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Cabo de Sines surfForecast / Alentejo / Portugal
48hr Weather and Surf, issued 12 pm Sunday 17 Aug 2025 WEST
How big are the waves at Cabo de Sines today?
The current surf forecast for Cabo de Sines at 5PM is: 1.4m 5s primary swell from a Northwest direction and 0.1m 16s secondary swell from a South direction, 0.1m 12s secondary swell from a South direction (forecast issued at 12:00pm August 17). The wind direction is predicted to be cross-shore.
| Time (WEST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Aug) | 3.5ft (1.0m) | 6s |
| Afternoon (17 Aug) | 3.5ft (1.1m) | 5s |
| Evening (17 Aug) | 0.5ft (0.1m) | 15s |
Table - waves today at Cabo de Sines. (Swell directed towards the surf break)
Sunday 17 | Monday 18 | Tuesday 19 | Wednesday 20 | |||||||||||||||||||||
| 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 | 4 AM | 7 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 9 | 5 | 6 | 15 | 8 | 8 | 6 | 8 | 8 | 5 | 6 | 14 | 14 | 13 | 13 | 13 | 5 | 6 | 17 | 18 | 17 | 17 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
| Energy (?) | 103 | 110 | 91 | 164 | 10 | 25 | 25 | 87 | 25 | 102 | 97 | 171 | 8 | 4 | 4 | 4 | 3 | 78 | 156 | 13 | 13 | 9 | 9 | 10 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 9:37AM 2.76 | 10:22PM 2.63 | 11:04AM 2.77 | 11:54PM 2.64 | 12:25PM 2.90 | 1:08AM 2.77 | ||||||||||||||||||
Low Tide / height (m) | 4:00PM 1.30 | 4:36AM 1.35 | 5:37PM 1.25 | 6:02AM 1.30 | 6:54PM 1.09 | |||||||||||||||||||
Sunday 17 | Monday 18 | Tuesday 19 | Wednesday 20 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:52 | - | - | - | - | - | - | - | 6:54 |
| Sunset | - | - | - | 8:25 | - | - | - | - | - | - | - | 8:24 | - | - | - | - | - | - | - | 8:23 | - | - | - | - |
 |  |  | |  | | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 24 | 26 | 27 | 24 | 23 | 20 | 19 | 18 | 20 | 22 | 22 | 22 | 20 | 18 | 18 | 18 | 19 | 21 | 20 | 20 | 19 | 18 | 17 | 18 |
| Feels °C (?) | 21 | 22 | 22 | 19 | 19 | 17 | 17 | 17 | 18 | 20 | 18 | 17 | 16 | 16 | 16 | 16 | 16 | 17 | 15 | 15 | 16 | 16 | 15 | 16 |
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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 Alentejo
Cross-off wind 70 km from Cabo de Sines has become light (calm at Quinta Do Conde wx). Waves should be turning clean at Cabo de Sines. A 1.4m swell from the NW
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