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Prainha Surf Forecast
/ Rio de Janeiro (47 surf breaks) /
Surf Forecasts:
Prainha surfForecast / Rio de Janeiro / Brazil
48hr Weather and Surf, issued 2 am Saturday 21 Mar 2026 -03Forecast update in hr min s Forecast update imminent
Prainha surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Prainha sea temperature is
26.8° C
(Which is slightly warmer than usual)How big are the waves at Prainha today?
The current surf forecast for Prainha at 8AM is: 0.8m 9s primary swell from a Southeast direction and 0.2m 12s secondary swell from a East-southeast direction (forecast issued at 02:00am March 21). The wind direction is predicted to be glassy.
| Time (-03) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Mar) | 2.5ft (0.8m) | 9s |
| Afternoon (21 Mar) | 2.5ft (0.8m) | 9s |
| Evening (21 Mar) | 2.5ft (0.8m) | 9s |
Table - waves today at Prainha. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Saturday 21 | Sunday 22 | Monday 23 | ||||||||||||||||||||||
| 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 | 6 PM | 9 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 9 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 132 | 154 | 74 | 112 | 112 | 107 | 104 | 104 | 88 | 115 | 113 | 113 | 115 | 115 | 113 | 106 | 103 | 88 | 86 | 83 | 81 | 79 | 49 | 48 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | glass | glass | glass | cross- on | on | on | cross | cross- off | glass | cross- off | glass | cross- on | on | on | cross- on | glass | glass | glass | glass | cross- on | on | cross- on | cross |
High Tide / height (m) | 3:40AM 0.95 | 3:55PM 1.10 | 3:59AM 0.89 | 4:32PM 1.02 | 4:20AM 0.83 | 5:14PM 0.90 | ||||||||||||||||||
Low Tide / height (m) | 10:10AM 0.12 | 10:48PM 0.18 | 10:44AM 0.14 | 11:30PM 0.32 | 11:22AM 0.17 | |||||||||||||||||||
Saturday 21 | Sunday 22 | Monday 23 | ||||||||||||||||||||||
| Sunrise | - | - | 5:56 | - | - | - | - | - | - | - | 5:58 | - | - | - | - | - | - | - | 5:58 | - | - | - | - | - |
| Sunset | - | - | - | - | - | - | 6:04 | - | - | - | - | - | - | - | 6:02 | - | - | - | - | - | - | - | 6:01 | - |
 | |  | |  | | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 23 | 22 | 22 | 24 | 27 | 26 | 25 | 24 | 23 | 22 | 22 | 25 | 27 | 26 | 24 | 24 | 23 | 22 | 21 | 24 | 26 | 26 | 24 | 23 |
| Feels °C (?) | 27 | 25 | 25 | 28 | 29 | 28 | 28 | 27 | 26 | 25 | 25 | 28 | 29 | 28 | 27 | 27 | 26 | 25 | 24 | 27 | 27 | 27 | 26 | 25 |
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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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