- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Llandanwg surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 6 pm Tuesday 16 Sep 2025 BST
How big are the waves at Llandanwg today?
The current surf forecast for Llandanwg at 12AM is: 1.0m 5s primary swell from a Southwest direction and 0.9m 5s secondary swell from a West-southwest direction (forecast issued at 06:00pm September 16). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | 6.5ft (2.0m) | 8s |
| Afternoon (17 Sep) | 6ft (1.8m) | 9s |
| Evening (17 Sep) | 5.5ft (1.7m) | 7s |
Table - waves today at Llandanwg. (Swell directed towards the surf break)
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| 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 | 4 AM | 7 AM | 10 AM | 1 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 6 | 5 | 5 | 5 | 5 | 7 | 8 | 8 | 9 | 7 | 7 | 6 | 12 | 5 | 7 | 7 | 8 | 8 | 8 | 7 | 7 | 7 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 58 | 42 | 52 | 55 | 28 | 392 | 485 | 439 | 493 | 340 | 259 | 124 | 256 | 103 | 292 | 365 | 385 | 337 | 269 | 231 | 231 | 194 | 200 | 177 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | on | on | cross- on | cross | on | on | on | on | on | on | on | cross- on | cross- on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 4:13PM 3.14 | 5:10AM 3.00 | 5:42PM 3.34 | 6:23AM 3.24 | 6:43PM 3.68 | 7:13AM 3.53 | ||||||||||||||||||
Low Tide / height (m) | 12:05AM 1.17 | 12:37PM 1.28 | 1:16AM 0.87 | 1:37PM 0.97 | 2:09AM 0.56 | |||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:54 | - | - | - | - | - | - | - | 6:56 | - | - |
| Sunset | - | 7:30 | - | - | - | - | - | - | - | 7:28 | - | - | - | - | - | - | - | 7:25 | - | - | - | - | - | - |
 | |  | |  |  | |  | |  |  |  | | | | | |  |  | | | | | | |
Rain (mm) | 1 | 1 | 1 | 3 | 7 | 15 | 1 | - | - | - | - | - | 2 | 4 | 4 | 1 | - | - | - | - | - | - | - | - |
| Temp. °C | 14 | 14 | 14 | 13 | 13 | 16 | 17 | 17 | 17 | 15 | 15 | 15 | 14 | 15 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 18 |
| Feels °C (?) | 10 | 10 | 10 | 10 | 9 | 11 | 12 | 13 | 13 | 11 | 11 | 12 | 12 | 13 | 13 | 12 | 13 | 13 | 14 | 14 | 14 | 15 | 14 | 15 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Wales - Mid
Recent cross-onshore wind has turned cross-shore at Llandanwg (light winds from the SSE at Caernarfon 27 km from Llandanwg). 0.9m 5s windswell from the SW with a 0.2m 9s swell from the WSW and a 0.2m 9s swell from the W. 3 swells combining to make bigger set waves.
27 km away, 29 min ago
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Llandanwg surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest