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Surf Forecasts:
Llandanwg surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 6 am Wednesday 13 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
12.7° 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 1PM is: 1.7m 7s primary swell from a West-northwest direction and 0.1m 16s secondary swell from a West direction (forecast issued at 06:00am May 13). The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 May) | 5.5ft (1.7m) | 6s |
| Afternoon (13 May) | 4.5ft (1.3m) | 6s |
| Evening (13 May) | 1.5ft (0.4m) | 6s |
Table - waves today at Llandanwg. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 8mm), mostly falling on Wed morning. Very mild (max 11°C on Wed afternoon, min 7°C on Thu night). Winds decreasing (strong winds from the NW on Wed morning, calm by Fri night). | ||||||||||||||||||||||||
Wednesday 13 | Thursday 14 | Friday 15 | Sat 16 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
W 6 | WNW 6 | WNW 7 | WNW 7 | NW 6 | WSW 7 | WSW 6 | NW 6 | NW 7 | NW 7 | NW 6 | NW 6 | NW 5 | W 14 | NW 5 | NW 6 | NW 6 | NW 6 | NW 6 | NW 6 | NW 4 | W 14 | NW 4 | NW 4 | |
139 | 212 | 261 | 234 | 124 | 26 | 16 | 167 | 195 | 131 | 113 | 107 | 68 | 4 | 22 | 18 | 19 | 62 | 27 | 30 | 26 | 4 | 6 | 2 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross | glassy | |
High Tide | 5:50AM3.63m | 6:23PM3.57m | 6:39AM3.98m | 7:09PM3.96m | 7:26AM4.31m | 7:52PM4.29m | ||||||||||||||||||
Low Tide | 12:54PM0.73m | 1:11AM0.91m | 1:43PM0.50m | 2:01AM0.66m | 2:29PM0.33m | |||||||||||||||||||
 |  | |  | | |  |  | | | | | |  | | | | | | | | |  | | |
 | 5:22 | — | — | — | — | — | — | — | 5:20 | — | — | — | — | — | — | — | 5:18 | — | — | — | — | — | — | 5:18 |
 | — | — | — | — | — | 9:02 | — | — | — | — | — | — | — | 9:05 | — | — | — | — | — | — | — | 9:06 | — | 9:07 |
1 | 1 | 1 | 1 | 1 | 1 | — | — | — | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 9 | 8 | 8 | 10 | 11 | 10 | 8 | 8 | 8 | 8 | 9 | 9 | 10 | 10 | 8 | 7 | 7 | 7 | 10 | 10 | 11 | 10 | 8 | 7 |
1 | -1 | -2 | 1 | 3 | 3 | 1 | 1 | 1 | 3 | 2 | 2 | 4 | 5 | 4 | 4 | 4 | 3 | 5 | 4 | 4 | 4 | 4 | 4 | |
Swell 1 Height (m) Direction Period (s) | — | — | — | W 16 | WSW 7 | WSW 7 | WSW 6 | WSW 6 | W 16 | W 16 | W 16 | W 15 | W 15 | W 14 | W 5 | NW 6 | NW 6 | NW 6 | NW 6 | W 14 | W 14 | W 14 | NW 4 | NW 4 |
 kJ | — | — | — | 5 | 42 | 26 | 16 | 4 | 5 | 5 | 5 | 4 | 4 | 4 | 1 | 18 | 19 | 36 | 27 | 4 | 4 | 4 | 6 | 2 |
Swell 2 Height (m) Direction Period (s) | — | — | — | — | W 16 | W 16 | W 16 | W 16 | — | — | — | — | — | — | W 14 | W 14 | — | W 6 | W 6 | W 6 | — | — | W 13 | — |
| kJ | — | — | — | — | 5 | 5 | 5 | 5 | — | — | — | — | — | — | 4 | 4 | — | 1 | 1 | 1 | — | — | 4 | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 5 | W 14 | W 14 | W 14 | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 4 | 4 | 4 | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | W 6 | WNW 6 | WNW 7 | WNW 7 | NW 6 | NW 5 | NW 5 | NW 6 | NW 7 | NW 7 | NW 6 | NW 6 | NW 5 | NW 5 | NW 5 | — | — | NW 6 | — | NW 6 | NW 4 | NW 4 | NW 5 | — |
| kJ | 139 | 212 | 261 | 234 | 124 | 83 | 69 | 167 | 195 | 131 | 113 | 107 | 68 | 35 | 22 | — | — | 62 | — | 30 | 26 | 23 | 23 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 285 | 294 | 632 | 644 | 897 | 1032 | 572 | 572 | 292 | 293 | 1029 | 1271 | 301 | 301 | 27 | 138 | 333 | 10 | 333 | 317 | 301 | 282 | 60 | 282 |
Best forecast wave conditions in Mid Wales | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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