Surf Forecasts:
How big are the waves at Llanddwyn Island today (29 Sep):
- Afternoon surf: Afternoon surf (29 Sep, local time) - 4.5ft (1.3m), 5s period with SSE swell.
- Evening surf: Evening surf (29 Sep, local time) - 5ft (1.5m), 5s period with S swell.
The current surf forecast for Llanddwyn Island at 9PM is: 1.5m 5s primary swell from a South direction and 0.3m 8s secondary swell from a Southwest direction (forecast issued at 06:00pm September 29). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Sep) | - | - |
| Afternoon (29 Sep) | 4.5ft (1.3m) | 5s |
| Evening (29 Sep) | 5ft (1.5m) | 5s |
Table - waves today at Llanddwyn Island. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 34mm), heaviest during Tue night. Warm (max 22°C on Tue afternoon, min 13°C on Wed night). Winds decreasing (strong winds from the S on Wed morning, light winds from the SW by Wed night). | |||||||||||||||||||
Tue 29 | Wednesday 30 | Thursday 1 | |||||||||||||||||
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) | SSE 5 | S 5 | S 5 | SW 9 | SW 10 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 10 | SW 5 | SW 6 |
Wave Graph  | |||||||||||||||||||
 kJ | 85 | 114 | 120 | 269 | 880 | 716 | 738 | 932 | 972 | 963 | 773 | 606 | 505 | 462 | 368 | 328 | 271 | 92 | 138 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | cross | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | cross-on | cross-on | cross-on |
High Tide | 11:39PM4.28m | 11:58AM4.06m | 00:19AM4.07m | 12:39PM3.87m | |||||||||||||||
Low Tide | 6:15PM0.12m | 6:39AM0.16m | 6:57PM0.27m | 7:22AM0.44m | 7:45PM0.50m | ||||||||||||||
 |  |  |  |  | |  | | |  | | | | |  | | |  | | |
 | — | — | — | — | — | 7:16 | — | — | — | — | — | — | — | 7:16 | — | — | — | — | — |
 | — | 7:00 | — | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:54 | — | — |
mm | — | — | — | 4 | 8 | 2 | — | — | — | 1 | 1 | 1 | 1 | 1 | 1 | — | — | — | — |
Temp °C | 22 | 21 | 20 | 18 | 15 | 15 | 16 | 16 | 16 | 15 | 14 | 14 | 14 | 13 | 14 | 15 | 15 | 15 | 14 |
Feels °C | 16 | 16 | 16 | 13 | 10 | 10 | 9 | 9 | 9 | 9 | 10 | 11 | 11 | 10 | 10 | 11 | 10 | 9 | 8 |
Swell 1 Height (m) Direction Period (s) | — | — | SW 8 | SW 9 | — | SW 11 | — | — | — | — | — | — | SW 11 | SW 11 | — | SW 11 | — | — | WSW 10 |
| kJ | — | — | 10 | 269 | — | 716 | — | — | — | — | — | — | 268 | 268 | — | 328 | — | — | 38 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SSE 5 | S 5 | S 5 | SSE 4 | SW 10 | — | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | — | SW 10 | SW 5 | SW 6 |
| kJ | 85 | 114 | 120 | 42 | 880 | — | 738 | 932 | 972 | 963 | 773 | 606 | 505 | 462 | 368 | — | 271 | 92 | 138 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 884 | 497 | 497 | 980 | 435 | 95 | 286 | 278 | 279 | 279 | 78 | 78 | 78 | 78 | 95 | 273 | 278 | 239 | 95 |
Best forecast wave conditions in Anglesy | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
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