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Surf Forecasts:
Black Rock surfForecast / Wales – South East / UK
48hr Weather and Surf, issued 6 am Tuesday 26 Aug 2025 BST
How big are the waves at Black Rock today?
The current surf forecast for Black Rock at 9AM is: 2.1m 18s primary swell from a West-southwest direction (forecast issued at 06:00am August 26). The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Aug) | 7ft (2.1m) | 18s |
| Afternoon (26 Aug) | 7.5ft (2.3m) | 17s |
| Evening (26 Aug) | 6ft (1.9m) | 16s |
Table - waves today at Black Rock. (Swell directed towards the surf break)
Tuesday 26 | Wednesday 27 | Thursday 28 | Fri 29 | |||||||||||||||||||||
| 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 | 10 PM | 1 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 18 | 18 | 18 | 17 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 8 | 13 | 13 | 12 | 11 | 11 | 11 | 12 | 12 | 12 | 7 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
| Energy (?) | 1536 | 2821 | 5637 | 2918 | 4921 | 4344 | 1780 | 1551 | 1275 | 1047 | 636 | 973 | 876 | 1007 | 469 | 423 | 416 | 417 | 404 | 550 | 541 | 417 | 524 | 844 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | cross- on | on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross |
High Tide / height (m) | 9:00AM 8.62 | 9:16PM 8.77 | 9:32AM 8.40 | 9:48PM 8.42 | 10:03AM 8.05 | 10:19PM 7.95 | ||||||||||||||||||
Low Tide / height (m) | 2:50AM 0.48 | 3:01PM 0.58 | 3:20AM 0.67 | 3:31PM 0.81 | 3:49AM 1.00 | 4:02PM 1.18 | ||||||||||||||||||
Tuesday 26 | Wednesday 27 | Thursday 28 | Fri 29 | |||||||||||||||||||||
| Sunrise | - | 6:16 | - | - | - | - | - | - | - | 6:18 | - | - | - | - | - | - | - | 6:18 | - | - | - | - | - | - |
| Sunset | - | - | - | - | - | 8:15 | - | - | - | - | - | - | - | 8:13 | - | - | - | - | - | - | - | 8:10 | - | - |
 |  |  |  | | |  | |  |  |  | | | |  | | | |  | | | | | | |
Rain (mm) | 2 | 1 | - | - | - | - | - | 1 | 1 | - | 2 | 2 | - | - | - | 1 | 1 | 4 | 4 | 3 | 2 | 1 | 2 | 3 |
| Temp. °C | 17 | 17 | 18 | 18 | 18 | 17 | 16 | 15 | 15 | 16 | 16 | 17 | 18 | 17 | 16 | 15 | 15 | 15 | 16 | 16 | 17 | 16 | 16 | 16 |
| Feels °C (?) | 15 | 14 | 14 | 13 | 13 | 13 | 12 | 11 | 11 | 13 | 11 | 14 | 14 | 13 | 12 | 11 | 11 | 11 | 12 | 11 | 12 | 11 | 10 | 11 |
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Live Wave Height (m)
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Surf Rating (10 Max)
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Recent Eyeball Surf Reports for Wales - South East
Recent clean conditions at Rest Bay have likely become affected by the arrival of onshore winds (light winds from the SW at Llantrithyd Park 25 km from Rest Bay). 1.4m 17s long period groundswell from the W with a 0.7m 9s swell from the WSW. 2 swells combining so expect closeout sets.
21 km away, 51 min ago
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