Surf Forecasts:
How big are the waves at Llanddwyn Island today (18 Jul):
- Morning surf: Morning surf (18 Jul, local time) - 0.5ft (0.1m), 12s period with W swell.
- Afternoon surf: Afternoon surf (18 Jul, local time) - 0.5ft (0.1m), 5s period with SW swell.
- Evening surf: Evening surf (18 Jul, local time) - 0.5ft (0.1m), 11s period with W swell.
The current surf forecast for Llanddwyn Island at 5AM is: 0.1m 11s primary swell from a West direction and 0.1m 6s secondary swell from a Southwest direction (forecast issued at 12:00am July 18). An open ocean swell of 0.3m 2s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jul) | 0.5ft (0.1m) | 12s |
| Afternoon (18 Jul) | 0.5ft (0.1m) | 5s |
| Evening (18 Jul) | 0.5ft (0.1m) | 11s |
Table - waves today at Llanddwyn Island. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 17°C on Fri night, min 13°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | ||||||||||||||||||||||
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 13 | W 11 | W 11 | SW 6 | SW 6 | SW 5 | W 11 | W 11 | W 11 | W 11 | NNW 4 | NNW 4 | — | NW 3 | NW 3 | NNW 3 | NNW 3 | NNW 2 | NNW 5 | NNW 5 | NNW 3 | NNW 4 | NNW 4 | NNW 4 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 6 | 2 | 3 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 0 | 0 | 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 | off | off | glassy | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off |
High Tide | 00:25AM4.44m | 12:58PM3.76m | 1:12AM4.25m | 1:45PM3.57m | 2:00AM3.97m | 2:34PM3.37m | ||||||||||||||||||
Low Tide | 7:25AM-0.16m | 7:35PM0.30m | 8:10AM0.10m | 8:19PM0.55m | 8:56AM0.43m | 9:06PM0.83m | ||||||||||||||||||
 | |  | | | | | |  | | | |  | | |  | | | |  | | | | | |
 | — | 5:11 | — | — | — | — | — | — | — | 5:13 | — | — | — | — | — | — | — | 5:15 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 9:34 | — | — | — | — | — | — | — | 9:31 | — | — | — | — | — | — | — | 9:30 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 16 | 13 | 13 | 14 | 15 | 17 | 17 | 16 | 16 | 16 | 15 | 15 | 16 | 17 | 16 | 16 | 14 | 13 | 13 | 13 | 15 | 16 | 17 | 16 |
Feels °C | 14 | 11 | 11 | 11 | 11 | 13 | 14 | 14 | 14 | 14 | 14 | 13 | 14 | 14 | 13 | 13 | 12 | 12 | 11 | 10 | 12 | 13 | 14 | 14 |
Swell 1 Height (m) Direction Period (s) | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 5 | S 5 | W 11 | NNW 5 | NNW 4 | NNW 4 | — | — | — | — | — | — | — | — | N 5 | — | — | — | — |
| kJ | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 4 | 2 | 2 | — | — | — | — | — | — | — | — | 1 | — | — | — | — |
Swell 2 Height (m) Direction Period (s) | SW 13 | W 11 | W 11 | — | — | — | W 11 | — | W 11 | W 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 6 | 2 | 3 | — | — | — | 2 | — | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | N 3 | N 2 | NNW 3 | NNW 3 | NW 4 | NNW 4 | NNW 4 | N 4 | ENE 2 | — | — | NNW 4 | — | NW 3 | NW 3 | NNW 3 | NNW 3 | NNW 2 | NNW 5 | NNW 5 | NNW 3 | NNW 4 | NNW 4 | NNW 4 |
| kJ | 1 | 1 | 1 | 4 | 15 | 20 | 16 | 7 | 1 | — | — | 2 | — | 2 | 2 | 3 | 2 | 1 | 8 | 11 | 7 | 12 | 13 | 4 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 289 | 361 | 286 | 286 | 286 | 286 | 286 | 286 | 251 | 275 | 292 | 286 | 286 | 339 | 286 | 273 | 273 | 273 | 273 | 286 | 286 | 331 | 391 | 273 |
Best forecast wave conditions in Anglesy | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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