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Surf Forecasts:
Llandanwg surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 6 pm Thursday 23 Apr 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
10.9° C
(Which is 1.8°C warmer than normal for this time of year)How big are the waves at Llandanwg today?
The current surf forecast for Llandanwg at 12AM is: 0.4m 10s primary swell from a Southwest direction (forecast issued at 06:00pm April 23). The wind direction is predicted to be cross-offshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (24 Apr) | 1.5ft (0.5m) | 11s |
| Afternoon (24 Apr) | 1.5ft (0.5m) | 11s |
| Evening (24 Apr) | 1.5ft (0.5m) | 11s |
Table - waves today at Llandanwg. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Very mild (max 18°C on Fri afternoon, min 9°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thu 23 | Friday 24 | Saturday 25 | Sun 26 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
WSW 10 | SW 10 | SW 10 | SW 10 | SW 10 | WSW 11 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | SW 10 | SW 9 | SW 9 | SW 9 | SW 9 | |
11 | 25 | 24 | 24 | 24 | 45 | 66 | 59 | 58 | 57 | 57 | 57 | 55 | 55 | 56 | 44 | 42 | 39 | 38 | 24 | 22 | 21 | 20 | 20 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | glassy | cross | cross-off | cross-off | cross-off | cross-off | glassy | cross-on | cross-on | glassy | cross-off | cross-off | cross-off | cross-off | cross-on | on | |
High Tide | 1:18PM3.43m | 1:45AM3.57m | 2:31PM3.06m | 3:06AM3.35m | 4:04PM2.95m | 4:36AM3.38m | ||||||||||||||||||
Low Tide | 8:42PM1.30m | 9:36AM1.05m | 10:02PM1.39m | 10:57AM1.03m | 11:22PM1.31m | 12:11PM0.87m | ||||||||||||||||||
 | |  | | | | | | | | |  |  |  | | |  | | | | | | | | |
 | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:54 | — | — | — |
 | — | 8:29 | — | — | — | — | — | — | — | 8:30 | — | — | — | — | — | — | — | 8:31 | — | — | — | — | — | 8:34 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 16 | 15 | 12 | 10 | 9 | 9 | 13 | 16 | 18 | 16 | 13 | 11 | 11 | 11 | 13 | 15 | 16 | 15 | 13 | 12 | 12 | 12 | 13 | 14 |
12 | 12 | 9 | 7 | 5 | 5 | 9 | 13 | 16 | 14 | 10 | 8 | 8 | 8 | 11 | 13 | 14 | 13 | 11 | 10 | 10 | 10 | 11 | 12 | |
Swell 1 Height (m) Direction Period (s) | WSW 10 | SW 10 | SW 10 | SW 10 | SW 10 | WSW 11 | SW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | WSW 11 | WSW 10 | WSW 10 | WSW 10 | SW 10 | SW 9 | SW 9 | SW 9 | SW 9 |
 kJ | 11 | 25 | 24 | 24 | 24 | 45 | 66 | 59 | 58 | 57 | 57 | 57 | 55 | 55 | 56 | 44 | 42 | 39 | 38 | 24 | 22 | 21 | 20 | 20 |
Swell 2 Height (m) Direction Period (s) | — | W 14 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | — | — | — | ESE 2 | — | — | E 2 | — | ESE 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 1 | — | — | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 30 | 30 | 50 | 50 | 50 | 30 | 25 | 25 | 25 | 25 | 30 | 30 | 30 | 30 | 25 | 25 | 25 | 25 | 26 | 25 | 30 | 124 | 124 | 124 |
Best forecast wave conditions in Mid Wales | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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