m) Direction Period (s) | WNW 4 | WNW 3 | — | — | — | — | — | — | SW 4 | — | WSW 12 | — | — | — | NW 5 | NNW 5 | NW 4 | — | — | — | — | — | — | — |
| kJ | 1 | 1 | — | — | — | — | — | — | 9 | — | 14 | — | — | — | 10 | 2 | 1 | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | SW 3 | SSW 3 | SSW 4 | SSW 4 | SW 5 | — | — | W 4 | WNW 5 | NW 6 | NW 5 | WNW 5 | — | WNW 4 | WSW 3 | WSW 3 | SW 7 | WSW 4 | SW 4 | SW 5 | SW 5 | SW 5 |
| kJ | — | — | 2 | 6 | 29 | 42 | 65 | — | — | 18 | 69 | 114 | 67 | 27 | — | 3 | 4 | 4 | 32 | 12 | 29 | 58 | 68 | 73 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 35 | 108 | 95 | 306 | 295 | 295 | 263 | 108 | 35 | 340 | 159 | 284 | 320 | 35 | 35 | 35 | 35 | 239 | 175 | 177 | 332 | 255 | 267 | 267 |
Best forecast wave conditions in Anglesy | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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