Surf Forecasts:
How big are the waves at Llanddwyn Island today (14 Sep):
- Morning surf: Morning surf (14 Sep, local time) - 2.5ft (0.7m), 5s period with SW swell.
- Afternoon surf: Afternoon surf (14 Sep, local time) - 3.5ft (1.0m), 5s period with SW swell.
- Evening surf: Evening surf (14 Sep, local time) - 5ft (1.5m), 6s period with SW swell.
The current surf forecast for Llanddwyn Island at 10PM is: 1.6m 6s primary swell from a Southwest direction (forecast issued at 12:00pm September 14). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Sep) | 2.5ft (0.7m) | 5s |
| Afternoon (14 Sep) | 3.5ft (1.0m) | 5s |
| Evening (14 Sep) | 5ft (1.5m) | 6s |
Table - waves today at Llanddwyn Island. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 15mm), heaviest on Mon night. Very mild (max 17°C on Mon morning, min 13°C on Tue night). Mainly fresh winds. | |||||||||||||||||||||
Mon 14 | Tuesday 15 | Wednesday 16 | |||||||||||||||||||
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 5 | SW 4 | SW 5 | SW 6 | SW 6 | SW 6 | SW 6 | WSW 6 | WSW 5 | WSW 5 | WSW 5 | SW 6 | SW 6 | NW 5 | NW 5 | NW 5 | NW 5 | WNW 5 | WNW 4 | W 4 | WSW 4 |
Wave Graph  | |||||||||||||||||||||
 kJ | 24 | 27 | 51 | 97 | 187 | 210 | 170 | 103 | 82 | 81 | 69 | 38 | 30 | 55 | 69 | 85 | 85 | 44 | 18 | 8 | 11 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross-on | on | on |
High Tide | 11:50AM4.02m | 00:07AM4.16m | 12:24PM3.85m | 00:44AM3.84m | 1:00PM3.60m | ||||||||||||||||
Low Tide | 6:35PM0.19m | 6:58AM0.30m | 7:12PM0.44m | 7:33AM0.66m | 7:49PM0.75m | ||||||||||||||||
 |  | | |  | |  |  | | |  | |  | |  |  | | | | | | |
 | 6:48 | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — |
 | — | — | — | 7:37 | — | — | — | — | — | — | — | 7:34 | — | — | — | — | — | — | — | 7:31 | — |
mm | — | — | — | — | 1 | 5 | 2 | — | — | — | 1 | 2 | — | — | — | 1 | 1 | — | — | — | — |
Temp °C | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 15 | 14 | 15 | 15 | 15 | 15 | 13 | 13 | 14 | 13 | 13 | 14 | 14 | 15 |
Feels °C | 16 | 15 | 13 | 14 | 13 | 13 | 14 | 13 | 9 | 9 | 10 | 11 | 12 | 8 | 8 | 10 | 8 | 9 | 10 | 11 | 10 |
Swell 1 Height (m) Direction Period (s) | W 12 | — | — | — | — | — | — | — | — | — | — | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 6 | SW 5 | SW 5 | NNW 5 | NNW 4 |
| kJ | 3 | — | — | — | — | — | — | — | — | — | — | 38 | 30 | 29 | 16 | 9 | 9 | 7 | 4 | 2 | 2 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | W 11 | W 11 | — | W 11 | W 11 | W 11 | W 11 | W 11 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 2 | — | 2 | 2 | 2 | 2 | 2 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 5 | SW 4 | SW 5 | SW 6 | SW 6 | SW 6 | SW 6 | WSW 6 | WSW 5 | WSW 5 | WSW 5 | NW 5 | NW 5 | NW 5 | NW 5 | NW 5 | NW 5 | WNW 5 | WNW 4 | W 4 | WSW 4 |
| kJ | 24 | 27 | 51 | 97 | 187 | 210 | 170 | 103 | 82 | 81 | 69 | 10 | 15 | 55 | 69 | 85 | 85 | 44 | 18 | 8 | 11 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 267 | 267 | 267 | 267 | 267 | 284 | 167 | 435 | 473 | 587 | 532 | 532 | 164 | 164 | 177 | 164 | 177 | 310 | 272 | 272 | 267 |
Best forecast wave conditions in Anglesy | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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