Surf Forecasts:
How big are the waves at Llanddwyn Island today (18 Jun):
- Morning surf: Morning surf (18 Jun, local time) - 3.5ft (1.0m), 5s period with SSW swell.
- Afternoon surf: Afternoon surf (18 Jun, local time) - 4.5ft (1.3m), 6s period with SSW swell.
- Evening surf: Evening surf (18 Jun, local time) - 4ft (1.2m), 6s period with SW swell.
The current surf forecast for Llanddwyn Island at 2PM is: 1.3m 5s primary swell from a South-southwest direction and 0.1m 9s secondary swell from a Southwest direction (forecast issued at 06:00am June 18). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jun) | 3.5ft (1.0m) | 5s |
| Afternoon (18 Jun) | 4.5ft (1.3m) | 6s |
| Evening (18 Jun) | 4ft (1.2m) | 6s |
Table - waves today at Llanddwyn Island. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 5mm), mostly falling on Thu afternoon. Very mild (max 17°C on Thu night, min 13°C on Sat morning). Winds decreasing (fresh winds from the S on Fri morning, calm by Sat night). | ||||||||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sun 21 | |||||||||||||||||||||
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 | 1 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SW 5 | SSW 4 | SSW 5 | SSW 5 | SW 6 | SW 6 | SW 6 | SW 6 | SSW 6 | SSW 6 | SSW 6 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 35 | 32 | 50 | 72 | 133 | 131 | 105 | 105 | 120 | 141 | 164 | 220 | 233 | 164 | 147 | 115 | 73 | 52 | 43 | 33 | 26 | 19 | 19 | 18 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross | cross | cross-on | glassy | glassy | cross-off |
High Tide | 12:26PM3.83m | 00:42AM4.24m | 1:22PM3.61m | 1:37AM4.08m | 2:21PM3.40m | |||||||||||||||||||
Low Tide | 6:56AM-0.17m | 7:11PM0.29m | 7:47AM-0.03m | 8:01PM0.48m | 8:40AM0.19m | 8:52PM0.71m | ||||||||||||||||||
 |  |  | |  | | | | | | | | | |  | | | |  | | | |  | | |
 | 4:50 | — | — | — | — | — | — | — | 4:50 | — | — | — | — | — | — | — | 4:50 | — | — | — | — | — | — | 4:50 |
 | — | — | — | — | — | 9:46 | — | — | — | — | — | — | — | 9:46 | — | — | — | — | — | — | — | 9:46 | — | 9:47 |
mm | — | — | — | — | 2 | — | — | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 13 | 14 | 15 | 16 | 16 | 16 | 17 | 16 | 16 | 16 | 16 | 17 | 15 | 15 | 15 | 14 | 14 | 14 | 13 | 14 | 16 | 16 | 16 | 15 |
Feels °C | 11 | 10 | 11 | 12 | 12 | 13 | 14 | 13 | 12 | 12 | 11 | 12 | 11 | 12 | 13 | 11 | 12 | 13 | 11 | 12 | 15 | 15 | 15 | 13 |
Swell 1 Height (m) Direction Period (s) | SW 5 | WSW 7 | WSW 9 | SW 9 | SW 9 | W 11 | — | SW 6 | W 11 | W 11 | W 11 | — | — | — | SW 7 | — | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 |
| kJ | 17 | 5 | 9 | 3 | 3 | 2 | — | 54 | 2 | 2 | 2 | — | — | — | 91 | — | 73 | 52 | 43 | 33 | 26 | 19 | 19 | 18 |
Swell 2 Height (m) Direction Period (s) | SW 10 | WSW 9 | SW 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 10 | — | WNW 3 | — | — | — |
| kJ | 4 | 9 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | 1 | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | SW 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | SW 5 | SSW 4 | SSW 5 | SSW 5 | SW 6 | SW 6 | SW 6 | SW 6 | SSW 6 | SSW 6 | SSW 6 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | — | — | — | WNW 3 | — | — | — | — |
| kJ | 35 | 32 | 50 | 72 | 133 | 131 | 105 | 105 | 120 | 141 | 164 | 220 | 233 | 164 | 147 | 115 | — | — | — | 2 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 169 | 169 | 169 | 267 | 267 | 169 | 169 | 187 | 185 | 185 | 187 | 254 | 118 | 78 | 169 | 110 | 164 | 35 | 35 | 314 | 314 | 162 | 151 | 151 |
Best forecast wave conditions in Anglesy | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
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