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Surf Forecasts:
Llandanwg surfForecast / Wales – Mid / UK
48hr Weather and Surf, issued 11 pm Sunday 07 Dec 2025 GMTForecast 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
9.0° C
(Which is 1.7°C colder than average for this time of year)How big are the waves at Llandanwg today?
The current surf forecast for Llandanwg at 3AM is: 1.6m 11s primary swell from a Southwest direction and 0.7m 11s secondary swell from a West-southwest direction (forecast issued at 11:00pm December 07). The wind direction is predicted to be cross-onshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (08 Dec) | 5ft (1.5m) | 11s |
| Afternoon (08 Dec) | 5ft (1.6m) | 11s |
| Evening (08 Dec) | 4.5ft (1.3m) | 11s |
Table - waves today at Llandanwg. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 08 | Tuesday 09 | Wednesday 10 | ||||||||||||||||||||||
| 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | 9 PM | 0 AM | 3 AM | 6 AM | 9 AM | 12 PM | 3 PM | 6 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |  |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 11 | 11 | 8 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 11 | 12 | 12 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 410 | 496 | 606 | 438 | 523 | 515 | 568 | 604 | 389 | 248 | 189 | 612 | 1322 | 1977 | 1739 | 1775 | 1309 | 1180 | 966 | 940 | 830 | 722 | 748 | 222 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross- on | cross- on | on | on | cross- on | on | on | cross | cross- off | cross- on | cross- on | cross- on | cross- on | on | on | on | on | on | on | on | on | on | on |
High Tide / height (m) | 9:39PM 4.29 | 9:59AM 4.56 | 10:27PM 3.98 | 10:48AM 4.32 | 11:17PM 3.64 | 11:39AM 4.01 | ||||||||||||||||||
Low Tide / height (m) | 4:50AM 0.56 | 5:27PM 0.32 | 5:38AM 0.74 | 6:20PM 0.52 | 6:28AM 0.94 | |||||||||||||||||||
Monday 08 | Tuesday 09 | Wednesday 10 | ||||||||||||||||||||||
| Sunrise | - | - | - | - | 8:14 | - | - | - | - | - | - | - | 8:15 | - | - | - | - | - | - | - | 8:17 | - | - | - |
| Sunset | - | - | - | - | - | - | 4:00 | - | - | - | - | - | - | - | 4:00 | - | - | - | - | - | - | - | 4:00 | - |
 |  | | |  |  | |  | | | |  | | | | | |  | | | | |  | | |
Rain (mm) | - | 1 | 2 | 2 | 1 | 1 | 2 | 6 | 2 | 1 | 8 | 11 | 4 | 4 | 2 | - | - | 1 | 1 | 2 | 1 | 1 | - | - |
| Temp. °C | 10 | 11 | 11 | 11 | 11 | 11 | 12 | 11 | 10 | 11 | 12 | 13 | 14 | 13 | 12 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 9 | 10 |
| Feels °C (?) | 6 | 6 | 3 | 5 | 6 | 6 | 6 | 8 | 8 | 8 | 6 | 4 | 5 | 3 | 4 | 2 | 4 | 4 | 4 | 5 | 3 | 3 | 3 | 4 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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