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Surf Forecasts

Prainha surfForecast / Rio de Janeiro / Brazil

information circle12 Day Weather and Surf, issued 8 pm Friday 11 Apr 2025 -03
Forecast 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
26.1° C
 (Which is normal for this time of year)

Best Forecast Surf Conditions for Prainha this week:

The surf forecast for Prainha over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Apr 12) at 3AM. The primary swell is predicted to be 2.0m and 11s period with a secondary swell of 0.1m and 18s. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Prainha in the next 12 days are 2.0m 11s and forecast to arrive on Saturday (Apr 12) at 3AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 4s period and expected on Friday (Apr 18) at 9AM.

Wave TypeTime (-03) & Date Wave Height & Period
Next good surf (1 star+) 3AM (Sat 12th Apr)6.5ft (2.0m) 11s
Best Surf 3AM (Sat 12th Apr)6.5ft (2.0m) 11s
Most Powerful 3AM (Sat 12th Apr)6.5ft (2.0m) 11s

Table - best surf conditions forecast for Prainha over the next 12 days.

Hourly12 Days
Rio de Janeiro Surf
Print Surf Table
Updates in  hr  min  s Forecast update imminent 
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wed
23
NightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPM
Rating
(10 max)
3
3
0
2
1
0
2
1
0
1
1
0
2
2
2
2
2
1
2
2
0
2
2
0
2
2
0
2
2
0
2
2
0
1
2
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.9
SE
2
SE
1.8
SE
1.8
SE
1.6
SE
1.5
SE
1.7
ESE
1.2
SE
1.1
SE
1
SE
0.9
SE
1.1
SE
1.2
SE
1.2
SE
1.3
ESE
1.4
SSW
1.3
S
1.3
S
1.5
SSW
1.2
S
0.9
S
1.6
S
1.9
SSW
1.3
SSW
1.4
S
1.5
SSE
1.4
SSE
1.5
SSE
1.4
SE
1.4
SE
1.2
SE
1.1
SE
1.1
SE
1.2
SSE
1.6
SE
1.3
SSE
Period(s) (?)11101011101010999810101011121211111111898101111111111111011141314
Wave
Graph
(?)Metric surfscale
Energy (?)891788598698441415528221170155100261298316382569464441540357184292542232392496452480485493341270258530880702
Wind
(km/h)
5
NNE
5
NNE
15
ESE
10
ENE
10
NE
15
ESE
5
NW
10
W
20
SW
10
W
5
WNW
10
SSW
5
NNE
5
N
10
NNE
5
NNE
5
NW
15
SW
5
NW
5
W
10
SSW
5
W
5
WSW
15
SSW
5
N
5
WNW
10
S
5
E
5
SW
10
S
5
WNW
5
NNW
5
S
5
NE
5
NE
15
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassglassoncrosscrosscross-
on		glasscross-
off		crosscross-
off		cross-
off		crosscross-
off		glasscross-
off		cross-
off		offcrossglasscross-
off		cross-
on		glasscross-
off		crossglassglasscross-
on		glassglasscross-
on		offglasscross-
on		crosscrosscross-
on
High Tide
/ height (m)
2:15AM
0.97
2:18PM
1.06
2:31AM
0.96
2:44PM
1.06
2:47AM
0.95
3:11PM
1.05
3:03AM
0.93
3:38PM
1.01
3:24AM
0.90
4:08PM
0.96
3:49AM
0.87
4:44PM
0.90
4:21AM
0.82
5:30PM
0.82
5:01AM
0.75
6:42PM
0.75
5:56AM
0.68
10:55PM
0.79
7:44AM
0.64
11:48PM
0.89
11:13AM
0.72
12:28AM
0.97
11:57AM
0.84
Low Tide
/ height (m)
8:12AM
0.15
8:36PM
0.10
8:39AM
0.10
9:05PM
0.14
9:06AM
0.08
9:35PM
0.19
9:36AM
0.07
10:07PM
0.26
10:08AM
0.09
10:44PM
0.33
10:47AM
0.14
11:31PM
0.41
11:38AM
0.20
12:38AM
0.48
12:52PM
0.27
2:10AM
0.52
2:24PM
0.28
3:43AM
0.51
3:50PM
0.24
4:57AM
0.45
5:00PM
0.15
5:50AM
0.38
5:57PM
0.06
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wed
23
Sunrise-6:05--6:05--6:05--6:07--6:07--6:07--6:07--6:07--6:07--6:09--6:09--6:09-
Sunset--5:43--5:42--5:40--5:39--5:39--5:38--5:37--5:37--5:36--5:35--5:35--5:34
thunderstorm part cloudclearclearpart cloudpart cloudthunderstorm clearthunderstorm clearclearclearpart cloudlight rainrain showersclearclearpart cloudpart cloudpart cloudpart cloudpart cloudpart cloudthunderstorm rain showersrain showersrain showerslight rainrain showersrain showersrain showerspart cloudlight rainrain showerspart cloudpart cloud
Rain (mm)
2-----2-1----52--------11123132-21--
Temp. °C222525232627232524232525222222222625232525232424222323222323222322212424
Feels °C (?)252626252728252624252626252525252826272727262725252524242524232524232624

Short Range Forecast: Light rain (total 5mm), mostly falling on Sun night. Warm (max 27°C on Sun afternoon, min 21°C on Fri night). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 7mm), mostly falling on Wed morning. Warm (max 26°C on Thu morning, min 21°C on Wed night). Wind will be generally light.

Days 6-9 Weather Summary Light rain (total 5mm), mostly falling on Sat afternoon. Warm (max 25°C on Fri morning, min 21°C on Sat night). Wind will be generally light.

Long Range Forecast: Moderate rain (total 12mm), heaviest on Mon afternoon. Warm (max 24°C on Wed morning, min 20°C on Mon night). Wind will be generally light.

  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
<span class="translation_missing" title="translation missing: en.leaflet.map_placeholder_alt">Map Placeholder Alt</span>
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View detailed surf forecast for Prainha at:
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Information about the Prainha Surf forecast

The above surf forecast table for Prainha provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Prainha can be found by selecting the local surf guide option on the grey menu. Our Prainha surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Prainha) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Prainha may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Prainha is 26 km (16 miles) from the very large city of Nilopolis. If you plan a holiday in Rio de Janeiro, look for hotels and other accommodation in Nilopolis. Nilopolis has rooms for a wide range of budgets as well as cheap car hire and transport links.

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