Surf Forecasts:
How big are the waves at Llanddwyn Island today (07 Sep):
- Morning surf: Morning surf (07 Sep, local time) - 1ft (0.3m), 14s period with WSW swell.
- Afternoon surf: Afternoon surf (07 Sep, local time) - 4.5ft (1.3m), 5s period with SW swell.
- Evening surf: Evening surf (07 Sep, local time) - 6ft (1.9m), 6s period with SW swell.
The current surf forecast for Llanddwyn Island at 3AM is: 1.3m 6s primary swell from a Southwest direction and 1.1m 6s secondary swell from a Southwest direction, 0.1m 16s secondary swell from a Southwest direction (forecast issued at 12:00am September 07). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 Sep) | 1ft (0.3m) | 14s |
| Afternoon (07 Sep) | 4.5ft (1.3m) | 5s |
| Evening (07 Sep) | 6ft (1.9m) | 6s |
Table - waves today at Llanddwyn Island. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 6mm), mostly falling on Mon night. Very mild (max 17°C on Sun night, min 12°C on Mon night). Winds decreasing (strong winds from the SW on Mon night, light winds from the SW by Wed afternoon). | ||||||||||||||||||||||||
Monday 7 | Tuesday 8 | Wednesday 9 | ||||||||||||||||||||||
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 6 | SW 6 | SW 5 | WSW 14 | SW 13 | SW 5 | SW 6 | SW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 5 | W 5 | W 5 | W 5 | WNW 6 | NW 6 | NW 6 | NW 6 | NW 6 | NW 5 | SW 8 | SW 8 | SW 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 97 | 67 | 42 | 41 | 215 | 73 | 181 | 342 | 277 | 154 | 136 | 84 | 88 | 106 | 104 | 155 | 196 | 184 | 143 | 77 | 36 | 21 | 9 | 9 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross | cross-on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-off | cross-off | cross | cross-on | on | cross-on |
High Tide | 6:46AM3.12m | 7:12PM3.41m | 7:58AM3.37m | 8:11PM3.77m | 8:48AM3.63m | 8:58PM4.11m | ||||||||||||||||||
Low Tide | 00:57AM0.99m | 1:29PM1.03m | 2:07AM0.62m | 2:30PM0.70m | 3:02AM0.22m | 3:19PM0.38m | ||||||||||||||||||
 |  |  |  | | |  | | | |  | | |  | |  | | | | | | | |  | |
 | — | 6:35 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:39 | — | — | — | — | — | — |
 | — | — | — | — | — | — | 7:52 | — | — | — | — | — | — | — | 7:51 | — | — | — | — | — | — | — | 7:49 | — |
mm | — | 1 | — | — | — | — | 1 | 2 | 1 | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 17 | 15 | 15 | 15 | 16 | 16 | 16 | 15 | 13 | 13 | 12 | 13 | 14 | 15 | 15 | 14 | 14 | 14 | 14 | 13 | 14 | 14 | 14 | 13 |
Feels °C | 14 | 12 | 13 | 12 | 11 | 11 | 10 | 8 | 9 | 9 | 8 | 7 | 7 | 8 | 8 | 6 | 7 | 8 | 9 | 9 | 11 | 11 | 12 | 10 |
Swell 1 Height (m) Direction Period (s) | W 17 | SW 6 | SW 5 | WSW 14 | NW 4 | NNW 4 | — | — | — | WSW 12 | — | — | — | — | — | — | SW 6 | WSW 6 | WSW 6 | SW 8 | SW 8 | SW 8 | WNW 4 | WNW 4 |
| kJ | 6 | 67 | 42 | 41 | 4 | 2 | — | — | — | 13 | — | — | — | — | — | — | 31 | 27 | 15 | 10 | 15 | 15 | 5 | 2 |
Swell 2 Height (m) Direction Period (s) | — | SW 16 | WSW 15 | WSW 10 | — | — | — | — | — | WSW 11 | — | — | — | — | — | — | — | SW 10 | — | SW 6 | WSW 6 | — | SW 8 | SW 8 |
| kJ | — | 10 | 21 | 9 | — | — | — | — | — | 25 | — | — | — | — | — | — | — | 4 | — | 6 | 3 | — | 9 | 9 |
Swell 3 Height (m) Direction Period (s) | — | SW 12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NNW 5 | NNW 5 |
| kJ | — | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 2 |
Wind waves Height (m) Direction Period (s) | SW 6 | — | — | WSW 5 | SW 13 | SW 5 | SW 6 | SW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 5 | W 5 | W 5 | W 5 | WNW 6 | NW 6 | NW 6 | NW 6 | NW 6 | NW 5 | NW 4 | — | — |
| kJ | 97 | — | — | 30 | 215 | 73 | 181 | 342 | 277 | 154 | 136 | 84 | 88 | 106 | 104 | 155 | 196 | 184 | 143 | 77 | 36 | 21 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 334 | 169 | 284 | 222 | 35 | 35 | 272 | 310 | 291 | 310 | 284 | 164 | 159 | 284 | 497 | 641 | 608 | 608 | 594 | 328 | 164 | 164 | 175 | 35 |
Best forecast wave conditions in Anglesy | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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