Surf Forecasts:
How big are the waves at Llanddwyn Island today (25 Sep):
- Morning surf: Morning surf (25 Sep, local time) - 0.5ft (0.2m), 16s period with WSW swell.
- Afternoon surf: Afternoon surf (25 Sep, local time) - 0.5ft (0.2m), 16s period with WSW swell.
- Evening surf: Evening surf (25 Sep, local time) - 1.5ft (0.4m), 4s period with SW swell.
The current surf forecast for Llanddwyn Island at 7PM is: 0.1m 15s primary swell from a Southwest direction and 0.3m 5s secondary swell from a Southwest direction (forecast issued at 12:00pm September 25). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Sep) | 0.5ft (0.2m) | 16s |
| Afternoon (25 Sep) | 0.5ft (0.2m) | 16s |
| Evening (25 Sep) | 1.5ft (0.4m) | 4s |
Table - waves today at Llanddwyn Island. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 11mm), heaviest on Sun night. Very mild (max 16°C on Sat afternoon, min 12°C on Sun night). Wind will be generally light. | |||||||||||||||||||||
Fri 25 | Saturday 26 | Sunday 27 | |||||||||||||||||||
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) | WSW 16 | WSW 16 | WSW 16 | SW 15 | SW 14 | SW 4 | WSW 5 | WSW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SSW 6 | SW 6 | SSW 6 | SSW 6 | SW 7 | SW 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 25 | 25 | 24 | 9 | 8 | 18 | 27 | 28 | 47 | 55 | 65 | 71 | 73 | 72 | 64 | 81 | 52 | 104 | 150 | 215 | 102 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | on | cross-on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-off |
High Tide | 9:23AM3.66m | 9:29PM4.06m | 9:50AM3.87m | 9:58PM4.25m | 10:18AM4.03m | ||||||||||||||||
Low Tide | 3:48PM0.45m | 4:12AM0.11m | 4:23PM0.24m | 4:46AM-0.05m | 4:58PM0.11m | ||||||||||||||||
 | | |  |  | | | |  | | | | | |  |  | |  | | |  | |
 | 7:07 | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:11 | — | — | — | — | — |
 | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:07 | — | — | — | — | — | — | — | 7:05 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 3 | 5 |
Temp °C | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 15 | 15 | 16 | 15 | 14 | 14 | 13 | 13 | 14 | 13 | 13 | 14 | 13 |
Feels °C | 13 | 13 | 12 | 11 | 11 | 11 | 11 | 10 | 11 | 10 | 11 | 12 | 11 | 10 | 9 | 9 | 9 | 8 | 8 | 13 | 10 |
Swell 1 Height (m) Direction Period (s) | SW 5 | SW 4 | SW 5 | — | SW 14 | SW 13 | SW 9 | W 12 | — | W 15 | — | W 14 | W 14 | W 14 | W 13 | W 13 | SW 6 | W 13 | W 13 | W 13 | SW 7 |
| kJ | 13 | 7 | 3 | — | 8 | 7 | 3 | 3 | — | 4 | — | 4 | 4 | 4 | 4 | 3 | 52 | 3 | 3 | 3 | 102 |
Swell 2 Height (m) Direction Period (s) | NW 3 | NW 4 | WNW 4 | SW 15 | SW 9 | W 13 | W 12 | W 9 | — | — | — | — | — | — | W 13 | — | — | — | — | — | W 13 |
| kJ | 2 | 2 | 1 | 9 | 3 | 4 | 3 | 2 | — | — | — | — | — | — | 4 | — | — | — | — | — | 3 |
Swell 3 Height (m) Direction Period (s) | WSW 16 | WSW 16 | WSW 16 | W 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 25 | 25 | 24 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | SW 5 | SW 3 | SW 4 | WSW 5 | WSW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SW 5 | SSW 6 | S 4 | SSW 6 | SSW 6 | SW 7 | NW 4 |
| kJ | — | — | — | 4 | 3 | 18 | 27 | 28 | 47 | 55 | 65 | 71 | 73 | 72 | 64 | 81 | 14 | 104 | 150 | 215 | 14 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 151 | 159 | 159 | 159 | 159 | 159 | 164 | 164 | 177 | 239 | 275 | 239 | 169 | 169 | 169 | 169 | 169 | 169 | 110 | 38 | 106 |
Best forecast wave conditions in Anglesy | |||||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||||
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