- Forecast
- Maps
- Live
- Weather State
- Spot Information
Surf Forecasts:
Llandanwg surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 6 pm Tuesday 12 May 2026 BSTForecast update in hr min s Forecast update imminent
Llandanwg surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Llandanwg sea temperature is
12.5° C
(Which is 2.1°C warmer than normal for this time of year)How big are the waves at Llandanwg today?
The current surf forecast for Llandanwg at 11PM is: 0.8m 4s primary swell from a West direction and 0.1m 8s secondary swell from a Southwest direction (forecast issued at 06:00pm May 12). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 May) | - | - |
| Afternoon (12 May) | 2.5ft (0.8m) | 4s |
| Evening (12 May) | 2ft (0.6m) | 4s |
Table - waves today at Llandanwg. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 10mm), heaviest on Tue night. Very mild (max 12°C on Tue afternoon, min 7°C on Thu night). Winds decreasing (strong winds from the WNW on Tue night, light winds from the N by Thu night). | ||||||||||||||||||||||||
Tue 12 | Wednesday 13 | Thursday 14 | Fri 15 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NW 4 | W 4 | W 4 | W 5 | W 6 | WNW 6 | WNW 7 | NW 7 | NW 6 | NW 6 | WSW 7 | NW 6 | NW 7 | NW 7 | NW 6 | NW 6 | NW 5 | W 15 | W 14 | NW 6 | NW 6 | NW 6 | NW 6 | NW 5 | |
20 | 9 | 9 | 70 | 141 | 219 | 298 | 214 | 124 | 86 | 17 | 151 | 215 | 149 | 75 | 103 | 65 | 4 | 4 | 30 | 47 | 32 | 31 | 29 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 5:33PM3.20m | 5:50AM3.63m | 6:23PM3.57m | 6:39AM3.98m | 7:09PM3.96m | 7:26AM4.31m | ||||||||||||||||||
Low Tide | 00:17AM1.16m | 12:54PM0.73m | 1:11AM0.91m | 1:43PM0.50m | 2:01AM0.66m | |||||||||||||||||||
 | |  | |  |  | |  | |  |  | | | | | | | | |  | | | | | |
 | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:18 | — | — | — |
 | — | 9:00 | — | — | — | — | — | — | — | 9:02 | — | — | — | — | — | — | — | 9:05 | — | — | — | — | — | 9:06 |
— | — | — | — | 1 | 2 | 1 | 1 | 1 | — | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | 1 | — | |
Temp °C | 12 | 12 | 10 | 9 | 8 | 8 | 8 | 10 | 11 | 10 | 8 | 8 | 8 | 9 | 9 | 9 | 10 | 11 | 8 | 8 | 7 | 8 | 9 | 11 |
6 | 7 | 5 | 1 | -1 | -1 | -1 | 1 | 3 | 4 | 3 | 1 | 2 | 3 | 3 | 4 | 5 | 6 | 4 | 5 | 4 | 4 | 4 | 5 | |
Swell 1 Height (m) Direction Period (s) | SW 8 | SW 8 | SW 8 | — | — | — | — | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 6 | W 16 | W 16 | W 15 | W 15 | W 15 | W 14 | WSW 5 | — | W 14 | W 14 | W 14 | W 14 |
 kJ | 3 | 3 | 3 | — | — | — | — | 46 | 43 | 27 | 17 | 4 | 5 | 5 | 5 | 4 | 4 | 4 | 3 | — | 4 | 4 | 4 | 4 |
Swell 2 Height (m) Direction Period (s) | — | W 18 | — | — | — | — | — | W 16 | W 16 | W 16 | W 16 | W 16 | — | W 16 | W 16 | — | — | W 15 | W 14 | W 14 | — | W 6 | — | — |
| kJ | — | 6 | — | — | — | — | — | 5 | 5 | 5 | 5 | 5 | — | 5 | 5 | — | — | 4 | 4 | 4 | — | 1 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 4 | W 4 | W 4 | W 5 | W 6 | WNW 6 | WNW 7 | NW 7 | NW 6 | NW 6 | NW 5 | NW 6 | NW 7 | NW 7 | NW 6 | NW 6 | NW 5 | NW 5 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | NW 5 |
| kJ | 20 | 9 | 9 | 70 | 141 | 219 | 298 | 214 | 124 | 86 | 65 | 151 | 215 | 149 | 75 | 103 | 65 | 45 | 26 | 30 | 47 | 32 | 31 | 29 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 387 | 282 | 294 | 285 | 289 | 289 | 632 | 927 | 1544 | 644 | 572 | 572 | 293 | 293 | 301 | 302 | 319 | 318 | 25 | 137 | 39 | 321 | 333 | 333 |
Best forecast wave conditions in Mid Wales | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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