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Surf Forecasts:
Piratininga surfForecast / Rio de Janeiro / Brazil
48hr Weather and Surf, issued 8 pm Tuesday 16 Dec 2025 -03Forecast update in hr min s Forecast update imminent
Piratininga surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Piratininga sea temperature is
26.2° C
(Which is 1.6°C warmer than normal for this time of year)How big are the waves at Piratininga today?
The current surf forecast for Piratininga at 4AM is: 0.4m 10s primary swell from a South-southeast direction and 0.3m 3s secondary swell from a Southwest direction (forecast issued at 08:00pm December 16). An open ocean swell of 0.5m 7s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Dec) | 4.5ft (1.4m) | 6s |
| Afternoon (17 Dec) | 7.5ft (2.3m) | 8s |
| Evening (17 Dec) | 5ft (1.5m) | 8s |
Table - waves today at Piratininga. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tue 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| 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) (?) | 10 | 10 | 10 | 10 | 10 | 6 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 52 | 52 | 37 | 38 | 38 | 127 | 592 | 639 | 470 | 306 | 392 | 421 | 281 | 232 | 232 | 172 | 324 | 306 | 250 | 245 | 197 | 189 | 141 | 138 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | cross- on | cross- on | cross- on | cross- on | on | on | on | cross- on | cross- on | cross- on | cross | cross- off | glass | glass | cross- off | cross- off | off | off | off | glass | cross- off | cross- off |
High Tide / height (m) | 12:47AM 1.01 | 11:37AM 0.95 | 1:21AM 1.01 | 11:57AM 0.96 | 1:44AM 0.99 | 12:28PM 0.98 | ||||||||||||||||||
Low Tide / height (m) | 5:46PM -0.09 | 6:10AM 0.08 | 6:28PM -0.14 | 6:53AM 0.10 | 7:10PM -0.16 | 7:35AM 0.12 | ||||||||||||||||||
Tue 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| Sunrise | - | - | - | - | 5:01 | - | - | - | - | - | - | - | 5:01 | - | - | - | - | - | - | - | 5:01 | - | - | - |
| Sunset | 6:32 | - | - | - | - | - | - | - | 6:34 | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - | - |
 |  |  | |  | | | | |  | | |  | | | | | |  |  |  | | | | |
Rain (mm) | - | 1 | - | - | 3 | 4 | 3 | 2 | 2 | 1 | 1 | 1 | - | - | - | 1 | 2 | 2 | - | - | - | - | - | - |
| Temp. °C | 27 | 26 | 25 | 24 | 25 | 23 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 20 | 20 | 20 | 20 | 20 | 22 | 23 | 23 |
| Feels °C (?) | 32 | 30 | 27 | 25 | 24 | 22 | 21 | 21 | 22 | 22 | 23 | 23 | 23 | 23 | 24 | 23 | 21 | 21 | 21 | 21 | 21 | 24 | 23 | 22 |
- Map Icons:
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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