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Using our statistical data for 7000 spots dating back to 2006, we can find those waves that break the most, with the best winds.
Surf Forecasts:
Swansea Bay Harbour Wall surfForecast / Wales – Gower / UK
48hr Weather and Surf, issued 11 am Sunday 21 Dec 2025 GMTForecast update in hr min s Forecast update imminent
Today's Swansea Bay Harbour Wall sea temperature is
9.7° C
(Which is 1.1°C colder than average for this time of year)How big are the waves at Swansea Bay Harbour Wall today?
The current surf forecast for Swansea Bay Harbour Wall at 7PM is: 0.3m 15s primary swell from a West-southwest direction (forecast issued at 11:00am December 21). The wind direction is predicted to be cross-offshore.
| Time (GMT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Dec) | 1.5ft (0.4m) | 15s |
| Afternoon (21 Dec) | 1.5ft (0.4m) | 15s |
| Evening (21 Dec) | 1ft (0.3m) | 15s |
Table - waves today at Swansea Bay Harbour Wall. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | |||||||||||||||||||||
| 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 | 9 PM | 0 AM | 3 AM | 6 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 14 | 13 | 13 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 93 | 88 | 56 | 42 | 42 | 20 | 19 | 18 | 17 | 16 | 14 | 6 | 6 | 5 | 5 | 2 | 2 | 2 | 2 | 2 | 2 | 4 | 4 | 3 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross | cross- off | cross- off | cross- off | cross | cross | cross- on | cross- on | cross | cross- off | cross- off | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 6:55AM 8.81 | 7:14PM 8.68 | 7:30AM 8.88 | 7:49PM 8.69 | 8:07AM 8.87 | 8:27PM 8.64 | ||||||||||||||||||
Low Tide / height (m) | 12:58PM 1.85 | 1:13AM 1.87 | 1:34PM 1.80 | 1:48AM 1.87 | 2:10PM 1.83 | 2:25AM 1.95 | ||||||||||||||||||
Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | |||||||||||||||||||||
| Sunrise | 8:18 | - | - | - | - | - | - | - | 8:18 | - | - | - | - | - | - | - | 8:19 | - | - | - | - | - | - | - |
| Sunset | - | - | 4:07 | - | - | - | - | - | - | - | 4:07 | - | - | - | - | - | - | - | 4:07 | - | - | - | - | - |
 |  | |  | | |  | | | | | |  | | | | | | | |  | | | | |
Rain (mm) | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 7 | 9 | 10 | 9 | 10 | 10 | 11 | 11 | 10 | 10 | 10 | 9 | 10 | 10 | 10 | 9 | 8 | 8 | 8 | 6 | 5 | 5 | 4 | 4 |
| Feels °C (?) | 3 | 5 | 5 | 3 | 5 | 4 | 6 | 6 | 5 | 6 | 7 | 6 | 7 | 6 | 6 | 5 | 5 | 6 | 5 | 3 | 1 | 1 | 0 | -1 |
- 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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