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:
Mirante da Sirena surfForecast / Alagoas / Brazil
48hr Weather and Surf, issued 8 pm Friday 19 Dec 2025 -03Forecast update in hr min s Forecast update imminent
Mirante da Sirena surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Mirante da Sirena sea temperature is
27.4° C
(Which is normal for this time of year)How big are the waves at Mirante da Sirena today?
The current surf forecast for Mirante da Sirena at 3AM is: 0.9m 7s primary swell from a East-southeast direction and 0.4m 10s secondary swell from a Southeast direction (forecast issued at 08:00pm December 19). An open ocean swell of 0.2m 9s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Dec) | 3ft (0.9m) | 7s |
| Afternoon (20 Dec) | 3ft (0.9m) | 7s |
| Evening (20 Dec) | 3ft (0.9m) | 7s |
Table - waves today at Mirante da Sirena. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Fri 19 | Saturday 20 | Sunday 21 | Monday 22 | |||||||||||||||||||||
| 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 | 9 AM | 12 PM | 3 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |   |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 67 | 65 | 82 | 79 | 82 | 82 | 82 | 82 | 82 | 82 | 66 | 66 | 66 | 68 | 66 | 68 | 68 | 93 | 93 | 93 | 91 | 88 | 96 | 78 |
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 | cross- on | cross- on | on | cross- on | on | on | on | on | on | on | on | on | on | cross- on | on | on | on |
High Tide / height (m) | 3:23PM 1.89 | 3:50AM 1.85 | 3:59PM 1.93 | 4:26AM 1.86 | 4:35PM 1.95 | 5:02AM 1.85 | ||||||||||||||||||
Low Tide / height (m) | 9:39PM 0.23 | 9:52AM 0.35 | 10:15PM 0.22 | 10:27AM 0.36 | 10:51PM 0.23 | 11:01AM 0.38 | ||||||||||||||||||
Fri 19 | Saturday 20 | Sunday 21 | Monday 22 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 4:58 | - | - | - | - | - | - | - | 4:58 | - | - | - | - | - | - | - | 5:00 | - | - | - |
| Sunset | - | - | - | - | - | - | - | 5:38 | - | - | - | - | - | - | - | 5:39 | - | - | - | - | - | - | - | 5:39 |
 | | | |  | | | | |  | | | |  | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 26 | 26 | 25 | 25 | 25 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 26 | 25 | 25 | 25 | 26 | 26 | 26 |
| Feels °C (?) | 27 | 27 | 26 | 26 | 26 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 27 | 27 | 27 | 26 | 26 | 25 | 26 | 26 | 26 | 26 | 26 |
- 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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