Surf Forecasts:
How big are the waves at Llanddwyn Island today (21 Jul):
- Morning surf: Morning surf (21 Jul, local time) - 0.5ft (0.1m), 4s period with NW swell.
The current surf forecast for Llanddwyn Island at 3AM is: 0.1m 5s primary swell from a Northwest direction (forecast issued at 12:00am July 21). An open ocean swell of 0.2m 5s is not directed at the surf break, a second open ocean swell of 0.3m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jul) | 0.5ft (0.1m) | 4s |
| Afternoon (21 Jul) | - | - |
| Evening (21 Jul) | - | - |
Table - waves today at Llanddwyn Island. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 19°C on Thu afternoon, min 11°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||||||||||
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) | NNW 5 | NW 5 | NNW 5 | NNW 5 | NNW 3 | NNW 3 | NNW 3 | N 3 | W 16 | W 16 | NNW 7 | NW 6 | NW 6 | NW 4 | NNW 4 | NNW 3 | NNW 5 | NNW 6 | NNW 6 | NNW 5 | NNW 5 | NNW 3 | NNW 3 | NNW 3 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 5 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off |
High Tide | 2:51AM3.65m | 3:28PM3.18m | 3:49AM3.33m | 4:30PM3.04m | 4:56AM3.09m | 5:37PM2.97m | ||||||||||||||||||
Low Tide | 9:44AM0.78m | 9:59PM1.11m | 10:38AM1.10m | 11:03PM1.32m | 11:45AM1.31m | |||||||||||||||||||
 | |  | |  | | | | |  |  | | | | | | | | | | | | | | |
 | — | 5:16 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:30 | — | — | — | — | — | — | — | 9:28 | — | — | — | — | — | — | — | 9:27 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 13 | 12 | 14 | 15 | 16 | 15 | 13 | 12 | 11 | 11 | 14 | 17 | 18 | 18 | 15 | 14 | 13 | 13 | 15 | 17 | 18 | 19 | 17 |
Feels °C | 11 | 12 | 11 | 12 | 12 | 13 | 12 | 11 | 10 | 8 | 8 | 11 | 14 | 15 | 15 | 13 | 12 | 12 | 12 | 13 | 15 | 16 | 17 | 16 |
Swell 1 Height (m) Direction Period (s) | — | NNW 5 | NNW 3 | N 5 | — | — | — | — | W 16 | W 16 | — | NW 6 | — | — | — | — | NW 4 | — | — | — | — | — | — | — |
| kJ | — | 3 | 1 | 1 | — | — | — | — | 5 | 5 | — | 2 | — | — | — | — | 4 | — | — | — | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | — | NW 5 | N 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NNW 5 | NNW 3 | NNW 5 | NNW 5 | NNW 3 | NNW 3 | NNW 3 | N 3 | N 6 | NNW 7 | NNW 7 | NW 6 | NW 6 | NW 4 | NNW 4 | NNW 3 | NNW 5 | NNW 6 | NNW 6 | NNW 5 | NNW 5 | NNW 3 | NNW 3 | NNW 3 |
| kJ | 9 | 2 | 5 | 5 | 3 | 6 | 3 | 4 | 31 | 35 | 50 | 38 | 37 | 13 | 9 | 6 | 9 | 12 | 10 | 11 | 10 | 3 | 2 | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 331 | 286 | 287 | 251 | 251 | 251 | 1078 | 344 | 49 | 49 | 49 | 49 | 49 | 273 | 285 | 313 | 299 | 278 | 290 | 251 | 251 | 278 | 309 | 293 |
Best forecast wave conditions in Anglesy | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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