Surf Forecasts:
How big are the waves at Llanddwyn Island today (19 Aug):
- Morning surf: Morning surf (19 Aug, local time) - 2.5ft (0.8m), 4s period with WSW swell.
- Afternoon surf: Afternoon surf (19 Aug, local time) - 2ft (0.6m), 4s period with SW swell.
- Evening surf: Evening surf (19 Aug, local time) - 3.5ft (1.0m), 5s period with SW swell.
The current surf forecast for Llanddwyn Island at 1PM is: 0.6m 4s primary swell from a West-southwest direction and 0.4m 4s secondary swell from a Northwest direction, 0.1m 16s secondary swell from a West direction (forecast issued at 06:00am August 19). The wind direction is predicted to be onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Aug) | 2.5ft (0.8m) | 4s |
| Afternoon (19 Aug) | 2ft (0.6m) | 4s |
| Evening (19 Aug) | 3.5ft (1.0m) | 5s |
Table - waves today at Llanddwyn Island. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 12mm), heaviest on Wed night. Very mild (max 17°C on Wed afternoon, min 12°C on Thu night). Wind will be generally light. | |||||||||||||||||||||||
Wednesday 19 | Thursday 20 | Friday 21 | |||||||||||||||||||||
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 4 | WSW 4 | WSW 4 | WSW 4 | SW 4 | SW 5 | SW 5 | WSW 5 | SW 5 | SW 5 | SW 6 | SW 7 | SW 6 | SW 6 | SW 6 | SW 6 | SW 14 | NW 5 | NW 4 | NW 4 | W 4 | SW 13 | W 16 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 16 | 28 | 21 | 12 | 14 | 42 | 53 | 53 | 41 | 22 | 18 | 21 | 15 | 10 | 8 | 8 | 8 | 17 | 13 | 9 | 3 | 7 | 7 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off |
High Tide | 2:29PM3.25m | 2:56AM3.21m | 3:26PM3.00m | 4:05AM2.90m | 4:46PM2.83m | ||||||||||||||||||
Low Tide | 8:54AM0.92m | 9:10PM1.10m | 9:40AM1.27m | 10:08PM1.38m | 10:45AM1.54m | ||||||||||||||||||
 |  | |  |  | | | | |  | | | | |  | | |  | | | | | | |
 | 6:03 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — |
 | — | — | — | — | — | 8:37 | — | — | — | — | — | — | — | 8:35 | — | — | — | — | — | — | — | 8:32 | — |
mm | 1 | 2 | 1 | — | — | 1 | 1 | 1 | 2 | 2 | 2 | 1 | — | — | — | — | — | — | — | 1 | — | — | — |
Temp °C | 15 | 15 | 15 | 16 | 17 | 16 | 15 | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 13 | 12 | 12 | 12 | 13 | 14 | 16 | 15 | 13 |
Feels °C | 12 | 13 | 12 | 13 | 13 | 12 | 13 | 12 | 12 | 13 | 10 | 11 | 10 | 11 | 10 | 8 | 9 | 10 | 11 | 11 | 13 | 11 | 10 |
Swell 1 Height (m) Direction Period (s) | NW 4 | W 17 | W 16 | NW 4 | WNW 4 | NW 4 | W 16 | W 16 | SW 5 | SW 5 | SW 6 | SW 7 | SW 6 | SW 6 | SW 6 | SW 6 | WSW 6 | SW 6 | SW 6 | SW 5 | W 4 | SW 5 | SW 13 |
| kJ | 3 | 6 | 5 | 4 | 2 | 1 | 5 | 5 | 41 | 22 | 18 | 21 | 15 | 10 | 6 | 5 | 3 | 1 | 1 | 1 | 3 | 1 | 7 |
Swell 2 Height (m) Direction Period (s) | W 17 | — | W 16 | W 16 | — | — | — | — | W 15 | W 15 | W 15 | W 14 | W 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | W 13 | NNW 4 | SW 13 | SW 5 |
| kJ | 6 | — | 5 | 5 | — | — | — | — | 5 | 4 | 4 | 4 | 4 | 8 | 8 | 8 | 8 | 7 | 7 | 3 | 2 | 7 | 1 |
Swell 3 Height (m) Direction Period (s) | W 17 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 8 | — | — | — | SW 5 | — | W 16 |
| kJ | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | 1 | — | 5 |
Wind waves Height (m) Direction Period (s) | SW 4 | WSW 4 | WSW 4 | WSW 4 | SW 4 | SW 5 | SW 5 | WSW 5 | NW 4 | NW 4 | NW 5 | NNW 4 | NNW 4 | NNW 4 | NNW 4 | NNW 4 | NNW 5 | NW 5 | NW 4 | NW 4 | NW 4 | NW 4 | NNW 4 |
| kJ | 16 | 28 | 21 | 12 | 14 | 42 | 53 | 53 | 8 | 9 | 25 | 26 | 23 | 16 | 8 | 11 | 18 | 17 | 13 | 9 | 2 | 8 | 16 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 171 | 175 | 267 | 267 | 255 | 255 | 255 | 308 | 35 | 159 | 164 | 177 | 819 | 177 | 175 | 175 | 175 | 175 | 175 | 286 | 286 | 286 | 273 |
Best forecast wave conditions in Anglesy | |||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||||
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