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Surf Forecasts:
Llandanwg surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 12 am Friday 17 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
10.0° C
(Which is 1.3°C warmer than normal for this time of year)How big are the waves at Llandanwg today?
The current surf forecast for Llandanwg at 9AM is: 1.4m 8s primary swell from a Southwest direction and 0.9m 7s secondary swell from a Southwest direction, 0.2m 12s secondary swell from a West-southwest direction (forecast issued at 12:00am April 17). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Apr) | 4.5ft (1.4m) | 8s |
| Afternoon (17 Apr) | 4.5ft (1.3m) | 5s |
| Evening (17 Apr) | 4.5ft (1.3m) | 6s |
Table - waves today at Llandanwg. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 17 | Saturday 18 | Sunday 19 | ||||||||||||||||||||||
| 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 | 4 PM | 7 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 7 | 7 | 8 | 8 | 5 | 5 | 6 | 6 | 6 | 7 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 6 | 16 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 352 | 299 | 88 | 84 | 233 | 211 | 84 | 115 | 112 | 120 | 103 | 68 | 155 | 92 | 67 | 65 | 38 | 38 | 24 | 23 | 14 | 4 | 5 | 3 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | on | on | on | on | cross- on | cross- on | cross | cross | cross | cross | off | off | off | glass | cross | cross- off | cross- off |
High Tide / height (m) | 8:21PM 4.32 | 8:37AM 4.69 | 9:00PM 4.58 | 9:18AM 4.84 | 9:40PM 4.71 | 10:00AM 4.83 | ||||||||||||||||||
Low Tide / height (m) | 3:16AM 0.31 | 3:41PM 0.05 | 3:55AM 0.18 | 4:20PM 0.07 | 4:36AM 0.16 | 5:01PM 0.22 | ||||||||||||||||||
Friday 17 | Saturday 18 | Sunday 19 | ||||||||||||||||||||||
| Sunrise | - | - | - | 6:13 | - | - | - | - | - | - | - | 6:11 | - | - | - | - | - | - | - | 6:09 | - | - | - | - |
| Sunset | - | - | - | - | - | - | - | 8:17 | - | - | - | - | - | - | - | 8:20 | - | - | - | - | - | - | - | 8:22 |
 |  |  |  | |  |  | | |  | | |  | | | |  | | | | | | | | |
Rain (mm) | 1 | - | - | 1 | 2 | 1 | - | - | - | 1 | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 10 | 9 | 9 | 9 | 8 | 8 | 9 | 10 | 10 | 9 | 8 | 7 | 6 | 9 | 11 | 11 | 11 |
| Feels °C (?) | 6 | 5 | 4 | 4 | 6 | 5 | 5 | 4 | 3 | 3 | 5 | 5 | 4 | 4 | 5 | 7 | 7 | 5 | 4 | 3 | 7 | 7 | 6 | 6 |
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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
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