Surf Forecasts:
How big are the waves at Llanddwyn Island today (10 Sep):
- Morning surf: Morning surf (10 Sep, local time) - 4ft (1.2m), 5s period with SSW swell.
- Afternoon surf: Afternoon surf (10 Sep, local time) - 6ft (1.9m), 6s period with SW swell.
- Evening surf: Evening surf (10 Sep, local time) - 4.5ft (1.4m), 7s period with SW swell.
The current surf forecast for Llanddwyn Island at 7AM is: 0.9m 5s primary swell from a South-southwest direction and 0.1m 8s secondary swell from a Southwest direction (forecast issued at 12:00am September 10). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (10 Sep) | 4ft (1.2m) | 5s |
| Afternoon (10 Sep) | 6ft (1.9m) | 6s |
| Evening (10 Sep) | 4.5ft (1.4m) | 7s |
Table - waves today at Llanddwyn Island. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 9mm), mostly falling on Thu afternoon. Very mild (max 18°C on Sat afternoon, min 13°C on Wed night). Winds decreasing (strong winds from the SSW on Thu morning, light winds from the WSW by Fri afternoon). | ||||||||||||||||||||||||
Thursday 10 | Friday 11 | Saturday 12 | ||||||||||||||||||||||
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 8 | SW 4 | SSW 5 | SSW 5 | SW 6 | SW 7 | SW 7 | SW 7 | WSW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 6 | SW 6 | SW 4 | SW 5 | SW 6 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 9 | 18 | 37 | 74 | 202 | 357 | 247 | 158 | 127 | 73 | 52 | 35 | 28 | 21 | 14 | 19 | 36 | 90 | 205 | 312 | 331 | 275 | 215 | 214 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | glassy |
High Tide | 9:29AM3.86m | 9:39PM4.37m | 10:06AM4.03m | 10:17PM4.51m | 10:42AM4.11m | |||||||||||||||||||
Low Tide | 3:49AM-0.10m | 4:02PM0.12m | 4:31AM-0.30m | 4:43PM-0.03m | 5:10AM-0.34m | 5:22PM-0.06m | ||||||||||||||||||
 | |  | |  | | |  |  | |  | | |  | |  | | | | | | | |  | |
 | — | 6:41 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:45 | — | — | — | — | — | — | — | 7:44 | — | — | — | — | — | — | — | 7:40 | — |
mm | — | — | — | — | 1 | 2 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | — | 1 | 1 |
Temp °C | 14 | 13 | 14 | 15 | 16 | 16 | 16 | 17 | 16 | 15 | 14 | 14 | 14 | 14 | 14 | 13 | 14 | 15 | 16 | 16 | 17 | 18 | 17 | 16 |
Feels °C | 10 | 8 | 9 | 9 | 9 | 11 | 13 | 15 | 13 | 14 | 12 | 11 | 12 | 13 | 12 | 10 | 10 | 9 | 10 | 11 | 13 | 14 | 15 | 17 |
Swell 1 Height (m) Direction Period (s) | SW 8 | — | SW 8 | — | — | — | — | — | — | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 6 | WSW 8 | — | — | — | — | — | — | — | SW 7 |
| kJ | 9 | — | 2 | — | — | — | — | — | — | 73 | 52 | 35 | 28 | 21 | 14 | 6 | — | — | — | — | — | — | — | 140 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 4 | NW 4 | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 2 | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 3 | SW 4 | SSW 5 | SSW 5 | SW 6 | SW 7 | SW 7 | SW 7 | WSW 7 | NW 4 | NW 4 | NW 4 | NW 4 | — | — | SW 6 | SW 4 | SW 5 | SW 6 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 |
| kJ | 3 | 18 | 37 | 74 | 202 | 357 | 247 | 158 | 127 | 4 | 4 | 7 | 5 | — | — | 19 | 36 | 90 | 205 | 312 | 331 | 275 | 215 | 214 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 175 | 283 | 263 | 302 | 302 | 110 | 110 | 35 | 263 | 164 | 29 | 164 | 35 | 35 | 144 | 273 | 267 | 284 | 272 | 305 | 381 | 385 | 284 | 6 |
Best forecast wave conditions in Anglesy | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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