Using Surf-Forecast’s Historical Surf Data To Find The Most Consistent Waves On Earth
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:
Praia de Altura surfForecast / Algarve / Portugal
48hr Weather and Surf, issued 5 am Sunday 21 Dec 2025 WETForecast update in hr min s Forecast update imminent
Praia de Altura surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Praia de Altura sea temperature is
16.1° C
(Which is 1.1°C colder than average for this time of year)Updates in hr min s Forecast update imminent
Sunday 21 | Monday 22 | Tuesday 23 | Wed 24 | |||||||||||||||||||||
| 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 | 9 PM | 0 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 6 | 15 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 6 | 6 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | off | off | cross- off | off | cross- off | cross- off | cross- off | cross- off | off | off | off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross- on | cross- off | cross- off | cross- off | off |
High Tide / height (m) | 2:48AM 2.91 | 3:10PM 2.70 | 3:24AM 2.92 | 3:46PM 2.68 | 4:01AM 2.91 | 4:24PM 2.65 | ||||||||||||||||||
Low Tide / height (m) | 9:05AM 0.65 | 9:10PM 0.73 | 9:42AM 0.66 | 9:47PM 0.74 | 10:19AM 0.68 | 10:24PM 0.77 | ||||||||||||||||||
Sunday 21 | Monday 22 | Tuesday 23 | Wed 24 | |||||||||||||||||||||
| Sunrise | - | - | 7:39 | - | - | - | - | - | - | - | 7:39 | - | - | - | - | - | - | - | 7:39 | - | - | - | - | - |
| Sunset | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:15 | - | - | - | - | - | - | - | 5:15 | - | - | - |
 |  |  | |  |  | | | | | |  |  |  | | | | | | |  | | | | |
Rain (mm) | - | 1 | - | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | - | - |
| Temp. °C | 14 | 11 | 10 | 12 | 11 | 10 | 9 | 9 | 9 | 9 | 9 | 12 | 14 | 12 | 11 | 11 | 11 | 11 | 12 | 14 | 16 | 14 | 12 | 11 |
| Feels °C (?) | 9 | 5 | 7 | 8 | 4 | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 8 | 8 | 8 | 9 | 9 | 9 | 10 | 11 | 13 | 12 | 10 | 8 |
- 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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