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Sumpters Surf Forecast
/ Wales – Gower (29 surf breaks) /
Surf Forecasts:
Sumpters surfForecast / Wales – Gower / UK
48hr Weather and Surf, issued 6 pm Tuesday 16 Sep 2025 BST
How big are the waves at Sumpters today?
The current surf forecast for Sumpters at 12AM is: 0.7m 11s primary swell from a West-southwest direction and 1.3m 6s secondary swell from a Southwest direction (forecast issued at 06:00pm September 16). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | 10ft (3.0m) | 8s |
| Afternoon (17 Sep) | 10ft (3.0m) | 9s |
| Evening (17 Sep) | 7.5ft (2.3m) | 12s |
Table - waves today at Sumpters. (Swell directed towards the surf break)
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 11 | 11 | 6 | 6 | 8 | 8 | 9 | 10 | 10 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 10 | 10 | 9 | 10 | 10 | 10 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 800 | 582 | 525 | 117 | 266 | 951 | 1335 | 1564 | 1724 | 1557 | 1745 | 1680 | 1652 | 1580 | 1485 | 1400 | 1244 | 903 | 678 | 804 | 771 | 732 | 683 | 590 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | on | cross- on | cross- on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 2:15PM 6.05 | 3:10AM 5.93 | 3:50PM 6.27 | 4:32AM 6.33 | 4:58PM 6.82 | 5:27AM 6.88 | ||||||||||||||||||
Low Tide / height (m) | 8:55PM 2.60 | 9:38AM 2.63 | 10:25PM 2.25 | 10:52AM 2.16 | 11:24PM 1.71 | 11:42AM 1.61 | ||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:54 | - | - | - | - | - | - | - | 6:56 | - | - |
| Sunset | - | 7:30 | - | - | - | - | - | - | - | 7:28 | - | - | - | - | - | - | - | 7:24 | - | - | - | - | - | - |
 | |  |  |  |  | | | | | | | |  |  | | | |  |  | | | | | |
Rain (mm) | - | - | - | 2 | 8 | 2 | 1 | 1 | 1 | - | 1 | 2 | 1 | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 15 | 15 | 14 | 13 | 14 | 16 | 16 | 16 | 16 | 17 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 18 |
| Feels °C (?) | 10 | 10 | 9 | 7 | 7 | 8 | 10 | 10 | 11 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 13 | 13 | 14 | 14 | 13 | 14 | 14 | 17 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Wales - Gower
Continuing clean conditions at Sumpters (calm at Rhossili wx 6 km from Sumpters). 1.3m 11s groundswell from the WSW with a 0.8m 5s windswell from the W. 2 swells combining to make bigger set waves.
2 h 19 min ago
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