Surf Forecasts:
How big are the waves at Llanddwyn Island today (28 Sep):
- Afternoon surf: Afternoon surf (28 Sep, local time) - 2ft (0.6m), 7s period with SW swell.
- Evening surf: Evening surf (28 Sep, local time) - 1.5ft (0.4m), 7s period with SW swell.
The current surf forecast for Llanddwyn Island at 10PM is: 0.4m 7s primary swell from a Southwest direction and 0.1m 12s secondary swell from a West direction (forecast issued at 06:00pm September 28). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Sep) | - | - |
| Afternoon (28 Sep) | 2ft (0.6m) | 7s |
| Evening (28 Sep) | 1.5ft (0.4m) | 7s |
Table - waves today at Llanddwyn Island. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 21mm), heaviest during Tue night. Warm (max 21°C on Tue afternoon, min 12°C on Mon night). Winds increasing (light winds from the SSE on Mon afternoon, strong winds from the S by Wed morning). | |||||||||||||||||||
Mon 28 | Tuesday 29 | Wednesday 30 | |||||||||||||||||
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 7 | SW 7 | SW 7 | SW 7 | SE 4 | SW 6 | SE 4 | SE 4 | SSE 4 | SSE 5 | SSW 6 | SW 8 | SW 10 | SW 10 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 |
Wave Graph  | |||||||||||||||||||
 kJ | 18 | 17 | 16 | 7 | 8 | 6 | 14 | 28 | 50 | 66 | 67 | 233 | 872 | 651 | 862 | 1070 | 1089 | 963 | 729 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 11:02PM4.37m | 11:22AM4.15m | 11:39PM4.28m | 11:58AM4.06m | |||||||||||||||
Low Tide | 5:36PM0.07m | 5:59AM-0.02m | 6:15PM0.12m | 6:39AM0.16m | 6:57PM0.27m | ||||||||||||||
 | |  |  | | |  | | |  |  | |  | | |  | |  | | |
 | — | — | — | — | — | 7:13 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — |
 | — | 7:02 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | 6:58 | — | — |
mm | — | — | — | — | — | — | — | — | — | 1 | 1 | 3 | 6 | 4 | — | 1 | 1 | 1 | 2 |
Temp °C | 15 | 15 | 15 | 14 | 13 | 12 | 15 | 18 | 21 | 20 | 19 | 18 | 17 | 15 | 16 | 16 | 16 | 15 | 14 |
Feels °C | 12 | 12 | 11 | 10 | 10 | 9 | 11 | 14 | 17 | 16 | 15 | 14 | 12 | 11 | 9 | 8 | 10 | 10 | 11 |
Swell 1 Height (m) Direction Period (s) | SW 7 | SW 7 | SW 7 | SW 7 | SW 6 | S 4 | SW 6 | SW 6 | — | SW 5 | SSW 6 | SW 8 | — | SW 10 | SW 11 | — | — | — | SW 11 |
| kJ | 18 | 17 | 16 | 7 | 7 | 6 | 6 | 6 | — | 5 | 67 | 233 | — | 651 | 169 | — | — | — | 431 |
Swell 2 Height (m) Direction Period (s) | — | W 12 | W 12 | W 12 | W 12 | SW 6 | W 12 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 3 | 3 | 3 | 3 | 6 | 3 | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | W 12 | W 12 | — | — | — | W 12 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 3 | 3 | — | — | — | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | SE 3 | SE 4 | ESE 3 | SE 4 | SE 4 | SSE 4 | SSE 5 | SSE 4 | SSE 5 | SW 10 | — | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 |
| kJ | — | — | — | 3 | 8 | 4 | 14 | 28 | 50 | 66 | 42 | 63 | 872 | — | 862 | 1070 | 1089 | 963 | 729 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 150 | 151 | 172 | 185 | 185 | 226 | 434 | 434 | 603 | 497 | 818 | 936 | 239 | 38 | 339 | 279 | 279 | 239 | 78 |
Best forecast wave conditions in Anglesy | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
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