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Surf Forecasts:
Llandanwg surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 12 pm Monday 11 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 2.2°C warmer than normal for this time of year)How big are the waves at Llandanwg today?
The current surf forecast for Llandanwg at 8PM is: 0.1m 9s primary swell from a West direction (forecast issued at 12:00pm May 11). An open ocean swell of 0.6m 4s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 May) | 2.5ft (0.8m) | 4s |
| Afternoon (11 May) | - | - |
| Evening (11 May) | 1ft (0.3m) | 4s |
Table - waves today at Llandanwg. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 7mm), mostly falling on Mon morning. Very mild (max 12°C on Tue afternoon, min 6°C on Mon night). Winds increasing (calm on Mon night, strong winds from the WNW by Tue night). | ||||||||||||||||||||||||
Mon 11 | Tuesday 12 | Wednesday 13 | Thu 14 | |||||||||||||||||||||
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 | 4 AM | 7 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NW 5 | NW 5 | W 9 | W 9 | NW 4 | W 9 | W 9 | SW 9 | WNW 3 | NW 4 | NW 4 | WNW 4 | W 4 | WNW 4 | W 6 | WNW 6 | WNW 7 | WNW 6 | WNW 6 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | |
30 | 22 | 1 | 1 | 2 | 1 | 2 | 3 | 6 | 24 | 29 | 14 | 7 | 52 | 136 | 198 | 289 | 216 | 140 | 115 | 128 | 146 | 183 | 167 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | glassy | cross-on | cross-on | cross-on | cross | cross-on | on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | |
High Tide | 4:28PM2.89m | 4:52AM3.32m | 5:33PM3.20m | 5:50AM3.63m | 6:23PM3.57m | 6:39AM3.98m | ||||||||||||||||||
Low Tide | 11:03AM1.23m | 11:17PM1.37m | 12:02PM0.99m | 00:17AM1.16m | 12:54PM0.73m | 1:11AM0.91m | ||||||||||||||||||
 |  | | |  |  |  |  |  | | | | | |  | | |  | | | | | | | |
 | 5:26 | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:20 | — |
 | — | — | — | 9:00 | — | — | — | — | — | — | — | 9:00 | — | — | — | — | — | — | — | 9:02 | — | — | — | 9:05 |
1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | 1 | 1 | — | — | — | — | |
Temp °C | 9 | 11 | 11 | 10 | 7 | 6 | 7 | 9 | 9 | 11 | 12 | 11 | 11 | 9 | 9 | 8 | 8 | 10 | 10 | 10 | 9 | 8 | 8 | 8 |
4 | 6 | 5 | 5 | 3 | 3 | 4 | 6 | 4 | 4 | 6 | 6 | 4 | 1 | 0 | -1 | -1 | 1 | 2 | 3 | 1 | 0 | 1 | 1 | |
Swell 1 Height (m) Direction Period (s) | — | — | W 9 | W 9 | NW 4 | WNW 3 | W 9 | SW 9 | SW 9 | SW 9 | SW 9 | SW 8 | SW 8 | — | — | — | — | — | W 16 | WSW 7 | WSW 7 | WSW 6 | W 16 | W 16 |
 kJ | — | — | 1 | 1 | 2 | 1 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | — | — | — | — | — | 5 | 26 | 18 | 4 | 5 | 5 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | W 9 | W 9 | — | — | — | — | — | W 18 | W 18 | — | — | — | — | — | — | W 16 | W 16 | W 16 | — | — |
| kJ | — | — | — | — | 1 | 1 | — | — | — | — | — | 6 | 6 | — | — | — | — | — | — | 5 | 5 | 5 | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | NW 5 | NW 5 | NW 4 | NW 4 | NNW 4 | — | — | WNW 2 | WNW 3 | NW 4 | NW 4 | WNW 4 | W 4 | WNW 4 | W 6 | WNW 6 | WNW 7 | WNW 6 | WNW 6 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 |
| kJ | 30 | 22 | 12 | 13 | 13 | — | — | 1 | 6 | 24 | 29 | 14 | 7 | 52 | 136 | 198 | 289 | 216 | 140 | 115 | 128 | 146 | 183 | 167 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 307 | 351 | 301 | 301 | 282 | 226 | 217 | 226 | 294 | 329 | 1038 | 299 | 294 | 285 | 285 | 294 | 644 | 851 | 1045 | 1216 | 844 | 572 | 632 | 632 |
Best forecast wave conditions in Mid Wales | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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